S5GC-13-F


5.1V 500mW Zener diode, ±5%, 15Ω impedance, SOD-123FL surface mount

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Descripción

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The S5GC-13-F is a 5.1V Zener diode from onsemi (formerly Diodes Inc) in a compact SOD-123FL surface-mount package. Part of the S-series general-purpose Zener diode family, it provides 500 mW power dissipation with ±5% tolerance, suitable for voltage regulation and protection in space-constrained designs.

Especificaciones

  • Zener Voltage: 5.1V nominal (4.85V ~ 5.35V at Izt)
  • Tolerance: ±5%
  • Power Dissipation: 500 mW
  • Zener Impedance (Zzt): 15 Ω at Izt = 5 mA
  • Reverse Leakage: 2 µA at VR = 2V
  • Operating Temperature: -65°C ~ +150°C
  • Package: SOD-123FL (2.85 x 1.7 mm)
  • Configuration: Single
  • Mounting: Surface Mount

Características

  • Compact SOD-123FL package for high-density boards
  • 500 mW power dissipation rating
  • ±5% Zener voltage tolerance
  • Low profile flat-leaded package
  • RoHS compliant and lead-free
  • Available in tape and reel packaging

Aplicaciones

  • Voltage regulation in portable electronics
  • Overvoltage protection for IC inputs
  • Reference voltage generation
  • Signal clamping circuits
  • ESD protection in low-voltage systems

The S5GC-13-F from onsemi is a 5.1V Zener diode in the compact SOD-123FL surface-mount package, designed for general-purpose voltage regulation and protection in space-constrained applications. The device provides 500 mW power dissipation with a ±5% tolerance on the Zener voltage, making it suitable for low-power voltage reference and clamping applications. The SOD-123FL package offers a significantly smaller footprint than traditional DO-214 packages, enabling higher component density on modern PCBs. The -13-F suffix indicates tape and reel packaging with 3000 units per reel.

The S5GC-13-F operates as a Zener diode in the reverse breakdown region. When the reverse voltage exceeds the Zener breakdown voltage (5.1V nominal), the diode conducts and maintains a nearly constant voltage across its terminals. The low dynamic impedance (15Ω at 5 mA) ensures reasonable voltage regulation under varying load conditions. In forward bias, the device behaves as a standard silicon diode with approximately 0.7V forward drop. The Zener breakdown mechanism combines both the Zener effect (quantum tunneling at lower voltages) and avalanche multiplication, providing stable breakdown characteristics over the operating temperature range.

Pin Nombre Función
1 Cátodo Negative terminal (marked with band on package)
2 Ánodo Positive terminal

The S5GC-13-F is commonly used as a voltage reference in low-power circuits where its compact SOD-123FL package saves board space compared to through-hole alternatives. It provides overvoltage protection for microcontroller I/O pins by clamping voltage to 5.1V, preventing damage from electrostatic discharge or signal overshoot. In battery-powered devices, it serves as a simple shunt regulator for bias circuits. The 500 mW rating is sufficient for most low-current reference and protection applications in portable electronics.

Modelo Fabricante Diferencia clave
MMSZ5231B-7-F onsemi 5.1V, SOD-123, ±2% tolerance
BZX84C5V1-7-F onsemi 5.1V, SOT-23, 250mW
1N4733ATR onsemi 5.1V, 1W, DO-41 through-hole
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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