Manufacturer Part Number
1SMA5918BT3
Manufacturer
onsemi
Introduction
High-power Zener diode in SMA package for voltage regulation and protection applications.
Product Features and Performance
High power handling capability of 1.5 W
Operating temperature range of -65°C to 150°C
Low reverse leakage current of 2.5 A at 2 V
Forward voltage drop of 1.5 V at 200 mA
Tight Zener voltage tolerance of ±5%
Low impedance of 4 Ohms
Product Advantages
Robust design for high-power applications
Wide operating temperature range
Precise voltage regulation
Compact SMA surface mount package
Key Technical Parameters
Zener voltage: 5.1 V
Reverse leakage current: 2.5 A @ 2 V
Forward voltage: 1.5 V @ 200 mA
Tolerance: ±5%
Impedance: 4 Ohms
Power rating: 1.5 W
Operating temperature: -65°C to 150°C
Quality and Safety Features
RoHS non-compliant
Packaged in tape and reel for surface mount assembly
Compatibility
Compatible with standard SMA (DO-214AC) footprint
Application Areas
Voltage regulation
Overvoltage protection
Power supply circuits
Product Lifecycle
The 1SMA5918BT3 is an active product and not nearing discontinuation.
Replacement or upgrade products may be available in the future.
Key Reasons to Choose This Product
High-power handling capability for demanding applications
Wide operating temperature range for reliable performance
Precise voltage regulation with tight tolerance
Compact and compatible SMA surface mount package
Robust design for long-term reliability
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