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SSTA28 / MMSTA28
Transistors
NPN general purpose transistor
SSTA28 / MMSTA28
Features 1) BVCES < 80V (Ic=100A) External dimensions (Unit : mm)
SSTA28
2.90.2
Package, marking and packaging specifications
Part No. Packaging type Marking Code Basic ordering unit (pieces) SSTA28 SST3 RAT T116 3000 MMSTA28 SMT3 RAT T146 3000
ROHM : SST3 JEDEC : SOT-23
(1)
1.90.2 0.95 0.95 (2)
0.95 +0.2 -0.1 0.450.1
1.3 +0.2 -0.1
2.40.2
0~0.1 0.2Min.
(3) 0.4 +0.1 -0.05 +0.1 0.15 -0.06
All terminals have same dimensions
(1) Emitter (2) Base (3) Collector
MMSTA28
2.90.2 1.90.2 0.95 0.95
Absolute maximum ratings (Ta=25C)
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Limits 80 80 12 0.3 0.2 150 -55 to +150 Unit V V V A W C C
(1)
1.1 +0.2 -0.1 0.80.1
(2)
1.6 +0.2 -0.1
(3) +0.1 0.15 -0.06 0.4 +0.1 -0.05 All terminals have same dimensions
2.80.2
0~0.1
ROHM : SMT3 EIAJ : SC-59 JEDEC : SOT-346
0.3Min.
(1) Emitter (2) Base (3) Collector
Electrical characteristics (Ta=25C)
Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Symbol BVCBO BVCES BVEBO ICBO IBEO ICES VCE(sat) 1 VCE(sat) 2 VBE(on) hFE fT COb Min. 80 80 12 - - - - - - 10000 10000 125 - Typ. - - - - - - 0.7 0.8 1.4 - - 200 5.0 Max. - - - 0.1 0.1 0.5 1.2 1.5 2.0 - - - 8.0 Unit V V V A A A V V V - MHz pF Conditions IC = 100A IC = 100A IE = 10A VCB = 60V VEB = 10V VCE = 10V IC/IB = 10mA/10A IC/IB = 100mA/0.1mA VCE/IB = 5V/100mA VCE = 5V , IC = 10mA VCE = 5V , IC = 100mA VCE = 5V , IE = 10mA , f = 100MHz VCB = 10V , IE = 0 , f = 1MHz
Collector-emitter saturation voltage Base-emitter saturation voltage DC current transfer ratio Transition frequency Output Capecitance
1/2
SSTA28 / MMSTA28
Transistors
Electrical characteristic curves
500
IC-COLLECTOR CURRENT (mA)
50 45 40 35 30 25 20 15 10 5
100
IC-COLLECTOR CURRENT (mA)
450 400 350 300 250 200 150 100 50 0
Ta=25C
90 80 70 60
1.6
1.4 1.2
Ta=25C
200k 100k
hFE-DC CURRENT GAIN
Ta=25C
VCE=5V
50k
3V
1.0 0.8
50 40 30 20 10 0
0
0.2 0.6
20k 10k
1V
0.4
5k
IB=0A
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
IB=0A
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
2k
1
2
VCE-COLLECTOR-EMITTER VOLTAGE (V)
VCE-COLLECTOR-EMITTER VOLTAGE (V)
5 10 20 50 100 200 500 1000 IC-COLLECTOR CURRENT (mA)
Fig.1 Grounded emitter output characteristics
Fig.2 Typical output characteristics
Fig.3 DC current gain vs. collector current ( )
VCE(SAT) COLLECTOR EMITTER SATURATION VOLTAGE (V)
200k
VCE=5V
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1 2
Ta= -40C 25C 125C
VCE(SAT) COLLECTOR EMITTER SATURATION VOLTAGE (V)
2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 1 2
125C Ta= -40C
Ic/IB=1000
Ic/IB=1000
100k
hFE-DC CURRENT GAIN
Ta=25C 25C
50k
-40C
20k 10k
25C
5k
2k
1
2
5 10 20 50 100 200 500 1000 IC-COLLECTOR CURRENT (mA)
5 10 20 50 100 200 500 1000 IC-COLLECTOR CURRENT (mA)
5 10 20 50 100 200 500 1000 IC-COLLECTOR CURRENT (mA)
Fig.4 DC current gain vs. collector current
Fig.5 Collecor emitter saturation voltage vs collector current
Fig.6 Base emitter saturation voltage vs collector current
2.2
VBE(ON) BASE EMITTER VOLTAGE (V)
2.0
CAPACITANCE (pF)
CURRENT GAIN-BANDWIDTH PRODUCT (MHz)
VCE=5V
100 50
f=1MHz Ta=25C
1000 500
Ta=25C VCE=10V
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 1 2 5 10 20 50 100 200 500 1000 IC-COLLECTOR CURRENT (mA)
125C Ta= -40C
20 10 5
200 100 50
25C
Cib
2 1 0.5
Cob
20 10
1 2 5 10 20 REVERSE BIAS VOLTAGE (V)
50
1
10 100 1000 IC-COLLECTOR CURRENT (mA)
Fig.7 Base emitter "ON" voltage vs collector current
Fig.8 Capacitance vs reverse bias voltage
Fig.9 Current gain-bandwdth product vs collector current
2/2
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0

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