1N4948GP/1

Overview

The Vishay 1N4948GP/1 is a glass-passivated junction fast-switching plastic rectifier with a maximum repetitive peak reverse voltage of 1000 Volts and a maximum average forward rectified current of 1.0 Ampere at an ambient temperature of 55°C. It features a peak forward surge current capability of 25.0 Amps for an 8.3ms single half sine-wave. The device exhibits a maximum instantaneous forward voltage of 1.3 Volts at 1.0A and a maximum DC reverse current of 200.0 μA at 150°C. Its maximum reverse recovery time is 500 ns, with typical junction capacitance of 15.0 pF and thermal resistance of 55.0 °C/W.

Feature Summary

• Glass passivated cavity-free junction construction
• High temperature metallurgically bonded assembly
• Capable of meeting MIL-S-19500 environmental standards

Applications

• High frequency rectifier circuits

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact packaging configuration and compliance status. Ensure that the ordering information matches the required JEDEC registered values and mechanical dimensions specified in the datasheet. Cross-reference the component details with authorized distributor catalogs to validate authenticity and technical specifications before procurement.

Selection Notes

Select this component for applications requiring high-voltage blocking capabilities up to 1000 Volts and efficient fast switching performance. Consider the operating junction temperature range of -65 to +175 °C for extreme environment suitability. Evaluate the thermal resistance and derating curves to ensure adequate heat dissipation within the circuit design constraints.

Part Context

This component belongs to the 1N4942GP through 1N4948GP series of fast-switching plastic rectifiers manufactured by Vishay General Semiconductor. The series utilizes a JEDEC DO-204AL molded plastic package over a glass body, offering axial leads solderable per MIL-STD-750 Method 2026. The parts are designed for high reliability and efficiency in demanding electronic applications.

Replacement Considerations

Direct replacements include other members of the 1N494xGP series such as 1N4942GP, 1N4944GP, 1N4946GP, and 1N4947GP, provided their reverse voltage ratings meet the circuit requirements.