BC857A

BC857A / BC857B / BC857C BC857A BC857B BC857C C E SOT-23 Mark: 3E / 3F / 3G B PNP General Purpose Amplifier This device is designed for general purpose amplifier applications at collector currents to 300 mA. Sourced from Process 68. Absolute Maximum Ratings* Symbol VCEO VCBO VEBO IC TJ, Tstg Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current - Continuous TA = 25°C unless otherwise noted Parameter Value 45 50 5.0 500 -55 to +150 Units V V V mA °C Operating and Storage Junction Temperature Range *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics Symbol PD RθJA TA = 25°C unless otherwise noted Characteristic Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Ambient Max *BC857A / B / C 350 2.8 357 Units mW mW/°C °C/W *Device mounted on FR-4 PCB 40 mm X 40 mm X 1.5 mm. ã 1997 Fairchild Semiconductor Corporation BC857A / BC857B / BC857C PNP General Purpose Amplifier (continued) Electrical Characteristics Symbol Parameter TA = 25°C unless otherwise noted Test Conditions Min Max Units OFF CHARACTERISTICS V(BR)CEO V(BR)CBO V(BR)EBO ICBO Collector-Emitter Breakdown Voltage Collector-Base Breakdown Voltage Emitter-Base Breakdown Voltage Collector-Cutoff Current IC = 10 mA, IB = 0 IC = 10 µ A, IE = 0 IE = 1.0 µ A, IC = 0 VCB = 30 V VCB = 30 V, TA = 150°C 45 50 5.0 15 4.0 V V V nA µA ON CHARACTERISTICS hFE DC Current Gain IC = 2.0 mA, VCE = 5.0 V BC857A BC857B BC857C IC = 10 mA, IB = 0.5 mA IC = 100 mA, IB = 5.0 mA IC = 2.0 mA, VCE = 5.0 V IC = 10 mA, VCE = 5.0 V 125 220 420 250 475 800 0.3 0.65 0.75 0.82 VCE(sat) VBE(on) Collector-Emitter Saturation Voltage Base-Emitter On Voltage 0.6 V V V V SMALL SIGNAL CHARACTERISTICS fT Cobo NF Current Gain - Bandwidth Product Output Capacitance Noise Figure IC = 10 mA, VCE = 5.0, f = 100 mHz VCB = 10 V, f = 1.0 MHz IC = 0.2 mA, VCE = 5.0, RS = 2.0 kΩ, f = 1.0 kHz, BW = 200 Hz 100 4.5 10 MHz pF dB Typical Characteristics VCESAT- COLLECTOR EMITTER VOLTAGE (V) hFE - TYPICAL PULSED CURRENT GAIN Typical Pulsed Current Gain vs Collector Current 500 V CE = 5V Collector-Emitter Saturation Voltage vs Collector Current 0.3 0.25 0.2 0.15 25 °C 400 300 125 °C β = 10 25 °C 200 100 0 0.01 - 40 °C 0.1 0.05 0 0.1 125 ºC - 40 ºC 0.1 1 10 100 IC - COLLECTOR CURRENT (mA) 1 10 100 I C - COLLECTOR CURRENT (mA) P 68 300 BC857A / BC857B / BC857C PNP General Purpose Amplifier (continued) Typical Characteristics (continued) 1.2 1 0.8 0.6 0.4 0.2 0 0.1 VBEON - BASE EMITTER ON VOLTAGE (V) VBESAT- BASE EMITTER VOLTAGE (V) Base-Emitter Saturation Voltage vs Collector Current β = 10 Base Emitter ON Voltage vs Collector Current 1 0.8 0.6 0.4 0.2 0 0.1 V CE = 5V - 40 ºC 25 °C 125 ºC - 40 ºC 25 °C 125 ºC 1 10 100 I C - COLLECTOR CURRENT (mA) 300 1 10 I C - COLLECTOR CURRENT (mA) 100 200 Collector-Cutoff Current vs. Ambient Temperature ICBO- COLLECTOR CURRENT (nA) V CB = 50V 10 BV CER - BREAKDOWN VOLTAGE (V) 100 Collector-Emitter Breakdown Voltage with Resistance Between Emitter-Base 95 90 1 85 80 0.1 75 0.01 25 50 75 100 T A - AMBIENT TEMPERATURE ( º C) 125 70 0.1 1 10 100 1000 RESISTANCE (kΩ ) VCE - COLLECTOR-EMITTER VOLTAGE (V) Collector Saturation Region 4 Input and Output Capacitance vs Reverse Voltage 100 Ta = 25°C 3 f = 1.0 MHz CAPACITANCE (pF) 2 Ic = 100 uA 50 mA 300 mA 10 Cib Cob 1 0 100 300 700 2000 4000 I B - BASE CURRENT (uA) 0.1 1 10 100 Vce- COLLECTOR VOLTAGE(V) BC857A / BC857B / BC857C PNP General Purpose Amplifier (continued) Typical Characteristics (continued) f T - GAIN BANDWIDTH PRODUCT (MHz) Gain Bandwidth Product vs Collector Current 40 Power Dissipation vs Ambient Temperature 350 P D - POWER DISSIPATION (mW) 300 250 200 150 100 50 0 0 25 50 75 100 TEMPERATURE ( o C) 125 150 Vce = 5V 30 SOT-23 20 10 0 1 10 P 68 20 50 100 150 I C- COLLECTOR CURRENT (mA) TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ CoolFET™ CROSSVOLT™ E2CMOSTM FACT™ FACT Quiet Series™ FAST® FASTr™ GTO™ HiSeC™ DISCLAIMER ISOPLANAR™ MICROWIRE™ POP™ PowerTrench™ QS™ Quiet Series™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 TinyLogic™ FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.