General Purpose Transistor Pin Configuration: 1. Emitter 2. Base 3. Collector Features: * * PNP Silicon Planar Epitaxial Transistor Especially Suited For use in Driver Stages of Audio Amplifiers, Low Noise Input Stages of Tape Recorders, HI-FI Amplifiers, Signal Processing Circuits of Television Receivers Absolute Maximum Ratings Parameters Symbol Rating Collector-Emitter Voltage VCEO 45 Collector-Emitter Voltage VCES Collector-Base Voltage VCBO Emitter-Base Voltage VEBO 5 Collector Current Continuous Peak IC ICM 100 200 Base Current Peak IBM Emitter Current Peak IEM Power Dissipation at Ta = 25C Derate above 25C PTA 500 4 Storage Temperature Tstg -65 to +150 Junction Temperature Tj 150 Rth (j-a) 250 50 Unit V mA 200 mW mW/C C Thermal Resistance Junction to Ambient C/W www.element14.com www.farnell.com www.newark.com Page <1> 03/01/13 V1.0 General Purpose Transistor Electrical Characteristics (Ta = 25C unless otherwise specified) Parameters Symbol Test Condition Rating Collector-Emitter Voltage VCEO IC = 2mA, IB = 0 >45 Collector-Base Voltage VCBO IC = 100A, IE = 0 >50 Emitter-Base Voltage VEBO IE = 100A, IC = 0 >5 ICBO ICES VCB = 30V, IE = 0 Tj = 150C VCB = 30V, IE = 0 VCE = 80V, VBE = 0 Collector-Cut off Current ICES TJ = 125C VCE = 80V, VBE = 0 DC Current Gain hFE Collector-Cut off Current IC = 10A, VCE = 5V IC = 100mA, VCE = 5V BC557B BC557B BC557B Unit V <15 nA <5 A <15 nA <4 A Typical 150 200 - 450 Typical 200 - Collector Emitter Saturation Voltage VCE (Sat) IC = 10mA, IB = 0.5mA IC = 100mA, IB = 5mA <0.30 <0.65 Base Emitter Saturation Voltage VBE (sat) IC = 10mA, IB = 0.5mA IC = 100mA, IB = 5mA Typical 0.70 Typical 0.90 Base Emitter on Voltage VBE (on) IC = 2mA, VCE = 5V IC = 10mA, VCE = 5V 0.55 - 0.70 <0.82 fT IC = 10mA, VCE = 5V f = 100MHz Typical 150 Collector output Capacitance Ccbo VCB = 10V, f = 1MHz <6 Emitter Input Capacitance Cib VEB = 0.5V, f = 1MHz Typical 9 Noise Figure NF IC = 0.2mA, VCE = 5V RS = 2k, f = 1kHz B = 200Hz <10 dB Small Signal Current Gain hfe IC = 2mA, VCE = 5V - BC557B Typical 330 - Input Impedance hie IC = 2mA, VCE = 5V - BC557B 3.2 - 8.5 K Voltage Feedback Ratio hre IC = 2mA, VCE = 5V - BC557B Typical 2 x10-4 Out put Admittance hoe IC = 2mA, VCE = 5V - BC557B <60 umhos V Dynamic Characteristics Transition Frequency MHz pF www.element14.com www.farnell.com www.newark.com Page <2> 03/01/13 V1.0 General Purpose Transistor Dimensions Min. Max. A 4.32 5.33 B 4.45 5.2 C 3.18 4.19 D 0.41 0.55 E 0.35 0.5 F G H K 5 1.4 1.14 1.53 12.7 Dimensions : Millimetres Pin Configuration: 1. Emitter 2. Base 3. Collector Part Number Table Description Part Number Transistor, PNP, TO-92 BC557B Important Notice : This data sheet and its contents (the "Information") belong to the members of the Premier Farnell group of companies (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. (c) Premier Farnell plc 2012. www.element14.com www.farnell.com www.newark.com Page <3> 03/01/13 V1.0