Diodes Incorporated.

DUAL NPN PRE-BIASED TRANSISTOR

ROHM Semiconductor

NPN 100mA 50V Complex Digital Transistors (Bias Resistor Built-in Transistors)

ROHM Semiconductor

General purpose (dual digital transistors)

Secos Corporation.

Dual NPN Digital Transistors (Built-in Resistors)

Jiangsu Changjiang Electronics Technology Co., Ltd

Digital Transistors (Built-in Resistors)

Diodes Incorporated.

DUAL NPN PRE-BIASED TRANSISTOR

ROHM Semiconductor

Emitter common(dual digital transistor)