LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
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 SOT-23 package which is
designed for low power surface mount applications.
∗
Simplifies Circuit Design
∗
Reduces Board Space
∗
Reduces Component Count
∗
The SOT-23 package can be soldered using wave or
reflow. The modified gull-winged leads absorb thermal
stress during soldering eliminating the possibility of
damage to the die.
∗
Available in 8 mm embossed tape and reel. Use the
Device Number to order the 7 inch/3000 unit reel.
Replace “T1” with “T3” in the Device Number to order
the 13 inch/10,000 unit reel.
PIN1
base
(Input)
R1
R2
PIN2
Emitter
(Ground)
PIN3
Collector
(output)
MMUN2211RLT1
MMUN2212RLT1
MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
MMUN2238RLT1
MMUN2241RLT1
MMUN2242RLT1
NPN SILICON
BIAS RESISTOR
TRANSISTOR
3
1
2
CASE 318–08, STYLE 6
SOT– 23 (TO–236AB)
MAXIMUM RATINGS
(T
A
= 25°C unless otherwise noted)
Rating
Collector-Base Voltage
Collector-Emitter Voltage
Collector Current
Total Power Dissipation @ T
A
= 25°C
(Note 1.)
Derate above 25°C
Symbol
V
CBO
V
CEO
I
C
P
D
Value
50
50
100
200
1.6
Unit
Vdc
Vdc
mAdc
mW
mW/°C
ORDERINGINFORMATION
Device
Package
MMUN2211RLT1 SOT-23
MMUN2212RLT1 SOT-23
MMUN2213RLT1 SOT-23
MMUN2214RLT1 SOT-23
MMUN2215RLT1 SOT-23
MMUN2230RLT1 SOT-23
MMUN2231RLT1 SOT-23
MMUN2232RLT1 SOT-23
MMUN2233RLT1 SOT-23
MMUN2234RLT1 SOT-23
MMUN2235RLT1 SOT-23
MMUN2238RLT1 SOT-23
MMUN2241RLT1 SOT-23
MMUN2242RLT1 SOT-23
shipping
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
DEVICE MARKING AND RESISTOR VALUES
Device
MMUN2211RLT1
MMUN2212RLT1
MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2216RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
Marking
A8A
A8B
A8C
A8D
A8E
A8F
A8G
A8H
A8J
A8K
A8L
A8M
R1 (K)
10
22
47
10
10
4.7
1
2.2
4.7
4.7
22
2.2
R2 (K)
10
22
47
47
1
2.2
4.7
47
47
4.7
8 8
Perferred
devices are recommended choices
for future use and best overall value.
MMUN2238RLT1
A8R
2.2
MMUN2241RLT1
A8U
100
MMUN2242RLT1
A8V
4.7
10
1. Device mounted on a FR-4 glass epoxy printed circuit board using the minimum
recommended footprint.
8 8
MMUN2211RLT1-1/10
LESHAN RADIO COMPANY, LTD.
MMUN2211RLT1 SERIES
THERMAL CHARACTERISTICS
Rating
Thermal Resistance — Junction-to-Ambient (surface mounted)
Operating and Storage Temperature Range
Maximum Temperature for Soldering Purposes
Time in Solder Bath
Characteristic
Symbol
I
CBO
I
CEO
I
EBO
Symbol
R
θJA
T
J
, T
stg
T
L
Value
625
–65 to +150
260
10
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
60
100
140
140
350
350
5.0
15
30
200
150
140
350
350
-
-
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
4.0
0.1
0.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.25
Unit
°C/W
°C
°C
Sec
Unit
nAdc
nAdc
mAdc
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
50
35
60
80
80
160
160
3.0
8.0
15
80
80
80
160
160
20
-
OFF CHARACTERISTICS
Collector-Base Cutoff Current (V
CB
=50V, I
E
= 0)
Collector-Emitter Cutoff Current (V
CE
= 50 V, I
B
= 0)
Emitter-Base Cutoff Current
MMUN2211RLT1
(V
EB
= 6.0 V, I
C
= 0)
MMUN2212RLT1
MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2216RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
MMUN2238RLT1
MMUN2241RLT1
MMUN2242RLT1
Collector-Base Breakdown Voltage (I
C
=10mA, I
E
=0)
Collector-Emitter Breakdown Voltage
(3)
(I
C
=2.0mA, I
B
=0)
V
(BR)CBO
V
(BR)CEO
h
FE
Vdc
Vdc
ON CHARACTERISTICS
(3)
DC Current Gain
(V
CE
= 10 V, I
C
= 5.0 mA)
MMUN2211RLT1
MMUN2212RLT1
MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2216RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
MMUN2238RLT1
MMUN2241RLT1
MMUN2242RLT1
Collector-Emitter Saturation Voltage (I
C
=10mA, I
E
=0.3mA)
(I
C
= 10 mA, I
B
= 5 mA) MMUN2230RLT1 MMUN2231RLT1
(I
C
= 10 mA, I
B
= 1 mA) MMUN2215RLT1 MMUN2216RLT1
MMUN2232RLT1 MMUN2233RLT1 MMUN2234RLT1
MMUN2235RLT1 MMUN2238RLT1 MMUN2241RLT1
MMUN2242RLT1
2. Pulse Test:Pulse Width<300µs,Duty Cycle<2.0%
V
CE(sat)
Vdc
MMUN2211RLT1-2/10
LESHAN RADIO COMPANY, LTD.
MMUN2211RLT1 SERIES
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
(3)
Min
Typ
Max
Unit
Vdc
ON CHARACTERISTICS
Output Voltage (on)
(V
CC
=5.0V,V
B
=2.5V, R
L
=1.0kΩ)
MMUN2211RLT1
MMUN2212RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2216RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
(V
CC
=5.0V,V
B
=3.5V, R
L
= 1.0kΩ)
MMUN2235RLT1
MMUN2238RLT1
MMUN2213RLT1
MMUN2241RLT1
MMUN2242RLT1
Output Voltage(off)(V
CC
=5.0V,V
B
=0.5V, R
L
=1.0kΩ)
(V
CC
=5.0V,V
B
=0.050V, R
L
=1.0kΩ)
MMUN2230RLT1
(V
CC
=5.0V,V
B
=0.25V, R
L
=1.0kΩ)
MMUN2215RLT1
MMUN2216RLT1
MMUN2233RLT1
MMUN2238RLT1
MMUN2211RLT1
MMUN2212RLT1
MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1
MMUN2216RLT1
MMUN2230RLT1
MMUN2231RLT1
MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
MMUN2238RLT1
MMUN2241RLT1
Resistor Ratio
MMUN2242RLT1
MMUN2211RLT1 MMUN2212RLT1 MMUN2213RLT1
MMUN2214RLT1
MMUN2215RLT1 MMUN2216RLT1 MMUN2238RLT1
MMUN2241RLT1
MMUN2230RLT1 MMUN2231RLT1 MMUN2232RLT1
MMUN2233RLT1
MMUN2234RLT1
MMUN2235RLT1
MMUN2242RLT1
3. Pulse Test: Pulse Width < 300
µs,
Duty Cycle < 2.0%
V
OL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
OH
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
0.2
-
Vdc
Input Resistor
R1
7.0
15.4
32.9
7.0
7.0
3.3
0.7
1.5
3.3
3.3
15.4
1.54
1.54
70
10
22
47
10
10
4.7
1.0
2.2
4.7
4.7
22
2.2
2.2
100
4.7
1.0
0.21
—
—
1.0
0.1
0.47
0.047
0.476
13
28.6
61.1
13
13
6.1
1.3
2.9
6.1
6.1
28.6
2.86
2.86
130
6.11
1.2
0.25
—
—
1.2
0.185
0.56
0.056
0.588
k
Ω
R1/R2
3.29
0.8
0.17
—
—
0.8
0.055
0.38
0.038
0.385
MMUN2211RLT1-3/10
LESHAN RADIO COMPANY, LTD.
MMUN2211RLT1 SERIES
TYPICAL ELECTRICAL CHARACTERISTICS
MMUN2211RLT1
P
D
, POWER DISSIPATION (MILLIWATTS)
250
V
CE(sat)
, MAXIMUM COLLECTOR VOLTAGE (VOLTS)
1
I
C
/I
B
=10
T
A
= –25°C
0.1
200
150
25°C
75°C
100
0.01
50
R
θJA
= 625°C/W
0
–50
0
50
10
150
0.001
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
Figure 1. Derating Curve
h
FE
, DC CURRENT GAIN (NORMALIZED)
I
C
, COLLECTOR CURRENT (mA)
Figure 2. V
CE(sat)
versus I
C
1000
4
V
CE
= 10 V
f = 1 MHz
T
A
=75°C
25°C
–25°C
100
C ob , CAPACITANCE (pF)
3
l
E
= 0 V
T
A
= 25°C
2
1
10
1
10
100
0
0
10
20
30
40
50
I
C
, COLLECTOR CURRENT (mA)
Figure 3. DC Current Gain
V
R
, REVERSE BIAS VOLTAGE (VOLTS)
Figure 4. Output Capacitance
100
25°C
10
I
C
, COLLECTOR CURRENT (mA)
10
T
A
= –25°C
V
in
, INPUT VOLTAGE (VOLTS)
75°C
V
O
= 0.2 V
T
A
= –25°C
25°C
75°C
1
1
0.1
0.01
0.001
0
1
2
3
4
5
6
7
V
O
= 5 V
8
9
10
0.1
0
10
20
30
40
50
V
in
, INPUT VOLTAGE (VOLTS)
Figure 5. Output Current vs. Input Voltage
I
C
,COLLECTOR CURRENT (mA)
Figure 6. Input Voltage Output Current
MMUN2211RLT1-4/10
LESHAN RADIO COMPANY, LTD.
MMUN2211RLT1 SERIES
TYPICAL ELECTRICAL CHARACTERISTICS
MMUN2212RLT1
h
FE
, DC CURRENT GAIN (NORMALIZED)
V
CE(sat)
, MAXIMUM COLLECTOR VOLTAGE (VOLTS)
1
1000
I
C
/I
B
=10
V
CE
= 10 V
T
A
=75°C
25°C
–25°C
T
A
= –25°C
25°C
0.1
75°C
100
0.01
0.001
0
20
40
60
80
10
1
10
100
I
C
, COLLECTOR CURRENT (mA)
I
C
, COLLECTOR CURRENT (mA)
Figure 7. V
CE(sat)
versus I
C
4
100
Figure 8. DC Current Gain
75°C
25°C
T
A
= –25°C
I
C
, COLLECTOR CURRENT (mA)
C ob , CAPACITANCE (pF)
f = 1 MHz
l
E
= 0 V
3
10
T
A
= 25°C
1
2
0.1
1
0.01
0.001
0
1
2
3
4
5
6
7
8
V
O
= 5 V
9
10
0
0
10
20
30
40
50
V
R
, REVERSE BIAS VOLTAGE (VOLTS)
V
in
, INPUT VOLTAGE (VOLTS)
Figure 9. Output Capacitance
Figure 10. Output Current vers vs. Input Voltage
100
V
in
, INPUT VOLTAGE (VOLTS)
V
O
= 0.2 V
T
A
= –25°C
10
75°C
25°C
1
0.1
0
10
20
30
40
50
I
C
, COLLECTOR CURRENT (mA)
Figure 11. Input Voltage vs. Output Current
MMUN2211RLT1-5/10
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