LESHAN RADIO COMPANY, LTD.
Driver Transistors
PNP Silicon
LMBTA55LT1G
LMBTA56LT1G
S-LMBTA55LT1G
S-LMBTA56LT1G
We declare that the material of product
compliance with RoHS requirements.
S- Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC-Q101
Qualified and PPAP Capable.
MAXIMUM RATINGS
Rating
3
Symbol
Value
LMBTA55 LMBTA56
Unit
Collector–Emitter Voltage
V
CEO
–60
–80
Vdc
Collector–Base Voltage
V CBO
–60
–80
Vdc
Emitter–Base Voltage
V
1
2
Collector Current — Continuous
EBO
IC
–4.0
Vdc
–500
mAdc
CASE 318–08, STYLE 6
SOT–23 (TO–236AB)
3
COLLECTOR
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
PD
225
mW
Total Device Dissipation FR– 5 Board, (1)
TA = 25°C
Derate above 25°C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate, (2) TA = 25°C
Derate above 25°C
Thermal Resistance, Junction to Ambient
Junction and Storage Temperature
R θJA
PD
1.8
556
300
mW/°C
°C/W
mW
R θJA
T J , T stg
2.4
417
–55 to +150
mW/°C
°C/W
°C
1
BASE
2
EMITTER
DEVICE MARKING
(S-)LMBTA55LT1G = 2H; (S-)LMBTA56 LT1G = 2GM
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, I B= 0 )
V
LMBTA55
LMBTA56
Emitter–Base Breakdown Voltage
V
Vdc
(BR)CEO
(BR)EBO
–60
–80
—
—
–4.0
—
Vdc
—
–0.1
µAdc
(I E = –100 µAdc, I C = 0 )
Collector Cutoff Current
( V CE = –60Vdc, I B = 0)
Collector Cutoff Current
( V CB = –60Vdc, I E= 0)
LMBTA55
—
–0.1
( V CB = –80Vdc, I E= 0)
LMBTA56
—
–0.1
I CES
µAdc
I CBO
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