Ordering number : EN3971 NPN Epitaxial Planar Silicon Transistor 2SD1908 CRT Display Horizontal Deflection Output Applications Features Package Dimensions • Fast switching speed. unit: mm • Especially suited for use in high-definition CRT display : 2049B-TO-220MF VCC=6 to 12V. • Wide ASO and highly resistant to breakdown. [2SD1908] E : Emitter C : Collector B : Base SANYO : TO-220MF Specifications Absolute Maximum Ratings at Ta=25°C Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Base Current Collector Dissipation Symbol VCBO VCEO VEBO IC ICP IB PC Junction Temperature Storage Temperature Tj Tstg Conditions Ratings 330 150 6 7 12 4 1.65 50 150 –55 to +150 Tc=25°C Unit V V V A A A W W °C °C Electrical Characteristics at Ta=25°C Parameter Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain-Bandwidth Product C-E Saturation Voltage B-E Saturation Voltage C-B Breakdown Voltage C-E Breakdown Voltage E-B Breakdown Voltage Fall Time Symbol ICBO IEBO hFE(1) hFE(2) fT VCE(sat) VBE(sat) V(BR)CBO V(BR)CEO V(BR)EBO tf Conditions VCB=200V, IE=0 VEB=5V, IC=0 VCE=1V, IC=1A VCE=1V, IC=5A VCE=10V, IC=0.5A IC=5A, IB=0.5A IC=5A, IB=0.5A IC=1mA, IE=0 IC=1mA, RBE=∞ IE=1mA, IC=0 IC=5A, IB1=–IB2=0.5A Ratings min 15 10 10 typ max 100 100 Unit µA mA 50 40 1 1.2 330 150 6 0.5 MHz V V V V V µs SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 11697YK (KOTO) 8-0537 No.3971-1/3 2SD1908 Switching Time Test Circuit No.3971-2/3 2SD1908 No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property lose. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 1997. Specifications and information herein are subject to change without notice. No.3971-3/3