onsemi SZMMSZ5257BT1G

Manufacturer No:: SZMMSZ5257BT1G
Manufacturer:: onsemi
Package:: Tape & Reel (TR)
Description:: DIODE ZENER 33V 500MW SOD123
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Product Introduction

Overview

The SZMMSZ5257BT1G is a Zener diode from onsemi, designed for general-purpose and medium-current applications. It is part of the MMSZ52xxBT1G series, which offers a wide range of Zener reverse voltages. This device is packaged in a surface-mount SOD-123 case, making it suitable for high-density applications and optimal for automated board assembly. The SZMMSZ5257BT1G is AEC-Q101 qualified and PPAP capable, ensuring its reliability in automotive and other demanding environments.

Key Specifications

Parameter	Value	Unit
Zener Voltage (VZ) @ IZT	31.35 - 33 - 34.65	V
Reverse Current (IZT)	3.8 mA	mA
Maximum Zener Impedance (ZZT) @ IZT	58 Ω	Ω
Reverse Leakage Current (IR) @ VR	0.1 μA	μA
Forward Current (IF)	10 mA	mA
Forward Voltage (VF) @ IF	0.9 V Max.	V
Power Dissipation (P Max)	0.5 W	W
Junction and Storage Temperature Range	-55 to +150 °C	°C
Package Type	SOD-123
ESD Rating	Class 3 (> 16 kV) per Human Body Model

Key Features

500 mW rating on FR-4 or FR-5 board
Wide Zener reverse voltage range: 2.4 V to 110 V
Package designed for optimal automated board assembly
Small package size for high-density applications
General purpose, medium current
ESD rating of Class 3 (exceeding 16 kV) per Human Body Model
AEC-Q101 qualified and PPAP capable for automotive and other demanding applications
Pb-free packages available
Corrosion-resistant finish, easily solderable
Maximum case temperature for soldering purposes: 260°C for 10 seconds

Applications

The SZMMSZ5257BT1G Zener diode is suitable for a variety of applications, including:

Automotive systems requiring AEC-Q101 qualification
High-density electronic circuits where space is limited
General-purpose voltage regulation and stabilization
Surge protection and transient voltage suppression
Medium-current applications in industrial and consumer electronics

Q & A

What is the Zener voltage range of the SZMMSZ5257BT1G?
The Zener voltage range is 31.35 V to 34.65 V at IZT.
What is the maximum power dissipation of the SZMMSZ5257BT1G?
The maximum power dissipation is 0.5 W.
What is the package type of the SZMMSZ5257BT1G?
The package type is SOD-123.
Is the SZMMSZ5257BT1G AEC-Q101 qualified?
What is the ESD rating of the SZMMSZ5257BT1G?
The ESD rating is Class 3, exceeding 16 kV per Human Body Model).
What is the junction and storage temperature range of the SZMMSZ5257BT1G?
The junction and storage temperature range is -55°C to +150°C).
Is the SZMMSZ5257BT1G Pb-free?
What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds).
What are the typical applications of the SZMMSZ5257BT1G?
The SZMMSZ5257BT1G is used in automotive systems, high-density electronic circuits, general-purpose voltage regulation, surge protection, and medium-current applications).
What is the forward voltage of the SZMMSZ5257BT1G at 10 mA?
The forward voltage is 0.9 V Max. at 10 mA).
How is the polarity indicated on the SZMMSZ5257BT1G?
The polarity is indicated by a polarity band on the cathode side).

In Stock

UnitPrice: $0.36

Quantity: 1,696

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Part Number	SZMMSZ5257BT1G	SZMMSZ5259BT1G	SZMMSZ5267BT1G	SZMMSZ5258BT1G	SZMMSZ5257ET1G	SZMMSZ5227BT1G	SZMMSZ5237BT1G	SZMMSZ5247BT1G	SZMMSZ5250BT1G	SZMMSZ5251BT1G	SZMMSZ5252BT1G	SZMMSZ5253BT1G	SZMMSZ5254BT1G	SZMMSZ5255BT1G	SZMMSZ5256BT1G
Manufacturer	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi	onsemi
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Voltage - Zener (Nom) (Vz)	33 V	39 V	75 V	36 V	33 V	3.6 V	8.2 V	17 V	20 V	22 V	24 V	25 V	27 V	28 V	30 V
Tolerance	±5%	±5%	±5%	±5%	±5%	±5%	±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	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW
Impedance (Max) (Zzt)	58 Ohms	80 Ohms	270 Ohms	70 Ohms	58 Ohms	24 Ohms	8 Ohms	19 Ohms	25 Ohms	29 Ohms	33 Ohms	35 Ohms	41 Ohms	44 Ohms	49 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 25 V	100 nA @ 30 V	100 nA @ 56 V	100 nA @ 27 V	100 nA @ 25 V	15 µA @ 1 V	3 µA @ 6.5 V	100 nA @ 13 V	100 nA @ 15 V	100 nA @ 17 V	100 nA @ 18 V	100 nA @ 19 V	100 nA @ 21 V	100 nA @ 21 V	100 nA @ 23 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	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	-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	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	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	SOD-123	SOD-123	SOD-123	SOD-123	SOD-123	SOD-123

Voltage - Zener (Nom) (Vz):	33 V
Tolerance:	±5%
Power - Max:	500 mW
Impedance (Max) (Zzt):	58 Ohms
Current - Reverse Leakage @ Vr:	100 nA @ 25 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

onsemi SZMMSZ5257BT1G

Product Introduction

Overview

Key Specifications

Key Features

Applications

Q & A

Product Attributes

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