onsemi

BAV74

BAV74 Description

The BAV74 from onsemi is a general-purpose diode array configured as 1 pair of common-cathode diodes in a compact SOT23-3 surface-mount package. Designed for small-signal applications with currents up to 200mA (Io) per diode, it offers a reverse voltage (Vr) rating of 50V and a low forward voltage drop (Vf) of 1V at 100mA. Its fast reverse recovery time (trr) of 4ns makes it suitable for high-speed switching. The device operates over a wide temperature range up to 150°C (Max) and is RoHS3 compliant, meeting modern environmental standards.

BAV74 Features

• High-Speed Switching: 4ns trr ensures minimal delay in signal processing.
• Low Leakage Current: 100nA @ 50V enhances efficiency in precision circuits.
• Compact & Reliable: SOT23-3 package saves board space while maintaining robustness.
• Wide Operating Range: -55°C to +150°C junction temperature for harsh environments.
• Compliance: RoHS3, REACH Unaffected, EAR99 for global market suitability.
• Low Forward Voltage: 1V @ 100mA reduces power dissipation.

BAV74 Applications

The BAV74 is ideal for:

• Signal Clipping & Protection: Used in audio/video circuits to limit voltage spikes.
• High-Speed Switching: Suitable for logic gates, pulse shaping, and digital systems.
• Power Management: Efficient in DC-DC converters, voltage clamping, and reverse polarity protection.
• Portable Electronics: Low leakage and small footprint benefit wearables and IoT devices.
• Automotive & Industrial: Reliable performance in harsh environments due to high-temperature tolerance.

Conclusion of BAV74

The BAV74 is a versatile, high-performance diode array offering fast switching, low leakage, and compact packaging. Its 50V rating, 200mA current handling, and 4ns recovery time make it superior to slower, bulkier alternatives. While obsolete, it remains a reliable choice for space-constrained, high-speed, or precision applications where efficiency and durability are critical. Engineers favor it for mixed-signal systems, power conditioning, and protection circuits requiring a balance of speed and robustness.