This product complies with the RoHS Directive (EU 2002/95/EC). Transistors 2SC3940, 2SC3940A Silicon NPN epitaxial planar type Unit: mm 5.00.2 4.00.2 For low-frequency output amplification and driver amplification Complementary to 2SA1534, 2SA1534A Features 0.70.1 Low collector-emitter saturation voltage V CE(sat) Allowing supply with the radial taping Absolute Maximum Ratings T = 25C a Parameter Symbol Rating Unit +0.15 2SC3940 V 30 V +0.2 0.45 Collector-base voltage 0.1 CBO 0.45 0.1 (Emitter open) 2SC3940A 60 (1.27) (1.27) 2SC3940 V 25 V Collector-emitter voltage CEO 1: Emitter 132 2: Collector (Base open) 2SC3940A 50 2.540.15 3: Base Emitter-base voltage (Collector open) V 5V EBO TO-92NL-A1 Package Collector current I 1A C Peak collector current I 1.5 A CP Collector power dissipation P 1W C Junction temperature T 150 C j Storage temperature T 55 to +150 C stg Electrical Characteristics T = 25C 3C a Parameter Symbol Conditions Min Typ Max Unit 2SC3940 V I = 10 A, I = 0 30 V Collector-base voltage CBO C E (Emitter open) 2SC3940A 60 2SC3940 V I = 2 mA, I = 025 V Collector-emitter voltage CEO C B (Base open) 2SC3940A 50 Emitter-base voltage (Collector open) V I = 10 A, I = 05 V EBO E C Collector-base cutoff current (Emitter open) I V = 20 V, I = 0 0.1 A CBO CB E 1 2 * * Forward current transfer ratio h V = 10 V, I = 500 mA 85 340 FE1 CE C h V = 5 V, I = 1 A 50 FE2 CE C 1 * Collector-emitter saturation voltage V I = 500 mA, I = 50 mA 0.2 0.4 V CE(sat) C B 1 * Base-emitter saturation voltage V I = 500 mA, I = 50 mA 0.85 1.20 V BE(sat) C B Transition frequency f V = 10 V, I = 50 mA, f = 200 MHz 200 MHz T CB E Collector output capacitance C V = 10 V, I = 0, f = 1 MHz 11 20 pF ob CB E (Common base, input open circuited) Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors. 2. 1: Pulse measurement * 2: Rank classification * Rank Q R S h 85 to 170 120 to 240 170 to 340 FE1 Publication date: March 2003 SJC00150BED 1 Maintenance/ Discontinued Maintenance/Discontinued includes following four Product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type Please visit following URL about latest information. This product complies with the RoHS Directive (EU 2002/95/EC). 2SC3940, 2SC3940A P T I V I I C a C CE C B 1.5 1.2 1.2 T = 25C a V = 10 V CE T = 25C a 1.25 1.0 1.0 I = 10 mA B 9 mA 8 mA 1.0 0.8 0.8 7 mA 6 mA 0.75 5 mA 0.6 0.6 4 mA 3 mA 0.5 0.4 0.4 2 mA 0.25 0.2 0.2 1 mA 0 0 0 01264 80 0 40 80 120 160 01264 8 102 ( ) ( ) Collector-emitter voltage V V Ambient temperature T C Base current I (mA) CE a B V I V I h I CE(sat) C BE(sat) C FE C 100 10 600 I / I = 10 I / I = 10 C B C B V = 10 V CE 500 10 1 T = 75C a 400 25C 25C T = 25C a 25C 1 0.1 300 75C T = 75C a 200 25C 0.1 0.01 25C 100 0.01 0.001 0 0.01 0.1 1 10 0.01 0.1 1 10 0.01 0.1 1 10 ( ) Collector current I A Collector current I (A) Collector current I (A) C C C f I C V V R T E ob CB CER BE 200 50 120 V = 10 V CB I = 0 E I = 10 mA T = 25C C a f = 1 MHz T = 25C a T = 25C a 100 160 40 80 120 30 60 2SC3940A 80 20 40 2SC3940 40 10 20 0 0 0 1 10 100 1 10 100 0.1 1 10 100 ( ) Collector-base voltage V (V) Emitter current I mA ( ) CB Base-emitter resistance R k E BE 2 SJC00150BED Maintenance/ Discontinued Maintenance/Discontinued includes following four Product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type Please visit following URL about latest information.