Manufacturer Part Number
SZMMSZ5259BT1G
Manufacturer
onsemi
Introduction
The SZMMSZ5259BT1G is a single Zener diode from onsemi's SZMMSZ52xxxT1G series, designed for automotive and industrial applications.
Product Features and Performance
39V Zener voltage
100nA reverse leakage current at 30V
900mV forward voltage drop at 10mA
±5% tolerance
80Ω maximum impedance
500mW maximum power rating
Operating temperature range of -55°C to 150°C
AEC-Q101 qualified for automotive applications
Product Advantages
Robust design for harsh environments
Reliable performance in automotive and industrial systems
Small SOD-123 surface mount package
Key Technical Parameters
Zener voltage: 39V
Reverse leakage current: 100nA @ 30V
Forward voltage drop: 900mV @ 10mA
Tolerance: ±5%
Impedance: 80Ω (max)
Power rating: 500mW
Operating temperature: -55°C to 150°C
Quality and Safety Features
RoHS3 compliant
AEC-Q101 qualified for automotive applications
Compatibility
Compatible with a wide range of electronic devices and circuits requiring a 39V Zener reference or protection.
Application Areas
Automotive electronics
Industrial control systems
Power supply regulation
Voltage clamping and protection
Product Lifecycle
The SZMMSZ5259BT1G is an active and available product from onsemi. There are no plans for discontinuation, and replacement or upgrade options are readily available.
Key Reasons to Choose This Product
Robust design and AEC-Q101 qualification for reliable performance in harsh automotive and industrial environments.
Small SOD-123 surface mount package for space-constrained applications.
Wide operating temperature range of -55°C to 150°C, suitable for a variety of use cases.
Tight ±5% tolerance and low 80Ω maximum impedance for precise voltage regulation and protection.
High 500mW power rating and low 100nA reverse leakage current for efficient and reliable circuit operation.