English
Language : 

SMMBTA56LT1G Datasheet, PDF (1/5 Pages) ON Semiconductor – Driver Transistors
MMBTA55L Series,
MMBTA56L Series,
SMMBTA56L Series
Driver Transistors
PNP Silicon
Features
 AEC−Q101 Qualified and PPAP Capable
 S Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements
 These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant*
MAXIMUM RATINGS
Rating
Symbol Value
Unit
Collector −Emitter Voltage
MMBTA55
MMBTA56, SMMBTA56
VCEO
Vdc
−60
−80
Collector −Base Voltage
MMBTA55
MMBTA56, SMMBTA56
VCBO
Vdc
−60
−80
Emitter −Base Voltage
Collector Current − Continuous
THERMAL CHARACTERISTICS
VEBO
IC
−4.0
−500
Vdc
mAdc
Characteristic
Symbol
Max
Unit
Total Device Dissipation FR− 5 Board
(Note 1) TA = 25C
Derate above 25C
PD
225
mW
1.8
mW/C
Thermal Resistance, Junction−to−Ambient
Total Device Dissipation Alumina
Substrate, (Note 2) TA = 25C
Derate above 25C
RqJA
PD
556
C/W
300
mW
2.4
mW/C
Thermal Resistance, Junction−to−Ambient RqJA
417
C/W
Junction and Storage Temperature
TJ, Tstg −55 to +150 C
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. FR−5 = 1.0  0.75  0.062 in.
2. Alumina = 0.4  0.3  0.024 in. 99.5% alumina.
http://onsemi.com
SOT−23
CASE 318
STYLE 6
COLLECTOR
3
1
BASE
2
EMITTER
MARKING DIAGRAM
2xx M G
G
1
2xx = Device Code
x = H for MMBTA55LT1G
xx = GM for MMBTA56LT1G,
SMMBTA56LT1G
M = Date Code*
G = Pb−Free Package
(Note: Microdot may be in either location)
*Date Code orientation and/or overbar may
vary depending upon manufacturing location.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
 Semiconductor Components Industries, LLC, 2011
1
November, 2011 − Rev. 7
Publication Order Number:
MMBTA55LT1/D