BC238

BC237...BC239 NPN Silicon Epitaxial Planar Transistor for switching and amplifier applications The transistor is subdivided into three groups, A, B, and C, according to its DC current gain. 1. Collector 2. Base 3. Emitter TO-92 Plastic Package Absolute Maximum Ratings (Ta = 25 OC) Parameter Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature Range Symbol VCBO VCEO VEBO IC Ptot Tj TS BC237 50 45 6 BC238 30 25 5 100 500 150 BC239 30 25 Unit V V V mA mW O C C - 55 to + 150 O Characteristics at Ta = 25 OC Parameter DC Current Gain at VCE = 5 V, IC = 2 mA Current Gain Group A B C BC237 BC238, BC239 BC237 BC238, BC239 BC237 BC238, BC239 Symbol hFE hFE hFE ICBO V(BR)CEO V(BR)EBO VCE(sat) Min. 120 180 380 45 25 6 5 0.55 150 Max. 220 460 800 15 15 0.2 0.6 0.83 1.05 0.7 4.5 Unit nA V V V Collector Base Cutoff Current at VCB = 50 V at VCB = 30 V Collector Emitter Breakdown Voltage at IC = 2 mA Emitter Base Breakdown Voltage at IE = 100 µA Collector Emitter Saturation Voltage at IC = 10 mA, IB = 0.5 mA at IC = 100 mA, IB = 5 mA Base Emitter Saturation Voltage at IC = 10 mA, IB = 0.5 mA at IC = 100 mA, IB = 5 mA Base Emitter On Voltage at VCE = 5 V, IC = 2 mA Current Gain Bandwidth Product at VCE = 5 V, IC = 10 mA, f = 100 MHz Collector Base Capacitance at VCB = 10 V, f = 1 MHz VBE(sat) VBE(on) fT Cob V V MHz pF SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 27/12/2007 BC237...BC239 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 27/12/2007