This product complies with the RoHS Directive (EU 2002/95/EC). Transistors 2SC3938 Silicon NPN epitaxial planar type For high-speed switching Unit: mm +0.10 +0.1 0.15 0.3 0.0 0.05 Features 3 Low collector-emitter saturation voltage V CE(sat) S-Mini type package, allowing downsizing of the equipment and automatic insertion through the tape packing 1 2 Absolute Maximum Ratings T = 25C (0.65) (0.65) a 1.30.1 Parameter Symbol Rating Unit 2.00.2 Collector-base voltage (Emitter open) V 40 V CBO 10 Collector-emitter voltage (E-B short) V 40 V CES Emitter-base voltage (Collector open) V 5V EBO 1: Base Collector current I 100 mA C 2: Emitter 3: Collector Peak collector current I 300 mA CP EIAJ: SC-70 Collector power dissipation P 150 mW C SMini3-G1 Package Junction temperature T 150 C j Marking Symbol: 2Y Storage temperature T 55 to +150 C stg Electrical Characteristics T = 25C 3C a Parameter Symbol Conditions Min Typ Max Unit Collector-base cutoff current (Emitter open) I V = 40 V, I = 0 0.1 A CBO CB E Emitter-base cutoff current (Collector open) I V = 4 V, I = 0 0.1 A EBO EB C * Forward current transfer ratio h V = 1 V, I = 10 mA 60 200 FE CE C Collector-emitter saturation voltage V I = 10 mA, I = 1 mA 0.17 0.25 V CE(sat) C B Base-emitter saturation voltage V I = 10 mA, I = 1 mA 1 V BE(sat) C B Transition frequency f V = 10 V, I = 10 mA, f = 200 MHz 450 MHz T CB E Collector output capacitance C V = 10 V, I = 0, f = 1 MHz 2 6 pF ob CB E (Common base, input open circuited) Turn-on time t Refer to the measurement circuit 17 ns on Turn-off time t 17 ns off Storage time t 10 ns stg Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors. 2. : Rank classification * Rank Q R h 60 to 120 90 to 200 FE Publication date: February 2004 SJC00148CED 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). 2SC3938 Measurement circuit P T C a 200 t , t test circuit t test circuit 0.1 F 0.1 F on off stg V V OUT OUT A 1 k 220 910 50 90 160 0.1 F 3.3 k 500 V = 10 V V = 10 V IN IN V = 3 V V = 10 V CC CC 3.3 k 500 50 50 120 V = 3 V V = 2 V BB BB 10% 10% 80 V V IN IN 10% 90% V V OUT 90% OUT 10% 40 t t t on off stg (Waveform at A) 0 0 20 40 60 80 100 120 140 160 Ambient temperature T (C) a I V V I V I C CE CE(sat) C BE(sat) C 120 100 100 I / I = 10 T = 25C C B a 100 I = 3.0 mA B 2.5 mA 10 10 80 2.0 mA 1.5 mA T = 25C a 60 1 1 25C 1.0 mA 75C T = 75C a 25C 40 0.5 mA 25C 0.1 0.1 20 0.01 0 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 0.1 1 10 100 1 10 100 1 000 ( ) Collector current I (mA) Collector-emitter voltage V V Collector current I (mA) C CE C h I f I C V FE C T E ob CB 600 600 6 I = 0 V = 1 V E CE V = 10 V CB f = 1 MHz T = 25C a T = 25C a 500 500 5 400 400 4 300 300 3 200 200 2 T = 75C a 25C 25C 100 100 1 0 0 0 0.1 1 10 100 1 10 100 1 000 1 10 100 ( ) ( ) Collector current I mA Emitter current I mA Collector-base voltage V (V) C E CB SJC00148CED 2 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.