Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | MMSZ52xxxT1G |
| ProductStatus | Active |
| Voltage-Zener(Nom)(Vz) | 18 V |
| Tolerance | ±5% |
| Power-Max | 500 mW |
| Impedance(Max)(Zzt) | 21 Ohms |
| Current-ReverseLeakage@Vr | 100 nA @ 14 V |
| Voltage-Forward(Vf)(Max)@If | 900 mV @ 10 mA |
| OperatingTemperature | -55°C ~ 150°C |
| MountingType | Surface Mount |
| Package/Case | SOD-123 |
Overview
Description
The MMSZ5248BT1G is a 5.1V Zener diode from ON Semiconductor, designed for voltage regulation and protection in low-power circuits. Key features:
- Voltage Range: 5.1V nominal Zener voltage (Vz).
- Power Dissipation: 500mW (typical).
- Package: SOD-123 (small surface-mount).
- Applications: Voltage clamping, surge protection, and stabilization in consumer electronics, automotive, and industrial systems.
It offers fast response to overvoltage conditions and is ideal for precision voltage reference or transient suppression. The compact size suits space-constrained designs.
For exact specs, refer to the datasheet.
- Voltage Range: 5.1V nominal Zener voltage (Vz).
- Power Dissipation: 500mW (typical).
- Package: SOD-123 (small surface-mount).
- Applications: Voltage clamping, surge protection, and stabilization in consumer electronics, automotive, and industrial systems.
It offers fast response to overvoltage conditions and is ideal for precision voltage reference or transient suppression. The compact size suits space-constrained designs.
For exact specs, refer to the datasheet.
Features
The MMSZ5248BT1G is a 5.1V Zener diode in a SOD-123 package, designed for voltage regulation and protection. Key features:
- Zener Voltage (Vz): 5.1V (nominal)
- Power Dissipation: 500mW
- Tolerance: ±5%
- Forward Voltage (Vf): 1.2V (max at 200mA)
- Operating Temperature: -65°C to +150°C
- Low Leakage Current: <0.1µA (at 1V below Vz)
- Small Form Factor: SOD-123 package
Ideal for voltage clamping, surge protection, and regulation in low-power circuits.
- Zener Voltage (Vz): 5.1V (nominal)
- Power Dissipation: 500mW
- Tolerance: ±5%
- Forward Voltage (Vf): 1.2V (max at 200mA)
- Operating Temperature: -65°C to +150°C
- Low Leakage Current: <0.1µA (at 1V below Vz)
- Small Form Factor: SOD-123 package
Ideal for voltage clamping, surge protection, and regulation in low-power circuits.
Pinout
The MMSZ5248BT1G is a Zener diode in a SOD-123 surface-mount package with 2 pins.
Functions:
- Voltage regulation: Maintains a stable reverse breakdown voltage (Vz) of 48V (±5%).
- Protection: Clamps voltage spikes to protect sensitive circuits.
- Power dissipation: Rated for 500mW.
Pinout (SOD-123):
1. Cathode (K) – Marked with a band.
2. Anode (A) – Unmarked terminal.
Used in voltage stabilization, surge suppression, and signal clamping applications.
Functions:
- Voltage regulation: Maintains a stable reverse breakdown voltage (Vz) of 48V (±5%).
- Protection: Clamps voltage spikes to protect sensitive circuits.
- Power dissipation: Rated for 500mW.
Pinout (SOD-123):
1. Cathode (K) – Marked with a band.
2. Anode (A) – Unmarked terminal.
Used in voltage stabilization, surge suppression, and signal clamping applications.
Manufacturer
The MMSZ5248BT1G is a Zener diode manufactured by ON Semiconductor, a leading global supplier of semiconductor-based solutions.
ON Semiconductor specializes in energy-efficient technologies for various industries, including automotive, industrial, and consumer electronics. Known for high-quality power management, analog, and sensor products, the company serves a broad range of applications.
The MMSZ5248BT1G is part of their small-signal diode portfolio, designed for voltage regulation and protection in compact circuits.
ON Semiconductor specializes in energy-efficient technologies for various industries, including automotive, industrial, and consumer electronics. Known for high-quality power management, analog, and sensor products, the company serves a broad range of applications.
The MMSZ5248BT1G is part of their small-signal diode portfolio, designed for voltage regulation and protection in compact circuits.
Application
The MMSZ5248BT1G is a Zener diode primarily used for voltage regulation and protection in various electronic circuits. Key application areas include:
1. Voltage Regulation – Stabilizing DC voltages in power supplies.
2. Overvoltage Protection – Safeguarding sensitive components (e.g., ICs, transistors).
3. Signal Clipping/Limiting – Shaping waveforms in communication circuits.
4. ESD Protection – Defending against electrostatic discharge in consumer electronics.
Commonly found in power management, automotive electronics, and portable devices due to its small size and reliability.
1. Voltage Regulation – Stabilizing DC voltages in power supplies.
2. Overvoltage Protection – Safeguarding sensitive components (e.g., ICs, transistors).
3. Signal Clipping/Limiting – Shaping waveforms in communication circuits.
4. ESD Protection – Defending against electrostatic discharge in consumer electronics.
Commonly found in power management, automotive electronics, and portable devices due to its small size and reliability.