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DTC643TK Dataheets PDF



Part Number DTC643TK
Manufacturers Rohm
Logo Rohm
Description Digital transistors (built-in resistor)
Datasheet DTC643TK DatasheetDTC643TK Datasheet (PDF)

DTC643TU / DTC643TK Transistors Digital transistors (built-in resistor) DTC643TU / DTC643TK !Features In addition to the features of regular digital transistors. 1) Low saturation voltage, typically VCE (sat) =40mV at IC / IB=50mA / 2.5mA, makes these transistors ideal for muting circuits. 2) These transistors can be used at high current levels, IC=600mA. !External dimensions (Unit : mm) UMT3 (1) 2.0±0.2 1.3±0.1 0.9±0.1 0.2 0.7±0.1 0.65 0.65 (2) 1.25±0.1 2.1±0.1 0−0.1 (3) 0.1 0..

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DTC643TU / DTC643TK Transistors Digital transistors (built-in resistor) DTC643TU / DTC643TK !Features In addition to the features of regular digital transistors. 1) Low saturation voltage, typically VCE (sat) =40mV at IC / IB=50mA / 2.5mA, makes these transistors ideal for muting circuits. 2) These transistors can be used at high current levels, IC=600mA. !External dimensions (Unit : mm) UMT3 (1) 2.0±0.2 1.3±0.1 0.9±0.1 0.2 0.7±0.1 0.65 0.65 (2) 1.25±0.1 2.1±0.1 0−0.1 (3) 0.1 0.3 + −0 0.15±0.05 !Structure NPN digital transistor (Built-in resistor type) (1) Emitter (2) Base (3) Collector Each lead has same dimensions Abbreviated symbol : R03 SMT3 2.9±0.2 1.9±0.2 0.95 0.95 0.2 1.1 + −0.1 0.8±0.1 !Equivalent circuit (1) (2) (3) 0.2 1.6 + −0.1 2.8±0.2 C B R R=4.7kΩ E (1) Emitter (2) Base (3) Collector 0.1 0.4 + −0.05 0.1 0.15 + −0.06 Each lead has same dimensions Abbreviated symbol : R03 B : Base C : Collector E : Emitter !Absolute maximum ratings (Ta=25°C) 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 20 20 12 600 200 150 −55 to +150 Unit V V V mA mW °C °C 0.3Min. 0.1Min. 1/2 DTC643TU / DTC643TK Transistors !Electrical characteristics (Ta=25°C) Parameter Symbol Min. Typ. Max. Unit Conditions BVCBO Collector-base breakdown voltage 20 − − V IC=50µA Collector-emitter breakdown voltage BVCEO 20 − − V IC=1mA Emitter-base breakdown voltage BVEBO 12 − − V IE=50µA Collector cutoff current ICBO − − 0.5 µA VCB=20V − − 0.5 µA VEB=12V IEBO Emitter cutoff current Collector-emitter saturation voltage VCE (sat) − 40 150 mV IC / IB=50mA / 2.5mA hFE 820 − 2700 − VCE=5V, IC=50mA DC current transfer ratio Input resistance 3.29 4.7 6.11 kΩ R1 − Transition frequency fT − 150 − MHz VCE=10V, IE= −50mA, f=100MHz Output "ON" resistance Ron − 0.55 − Ω VI=5V, RL=1kΩ, f=1MHz ∗Transition frequency of the device. ∗ !Packaging specifications and hFE Package Type Packaging type Code Basic ordering unit (pieces) DTC643TU DTC643TK − UMT3 Taping T106 3000 SMT3 Taping T146 3000 − !Electrical characteristic curves 10000 VCE=5V 10000 IC / IB=20 / 1 1000 COLLECTOR SATURATION VOLTAGE : VCE (sat) (mV) 100°C 25°C −40°C 1000 ON RESISTANCE : Ron (Ω) DC CURRENT GAIN : hFE 100 Ta=25°C f=1kHz RL=1kΩ hFE=1500 (5V / 50mA) 1000 100 100°C 10 10 −40°C 25°C 1 100 0.1 1 10 100 1000 1 0.1 1 10 100 1000 0.1 0.1 1 10 100 COLLECTOR CURRENT : IC (mA) COLLECTOR CURRENT : IC (mA) INPUT VOLTAGE : VI (V) Fig.1 DC Current Gain vs. Collector Current Fig.2 Collector-Emitter Saturation Voltage vs. Collector Current Fig.3 "ON" resistance vs. Input Voltage !Ron measurement circuit RL=1kΩ Ron= v0 ×RL vi−v0 Input vi 100mV (rms) f=1kHz Output V v 0 vI Fig.4 Output "ON" resistance (Ron) measurement circuit 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, transportati.


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