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SEMICONDUCTOR
TECHNICAL DATA
DWC301~311
DWC317, 322, 323
Dual Bias ResistorTransistors
NPN Silicon Surface Mount Transistors
with Monolithic Bias Resistor 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. These
digital transistors are designed to replace a single device and its external resistor bias network.
The BRT eliminates these individual components by integrating them into a single device. In
the DWC3xx series, two BRT devices are housed in the SOT–363 package which is ideal
for low power surface mount applications where board space is at a premium.
Simplifies Circuit Design
Reduces Board Space
Reduces Component Count
• We declare that the material of product compliance with RoHS requirements.
6
5
4
1
2
3
SC-88/SOT-363
MAXIMUM RATINGS (T A = 25°C unless otherwise noted, common for Q 1 and Q 2 )
Rating
Symbol Value Unit
Collector-Base Voltage
V CBO 50 Vdc
Collector-Emitter Voltage
V CEO 50 Vdc
Collector Current
I C 100 mAdc
THERMAL CHARACTERISTICS
Characteristic
(One Junction Heated)
Symbol
Max
Unit
Total Device Dissipation
T A = 25°C
Derate above 25°C
P D 187 (Note 1.) mW
256 (Note 2.)
1.5 (Note 1.) mW/°C
2.0 (Note 2.)
Thermal Resistance –
R θJA
670 (Note 1.)
°C/W
Junction-to-Ambient
490 (Note 2.)
Characteristic
(Both Junctions Heated)
Symbol
Max
Total Device Dissipation
T A = 25°C
Derate above 25°C
Thermal Resistance –
Junction-to-Ambient
Thermal Resistance –
Junction-to-Lead
PD
R θJA
R θJL
250 (Note 1.)
385 (Note 2.)
2.0 (Note 1.)
3.0 (Note 2.)
493 (Note 1.)
325 (Note 2.)
188 (Note 1.)
208 (Note 2.)
Junction and Storage
Temperature
T J , T stg
–55 to +150
1. FR–4 @ Minimum Pad 2. FR–4 @ 1.0 x 1.0 inch Pad
Unit
mW
mW/°C
°C/W
°C/W
°C
6 54
Q2 R1 R2
R2
R1
Q1
12
3
MARKING DIAGRAM
6 54
7X
1 23
7X = Device Marking
(See Page 2)
DEVICE MARKING
INFORMATION
See specific marking information in
he device marking table on page 2 of
his data sheet.
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DWC301~311, DWC317, 322, 323
DEVICE MARKING , RESISTOR VALUES AND ORDERING INFORMATION
Device
Package
Marking
R1(K)
R2(K)
DWC301T1G
SOT-363
7J
4.7 4.7
DWC301T3G
SOT-363
7J
4.7 4.7
DWC302T1G
DWC302T3G
SOT-363
SOT-363
7A
7A
10 10
10 10
DWC303T1G
SOT-363
7B
22 22
DWC303T3G
SOT-363
7B
22 22
DWC304T1G
SOT-363
7C
47 47
DWC304T3G
SOT-363
7C
47 47
DWC305T1G
SOT-363
7M
2.2 47
DWC305T3G
SOT-363
7M
2.2 47
DWC306T1G
SOT-363
7K
4.7 47
DWC306T3G
DWC307T1G
SOT-363
SOT-363
7K
7D
4.7 47
10 47
DWC307T3G
SOT-363
7D
10 47
DWC308T1G
SOT-363
7L
22 47
DWC308T3G
SOT-363
7L
22 47
DWC309T1G
SOT-363
7P
47 22
DWC309T3G
DWC310T1G
SOT-363
SOT-363
7P
7F
47 22
4.7
DWC310T3G
SOT-363
7F
4.7
DWC311T1G
DWC311T3G
SOT-363
SOT-363
7E
7E
10
10
DWC317T1G
DWC317T3G
SOT-363
SOT-363
7H
7H
2.2 2.2
2.2 2.2
DWC322T1G
SOT-363
7N
100 100
DWC322T3G
SOT-363
7N
100 100
DWC323T1G
DWC323T3G
SOT-363
SOT-363
7G
7G
11
11
Shipping
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
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DWC301~311, DWC317, 322, 323
ELECTRICAL CHARACTERISTICS
(T A = 25°C unless otherwise noted, common for Q 1 and Q 2 )
Characteristic
Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector-Base Cutoff Current (V CB = 50 V, I E = 0)
I CBO
– – 100 nAdc
Collector-Emitter Cutoff Current (V CE = 50 V, I B = 0)
Emitter-Base Cutoff Current DWC302
I CEO
I EBO
– – 500 nAdc
– – 0.5 mAdc
(V EB = 6.0 V, I C = 0)
DWC303
– – 0.2
DWC304
– – 0.1
DWC307
– – 0.2
DWC310
– – 1.9
DWC311
– – 0.9
DWC317
– – 2.3
DWC323
– – 4.3
DWC301
– – 1.5
DWC306
– – 0.18
DWC308
– – 0.13
DWC305
– – 0.2
DWC309
– – 0.13
DWC322
– – 0.05
Collector-Base Breakdown Voltage (I C = 10 µA, I E = 0)
V (BR)CBO
50
– Vdc
Collector-Emitter Breakdown Voltage(Note 4.)(IC = 2.0 mA,I B=0) V (BR)CEO 50
– Vdc
4. Pulse Test: Pulse Width < 300 µs, Duty Cycle < 2.0%
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DWC301~311, DWC317, 322, 323
ELECTRICAL CHARACTERISTICS
(T A = 25°C unless otherwise noted, common for Q 1 and Q 2 ,)
Characteristic
Symbol
ON CHARACTERISTICS(Note 5.)
DC Current Gain
DWC302
h FE
(V CE = 10 V, I C = 5.0 mA)
DWC303
DWC304
DWC307
DWC310
DWC311
DWC317
DWC323
DWC301
DWC306
DWC308
DWC305
DW309
DWC322
Collector-Emitter Saturation Voltage (IC= 10mA,IB= 0.3 mA) V CE(sat)
(I C= 10mA, I B= 5mA) DWC317/DWC323
(I C= 10mA, IB= 1mA) DWC310/DWC311
DWC301/DWC306/DWC308
Output Voltage (on)
(V CC = 5.0 V, V B = 2.5 V, R L = 1.0 k)
DWC302
DWC303
V OL
DWC307
DWC311
DWC301
DWC310
DWC317
DWC323
DWC305
DWC306
DWC308
(V CC = 5.0 V, V B = 3.5 V, R L = 1.0 k) DWC304
(V CC = 5.0 V, V B = 5.5 V, R L = 1.0 k) DWC309
(V CC = 5.0 V, V B = 4.0 V, R L = 1.0 k) DWC322
Output Voltage (off) (V CC = 5.0 V, V B = 0.5 V, R L = 1.0 k)
(V CC = 5.0 V, V B = 0.05 V, R L = 1.0 k) DWC323
(V CC = 5.0 V, V B = 0.25 V, R L = 1.0 k) DWC306
V OH
DWC310
DWC311
5. Pulse Test: Pulse Width < 300 ms, Duty Cycle < 2.0%
(Continued)
Min Typ Max
35 60
60 100
80 140
80 140
160 350
160 350
8.0 15
3.0 5.0
15 30
80 200
80 150
80 140
80 150
80 140
– – 0.25
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
– – 0.2
4.9 –
Unit
Vdc
Vdc
Vdc
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DWC301~311, DWC317, 322, 323
ELECTRICAL CHARACTERISTICS
(T A = 25°C unless otherwise noted, common for Q 1 and Q 2 ,) (Continued)
Characteristic
Symbol Min Typ
ON CHARACTERISTICS(Note 6.)
Max
Unit
Input Resistor
Resistor Ratio
DWC302
DWC303
DWC304
DWC307
DWC311
DWC310
DWC323
DWC317
DWC301
DWC306
DWC308
DWC305
DWC322
DWC309
DWC302/DWC303
DWC304/DWC322
DWC307/DWC311
DWC310/DWC323
DWC317/DWC301
DWC306
DWC308
DWC305
DWC309
R 1 7.0
15.4
32.9
7.0
7.0
3.3
0.7
1.5
3.3
3.3
15.4
1.54
70
32.9
R 1 /R2
0.8
0.17
0.8
0.055
0.38
0.038
1.7
10
22
47
10
10
4.7
1.0
2.2
4.7
4.7
22
2.2
100
47
1.0
0.21
1.0
0.1
0.47
0.047
2.1
13
28.6
61.1
13
13
6.1
1.3
2.9
6.1
6.1
28.6
2.86
130
61.1
1.2
0.25
1.2
0.185
0.56
0.056
2.6
k
6. Pulse Test: Pulse Width < 300 ms, Duty Cycle < 2.0%
300
250
200
150
100
50 833°C
0
–50
0 50 100
T A , AMBIENT TEMPERATURE (°C)
Figure 1. Derating Curve
150
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