Philips Electronics

NPN/NPN resistor-equipped transistors; R1 = 22 kΩ, R2 = open

Infineon Technologies

NPN Silicon Digital Transistor

Philips Electronics

Resistor-equipped transistors (RETs)

ROHM Semiconductor

General purpose (dual digital transistors)

Shenzhen Jin Yu Semiconductor Co., Ltd.

General purpose transistors (dual transistors)

NXP Semiconductors.

NPN/NPN resistor-equipped transistors; R1 = 4.7 kΩ, R2 = 47 kΩ

NXP Semiconductors.

NPN/NPN resistor-equipped transistors; R1 = 4.7 kΩ, R2 = 10 kΩ

Shenzhen Jin Yu Semiconductor Co., Ltd.

General purpose transistors (dual transistors)

Philips Electronics

NPN resistor-equipped transistors; R1 = 2.2 kΩ, R2 = 47 kΩ

Philips Electronics

NPN/NPN resistor-equipped transistors; R1 = 47 kΩ, R2 = open

Jiangsu Changjiang Electronics Technology Co., Ltd

Digital Transistors (Built-in Resistors)

NXP Semiconductors.

NPN/NPN resistor-equipped transistors; R1 = 2.2 kΩ, R2 = 47kΩ

Nexperia B.V. All rights reserved

NPN/NPN resistor-equipped transistors; R1 = 10 k, R2 = 10 k

Jiangsu Changjiang Electronics Technology Co., Ltd

Dual Digital Transistors (NPN+NPN)