DTC623TU / DTC623TK Transistors Digital transistors (built-in resistor) DTC623TU / DTC623TK (cid:122)Features (cid:122)External dimensions (Unit : mm) In addition to the features of regular digital transistors. UMT3 2.0±0.2 1) Low saturation voltage, typically <SC-70> 1.3±0.1 0.9±0.1 VCE (sat) =40mV at IC / IB=50mA / 2.5mA, makes these 0.650.65 0.2 0.7±0.1 transistors ideal for muting circuits. (1) (2) 2) ITCh=e6s0e0 mtraAn. sistors can be used at high current levels, ±1.250.1 ±2.10.1 0−0.1 (3) 0.3+−00.1 0.15±0.05 0.1Min. (cid:122)Structure (1) Emitter Each lead has same dimensions (2) Base NPN digital transistor (3) Collector Abbreviated symbol : R02 (Built-in resistor type) S<SMCT-539> 21..99±±00..22 1.1+−00..21 0.950.95 0.8±0.1 (cid:122)Equivalent circuit (1) (2) +0.21.6−0.1±2.80.2 (3) B R C 0.4+−00..105 0.15+−00..106 0.3Min. R=2.2kΩ E (1) Emitter Each lead has same dimensions (2) Base (3) Collector Abbreviated symbol : R02 B : Base C : Collector E : Emitter (cid:122)Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Collector-base voltage VCBO 20 V Collector-emitter voltage VCEO 20 V Emitter-base voltage VEBO 12 V Collector current IC 600 mA Collector power dissipation PC 200 mW Junction temperature Tj 150 °C Storage temperature Tstg −55 to +150 °C 1/2

DTC623TU / DTC623TK Transistors (cid:122)Electrical characteristics (Ta=25°C) Parameter Symbol Min. Typ. Max. Unit Conditions Collector-base breakdown voltage BVCBO 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 Emitter cutoff current IEBO − − 0.5 µA VEB=12V Collector-emitter saturation voltage VCE (sat) − 40 150 mV IC=50mA, IB=2.5mA DC current transfer ratio hFE 820 − 2700 − VCE=5V, IC=50mA Input resistance R1 1.54 2.2 2.86 kΩ − Transition frequency fT − 150 − MHz VCE=10V, IE= −50mA, f=100MHz ∗ Output "ON" resistance Ron − 0.4 − Ω VI=5V, RL=1kΩ, f=1kHz ∗Transition frequency of the device. (cid:122)Packaging specifications and hFE Package UMT3 SMT3 Packaging type Taping Taping Type Code T106 T146 Basic ordering unit (pieces) 3000 3000 DTC623TU − DTC623TK − (cid:122)Electrical characteristic curves 10000VCE=5V 10000 IC / IB=20 / 1 1000 Ta=25°C f=1kHz N RL=1kΩ DC CURRENT GAIN : hFE1000 −214500°0°C°CC COLLECTOR SATURATIO (mV)VOLTAGE : VCE (sat) 110100000 10−04°0C°C 25°C Ω()ON RESISTANCE : R on110100 hFE=1500 (5V / 50mA) 100 1 0.1 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 COLLECTOR CURRENT : IC (mA) COLLECTOR CURRENT : IC (mA) INPUT VOLTAGE : VI (V) Fig.1 DC Current Gain vs. Fig.2 Collector-Emitter Saturation Fig.3 "ON" resistance vs. Input Voltage Collector Current Voltage vs. Collector Current (cid:122)Ron measurement circuit RL=1kΩ Ron= viv−0v0×RL Input v1i00mV V Output (rms) v0 f=1kHz 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, 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