NXP Semiconductors.
NPN resistor-equipped transistors; R1 = 22 kΩ, R2 = open
Philips Electronics
NPN resistor-equipped transistors; R1 = 22 kΩ, R2 = open
ROHM Semiconductor
Digital transistors (built-in resistor)
ROHM Semiconductor
Digital transistors (built-in resistor)