MMSZ5242BT1G

Zener Voltage Regulator

The MMSZ5242BT1G is a zener voltage regulator from onsemi. View the full MMSZ5242BT1G datasheet below including key specifications, absolute maximum ratings.

Manufacturer

onsemi

Key Specifications

Parameter	Value
Reverse Leakage Current	1 µA @ 9.1 V
Zener Impedance	30 Ohms Ω
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C
Package / Case	SOD-123
Power (Max)	500 mW
Supplier Device Package	SOD-123
Tolerance	±5%
Forward Voltage (Max)	900 mV @ 10 mA
Zener Voltage	12 V

Overview

Part: MMSZ52xxxT1G Series, SZMMSZ52xxxT1G Series — onsemi

Type: Zener Voltage Regulator

Description: 500 mW, SOD-123 surface mount Zener diode series with a wide Zener reverse voltage range from 2.4 V to 110 V.

Operating Conditions:

Zener voltage range: 2.4 V to 110 V
Operating temperature: -55 to +150 °C
Forward current: 10 mA (for V_F specification)

Absolute Maximum Ratings:

Max junction/storage temperature: +150 °C

Key Specs:

Total Power Dissipation (PD): 500 mW (on FR-5 Board, @TL = 75 °C)
Zener Voltage (Vz): 2.4 V to 110 V (Nominal, @IZT)
Forward Voltage (VF): 0.95 V Max (@ IF = 10 mA)
Zener Impedance (ZZT): 5 Ω to 750 Ω (at IZT, varies by part)
Reverse Leakage Current (IR): 0.1 μA to 100 μA (at VR, varies by part)
Thermal Resistance, Junction-to-Ambient (RθJA): 340 °C/W
Thermal Resistance, Junction-to-Lead (RθJL): 150 °C/W
ESD Rating: Class 3 (> 16 kV) per Human Body Model

Features:

Wide Zener Reverse Voltage Range - 2.4 V to 110 V
500 mW Rating on FR-4 or FR-5 Board
Package Designed for Optimal Automated Board Assembly
General Purpose, Medium Current
Small Package Size for High Density Applications
Pb-Free Devices
SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable

Applications:

General Purpose, Medium Current
High Density Applications
Automotive and Other Applications (SZMMSZ prefix)

Package:

SOD-123 (Pb-Free), 2-lead, 1.60x2.69x1.16 mm

Features

Wide Zener Reverse Voltage Range -2.4 V to 110 V @ Thermal Equilibrium*
500 mW Rating on FR -4 or FR -5 Board
Package Designed for Optimal Automated Board Assembly
General Purpose, Medium Current
Small Package Size for High Density Applications
ESD Rating of Class 3 (> 16 kV) per Human Body Model
These are Pb -Free Devices
SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC -Q101 Qualified and PPAP Capable

Absolute Maximum Ratings

Rating	Symbol	Max	Units
Total Power Dissipation on FR - 5 Board, (Note 1)@T L = 75 ° C Derated above 75 ° C	P D	500 6.7	mW mW/ ° C
Thermal Resistance, Junction - to - Ambient (Note 2)	R q JA	340	° C/W
Thermal Resistance, Junction - to - Lead (Note 2)	R q JL	150	° C/W
Junction and Storage Temperature Range	T J , T stg	- 55 to +150	° C

FR -5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
Thermal Resistance measurement obtained via infrared Scan Method.

*For additional info on thermal equilibrium, please download, onsemi TVS/Zener Theory and Design Considerations Handbook, HBD854/D.

SOD -123 CASE 425 STYLE 1

SOD -123 CASE 425 STYLE 1

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
MMSZ5242BT1G/T3G	onsemi	—

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