Transistor with Built-in Resistor, BRT Series 2in1 US6, Toshiba
Part number
Q1
Q2
R1 (kΩ)
R2 (kΩ)
R1 (kΩ)
R2 (kΩ)
580-301
4.7
4.7
4.7
4.7
580-307
10
10
10
10
580-317
22
22
22
22
580-313
47
47
47
47
580-323
2.2
47
2.2
47
580-329
4.7
47
4.7
47
580-339
10
47
10
47
580-335
4.7
-
4.7
-
580-345
10
-
10
-
580-597
4.7
4.7
4.7
4.7
580-593
10
10
10
10
580-604
22
22
22
22
580-600
47
47
47
47
580-610
2.2
47
2.2
47
580-616
4.7
47
4.7
47
R1: base series resistance
R2: resistance between base and emitter
RN49 series Q1: PNP Q2: NPN
Part number
Q1
Q2
R1 (kΩ)
R2 (kΩ)
R1 (kΩ)
R2 (kΩ)
580-626
10
47
10
47
580-622
22
47
22
47
580-632
47
22
47
22
580-638
4.7
-
4.7
-
580-648
10
-
10
-
580-644
4.7
4.7
4.7
4.7
580-654
10
10
10
10
580-650
22
22
22
22
580-660
47
47
47
47
580-666
2.2
47
2.2
47
580-676
4.7
47
4.7
47
580-672
10
47
10
47
580-682
47
22
47
22
580-688
4.7
-
4.7
-
580-698
10
-
10
-
R1: base series resistance
R2: resistance between base and emitter
RN49 series Q1: PNP Q2: NPN
Digital Transistors, Toshiba
Resistor-equipped bipolar transistors, also known as Digital Transistors or Bias Resistor Transistors, incorporating one or two integrated resistors. A single series input resistor, or a potential divider of two resistors, allows these devices to be directly driven from digital sources. Both single and dual transistor versions are available.