MMSZ5255BT1G
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onsemi MMSZ5255BT1G

Manufacturer No:
MMSZ5255BT1G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
DIODE ZENER 28V 500MW SOD123
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MMSZ5255BT1G is a Zener voltage regulator from onsemi, part of the MMSZ52xxxT1G series. This device is designed in the SOD-123 surface mount package, offering a compact and efficient solution for voltage regulation in various electronic circuits. The MMSZ5255BT1G is characterized by its high power dissipation capability and wide range of Zener reverse voltages, making it suitable for a broad spectrum of applications.

Key Specifications

Parameter Symbol Min Nom Max Units
Reverse Zener Voltage @ IZT VZ 26.60 28 29.40 V
Reverse Current @ IZT IZT 20 - - mA
Maximum Zener Impedance @ IZT ZZT - - 1600 Ω
Reverse Leakage Current @ VR IR - - 0.25 μA
Total Power Dissipation on FR-5 Board @ TL = 75°C PD - 500 - mW
Thermal Resistance, Junction-to-Ambient RθJA - 340 - °C/W
Junction and Storage Temperature Range TJ, Tstg -55 - 150 °C

Key Features

  • 500 mW power rating on FR-4 or FR-5 board
  • Wide Zener reverse voltage range from 2.4 V to 110 V @ thermal equilibrium
  • Package designed for optimal automated board assembly
  • Small package size for high-density applications
  • General-purpose, medium current capability
  • ESD rating of Class 3 (> 16 kV) per Human Body Model
  • AEC-Q101 qualified and PPAP capable for automotive and other critical applications
  • Pb-free devices

Applications

  • Voltage regulation in power supplies and DC-DC converters
  • Overvoltage protection in electronic circuits
  • Automotive electronics requiring high reliability and robustness
  • Industrial control systems and automation
  • Consumer electronics where compact and efficient voltage regulation is necessary

Q & A

  1. What is the maximum power dissipation of the MMSZ5255BT1G on an FR-5 board?

    The maximum power dissipation is 500 mW at a temperature of 75°C, derated above 75°C.

  2. What is the Zener reverse voltage range for the MMSZ5255BT1G?

    The Zener reverse voltage range is from 26.60 V to 29.40 V.

  3. What is the thermal resistance of the MMSZ5255BT1G from junction to ambient?

    The thermal resistance from junction to ambient is 340 °C/W.

  4. Is the MMSZ5255BT1G suitable for automotive applications?
  5. What is the ESD rating of the MMSZ5255BT1G?

    The ESD rating is Class 3 (> 16 kV) per Human Body Model.

  6. What is the junction and storage temperature range for the MMSZ5255BT1G?

    The junction and storage temperature range is from -55°C to +150°C.

  7. Is the MMSZ5255BT1G a Pb-free device?
  8. What package type is the MMSZ5255BT1G available in?

    The MMSZ5255BT1G is available in the SOD-123 surface mount package.

  9. What are some common applications of the MMSZ5255BT1G?
  10. How is the nominal Zener voltage measured for the MMSZ5255BT1G?

    The nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C ±1°C.

Product Attributes

Voltage - Zener (Nom) (Vz):28 V
Tolerance:±5%
Power - Max:500 mW
Impedance (Max) (Zzt):44 Ohms
Current - Reverse Leakage @ Vr:100 nA @ 21 V
Voltage - Forward (Vf) (Max) @ If:900 mV @ 10 mA
Operating Temperature:-55°C ~ 150°C
Mounting Type:Surface Mount
Package / Case:SOD-123
Supplier Device Package:SOD-123
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Similar Products

Part Number MMSZ5255BT1G MMSZ5258BT1G MMSZ5257BT1G MMSZ5256BT1G MMSZ5255ET1G MMSZ5252BT1G MMSZ5253BT1G MMSZ5254BT1G MMSZ5255BT1
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Active Active Active Active Active Active Active Active Obsolete
Voltage - Zener (Nom) (Vz) 28 V 36 V 33 V 30 V 28 V 24 V 25 V 27 V 28 V
Tolerance ±5% ±5% ±5% ±5% ±5% ±5% ±5% ±5% ±5%
Power - Max 500 mW 500 mW 500 mW 500 mW 500 mW 500 mW 500 mW 500 mW 500 mW
Impedance (Max) (Zzt) 44 Ohms 70 Ohms 58 Ohms 49 Ohms 44 Ohms 33 Ohms 35 Ohms 41 Ohms 44 Ohms
Current - Reverse Leakage @ Vr 100 nA @ 21 V 100 nA @ 27 V 100 nA @ 25 V 100 nA @ 23 V 100 nA @ 21 V 100 nA @ 18 V 100 nA @ 19 V 100 nA @ 21 V 100 nA @ 21 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA 900 mV @ 10 mA
Operating Temperature -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123
Supplier Device Package SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123 SOD-123

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