Image for reference only
IRF7470TRPBF
SO-8 (5x6.2mm)
The IRF7470TRPBF from Infineon is a 30V 12A N-channel MOSFET with ultra-low 9mOhm RDS(on) in SO-8 for synchronous rectification and DC-DC conversion.
| الحزمة | SO-8 (5×6.2mm) |
The IRF7470TRPBF from Infineon is a 30V 12A N-channel MOSFET with ultra-low 9mOhm RDS(on) in SO-8 for synchronous rectification and DC-DC conversion.
The IRF7470TRPBF is an N-channel enhancement-mode MOSFET from Infineon (formerly International Rectifier) in SO-8, rated at 30V drain-source voltage and 12A drain current with 9mOhm RDS(on) at VGS=10V (13mOhm at VGS=4.5V). The SO-8 package dedicates pins 5-8 (drain) to the large copper tab, providing a thermal resistance of approximately 30C/W on a 1-square-inch copper pour, significantly better than SOT-23 (250C/W). The trench-gate technology creates vertical MOSFET channels that maximize channel width per unit area, achieving the low 9mOhm on-resistance. At 12A load current, conduction loss is I2R = 12^2 x 0.009 = 1.3W, which the SO-8 can handle with a modest heatsink (copper pour). The gate charge is 24nC at 4.5V, requiring a gate driver capable of sourcing/sinking 1A for 24ns switching times at 100kHz PWM. The device is optimized for synchronous rectification in DC-DC buck converters: the low RDS(on) minimizes conduction loss when replacing a Schottky diode as the low-side switch, improving efficiency by 3-5%. The 30V rating makes it suitable for 3.3V, 5V, and 12V power rails. The TRPBF suffix indicates tape-and-reel, lead-free packaging. The device is also used in motor drive half-bridges (two IRF7470 per phase), battery protection circuits, and hot-swap switches.
| دبوس | الاسم | النوع | الوظيفة |
|---|---|---|---|
| 1 | S | الطاقة | Source terminal (connects to tab on SO-8) |
| 2 | S | الطاقة | Source terminal (paralleled with pin 1) |
| 3 | S | الطاقة | Source terminal (paralleled with pin 1) |
| 4 | G | المدخلات | Gate terminal |
| 5-8 | D | الطاقة | Drain terminals (connected to heat-dissipating tab) |
| الشركة المصنعة | رقم الجزء | الحزمة | الملاحظات |
|---|---|---|---|
| إنفينيون | IRF7470TRPBF | SO-8 | Same device, Infineon label |
| فيشاي | Si7860DP-T1-E3 | PowerPAK SO-8 | 30V 16A, 5mOhm, same footprint |
| أونسمي | FDMS7672AS | Power56 | 30V 25A, 1.6mOhm, better thermal |
| إنفينيون | BSC032N03LS G | SuperSO-8 | 30V 16A, 3.2mOhm, higher spec |
| تكساس إنسترومنتس | CSD17312Q5 | SON-5×6 | 30V 14A, 3.7mOhm, modern NexFET |
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
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