
onsemi SZMMSZ52xT1G Automotive Zener Voltage Regulators
onsemi SZMMSZ52xT1G Automotive Zener Voltage Regulators are robust, surface-mount devices designed to provide precise voltage regulation and overvoltage protection in automotive and industrial applications. Packaged in a compact SOD-123 format, these Zener diodes offer a wide breakdown voltage range from 2.4V to 110V, making the components suitable for a variety of circuit protection and voltage reference tasks. The onsemi SZMMSZ52xT1G regulators are qualified to AEC-Q101 standards, ensuring high reliability under harsh environmental conditions, including extended temperature ranges from -55°C to +150°C. With features such as low leakage current and sharp breakdown characteristics, the SZMMSZ52xT1G series is ideal for use in electronic control units (ECUs), sensor interfaces, infotainment systems, and battery management circuits, where stable and predictable voltage regulation is critical.
Features
- 500mW rating on FR-4 or FR-5 board
- Wide 2.4V to 110V zener reverse voltage range at thermal equilibrium
- SOD-123 package designed for optimal automated board assembly
- Small package size for high-density applications
- Void-free, transfer-molded, thermosetting plastic case
- General-purpose, medium current
- Corrosion-resistant finish, easily solderable
- Cathode indicated by polarity band
- -55°C to +150°C junction temperature range
- +260°C maximum soldering process case temperature for 10s
- ESD Class 3 rating,>16kV Human Body Model (HBM)
- UL 94V-0 flammability rating
- AEC-Q101 qualified and PPAP capable
- Lead-free
Applications
- Automotive
- ECUs
- Sensor interfaces
- Infotainment systems
- Battery management circuits
- Voltage clamping
- Reference voltage generation
- Load regulation
- Sensor and microcontroller protection
- Reverse polarity protection
Schematic
