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| LESHAN RADIO COMPANY, LTD. General Purpose Transistors PNP Silicon 1 BASE 3 COLLECTOR 2 EMITTER BC856ALT1, BLT1 BC857ALT1, BLT1 BC858ALT1, BLT1 CLT1 Unit V V 1 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Symbol V CEO V CBO V EBO BC856 -65 -80 -5.0 -100 BC857 -45 -50 -5.0 -100 BC858 -30 -30 -5.0 -100 3 V mAdc 2 IC CASE 318-08, STYLE 6 SOT-23 (TO-236AB) THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR- 5 Board, (1) TA = 25C Derate above 25C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) T A = 25C Derate above 25C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD 225 1.8 556 300 2.4 417 -55 to +150 mW mW/C C/W mW mW/C C/W C Max Unit R JA PD R JA T J , T stg DEVICE MARKING BC856ALT1 = 3A; BC856BLT1 = 3B; BC857ALT1 = 3E; BC857BLT1 = 3F; BC858ALT1 = 3J; BC858BLT1 = 3K; BC858CLT1 = 3L ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS BC856 Series BC857 Series BC858 Series Collector-Emitter Breakdown Voltage BC856 Series (IC = -10 A, VEB = 0) BC857 Series BC858 Series Collector-Base Breakdown Voltage BC856 Series (IC = - 10 A) BC857 Series BC858 Series Emitter-Base Breakdown Voltage BC856 Series (IE = - 1.0 A) BC857 Series, BC858 Series Collector Cutoff Current (VCB = - 30 V) (VCB = - 30 V, TA = 150C) 1.FR-5=1.0 x 0.75 x 0.062in 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. Collector-Emitter Breakdown Voltage (IC = -10 mA) V (BR)CEO V (BR)CES V (BR)CBO V (BR)EBO I CBO - 65 - 45 - 30 - 80 - 50 - 30 - 80 - 50 - 30 - 5.0 - 5.0 - 5.0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - 15 - 4.0 v v v v nA A M5-1/5 LESHAN RADIO COMPANY, LTD. BC856ALT1, BLT1 BC857ALT1, BLT1 BC858ALT1, BLT1, CLT1 ELECTRICAL CHARACTERISTICS(TA = 25C unless otherwise noted) (Continued) Characteristic Symbol Min Typ Max Unit ON CHARACTERISTICS BC856A, BC857A, BC858A BC856B, BC857B, BC858B BC858C, (I C = -2.0 mA, V CE = -5.0 V) BC856A, BC857A, BC858A BC856B, BC857B, BC858B BC858C Collector-Emitter Saturation Voltage (I C = -10 mA, I B = - 0.5 mA) Collector-Emitter Saturation Voltage (I C = -100 mA, I B = - 5.0 mA) Base-Emitter Saturation Voltage (I C = -10 mA, I B = -0.5 mA) Base-Emitter Saturation Voltage (I C = -100 mA, I B = -5.0 mA) Base-Emitter on Voltage (I C = -2.0 mA, V CE = -5.0 V) Base-Emitter Voltage (I C = -10 mA, V CE = -5.0 V) DC Current Gain (I C = -10 A, V CE = -5.0 V) h FE -- -- -- 125 220 420 -- -- -- -- - 0.6 -- 90 150 270 180 290 520 -- -- - 0.7 - 0.9 -- -- -- -- -- 250 475 800 - 0.3 - 0.65 -- -- - 0.75 - 0.82 -- V CE(sat) V V BE(sat) V V V BE(on) SMALL-SIGNAL CHARACTERISTICS Current-Gain -- Bandwidth Product (I C = - 10 mA, V CE = - 5.0 Vdc, f = 100 MHz) Output Capacitance (V CB = - 10 V, f = 1.0 MHz) Noise Figure (I C= - 0.2 mA,V CE= - 5.0 Vdc, R S= 2.0 k, f =1.0 kHz, BW= 200 Hz) fT C ob NF 100 -- -- -- -- -- -- 4.5 10 MHz pF dB M5-2/5 LESHAN RADIO COMPANY, LTD. BC856ALT1, BLT1 BC857ALT1, BLT1, BC858ALT1, BLT1, CLT1 BC857/BC858 -1.0 2.0 hFE, NORMALIZED DC CURRENT GAIN 1.5 VCE= -10 V V, VOLTAGE (VOLTS) -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 T A = 25C V BE(sat) @ I C /I B=10 T A = 25C 1.0 0.7 V BE(on) @ V CE = -10 V 0.5 0.3 V CE(sat) @ I C /I B = 10 -0.1 -0.2 -0.5 -1.0 -2.0 -5.0 -10 -20 -50 -100 0.2 -0.2 -0.5 -1.0 -2.0 -5.0 -10 -20 -50 -100 -200 0 I C , COLLECTOR CURRENT (mAdc) Figure 1. Normalized DC Current Gain VB , TEMPERATURE COEFFICIENT (mV/ C) I C , COLLECTOR CURRENT (mAdc) Figure 2. "Saturation" and "On" Voltages VCE, COLLECTOR- EMITTER VOLTAGE (V) -2.0 1.0 T A = 25C -1.6 -55C to +125C 1.2 1.6 -1.2 2.0 -0.8 IC= -10 mA I C= -50 mA I C= -200 mA I C= -100 mA 2.4 -0.4 I C= -20 mA 2.8 0 -0.02 -0.1 -1.0 -10 -20 -0.2 -1.0 -10 -100 I B , BASE CURRENT (mA) Figure 3. Collector Saturation Region I C , COLLECTOR CURRENT (mA) Figure 4. Base-Emitter Temperature Coefficient 400 300 10.0 fT, CURRENT- GAIN - BANDWIDTH PRODUCT (MHz) C ib 7.0 200 T A=25C 5.0 V, VOLTAGE (VOLTS) 100 80 V CE =-10V T A = 25C 3.0 C ob 60 40 30 20 2.0 1.0 -0.4 -0.6 -1.0 -2.0 -4.0 -6.0 -10 -20 -30 -40 -0.5 -1.0 -2.0 -3.0 -5.0 -10 -20 -30 -50 V R , REVERSE VOLTAGE (VOLTS) I C , COLLECTOR CURRENT (mAdc) Figure 5. Capacitances Figure 6. Current-Gain - Bandwidth Product M5-3/5 LESHAN RADIO COMPANY, LTD. BC856ALT1, BLT1 BC857ALT1, BLT1, BC858ALT1, BLT1, CLT1 BC856 hFE , DC CURRENT GAIN (NORMALIZED) -1.0 V CE = -5.0V T A = 25C 2.0 1.0 0.5 0.2 -0.1-0.2 -1.0-2.0 -5.0-10-20 -50-100-200 I C , COLLECTOR CURRENT (mA) V, VOLTAGE (VOLTS) T J= 25C -0.8 VBE(sat) @ I C/I B= 10 -0.6 -0.4 -0.2 VCE(sat) @ I C /I B= 10 0 -0.2 -0.5 -1.0 -2.0 -5.0 -10 -20 -50 -100 -200 VBE @VCE= -5.0 V I C , COLLECTOR CURRENT (mA) Figure 7. DC Current Gain V CE , COLLECTOR- EMITTER VOLTAGE (VOLTS) Figure 8. "On" Voltage VB , TEMPERATURE COEFFICIENT (mV/C) -2.0 -1.6 -1.2 -0.8 -0.4 TJ= 25C 0 -0.02 -0.05 -0.1 -0.2 IC = -10 mA -20mA -50mA -100mA -200mA -1.0 -1.4 -1.8 -2.2 -2.6 -3.0 -0.2 VB for V BE -55C to 125C -0.5 -1.0 -2.0 -5.0 -10 -20 -0.5 -1.0 -2.0 -5.0 -10 -20 -50 -100 -200 I B , BASE CURRENT (mA) I C , COLLECTOR CURRENT (mA) Figure 9. Collector Saturation Region Figure 10. Base-Emitter Temperature Coefficient fT, CURRENT- GAIN - BANDWIDTH PRODUCT T 40 C, CAPACITANCE (pF) 20 T J= 25C C ib 500 200 100 50 20 VCE= -5.0 V 10 8.0 6.0 4.0 2.0 -0.1-0.2 -0.5 C ob -1.0 -2.0 -5.0 -10 -20 -50 -100 -1.0 -10 -100 V R , REVERSE VOLTAGE (VOLTS) I C , COLLECTOR CURRENT (mA) Figure 11. Capacitance Figure 12. Current-Gain - Bandwidth Product M5-4/5 LESHAN RADIO COMPANY, LTD. BC856ALT1, BLT1 BC857ALT1, BLT1, BC858ALT1, BLT1, CLT1 1.0 0.7 0.5 0.3 0.2 0.1 0.1 0.07 0.05 0.03 0.02 0.01 0.1 SINGLE PULSE r( t), TRANSIENT THERMAL RESISTANCE (NORMALIZED) D=0.5 0.2 SINGLE PULSE 0.05 P(pk) t1 t2 DUTY CYCLE, D = t 1 /t 2 Z JC (t) = r(t) R JC R JC = 83.3C/W MAX Z JA (t) = r(t) R JA R JA = 200C/W MAX D CURVES APPLY FOR POWER PULSE TRAIN SHOWN READ TIME AT t 1 T J(pk) - T C = P (pk) R JC (t) 0.2 0.5 1.0 2.0 5.0 10 20 t, TIME (ms) 50 100 200 500 1.0k 2.0k 5.0k 10k Figure 13. Thermal Response -200 1s I C , COLLECTOR CURRENT (mA) 3 ms -100 -50 TA= 25C TJ= 25C -10 -5.0 BC558 BC557 BC556 BONDING WIRE LIMIT THERMAL LIMIT SECOND BREAKDOWN LIMIT The safe operating area curves indicate I C -V CE limits of the transistor that must be observed for reliable operation. Collector load lines for specific circuits must fall below the limits indicated by the applicable curve. The data of Figure 14 is based upon T J(pk) = 150C; T C or T A is variable depending upon conditions. Pulse curves are valid for duty cycles to 10% provided T J(pk) < 150C. T J(pk) may be calculated from the data in Figure 13. At high case or ambient temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by the secondary breakdown. -2.0 -1.0 -0.5 -10 -30 -45 -65 -100 V CE , COLLECTOR-EMITTER VOLTAGE (V) Figure 14. Active Region Safe Operating Area M5-5/5 |
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