MUN2137T1 Datasheet, ON Semiconductor

http://onsemi.com PIN 3 COLLECTOR (OUTPUT) R1 PIN 2 BASE (INPUT) R2
*
*
*
*
*
*
*
* Simplifies Circuit Design Reduces Board Space Reduce.

Features http://onsemi.com PIN 3 COLLECTOR (OUTPUT) R1 PIN 2 BASE (INPUT) R2
*
*
*
*
*
*
*.