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2SB908
TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT process)
2SB908
Switching Applications Hammer Drive, Pulse Motor Drive Applications Power Amplifier Applications
* * * High DC current gain: hFE (1) = 2000 (min) (VCE = -2 V, IC = -1 A) Low saturation voltage: VCE (sat) = -1.5 V (max) (IC = -3 A) Complementary to 2SD1223 Unit: mm
Absolute Maximum Ratings (Ta = 25C)
Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature range Ta = 25C Tc = 25C Symbol VCBO VCEO VEBO IC IB PC Tj Tstg Rating -100 -80 -5 -4 -0.4 1.0 15 150 -55 to 150 Unit V V V A A W C C
JEDEC JEITA TOSHIBA
2-7B1A
Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/Derating Concept and Methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc).
Weight: 0.36 g (typ.)
Equivalent Circuit
COLLECTOR BASE
4.5 k
300
JEDEC
EMITTER
2-7J1A
JEITA TOSHIBA
Weight: 0.36 g (typ.)
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2SB908
Electrical Characteristics (Ta = 25C)
Characteristics Collector cut-off current Emitter cut-off current Collector-emitter breakdown voltage DC current gain Collector-emitter saturation voltage Base-emitter saturation voltage Turn-on time Symbol ICBO IEBO V (BR) CEO hFE (1) hFE (2) VCE (sat) VBE (sat) ton IB2 IB1 Switching time Storage time tstg Test Condition VCB = -100 V, IE = 0 VEB = -5 V, IC = 0 IC = -10 mA, IB = 0 VCE = -2 V, IC = -1 A VCE = -2 V, IC = -3 A IC = -3 A, IB = -6 mA IC = -3 A, IB = -6 mA OUTPUT 10 Min -80 2000 1000 Typ. 0.15 Max -20 -2.5 -1.5 -2.0 V V Unit A mA V
IB2 IN I PUT B1
0.80
s
20 s Fall time tf
VCC -30 V 0.40
-IB1 = IB2 = 6 mA, DUTY CYCLE 1%
Marking
B908
Part No. (or abbreviation code) Lot No. A line indicates lead (Pb)-free package or lead (Pb)-free finish.
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2SB908
IC - VCE
-5 Common emitter Tc = 25C -4 -500 -3 -450 -400 -350 -300 -4 -5
IC - VCE
Common emitter Tc = 100C
(A)
Collector current IC
Collector current IC
(A)
-3
-300 -250
-2
-200 -175
-1
-250 IB = -200 A
-1
-150 IB = -125 A 0 -1 -2 -3 -4 -5 -6
0 0
0 -1 -2 -3 -4 -5 -6
0 0
Collector-emitter voltage
VCE (V)
Collector-emitter voltage
VCE (V)
IC - VCE
-5 Common emitter Tc = -55C 10000
hFE - IC
DC current gain hFE
(A)
-4
5000 3000
Tc = 100C 25 -55
Collector current IC
-3
-800 -700
-2
-600 -500
1000 Common emitter VCE = -2 V 300 -0.1 -0.3 -1 -3 -10
500
-1
IB = -400 A 0 -1 -2 -3 -4 -5 -6
0 0
Collector current IC
(A)
Collector-emitter voltage
VCE (V)
VCE (sat) - IC
Collector-emitter saturation voltage VCE (sat) (V)
-5
VBE (sat) - IC
-10
Base-emitter saturation voltage VBE (sat) (V)
Common emitter IC/IB = 500 -5 -3 Tc = -55C 25 -1 100
Common emitter -3 IC/IB = 500
-1
Tc = -55C 25 100
-0.5 -0.3 -0.1
-0.3
-1
-3
-0.5 -0.1
-0.3
-1
-3
Collector current IC
(A)
Collector current IC
(A)
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2SB908
IC - VBE
-5 Common emitter -10
Safe Operating Area
IC max (pulsed)* -5 IC max (continuous) -3 1 ms* 10 ms*
(A)
-4
VCE = -2 V
Collector current IC
Collector current IC
-3
100 Tc = -55C 25
(A)
-1 -0.5 -0.3 DC operation Tc = 25C -2 -1
*: Single nonrepetitive pulse -0.1 Tc = 25C Curves must be derated linearly with increase in temperature. -0.04 -1 VCEO max -30 -100
0 0
-0.8
-1.6
-2.4
-3.2
-4.0
-4.8
Base-emitter voltage
VBE (V)
-3
-10
Collector-emitter voltage
VCE (V)
PC - Ta
20
PC (W)
16
(1)
(1) Tc = Ta infinite heat sink (2) Ceramic substrate 50 x 50 x 0.8 mm (3) No heat sink
Collector power dissipation
12
8
4
(2) (3)
0 0
40
80
120
160
200
240
Ambient temperature Ta (C)
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2SB908
RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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2006-11-21

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