HCPL-T251-500E

Isolators - Gate Drivers Overview

The HCPL-T251-500E is a single-channel logic output optocoupler designed for IGBT gate drive applications. It features an open collector output capable of delivering a maximum continuous current of 400 mA. The device provides 3750 Vrms isolation voltage between input and output circuits. Key electrical parameters include a forward current of 12 mA, forward voltage of 1.8 V, reverse voltage of 5 V, and power dissipation of 250 mW. It operates within a temperature range extending down to unspecified minimums in provided data, housed in a DIP-8 package.

Isolators - Gate Drivers Feature Summary

• Provides high-current 400 mA output capability suitable for direct IGBT and MOSFET gate driving
• Offers robust 3750 Vrms insulation voltage for effective circuit isolation
• Utilizes a single-channel architecture with open collector output configuration

Isolators - Gate Drivers Applications

• IGBT gate drive circuits
• MOSFET gate drive circuits
• AC motor drive systems
• Brushless DC motor drive systems
• Switching power supplies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix '500E' against official Broadcom documentation to confirm packaging and compliance status. Ensure the component matches the required DIP-8 through-hole specification. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and avoid counterfeit components during acquisition.

Isolators - Gate Drivers Selection Notes

Select this component when high peak output current up to 400 mA is required for driving power devices like IGBTs. Consider the 3750 Vrms isolation rating for safety-critical applications. Evaluate the DIP-8 package constraints against PCB layout requirements. Confirm that the single-channel configuration meets the system's signal routing needs without requiring additional channels.

Isolators - Gate Drivers Part Context

This device belongs to the HCPL series of optocouplers manufactured by Broadcom Limited. It is specifically engineered for power electronics applications requiring reliable isolation and high drive strength. The product line supports various industrial and consumer power conversion technologies, emphasizing durability and performance in demanding electrical environments.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs before considering alternative components from other manufacturers or different series within the same family.