BT169G-LML

Scrs Overview

The BT169G-LML is a planar passivated, very sensitive gate Silicon Controlled Rectifier (SCR) manufactured by WeEn Semiconductors. It is housed in a SOT54 (TO-92) plastic package and designed for industrial applications. Key electrical parameters include a repetitive peak reverse voltage of 600 V, an average on-state current of 0.5 A, and a maximum DC gate trigger current of 0.05 mA. The device supports a non-repetitive peak on-state current of 8 A and has a maximum junction temperature rating of 125 °C.

Scrs Feature Summary

• Planar passivation technology ensures high-voltage durability and robust safe-operating-area capability.
• Very sensitive gate design allows direct interfacing with microcontrollers and logic ICs without additional drive circuitry.

Scrs Applications

• Industrial control systems
• Logic level triggered circuits
• Low power gate trigger applications

Scrs Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration. The BT169G-LML designation corresponds to Ammopack, Radial packing. Confirm RoHS compliance status and lead-free plating specifications against the latest manufacturer documentation before finalizing procurement orders.

Scrs Selection Notes

Select this component when a low gate trigger current is required for direct logic interface. Ensure the application demands a 600 V blocking voltage and 0.5 A continuous current handling within a TO-92 package. Verify that the industrial qualification level meets the environmental requirements of the target system.

Scrs Part Context

This part belongs to the BT169 series of Silicon Controlled Rectifiers from WeEn Semiconductors. The 'L' suffix denotes the very sensitive gate variant, distinguishing it from standard gate versions like the BT169G which requires higher trigger current. The ML suffix indicates the specific tape-and-reel or ammopack packaging format.

Scrs Replacement Considerations

The BT169G is a related standard gate SCR but requires a higher gate trigger current (0.2 mA). Direct substitution may require circuit modification to ensure reliable triggering. No other verified public substitute part numbers are identified in the source data.