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QST3
Transistors
General purpose amplification (-30V, -5A)
QST3
Application Low frequency amplifier Driver External dimensions (Unit : mm)
2.8 1.6
(1)
(4) (5) (6)
Features 1) Collector current is large. 2) Collector saturation voltage is low. -250mV VCE(sat) At IC = -2A / IB = -40mA
0.4
0.16
(3) (2)
ROHM : TSMT6
Each lead has same dimensions
Abbreviated symbol : T03
Absolute maximum ratings (Ta=25C)
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage
Collector current Power dissipation
Equivalent circuit
Unit V V V A A 1 mW 2 W 3 C C
6pin 5pin 4pin
Symbol VCBO VCEO VEBO IC ICP PC
Junction temperature Tj Range of storage temperature Tstg 1 Single pulse, Pw=1ms 2 Each Terminal Mounted on a Recommended 3 Mounted on a 25mmx25mmx t 0.8mm Ceramic substrate
Limits -30 -30 -6 -5 -8 500 1.25 150 -55 to +150
1pin
2pin
3pin
Electrical characteristics (Ta=25C)
Parameter Collector-base breakdown voltage
Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current Collector-emitter saturation voltage DC current gain Transition frequency Corrector output capacitance Pulsed
Symbol BVCBO BVCEO BVEBO ICBO IEBO VCE(sat) hFE fT Cob
Min. -30 -30 -6 - - - 270 - -
Typ. - - - - - -170 - 200 60
Max. - - - -100 -100 -250 680 - -
Unit V V V nA nA mV - MHz pF
Conditions IC= -10A IC= -1mA IE= -10A VCB= -30V VEB= -6V IC= -2A, IB= -40mA VCE= -2V, IC= -500mA VCE= -2V, IE=500mA, f=100MHz VCB= -10V, IE=0A, f=1MHz
0.85
Rev.B
2.9
1/2
QST3
Transistors
Packaging specifications
Package
Type QST3
Taping
TR 3000
Code Basic ordering unit (pieces)
Electrical characteristic curves
BASE SATURATION VOLTAGE : VBE (sat) (V) COLLECTOR SATURATION VOLTAGE : VCE (sat) (V)
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
1000
Ta=25C Ta=125C Ta= -40C
10 IC/IB=20/1 Pulsed 1
VBE(sat)
1
DC CURRENT GAIN : hFE
Ta= -40C Ta=125C Ta=25C
IC/IB=50/1 Pulsed
IC/IB=50/1 IC/IB=20/1 IC/IB=10/1
Ta=25C Ta= -40C Ta=125C
0.1
100
0.1
0.01
0.01
VCE(sat)
VCE=2V Pulsed 10 0.001 0.01
0.1
1
10
0.001 0.001
0.01
0.1
1
10
0.001 0.001
0.01
0.1
1
10
COLLECTOR CURRENT : IC (A)
COLLECTOR CURRENT : IC (A)
COLLECTOR CURRENT : IC (A)
Fig.1 DC current gain vs. collector current
Fig.2 Collector-emitter saturation voltage base-emitter saturation voltage vs. collector current
Fig.3 Collector-emitter saturation voltage vs. collector current
10
TRANSITION FREQUENCY : fT (MHz)
COLLECTOR CURRENT : IC (A)
VCE=2V Pulsed
1000
EMITTER INPUT CAPACITANCE : Cib (pF) COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
Ta=25C VCE= -2V f=100MHz
10000 IC/IB=20/1 Pulsed
IC=0A f=1MHz Ta=25C
1
Ta=25C
Ta=125C
Ta= -40C
1000
Cib
0.1
100
100
Cob
0.01
0.001
0
1
10
10 0.01
0.1
1
10
10 0.001
0.01
0.1
1
10
100
BASE TO EMITTER CURRENT : VBE (V)
EMITTER CURRENT : IE (A)
EMITTER TO BASE VOLTAGE : VEB (V) COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.4 Grounded emitter propagation characteristics
Fig.5 Gain bandwidth product vs. emitter current
Fig.6 Collector output capacitance vs. collector-base voltage Emitter input capacitance vs. emitter-base voltage
Rev.B
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 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-Rev1.1

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