SEMICONDUCTOR
TECHNICAL DATA
DTC301~311 / DTC317
DTC322~323
Bias Resistor Transistors
NPN Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
This new series of digital transistors is designed to replace a single
device and its external resistor bias network. The BRT (Bias Resistor
Transistor) contains a single transistor with a monolithic bias network
consisting of two resistors; a series base resistor and a base-emitter
resistor. The BRT eliminates these individual components by
integrating them into a single device. The use of a BRT can reduce
both system cost and board space. The device is housed in the SC-70 /
SOT-323 package which is designed for low power surface mount
applications.
• Simplifies Circuit Design
• Reduces Board Space
• Reduces Component Count
DEVICE MARKING INFORMATION
See specific marking information in the device marking table on
page 2 of this data sheet.
MAXIMUM RATINGS (TA = 25 C unless otherwise noted)
Rating
Symbol
Value
Collector-Base Voltage
Collector-Emitter Voltage
Collector Current
VCBO
VCEO
IC
50
50
100
Unit
Vdc
Vdc
mAdc
THERMAL CHARACTERISTICS
Characteristic
Symbol
Total Device Dissipation
TA = 25 C
Derate above 25 C
PD
Thermal Resistance –
Junction-to-Ambient
Thermal Resistance –
Junction-to-Lead
Junction and Storage
Temperature Range
1. FR–4 @ Minimum Pad
2. FR–4 @ 1.0 x 1.0 inch Pad
RθJA
RθJL
TJ , Tstg
Max
202 (Note 1.)
310 (Note 2.)
1.6 (Note 1.)
2.5 (Note 2.)
618 (Note 1.)
403 (Note 2.)
280 (Note 1.)
332 (Note 2.)
–55 to +150
Unit
mW
mW/ C
C/W
C/W
C
3
2
1
SC-70 / SOT-323
PIN 1
BASE
(INPUT)
R1
R2
PIN 3
COLLECTOR
(OUTPUT)
PIN 2
EMITTER
(GROUND)
2008. 03. 10
Revision No : 0
1/10
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