{"id":1572,"date":"2026-04-30T05:26:12","date_gmt":"2026-04-30T05:26:12","guid":{"rendered":"https:\/\/materialparts.com\/kdzvtr5-1b\/"},"modified":"2026-05-12T03:02:21","modified_gmt":"2026-05-12T03:02:21","slug":"kdzvtr5-1b","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/kdzvtr5-1b\/","title":{"rendered":"KDZVVTR5.1B"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>\u0631\u0642\u0645 \u0627\u0644\u0642\u0637\u0639\u0629:<\/strong> KDZVVTR5.1B<br>\n<strong>\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629:<\/strong> ROHM Semiconductor<br>\n<strong>\u0646\u0648\u0639 \u0627\u0644\u062c\u0647\u0627\u0632:<\/strong> 5.1V Single Zener Diode (Voltage Regulator Diode)<br>\n<strong>\u0627\u0644\u062d\u0632\u0645\u0629:<\/strong> SOD-123FL (PMDU, 2-pin surface mount)<br>\n<strong>Marking Code:<\/strong> LB<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Part Number Decoding<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>KDZ:<\/strong> ROHM standard Zener diode series<\/li>\n\n\n\n<li><strong>V:<\/strong> SOD-123FL package<\/li>\n\n\n\n<li><strong>TR:<\/strong> Tape &amp; Reel packaging<\/li>\n\n\n\n<li><strong>5.1:<\/strong> Nominal Zener voltage 5.1V<\/li>\n\n\n\n<li><strong>B:<\/strong> Voltage tolerance grade (\u00b12%)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Electrical Specifications (Ta=25\u00b0C)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nominal Zener Voltage (Vz):<\/strong> 5.1V (typ); 4.98V~5.2V (min\/max) @ Iz=5mA<\/li>\n\n\n\n<li><strong>Reverse Standoff Voltage (Vr):<\/strong> 3.8V<\/li>\n\n\n\n<li><strong>Zener Current (Iz):<\/strong> 5mA (test); 20mA (max)<\/li>\n\n\n\n<li><strong>Power Dissipation (Pd):<\/strong> 1000mW (1W)<\/li>\n\n\n\n<li><strong>Operating Temperature:<\/strong> -55\u00b0C ~ +150\u00b0C (Tj)<\/li>\n\n\n\n<li><strong>Tolerance:<\/strong> \u00b12% (Grade B)<\/li>\n\n\n\n<li><strong>Configuration:<\/strong> Single Zener, unidirectional<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Main Features<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High reliability:<\/strong> Silicon epitaxial planar structure<\/li>\n\n\n\n<li><strong>Compact SOD-123FL package:<\/strong> Small footprint for dense PCB layout<\/li>\n\n\n\n<li><strong>High ESD tolerance:<\/strong> Withstands surge voltages<\/li>\n\n\n\n<li><strong>Low leakage current:<\/strong> Minimizes power loss in standby<\/li>\n\n\n\n<li><strong>RoHS compliant:<\/strong> Lead-free, halogen-free<\/li>\n\n\n\n<li><strong>Tape &amp; Reel (3,000 pcs\/reel):<\/strong> Ideal for SMT mass production<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Voltage regulation &amp; reference:<\/strong> 5.1V rail stabilization<\/li>\n\n\n\n<li><strong>Overvoltage protection:<\/strong> For I\/O ports, sensors, and small ICs<\/li>\n\n\n\n<li><strong>Signal clamping:<\/strong> Limiting voltage spikes in analog circuits<\/li>\n\n\n\n<li><strong>Bias circuits:<\/strong> Providing stable voltage bias for amplifiers<\/li>\n\n\n\n<li><strong>Consumer electronics:<\/strong> Power supplies, adapters, battery chargers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Part Number: KDZVTR5.1B Manufacturer: ROHM Semiconductor Device Type: 5.1V Single Zener Diode (Voltage Regulator Diode) Package: SOD-123FL (PMDU, 2-pin surface mount) Marking Code: LB Part Number Decoding Key Electrical Specifications (Ta=25\u00b0C) Main Features Typical Applications<\/p>","protected":false},"author":1,"featured_media":1647,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[54],"tags":[126],"chip_brand":[145],"class_list":["post-1572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diodes","tag-kdzvtr5-1b","chip_brand-rohm"],"acf":{"brief_explanation":"5.1V 1W Zener voltage regulator diode in SOD-123FL package, designed for constant voltage control with high ESD tolerance.","date_code":"","package_case":"PMDU","in_stock":6329,"datasheet":"https:\/\/fscdn.rohm.com\/en\/products\/databook\/datasheet\/discrete\/diode\/zener\/kdzv5.1b-e.pdf","price":"$0.10 (3000+ pcs)","product_introduction":"The KDZVTR5.1B is a 5.1V Zener voltage regulator diode from ROHM in SOD-123FL (PMDU) surface-mount package, featuring 5.368V typical Zener voltage (5.1V min, 5.7V max), 1W power dissipation, 40mA test current, 20\u00b5A max reverse leakage current, and 150\u00b0C max junction temperature. Small power mold type with high ESD tolerance. Supplied on 3,000-piece tape and reel.","working_principle":"The KDZVTR5.1B operates based on the Zener breakdown effect in a silicon epitaxial planar junction. When reverse-biased beyond the Zener voltage (VZ \u2248 5.1V), the diode enters breakdown region where current increases rapidly while voltage remains nearly constant. This voltage regulation property makes it suitable for reference voltage and overvoltage protection. The device is manufactured using a small power mold (PMDU) construction, which provides high ESD tolerance. At the nominal test current of 40mA, the Zener voltage is specified between 5.1V and 5.7V with a typical value of 5.368V. The 1W power dissipation rating allows continuous operation in regulator and clamp circuits. The low reverse leakage current (<20\u00b5A below VZ) ensures minimal power waste during normal operation.","pin_description":"<p data-imt-p=\"1\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"zh-CN\" style=\"display: none;\" data-imt-deferred-display=\"\"><br hidden=\"\" \/><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-block-wrapper-theme-none immersive-translate-target-translation-block-wrapper\" style=\"\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" style=\"\" data-immersive-translate-translation-element-mark=\"1\">\u4ee5\u4e0b\u662f KDZVTR5.1B \u5f15\u811a\u63cf\u8ff0\u7684\u8be6\u7ec6\u8bf4\u660e\uff0c\u8fd9\u662f\u4e00\u79cd\u9f50\u7eb3\u4e8c\u6781\u7ba1 \uff08\u5177\u4f53\u6765\u8bf4\u662f SOD-123F \u6216\u7c7b\u4f3c\u8868\u9762\u8d34\u88c5\u5c01\u88c5\u4e2d\u7684 5.1V \u9f50\u7eb3\u4e8c\u6781\u7ba1\uff09\u3002<\/span><\/span><\/span><\/p>\r\n<p data-imt-p=\"1\">Given that the \u201cKDZVTR5.1B\u201d is a standard two-terminal semiconductor device (a Zener diode), its pin description is very simple, but crucial for correct circuit operation.<\/p>\r\n\r\n<h3 data-imt-p=\"1\">KDZVTR5.1B Pin Description (Expanded)<\/h3>\r\n<p data-imt-p=\"1\">The device has only two pins (terminals), but they are <strong>not interchangeable<\/strong> in a standard circuit. Here is the detailed breakdown:<\/p>\r\n<p data-imt-p=\"1\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"zh-CN\" style=\"\"><br hidden=\"\" \/><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-block-wrapper-theme-none immersive-translate-target-translation-block-wrapper\" style=\"\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" style=\"\" data-immersive-translate-translation-element-mark=\"1\">\u5f15\u811a\u7f16\u53f7 \u5f15\u811a\u540d\u79f0 \u7c7b\u578b \u63cf\u8ff0 1 \u9634\u6781\uff08K\uff09 \u529f\u7387\/\u53c2\u8003 \u6807\u8bb0\u7aef\uff08\u901a\u5e38\u662f\u5c01\u88c5\u4e0a\u7684\u5e26\u72b6\u6216\u7ebf\uff09\u3002 \u8fd9\u662f\u6b63\u5e38\u9f50\u7eb3\u5de5\u4f5c\u65f6\u7684\u8d1f\u6781\u3002\u5b83\u5fc5\u987b\u8fde\u63a5\u5230\u7535\u6e90\u7684\u6b63\u6781\u6216\u9700\u8981\u8c03\u8282\u7684\u7535\u8def\u8282\u70b9\u3002\u7535\u538b\u53c2\u8003\u4e8e\u8be5\u5f15\u811a\u5230\u9633\u6781\u30022 \u9633\u6781\uff08A\uff09 \u63a5\u5730\/\u56de\u6d41 \u65e0\u6807\u8bb0\u7aef\u3002 \u8fd9\u662f\u6b63\u5e38\u9f50\u7eb3\u5de5\u4f5c\u65f6\u7684\u6b63\u6781\u3002\u5b83\u901a\u5e38\u8fde\u63a5\u5230\u5730\uff080V\uff09\uff0c \u6216\u8005\u5f53\u9f50\u7eb3\u51fb\u7a7f\u65f6\uff0c\u7535\u8def\u7684\u8d1f\u6781\u7535\u6d41\u4ece\u9634\u6781\u6d41\u5411\u9633\u6781\u3002<\/span><\/span><\/span><\/p>\r\n\r\n<h3 data-imt-p=\"1\">Functional Behavior (How to use it)<\/h3>\r\n<p data-imt-p=\"1\">To understand the pins, you must understand the two operating modes of a Zener diode:<\/p>\r\n\r\n<ol>\r\n \t<li><strong data-imt-p=\"1\">Normal Operation (Reverse Bias \/ Breakdown Mode):<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\">The <strong>Cathode<\/strong> is connected to the <strong>positive<\/strong> voltage (e.g., +5.1V rail).<\/li>\r\n \t<li data-imt-p=\"1\">The <strong>Anode<\/strong> is connected to <strong>ground<\/strong> (0V).<\/li>\r\n \t<li data-imt-p=\"1\">When the voltage across the device (Cathode to Anode) exceeds 5.1V, the diode \u201cbreaks down\u201d and <strong>conducts current<\/strong> to maintain a constant 5.1V drop. <strong>This is the intended use.<\/strong><\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong data-imt-p=\"1\">Forward Bias (Not normally used):<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\">If the <strong>Anode<\/strong> is at a higher voltage than the <strong>Cathode<\/strong> (e.g., Cathode = 0V, Anode = +2V), the device acts like a standard silicon diode (forward voltage drop ~0.7V). It will conduct heavily, damaging the circuit or the diode itself if current is not limited.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<h3 data-imt-p=\"1\">Critical Design Considerations for these Pins<\/h3>\r\n<p data-imt-p=\"1\">Because this is a surface-mount Zener diode, the physical pin layout and thermal behavior are important:<\/p>\r\n<strong data-imt-p=\"1\">1. Polarity is Critical (Easy to Get Wrong)<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\">The <strong>Cathode<\/strong> is almost always marked with a <strong>black band, line, or dot<\/strong> on the top of the SOD-123F package. The <strong>Anode<\/strong> is the unmarked end.<\/li>\r\n \t<li data-imt-p=\"1\"><strong>Wrong polarity:<\/strong> If you reverse the pins in a voltage regulation circuit, you will essentially place a 0.7V forward-biased diode across your power rail, which will cause a short circuit and potentially destroy the diode and the power supply.<\/li>\r\n<\/ul>\r\n<strong data-imt-p=\"1\">2. Thermal Path (SOD-123F Package)<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\">The <strong>Anode<\/strong> pad is typically connected to the larger portion of the internal die. In some PCB layouts, the <strong>Anode<\/strong> pad may have a larger copper pour or thermal via to help dissipate heat generated during Zener operation.<\/li>\r\n \t<li data-imt-p=\"1\">The <strong>Cathode<\/strong> pad is often smaller.<\/li>\r\n<\/ul>\r\n<strong data-imt-p=\"1\">3. Power Dissipation<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\">The KDZVTR5.1B is a Zener diode, so it dissipates power.<\/li>\r\n \t<li data-imt-p=\"1\"><strong>Current flows from Cathode to Anode<\/strong> during regulation. The power dissipated (P = Vz * Iz) generates heat, which must be conducted away through the solder joints on both pins.<\/li>\r\n \t<li data-imt-p=\"1\"><strong>Do not exceed the rated current.<\/strong> The \u201cB\u201d suffix may indicate a specific current rating or tolerance (e.g., 5.1V \u00b15%). Check the datasheet for the maximum continuous current (Izt or Izm).<\/li>\r\n<\/ul>\r\n<strong data-imt-p=\"1\">4. Circuit Connection Example (Simple 5V Regulator)<\/strong>\r\n<ul>\r\n \t<li data-imt-p=\"1\"><strong>Pin 1 (Cathode):<\/strong> Connect to the <strong>output<\/strong> of a resistor or current source (which is connected to a higher voltage, e.g., 9V).<\/li>\r\n \t<li data-imt-p=\"1\"><strong>Pin 2 (Anode):<\/strong> Connect to <strong>Ground (0V)<\/strong> .<\/li>\r\n \t<li data-imt-p=\"1\"><strong>Voltage at Cathode:<\/strong> ~5.1V relative to ground.<\/li>\r\n<\/ul>\r\n<h3 data-imt-p=\"1\" data-imt-translation-only=\"1\">\u6458\u8981\u8868\uff08\u5feb\u901f\u53c2\u8003\uff09<\/h3>\r\n<p data-imt-p=\"1\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"zh-CN\" style=\"\"><br hidden=\"\" \/><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-block-wrapper-theme-none immersive-translate-target-translation-block-wrapper\" style=\"\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" style=\"\" data-immersive-translate-translation-element-mark=\"1\">\u5f15\u811a\u540d\u79f0\u8868\u793a\u7535\u538b\uff08\u8c03\u8282\uff09 \u7535\u6d41\u6d41 1 \u9634\u6781\uff08K\uff09\u80fd\u5e26\/\u7ebf\u8def\uff0c \u8fdb\u5165\u4e8c\u6781\u7ba1 2 \u9633\u6781\uff08A\uff09\uff0c\u65e0\u66f4\u591a\u8d1f\u6781\uff08GND\uff09 \u4ece\u4e8c\u6781\u7ba1\u8f93\u51fa \u3002<\/span><\/span><\/span><\/p>\r\n<p data-imt-p=\"1\"><strong>Key Takeaway:<\/strong> The KDZVTR5.1B is a simple but polarity-sensitive device. The <strong>Cathode<\/strong> is the marked, positive reference pin (for regulation), and the <strong>Anode<\/strong> is the unmarked, ground return pin. Never reverse them in a circuit expecting regulation.<\/p>","application_scenarios":"The KDZVTR5.1B is a Zener diode designed for voltage regulation applications, specifically providing a stable 5.1V output. It is commonly used in power supply circuits to protect sensitive components from voltage spikes and to maintain a constant reference voltage. Typical applications include consumer electronics, industrial control systems, and automotive modules where precise voltage clamping is required. Its compact surface-mount package makes it suitable for high-density circuit board designs.","alternative_models":"Here is an expanded response to the point: <strong>\u201cWhat chips are recommended as replacements for the KDZVTR5.1B\u201d<\/strong>\r\n\r\nThe <strong>KDZVTR5.1B<\/strong> is a specific Zener diode (not a complex logic or power management IC) manufactured by Rohm Semiconductor. It is a 5.1V Zener diode with a power rating of 1W, housed in a surface-mount SOD-123FL package.\r\n\r\nWhen looking for replacements, you are looking for <strong>functional equivalents<\/strong> that share the same key electrical and physical characteristics. Here is a breakdown of recommended replacements, categorized by how closely they match.\r\n<h3>1. Exact or Near-Exact Matches (Best for \"Drop-in\" Replacement)<\/h3>\r\nThese diodes have the same <strong>voltage (5.1V), power (1W), and package (SOD-123FL)<\/strong>. They are the safest choice.\r\n<ul>\r\n \t<li><strong>Rohm KDZVTR5.1B<\/strong> (Original) \u2013 If available, this is the ideal choice.<\/li>\r\n \t<li><strong>Rohm UDZV5.1B<\/strong> \u2013 While typically a 200mW diode, Rohm also produces variants in the UDZV series. <strong>Check the datasheet carefully<\/strong>. The UDZ series is often for smaller signal applications (200mW), not 1W. <strong>Do not use a lower power rated UDZ as a substitute.<\/strong><\/li>\r\n \t<li><strong>Diodes Incorporated DZ23C5V1<\/strong> \u2013 <strong>Package Mismatch:<\/strong> This is typically a SOT-23 package (3-pin, dual diode). Not a direct match.<\/li>\r\n \t<li><strong>Good-Ark (Taiwan) SK5V1B<\/strong> \u2013 This is a 1W, SOD-123FL package, 5.1V Zener. An excellent direct replacement.<\/li>\r\n \t<li><strong>Micro Commercial Components (MCC) 1SMA5918BT3G<\/strong> \u2013 This is a 1.5W, SMA package. Electrically fine (slightly higher power rating), but <strong>physically larger<\/strong>. Will require checking for board space.<\/li>\r\n \t<li><strong>Vishay BZX84C5V1<\/strong> \u2013 <strong>Package Mismatch:<\/strong> This is a 350mW, SOT-23 package. Not suitable for a 1W application.<\/li>\r\n<\/ul>\r\n<strong>The most direct and safe replacement is another 5.1V, 1W Zener diode in a <\/strong>SOD-123FL<strong> package.<\/strong>\r\n<em>Example Part Number: Good-Ark SK5V1B<\/em>\r\n<h3>2. Acceptable Functional Replacements (Requires Physical or Power Check)<\/h3>\r\nThese have the <strong>same electrical spec (5.1V)<\/strong> but differ in <strong>power rating<\/strong> or <strong>package size<\/strong>. They will work electrically but may not fit the PCB footprint.\r\n<ul>\r\n \t<li><strong>Higher Power (Safe but may be physically larger):<\/strong>\r\n<ul>\r\n \t<li><strong>1SMA5918BT3G (ON Semiconductor):<\/strong> 1.5W, SMA (DO-214AC) package.<\/li>\r\n \t<li><strong>BZD27C5V1 (Vishay):<\/strong> 800mW, SOD-123 package. Slightly lower power margin (800mW vs 1W) \u2013 use only if the circuit\u2019s maximum current is well below 150mA.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Lower Power (Only for low-current applications):<\/strong>\r\n<ul>\r\n \t<li><strong>DDZ5V1B (Diodes Inc):<\/strong> 500mW, SOD-123.<\/li>\r\n \t<li><strong>MMSZ5V1B (ON Semi):<\/strong> 500mW, SOD-123.<\/li>\r\n \t<li><strong>BZX84C5V1 (Many brands):<\/strong> 350-400mW, SOT-23.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h3>3. Important Selection Criteria (When Choosing a Replacement)<\/h3>\r\nTo ensure a safe and reliable replacement, you must verify these three parameters against your circuit\u2019s requirements:\r\n<ol>\r\n \t<li><strong>Zener Voltage (Vz):<\/strong> Must be <strong>5.1V<\/strong> (at the specified test current, typically 5mA or 10mA). A 5.0V or 5.2V may work, but the circuit\u2019s regulation will shift.<\/li>\r\n \t<li><strong>Power Dissipation (Pd):<\/strong> The KDZVTR5.1B is rated for <strong>1W<\/strong>. Your replacement must be <strong>at least 1W<\/strong> (or have a sufficient margin for the actual current). Using a lower power diode (e.g., 500mW) will cause it to overheat and fail if the circuit draws more than ~100mA.<\/li>\r\n \t<li><strong>Package \/ Footprint:<\/strong> The original is <strong>SOD-123FL<\/strong> (a flat-lead, low-profile package). Common replacements include SOD-123 (slightly larger), SMA (larger), or SOT-23 (smaller, but different pinout). A SOD-123 or SMA part can often be hand-soldered with careful alignment.<\/li>\r\n<\/ol>\r\n<h3>Summary Table of Recommended Replacements<\/h3>\r\n<a class=\"elementor-toggle-title\" tabindex=\"0\" data-imt-p=\"1\">Recommendation Level Part Number Brand Voltage Power Package Notes <strong>Best Direct Match<\/strong> <strong>KDZVTR5.1B<\/strong> <strong>Rohm<\/strong> <strong>5.1V<\/strong> <strong>1W<\/strong> <strong>SOD-123FL<\/strong> <strong>Original part.<\/strong> <strong>Excellent Match<\/strong> <strong>SK5V1B<\/strong> <strong>Good-Ark<\/strong> <strong>5.1V<\/strong> <strong>1W<\/strong> <strong>SOD-123FL<\/strong> <strong>Pin-for-pin, electrical &amp; physical match.<\/strong> <strong>Functional Equivalent<\/strong> <strong>1SMA5918BT3G<\/strong> <strong>ON Semi<\/strong> <strong>5.1V<\/strong> <strong>1.5W<\/strong> <strong>SMA<\/strong> Electrically better (higher power margin), physically larger. <strong>Emergency Replacement<\/strong> <strong>BZD27C5V1<\/strong> <strong>Vishay<\/strong> <strong>5.1V<\/strong> <strong>800mW<\/strong> <strong>SOD-123<\/strong> Slightly lower power. Use only if circuit current is &lt;150mA. <strong>Not Recommended<\/strong> <strong>BZX84C5V1<\/strong> Various 5.1V 350mW SOT-23 <strong>Power rating too low. Will likely fail.<\/strong><\/a>\r\n<h3>Final Recommendation<\/h3>\r\n<strong>First choice:<\/strong> Buy the original <strong>KDZVTR5.1B<\/strong> from a reputable distributor (DigiKey, Mouser, LCSC).\r\n\r\n<strong>Second choice:<\/strong> If the original is unavailable, use a <strong>1W, 5.1V Zener in SOD-123FL<\/strong> (e.g., Good-Ark SK5V1B).\r\n\r\n<strong>Third choice:<\/strong> If you must use a larger package, a <strong>1.5W SMA Zener<\/strong> (e.g., 1SMA5918BT3G) will work perfectly, but ensure you have enough physical space on the PCB."},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/1572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=1572"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/1572\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media\/1647"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=1572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=1572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=1572"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=1572"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}