P850-G120-WH

Overview

The Bourns P850-G120-WH is a board-mount transient blocking unit (TBU) designed for Ethernet and signal line protection. It features a voltage rating of 120 Vimp and a current rating of 200 mA. The device utilizes surface mount technology with dimensions of 8.25 mm length, 4 mm width, and 0.85 mm height. It operates within a temperature range of -40°C to +85°C and carries UL recognition under file number E315805.

Feature Summary

• Blocks high voltages and currents in a compact package
• Provides simple and superior circuit protection
• Minimizes required PCB area

Applications

• POTS linecards
• VoIP equipment
• Voice and data combo linecards
• Gateways
• Cable and DSL modems

Procurement Notes

Verify the specific suffix WH against official Bourns documentation to confirm packaging configuration. Ensure compliance with RoHS directives and UL recognition requirements for the target application. Confirm moisture sensitivity handling procedures are followed during assembly to maintain component integrity.

Selection Notes

Select this TBU device for applications requiring extremely high-speed performance and robust surge suppression. The dual-protector design offers enhanced protection density compared to single units. Consider the small footprint when optimizing board space for telecommunications or networking hardware designs.

Part Context

This component belongs to the P850-G series of Transient Blocking Units. These devices are engineered to protect sensitive electronics from hostile electrical events. The series provides a reliable solution for limiting peak surge voltages without short-circuiting lines, ensuring system uptime and reducing maintenance costs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.