Amplifier Transistors BC546, B BC547, A, B, C BC548, A, B, C NPN Silicon MAXIMUM RATINGS Rating Symbol BC546 BC547 BC548 Unit Collector-Emitter Voltage VCEO 65 45 30 Vdc Collector-Base Voltage VCBO 80 50 30 Vdc Emitter-Base Voltage VEBO 6.0 Vdc Collector Current -- Continuous IC 100 mAdc Total Device Dissipation @ TA = 25C Derate above 25C PD 625 5.0 mW mW/C Total Device Dissipation @ TC = 25C Derate above 25C PD 1.5 12 Watt mW/C TJ, Tstg -55 to +150 C Symbol Max Unit Thermal Resistance, Junction to Ambient RJA 200 C/W Thermal Resistance, Junction to Case RJC 83.3 C/W Operating and Storage Junction Temperature Range 1 2 3 CASE 29-04, STYLE 17 TO-92 (TO-226AA) THERMAL CHARACTERISTICS Characteristic COLLECTOR 1 2 BASE 3 EMITTER ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (IC = 1.0 mA, IB = 0) BC546 BC547 BC548 V(BR)CEO 65 45 30 -- -- -- -- -- -- V Collector-Base Breakdown Voltage (IC = 100 Adc) BC546 BC547 BC548 V(BR)CBO 80 50 30 -- -- -- -- -- -- V Emitter-Base Breakdown Voltage (IE = 10 A, IC = 0) BC546 BC547 BC548 V(BR)EBO 6.0 6.0 6.0 -- -- -- -- -- -- V -- -- -- -- 0.2 0.2 0.2 -- 15 15 15 4.0 nA Collector Cutoff Current (VCE = 70 V, VBE = 0) (VCE = 50 V, VBE = 0) (VCE = 35 V, VBE = 0) (VCE = 30 V, TA = 125C) Semiconductor Components Industries, LLC, 2001 February, 2001 - Rev. 2 ICES BC546 BC547 BC548 BC546/547/548 1 A Publication Order Number: BC546/D BC546, B BC547, A, B, C BC548, A, B, C ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted) (Continued) Characteristic Symbol Min Typ Max BC547A/548A BC546B/547B/548B BC548C -- -- -- 90 150 270 -- -- -- (IC = 2.0 mA, VCE = 5.0 V) BC546 BC547 BC548 BC547A/548A BC546B/547B/548B BC547C/BC548C 110 110 110 110 200 420 -- -- -- 180 290 520 450 800 800 220 450 800 (IC = 100 mA, VCE = 5.0 V) BC547A/548A BC546B/547B/548B BC548C -- -- -- 120 180 300 -- -- -- -- -- -- 0.09 0.2 0.3 0.25 0.6 0.6 -- 0.7 -- 0.55 -- -- -- 0.7 0.77 150 150 150 300 300 300 -- -- -- Unit ON CHARACTERISTICS DC Current Gain (IC = 10 A, VCE = 5.0 V) hFE Collector-Emitter Saturation Voltage (IC = 10 mA, IB = 0.5 mA) (IC = 100 mA, IB = 5.0 mA) (IC = 10 mA, IB = See Note 1) VCE(sat) Base-Emitter Saturation Voltage (IC = 10 mA, IB = 0.5 mA) VBE(sat) Base-Emitter On Voltage (IC = 2.0 mA, VCE = 5.0 V) (IC = 10 mA, VCE = 5.0 V) VBE(on) -- V V V SMALL-SIGNAL CHARACTERISTICS Current-Gain -- Bandwidth Product (IC = 10 mA, VCE = 5.0 V, f = 100 MHz) fT BC546 BC547 BC548 MHz Output Capacitance (VCB = 10 V, IC = 0, f = 1.0 MHz) Cobo -- 1.7 4.5 pF Input Capacitance (VEB = 0.5 V, IC = 0, f = 1.0 MHz) Cibo -- 10 -- pF 125 125 125 240 450 -- -- 220 330 600 500 900 260 500 900 -- -- -- 2.0 2.0 2.0 10 10 10 Small-Signal Current Gain (IC = 2.0 mA, VCE = 5.0 V, f = 1.0 kHz) Noise Figure (IC = 0.2 mA, VCE = 5.0 V, RS = 2 k, f = 1.0 kHz, f = 200 Hz) hfe BC546 BC547/548 BC547A/548A BC546B/547B/548B BC547C/548C -- NF BC546 BC547 BC548 Note 1: IB is value for which IC = 11 mA at VCE = 1.0 V. http://onsemi.com 2 dB BC546, B BC547, A, B, C BC548, A, B, C 1.0 VCE = 10 V TA = 25C 1.5 TA = 25C 0.9 0.8 1.0 V, VOLTAGE (VOLTS) hFE , NORMALIZED DC CURRENT GAIN 2.0 0.8 0.6 0.4 VBE(sat) @ IC/IB = 10 0.7 VBE(on) @ VCE = 10 V 0.6 0.5 0.4 0.3 0.2 0.3 VCE(sat) @ IC/IB = 10 0.1 0.2 0.2 0.5 50 1.0 20 2.0 5.0 10 IC, COLLECTOR CURRENT (mAdc) 100 0 0.1 200 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 IC, COLLECTOR CURRENT (mAdc) Figure 2. "Saturation" and "On" Voltages 2.0 VB, TEMPERATURE COEFFICIENT (mV/ C) VCE , COLLECTOR-EMITTER VOLTAGE (V) Figure 1. Normalized DC Current Gain TA = 25C 1.6 IC = 200 mA 1.2 IC = IC = 10 mA 20 mA 0.8 IC = 50 mA IC = 100 mA 0.4 0 0.02 10 0.1 1.0 IB, BASE CURRENT (mA) 50 70 100 1.0 -55C to +125C 1.2 1.6 2.0 2.4 2.8 20 10 1.0 IC, COLLECTOR CURRENT (mA) 0.2 Figure 3. Collector Saturation Region 100 Figure 4. Base-Emitter Temperature Coefficient 10 C, CAPACITANCE (pF) 7.0 TA = 25C 5.0 Cib 3.0 Cob 2.0 1.0 0.4 0.6 0.8 1.0 2.0 4.0 6.0 8.0 10 VR, REVERSE VOLTAGE (VOLTS) 20 40 f, T CURRENT-GAIN - BANDWIDTH PRODUCT (MHz) BC547/BC548 Figure 5. Capacitances 400 300 200 VCE = 10 V TA = 25C 100 80 60 40 30 20 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 IC, COLLECTOR CURRENT (mAdc) 30 Figure 6. Current-Gain - Bandwidth Product http://onsemi.com 3 50 BC546, B BC547, A, B, C BC548, A, B, C BC547/BC548 TA = 25C VCE = 5 V TA = 25C 0.8 VBE(sat) @ IC/IB = 10 V, VOLTAGE (VOLTS) hFE , DC CURRENT GAIN (NORMALIZED) 1.0 2.0 1.0 0.5 0.6 VBE @ VCE = 5.0 V 0.4 0.2 0.2 VCE(sat) @ IC/IB = 10 0 10 100 1.0 IC, COLLECTOR CURRENT (mA) 0.1 0.2 0.2 0.5 1.0 2.0 TA = 25C 1.6 20 mA 50 mA 100 mA 200 mA 1.2 IC = 10 mA 0.8 0.4 0 0.02 0.05 0.1 0.2 0.5 1.0 2.0 IB, BASE CURRENT (mA) 50 100 200 50 100 200 Figure 8. "On" Voltage VB, TEMPERATURE COEFFICIENT (mV/ C) VCE , COLLECTOR-EMITTER VOLTAGE (VOLTS) Figure 7. DC Current Gain 10 20 2.0 5.0 IC, COLLECTOR CURRENT (mA) 5.0 10 20 -1.0 -1.4 -1.8 VB for VBE -55C to 125C -2.2 -2.6 -3.0 Figure 9. Collector Saturation Region 0.2 0.5 10 20 5.0 1.0 2.0 IC, COLLECTOR CURRENT (mA) Figure 10. Base-Emitter Temperature Coefficient BC546 f, T CURRENT-GAIN - BANDWIDTH PRODUCT 40 C, CAPACITANCE (pF) TA = 25C 20 Cib 10 6.0 Cob 4.0 2.0 0.1 0.2 0.5 5.0 1.0 2.0 10 20 VR, REVERSE VOLTAGE (VOLTS) 50 500 VCE = 5 V TA = 25C 200 100 50 20 1.0 5.0 10 50 100 IC, COLLECTOR CURRENT (mA) 100 Figure 11. Capacitance Figure 12. Current-Gain - Bandwidth Product http://onsemi.com 4 BC546, B BC547, A, B, C BC548, A, B, C PACKAGE DIMENSIONS CASE 029-04 (TO-226AA) ISSUE AD A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. CONTOUR OF PACKAGE BEYOND DIMENSION R IS UNCONTROLLED. 4. DIMENSION F APPLIES BETWEEN P AND L. DIMENSION D AND J APPLY BETWEEN L AND K MINIMUM. LEAD DIMENSION IS UNCONTROLLED IN P AND BEYOND DIMENSION K MINIMUM. B R P L F SEATING PLANE K D J X X G H V C 1 SECTION X-X N N DIM A B C D F G H J K L N P R V INCHES MIN MAX 0.175 0.205 0.170 0.210 0.125 0.165 0.016 0.022 0.016 0.019 0.045 0.055 0.095 0.105 0.015 0.020 0.500 --0.250 --0.080 0.105 --0.100 0.115 --0.135 --- MILLIMETERS MIN MAX 4.45 5.20 4.32 5.33 3.18 4.19 0.41 0.55 0.41 0.48 1.15 1.39 2.42 2.66 0.39 0.50 12.70 --6.35 --2.04 2.66 --2.54 2.93 --3.43 --- STYLE 17: PIN 1. COLLECTOR 2. BASE 3. EMITTER http://onsemi.com 5 BC546, B BC547, A, B, C BC548, A, B, C Notes http://onsemi.com 6 BC546, B BC547, A, B, C BC548, A, B, C Notes http://onsemi.com 7 BC546, B BC547, A, B, C BC548, A, B, C ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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