LESHAN RADIO COMPANY, LTD.
General Purpose Transistor
• Pb−Free Package May be Available. The G−Suffix Denotes a
LMBT3908LT1G
S-LMBT3908LT1G
Pb−Free Lead Finish
• S- Prefix for Automotive and Other Applications Requiring Unique Site
and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable.
ORDERING INFORMATION
3
Device
Marking
Shipping
LMBT3908LT1G
1AM
1AM
3000/Tape & Reel
10000/Tape & Reel
S-LMBT3908LT1G
LMBT3908LT3G
S-LMBT3908LT3G
1AM
1
1AM
MAXIMUM RATINGS
Rating
2
Symbol
Value
40
Unit
Vdc
SOT–23
Collector–Emitter Voltage
Collector–Base Voltage
Emitter–Base Voltage
V CEO
V CBO
V EBO
I C
60
Vdc
3
COLLECTOR
6.0
Vdc
Collector Current — Continuous
200
mAdc
1
BASE
THERMAL CHARACTERISTICS
Characteristic
2
EMITTER
Symbol
Max
Unit
Total Device Dissipation FR– 5 Board, (1)
TA = 25°C
PD
225
mW
Derate above 25°C
1.8
556
300
mW/°C
°C/W
mW
Thermal Resistance, Junction to Ambient
Total Device Dissipation
RθJA
PD
Alumina Substrate, (2) TA = 25°C
Derate above 25°C
2.4
mW/°C
°C/W
°C
Thermal Resistance, Junction to Ambient
Junction and Storage Temperature
RθJA
417
TJ , Tstg
–55 to +150
DEVICE MARKING
LMBT3908LT1G = 1AM
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Max
Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage(3)
(I C = 1.0 mAdc)
V (BR)CEO
V (BR)CBO
V (BR)EBO
I BL
40
60
6.0
—
—
—
—
50
50
Vdc
Vdc
Collector–Base Breakdown Voltage
(I C = 10 µAdc)
Emitter–Base Breakdown Voltage
(I E = 10 µAdc)
Vdc
Base Cutoff Current
nAdc
nAdc
( V CE= 30 Vdc, V EB = 3.0 Vdc, )
Collector Cutoff Current
I CEX
—
( V CE = 30Vdc, V EB = 3.0Vdc )
1. FR–5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
3. Pulse Test: Pulse Width
<300 µs, Duty Cycle <2.0%.
Rev.O 1/7