LESHAN RADIO COMPANY, LTD.
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 LMUN5211DW1T1 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
• Pb-Free Package is available
LMUN5211DW1T1
Series
6
5
4
1
2
3
SC-88/SOT-363
6
5
4
MAXIMUM RATINGS
Rating
(T
A
= 25°C unless otherwise noted, common for Q
1
and Q
2
)
Symbol Value
V
CBO
V
CEO
I
C
50
50
100
Unit
Vdc
Vdc
mAdc
Q
2
R
2
R
1
1
2
R
1
R
2
Collector-Base Voltage
Collector-Emitter Voltage
Collector Current
THERMAL CHARACTERISTICS
Characteristic
(One Junction Heated)
Total Device Dissipation
T
A
= 25°C
Derate above 25°C
Thermal Resistance –
Junction-to-Ambient
Characteristic
(Both Junctions Heated)
Total Device Dissipation
T
A
= 25°C
Derate above 25°C
Thermal Resistance –
Junction-to-Ambient
Thermal Resistance –
Junction-to-Lead
Junction and Storage
Temperature
1. FR–4 @ Minimum Pad
R
θJA
R
θJL
T
J
, T
stg
Symbol
P
D
R
θJA
Symbol
P
D
Q
1
3
Max
187 (Note 1.)
256 (Note 2.)
1.5 (Note 1.)
2.0 (Note 2.)
670 (Note 1.)
490 (Note 2.)
Unit
mW
mW/°C
°C/W
MARKING DIAGRAM
6
5
4
7X
1
2
3
7X = Device Marking
=
(See Page 2)
Max
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.)
–55 to +150
Unit
mW
mW/°C
°C/W
°C/W
°C
DEVICE MARKING
INFORMATION
See specific marking information in
the device marking table on page 2 of
this data sheet.
2. FR–4 @ 1.0 x 1.0 inch Pad
LMUN5211DW–1/10
LESHAN RADIO COMPANY, LTD.
LMUN5211DW1T1
DEVICE MARKING , RESISTOR VALUES AND ORDERING INFORMATION
Device
LMUN5211DW1T1
LMUN5211DW1T1G
LMUN5212DW1T1
LMUN5212DW1T1G
LMUN5213DW1T1
LMUN5213DW1T1G
LMUN5214DW1T1
LMUN5214DW1T1G
LMUN5215DW1T1
LMUN5215DW1T1G
LMUN5216DW1T1
LMUN5216DW1T1G
LMUN5230DW1T1
LMUN5230DW1T1G
LMUN5231DW1T1
LMUN5231DW1T1G
LMUN5232DW1T1
LMUN5232DW1T1G
LMUN5233DW1T1
LMUN5233DW1T1G
LMUN5234DW1T1
LMUN5234DW1T1G
LMUN5235DW1T1
LMUN5235DW1T1G
LMUN5236DW1T1
LMUN5236DW1T1G
LMUN5237DW1T1
LMUN5237DW1T1G
Package
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
SOT-363
Marking
7A
7A(Pb-Free)
7B
7B(Pb-Free)
7C
7C(Pb-Free)
7D
7D(Pb-Free)
7E
7E(Pb-Free)
7F
7F(Pb-Free)
7G
7G(Pb-Free)
7H
7H(Pb-Free)
7J
7J(Pb-Free)
7K
7K(Pb-Free)
7L
7L(Pb-Free)
7M
7M(Pb-Free)
7N
7N(Pb-Free)
7P
7P(Pb-Free)
R1(K)
10
10
22
22
47
47
10
10
10
10
4.7
4.7
1
1
2.2
2.2
4.7
4.7
4.7
4.7
22
22
2.2
2.2
100
100
47
47
1
1
2.2
2.2
4.7
4.7
47
47
47
47
47
47
100
100
22
22
R2(K)
10
10
22
22
47
47
47
47
Shipping
Series
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
3000/Tape&Reel
LMUN5211DW-2/10
LESHAN RADIO COMPANY, LTD.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted, common for Q
1
and Q
2
)
Characteristic
Symbol
OFF CHARACTERISTICS
Collector-Base Cutoff Current
(V
CB
= 50 V, I
E
= 0)
Collector-Emitter Cutoff Current (V
CE
= 50 V, I
B
= 0)
Emitter-Base Cutoff Current
LMUN5211DW1T1
LMUN5212DW1T1
(V
EB
= 6.0 V, I
C
= 0)
LMUN5213DW1T1
LMUN5214DW1T1
LMUN5215DW1T1
LMUN5216DW1T1
LMUN5230DW1T1
LMUN5231DW1T1
LMUN5232DW1T1
LMUN5233DW1T1
LMUN5234DW1T1
LMUN5235DW1T1
LMUN5236DW1T1
LMUN5237DW1T1
Collector-Base Breakdown Voltage (I
C
= 10
µA,
I
E
= 0)
Collector-Emitter Breakdown Voltage(Note 4.)(I
C
= 2.0 mA,I
B
=0)
4. Pulse Test: Pulse Width < 300
µs,
Duty Cycle < 2.0%
I
CBO
I
CEO
I
EBO
LMUN5211DW1T1
Min
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
50
50
Typ
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Max
100
500
0.5
0.2
0.1
0.2
0.9
1.9
4.3
2.3
1.5
0.18
0.13
0.2
0.05
0.13
–
–
Series
Unit
nAdc
nAdc
mAdc
V
(BR)CBO
V
(BR)CEO
Vdc
Vdc
LMUN5211DW-3/10
LESHAN RADIO COMPANY, LTD.
LMUN5211DW1T1
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
(V
CE
= 10 V, I
C
= 5.0 mA)
LMUN5211DW1T1
LMUN5212DW1T1
LMUN5213DW1T1
LMUN5214DW1T1
LMUN5215DW1T1
LMUN5216DW1T1
LMUN5230DW1T1
LMUN5231DW1T1
LMUN5232DW1T1
LMUN5233DW1T1
LMUN5234DW1T1
LMUN5235DW1T1
LMUN5236DW1T1
LMUN5237DW1T1
Collector-Emitter Saturation Voltage (I
C
= 10mA,I
B
= 0.3 mA) V
CE(sat)
(I
C
= 10mA, I
B
= 5mA) LMUN5230DW1T1/LMUN5231DW1T1
(I
C
= 10mA, I
B
= 1mA) LMUN5215DW1T1/LMUN5216DW1T1
LMUN5232DW1T1/LMUN5233DW1T1/LMUN5234DW1T1
V
OL
Output Voltage (on)
LMUN5211DW1T1
(V
CC
= 5.0 V, V
B
= 2.5 V, R
L
= 1.0 kΩ)
LMUN5212DW1T1
LMUN5214DW1T1
LMUN5215DW1T1
LMUN5216DW1T1
LMUN5230DW1T1
LMUN5231DW1T1
LMUN5232DW1T1
LMUN5233DW1T1
LMUN5234DW1T1
(V
CC
= 5.0 V, V
B
= 3.5 V, R
L
= 1.0 kΩ)
(V
CC
= 5.0 V, V
B
= 5.5 V, R
L
= 1.0 kΩ)
(V
CC
= 5.0 V, V
B
= 4.0 V, R
L
= 1.0 kΩ)
LMUN5237DW1T1
Output Voltage (off) (V
CC
= 5.0 V, V
B
= 0.5 V, R
L
= 1.0 kΩ)
(V
CC
= 5.0 V, V
B
= 0.05 V, R
L
= 1.0 kΩ)
(V
CC
= 5.0 V, V
B
= 0.25 V, R
L
= 1.0 kΩ)
LMUN5230DW1T1
LMUN5215DW1T1
LMUN5216DW1T1
LMUN5233DW1T1
LMUN5235DW1T1
LMUN5213DW1T1
LMUN5236DW1T1
V
OH
h
FE
Series
(Continued)
Min
Typ
35
60
80
80
160
160
3.0
8.0
15
80
80
80
80
80
–
60
100
140
140
350
350
5.0
15
30
200
150
140
150
140
–
Max
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0.25
Unit
Vdc
–
–
–
–
–
–
–
–
–
–
–
–
–
–
4.9
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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
–
Vdc
Vdc
5. Pulse Test: Pulse Width < 300 ms, Duty Cycle < 2.0%
LMUN5211DW–4/10
LESHAN RADIO COMPANY, LTD.
LMUN5211DW1T1
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.)
Input Resistor
LMUN5211DW1T1
LMUN5212DW1T1
LMUN5213DW1T1
LMUN5214DW1T1
LMUN5215DW1T1
LMUN5216DW1T1
LMUN5230DW1T1
LMUN5231DW1T1
LMUN5232DW1T1
LMUN5233DW1T1
LMUN5234DW1T1
LMUN5235DW1T1
LMUN5236DW1T1
Resistor Ratio
LMUN5237DW1T1
LMUN5211DW1T1/LMUN5212DW1T1
LMUN5213DW1T1/LMUN5236DW1T1
LMUN5214DW1T1/LMUN5215DW1T1
LMUN5216DW1T1/LMUN5230DW1T1
LMUN5231DW1T1/LMUN5232DW1T1
LMUN5233DW1T1
LMUN5234DW1T1
LMUN5235DW1T1
LMUN5237DW1T1
6. Pulse Test: Pulse Width < 300 ms, Duty Cycle < 2.0%
R
1
/R
2
0.8
0.17
–
0.8
0.055
0.38
0.038
1.7
1.0
0.21
–
1.0
0.1
0.47
0.047
2.1
1.2
0.25
–
1.2
0.185
0.56
0.056
2.6
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
10
22
47
10
10
4.7
1.0
2.2
4.7
4.7
22
2.2
100
47
13
28.6
61.1
13
13
6.1
1.3
2.9
6.1
6.1
28.6
2.86
130
61.1
Series
Max
Unit
kΩ
300
P
D
, POWER DISSIPATION (mW)
250
200
150
100
50
833°C
0
–50
0
50
100
150
T
A
, AMBIENT TEMPERATURE (°C)
Figure 1. Derating Curve
LMUN5211DW–5/10