RN1544 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) (Bias Resistor built-in Transistor) RN1544 For use in Muting and Switching Applications. · · Unit: mm Emitter-base voltage is high: VEBO = 25 V (max) Incorporating a bias resistor into a transistor reduces parts count. Reducing the parts count enable the manufacture of ever more compact equipment and save assembly cost. Equivalent Circuit C B R1 hFE classification A B Marking 44A 44B E Maximum Ratings (Ta = 25°C) (Q1, Q2 common) Characteristics JEDEC ― JEITA ― Symbol Rating Unit Collector-base voltage VCBO 50 V TOSHIBA Collector-emitter voltage VCEO 20 V Weight: Emitter-base voltage VEBO 25 V IC 300 mA 300 mW Tj 150 °C Tstg -55~150 °C Collector current Collector power dissipation Junction temperature Storage temperature range PC (Note1) 2-3L1A g (typ.) 5 4 Q1 Q2 Note1: Total rating 1 2 3 Equivalent Circuit (top view) 1 2002-01-29 RN1544 Electrical Characteristics (Ta = 25°C) (Q1, Q2 common) Characteristics Symbol Test Condition Min Typ. Max Unit Collector cut-off current ICBO VCB = 50 V, IE = 0 ¾ ¾ 100 nA Emitter cut-off current IEBO VEB = 25 V, IC = 0 ¾ ¾ 100 nA VCE = 2 V, IC = 4 mA 200 ¾ 1200 VCE (sat) IC = 10 mA, IB = 1 mA ¾ ¾ 0.1 V fT VCE = 6 V, IC = 4 mA ¾ 30 ¾ MHz VCB = 10 V, IE = 0, f = 1 MHz ¾ ¾ 7 pF 1.54 2.2 2.86 kW hFE DC current gain (Note2) Collector-emitter saturation voltage Transition frequency Collector output capacitance Cob Input resistor R1 Note2: hFE classification ¾ A: 200~700, B: 350~1200 2 2002-01-29 RN1544 RESTRICTIONS ON PRODUCT USE 000707EAA · 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. 3 2002-01-29