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.
UN2211LT1 Series
LMUN2211LT1
SERIES
3
1
2
SOT–23 (TO–236AB)
•
Simplifies Circuit Design
•
Reduces Board Space and 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 the13 inch/10,000 unit reel.
MAXIMUM RATINGS
(TA = 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
*246
1.5
Unit
Vdc
Vdc
mAdc
mW
°C/W
PIN 3
PIN 1
BASE
(INPUT)
R
1
COLLECTOR
(OUTPUT)
PIN 2
EMITTER
(GROUND)
R
2
•
Pb−Free Package May be Available.
The G−Suffix Denotes a Pb−Free
Lead Finish
ORDERING INFORMATION
Device
LMUN2211LT1G
LMUN2212LT1G
LMUN2213LT1G
LMUN2214LT1G
LMUN2215LT1G
LMUN2216LT1G
LMUN2230LT1G
LMUN2231LT1G
LMUN2232LT1G
LMUN2233LT1G
LMUN2234LT1G
LMUN2235LT1G
LMUN2238LT1G
LMUN2241LT1G
Package
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
SOT–23
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
LMUN2211LT1
LMUN2212LT1
LMUN2213LT1
LMUN2214LT1
LMUN2215LT1
LMUN2216LT1
LMUN2230LT1
LMUN2231LT1
LMUN2232LT1
LMUN2233LT1
LMUN2234LT1
LMUN2235LT1
LMUN2238LT1
LMUN2241LT1
Marking
A8A
A8B
A8C
A8D
A8E
A8F
A8G
A8H
A8J
A8K
A8L
A8M
A8R
A8U
R1(K)
10
22
47
10
10
4.7
1.0
2.2
4.7
4.7
22
2.2
2.2
100
R2(K)
10
22
47
47
∞
∞
1.0
2.2
4.7
47
47
47
∞
∞
1. Device mounted on a FR-4 glass epoxy printed circuit board using the
minimum recommended footprint.
LMUN2211S-1/11
LRC [ LESHAN RADIO COMPANY ]
