Manufacturer Part Number
1SMB5945BT3G
Manufacturer
onsemi
Introduction
A high-power, surface-mount, zener diode designed for overvoltage protection applications.
Product Features and Performance
High power handling capability up to 3W
Tight zener voltage tolerance of ±5%
Low reverse leakage current of 1A @ 51.7V
Fast response time
Reliable operation in harsh environments (-65°C to 150°C)
Product Advantages
Compact SMB surface-mount package
RoHS compliant
Tape and reel packaging for automated assembly
Key Technical Parameters
Zener Voltage: 68V
Maximum Reverse Leakage Current: 1A @ 51.7V
Maximum Forward Voltage: 1.5V @ 200mA
Maximum Impedance: 120 Ohms
Quality and Safety Features
RoHS3 compliant
Designed and manufactured to high quality standards
Compatibility
This zener diode is compatible with a wide range of electronic devices and circuits requiring overvoltage protection.
Application Areas
Overvoltage protection in power supplies, motor drives, and industrial control systems
Transient voltage suppression in telecommunication and consumer electronics
Product Lifecycle
This product is an active and widely available part. There are no plans for discontinuation, and suitable replacement or upgrade options are readily available.
Key Reasons to Choose This Product
High-power handling capability up to 3W
Tight zener voltage tolerance for precise overvoltage protection
Reliable operation in harsh environments
Compact SMB surface-mount package for space-constrained designs
RoHS compliance and tape and reel packaging for automated assembly