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TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT process)
2SA1721
2SA1721
High Voltage Control Applications
Plasma Display, Nixie Tube Driver Applications
Cathode Ray Tube Brightness Control Applications
• High voltage: V
• Low saturation voltage: V
• Small collector output capacitance: Cob = 5.5 pF (typ.)
• Complementary to 2SC4497
Maximum Ratings
Characteristics Symbol Rating Unit
Collector-base voltage V
Collector-emitter voltage V
Emitter-base voltage V
Collector current IC −100 mA
Base current IB −20 mA
Collector power dissipation PC 150 mW
Junction temperature T
Storage temperature range T
= −300 V, V
CBO
CEO
CE (sat)
= −0.5 V (max)
(Ta ==== 25°C)
= −300 V
−300 V
CBO
−300 V
CEO
−5 V
EBO
150 °C
−55~150 °C
stg
j
Marking
Unit: mm
JEDEC TO-236MOD
JEITA SC-59
TOSHIBA 2-3F1A
Weight: 0.012 g (typ.)
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2SA1721
Electrical Characteristics
Characteristics Symbol Test Condition Min Typ. Max Unit
Collector cut-off current I
Emitter cut-off current I
Collector-base breakdown voltage V
Collector-emitter breakdown voltage V
DC current gain
Collector-emitter saturation voltage V
Base-emitter saturation voltage V
Transition frequency fT VCE = −10 V, IC = −20 mA 50 55 MHz
Collector output capacitance Cob VCB = −20 V, IE = 0, f = 1 MHz 5.5 6.0 pF
Note: h
classification R: 30~90 O: 50~150
FE (1)
(Ta ==== 25°C)
(BR) CBO
(BR) CEO
h
h
CE (sat)
BE (sat)
VCB = −300 V, IE = 0 −0.1 µA
CBO
VEB = −5 V, IC = 0 −0.1 µA
EBO
IC = −0.1 mA, IE = −0 −300 V
IC = −1 mA, IB = −0 −300 V
FE (1)
FE (2)
V
= −10 V, IC = −20 mA 30 150
(Note)
CE
VCE = −10 V, IC = −1 mA 20
IC = −20 mA, IB = −2 mA −0.5 V
IC = −20 mA, IB = −2 mA −1.2 V
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2SA1721
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2SA1721
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2SA1721
A
RESTRICTIONS ON PRODUCT USE
• 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 this
document shall be made at the customer’s own risk.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
• The information contained herein is subject to change without notice.
000707EA
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