BAT42 – GENERAL SEMICONDUCTOR
30 V, 200 mA Through-Hole Diode, DO‑35 Package
Stock Quantity: 254
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.26 |
| 10+ | |
| 50+ | |
| 100+ |
254 in stock
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Overview
The STMicroelectronics BAT42 is a general-purpose Schottky rectifier designed for efficient rectification in low-voltage DC power supplies and signal demodulation circuits. Its defining characteristic is the exceptionally low forward voltage drop (Vf) of 450mV at 200mA, which minimizes power dissipation and improves system efficiency. A critical design consideration when employing the BAT42 is its relatively low repetitive reverse voltage rating (Vrrm) of 30V; designers must ensure adequate voltage derating and consider series configurations or voltage clamping for applications exceeding this threshold to prevent premature breakdown and ensure long-term reliability.
Key Features
- Forward Current (If): 200 mA
- Repetitive Reverse Voltage (Vrrm): 30 V
- Forward Voltage (Vf): 450 mV @ 200 mA
- Forward Surge Current (Ifsm): 4 A
- Reverse Current (Ir): 500 nA @ 30 V
- Package: DO-35-2 (4.5 mm L x 2 mm W x 2 mm H)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Low-voltage power supply rectification
- RF signal detection and demodulation
- Reverse polarity protection in battery-powered devices
- High-frequency switching applications with limited reverse voltage stress
