P500-G120-WH

Overview

The P500-G120-WH is a Transient Blocking Unit (TBU) protector manufactured by Bourns. It provides extremely high-speed performance for circuit protection, effectively blocking high voltages and currents. The device integrates two TBU protectors within a single small package, offering simple and superior protection with minimal PCB area requirements. It is RoHS compliant and UL recognized under File # E315805.

Feature Summary

• Integrates two TBU protectors in one compact package
• Blocks high voltages and currents for superior circuit protection
• Requires minimal PCB area

Applications

• POTS linecards
• ONU, ONT
• Gateways
• Cable and DSL modems

Procurement Notes

Verify the specific suffix WH against official Bourns documentation to confirm exact pinout or marking variations. Ensure compliance with Telcordia GR-1089 Port Type 2, 4, 3, or 5 standards relevant to your design. Confirm UL recognition status for your region's safety requirements before finalizing procurement.

Selection Notes

Select this component when high-speed transient blocking is critical for telecom or modem applications. The dual-protector design offers enhanced protection density compared to single units. Consider the minimal footprint requirement if space constraints are significant on the PCB layout.

Part Context

This part belongs to the P500-G and P850-G series of Transient Blocking Units. These devices are designed as robust protection solutions for sensitive electronic circuits against voltage and current transients, commonly used in telecommunications infrastructure and customer premise equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Bourns engineering for direct replacements.