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Leshan Radio Company |
LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistors
PNP Silicon Surface Mount Transistors
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.
MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
Rating
Symbol
Value
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Collector Current
IC
THERMAL CHARACTERISTICS
50
50
100
Characteristic
Symbol
Max
Total Device Dissipation
TA = 25°C
Derate above 25°C
PD 246 (Note 1.)
400 (Note 2.)
1.5 (Note 1.)
2.0 (Note 2.)
Thermal Resistance –
Junction-to-Ambient
RθJA
508 (Note 1.)
311 (Note 2.)
Thermal Resistance –
Junction-to-Lead
RθJL
174 (Note 1.)
208 (Note 2.)
Junction and Storage
Temperature Range
TJ, Tstg
–55 to +150
1. FR–4 @ Minimum Pad
2. FR–4 @ 1.0 x 1.0 inch Pad
Unit
Vdc
Vdc
mAdc
Unit
mW
°C/W
°C/W
°C/W
°C
LMUN2111LT1
SERIES
3
1
2
SOT-23
PIN 1
BASE
(INPUT)
R1
R2
PIN 3
COLLECTOR
(OUTPUT)
PIN 2
EMITTER
(GROUND)
MARKINGDIAGRAM
A6x M
A6x = Device Marking
x = A – L(See Page 2)
M = Date Code
DEVICE MARKING
INFORMATION
See specific marking information in
the device marking table on page 2 of this
data sheet.
LMUN2111-1/8
LESHAN RADIO COMPANY, LTD.
LMUN2111LT1 Series
DEVICE MARKING AND RESISTOR VALUES
Device
LMUN21110LT1
LMMUN2110LT3
Package
SOT-23
Marking
A6O
LMUN2111LT1
LMMUN2111LT3
SOT-23
A6A
LMUN2112LT1
LMUN2112LT3
SOT-23
A6B
LMUN2113LT1
LMUN2113LT3
SOT-23
A6C
LMUN2114LT1
LMUN2114LT3
SOT-23
A6D
LMUN2115LT1 (Note 3.)
LMUN2115LT3
SOT-23
A6E
LMUN2116LT1 (Note 3.)
LMUN2116LT3
SOT-23
A6F
LMUN2130LT1 (Note 3.)
LMUN2130LT3
SOT-23
A6G
LMUN2131LT1 (Note 3.)
LMUN2131LT3
SOT-23
A6H
LMUN2132LT1 (Note 3.)
LMUN2132LT3
SOT-23
A6J
LMUN2133LT1 (Note 3.)
LMUN2133LT3
SOT-23
A6K
LMUN2134LT1 (Note 3.)
LMUN2134LT3
SOT-23
A6L
R1 (K)
47
10
22
47
10
10
4.7
1.0
2.2
4.7
4.7
22
R2 (K)
10
22
47
47
1.0
2.2
4.7
47
47
Shipping
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
3000/Tape & Reel
10,000/Tape & Reel
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max Unit
OFF CHARACTERISTICS
Collector-Base Cutoff Current (VCB = 50 V, IE = 0)
Collector-Emitter Cutoff Current (VCE = 50 V, IB = 0)
Emitter-Base Cutoff Current
(V EB = 6.0 V, IC = 0)
LMUN2110LT1
LMUN2111LT1
LMUN2112LT1
LMUN2113LT1
LMUN2114LT1
LMUN2115LT1
LMUN2116LT1
LMUN2130LT1
LMUN2131LT1
LMUN2132LT1
LMUN2133LT1
LMUN2134LT1
ICBO
ICEO
IEBO
Collector-Base Breakdown Voltage (IC = 10 µA, IE = 0)
V(BR)CBO
Collector-Emitter Breakdown Voltage (Note 4.)
(IC = 2.0 mA, IB = 0)
V(BR)CEO
3. New devices. Updated curves to follow in subsequent data sheets.
4. Pulse Test: Pulse Width < 300 µs, Duty Cycle < 2.0%
-
-
–
–
–
–
–
–
–
–
–
–
–
–
50
50
- 100 nAdc
- 500 nAdc
– 0.1 mAdc
– 0.5
– 0.2
– 0.1
– 0.2
– 0.9
– 1.9
– 4.3
– 2.3
– 1.5
– 0.18
– 0.13
- - Vdc
- - Vdc
LMUN2111–2/8
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