DATA SHEET. BC556; BC557 PNP general purpose transistors DISCRETE SEMICONDUCTORS. Product specification Supersedes data of 1997 Mar 27.

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1 DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 Supersedes data of 1997 Mar 27

2 FEATURES Low current (max. 100 ma) Low voltage (max. 65 V). APPLICATIONS General purpose switching and amplification. PINNING PIN 1 emitter 2 base 3 collector DESCRIPTION DESCRIPTION PNP transistor in a TO-92; SOT54 plastic package. NPN complements: BC546 and BC547. handbook, halfpage MAM281 1 Fig.1 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT V CBO collector-base voltage open emitter BC V BC V V CEO collector-emitter voltage open base BC V BC V V EBO emitter-base voltage open collector 5 V I C collector current (DC) 100 ma I CM peak collector current 200 ma I BM peak base current 200 ma P tot total power dissipation T amb 25 C 500 mw T stg storage temperature C T j junction temperature 150 C T amb operating ambient temperature C

3 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT R th j-a thermal resistance from junction to ambient note K/W Note 1. Transistor mounted on an FR4 printed-circuit board. CHARACTERISTICS T j =25 C unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT I CBO collector cut-off current I E = 0; V CB = 30 V 1 15 na I E = 0; V CB = 30 V; T j = 150 C 4 µa I EBO emitter cut-off current I C = 0; V EB = 5 V 100 na h FE DC current gain I C = 2 ma; V CE = 5 V; BC556 see Figs 2, 3 and BC BC556A BC556B; BC557B BC557C V CEsat collector-emitter saturation I C = 10 ma; I B = 0.5 ma mv voltage I C = 100 ma; I B = 5 ma mv V BEsat base-emitter saturation voltage I C = 10 ma; I B = 0.5 ma; note mv I C = 100 ma; I B = 5 ma; note mv V BE base-emitter voltage I C = 2 ma; V CE = 5 V; note mv I C = 10 ma; V CE = 5 V; note mv C c collector capacitance I E =i e = 0; V CB = 10 V; f = 1 MHz 3 pf C e emitter capacitance I C =i c = 0; V EB = 0.5 V; f = 1 MHz 10 pf f T transition frequency I C = 10 ma; V CE = 5 V; f = 100 MHz 100 MHz F noise figure I C = 200 µa; V CE = 5 V; R S =2kΩ; f = 1 khz; B = 200 Hz 2 10 db Notes 1. V BEsat decreases by about 1.7 mv/k with increasing temperature. 2. V BE decreases by about 2 mv/k with increasing temperature.

4 300 handbook, full pagewidth MBH726 h FE 200 V CE = 5 V I C (ma) 10 3 BC556A. Fig.2 DC current gain; typical values. 400 handbook, full pagewidth MBH727 h FE 300 V CE = 5 V I C (ma) 10 3 BC556B; BC557B. Fig.3 DC current gain; typical values.

5 600 handbook, full pagewidth MBH728 h FE 500 V CE = 5 V I C (ma) 10 3 BC557C. Fig.4 DC current gain; typical values.

6 PACKAGE OUTLINE Plastic single-ended leaded (through hole) package; 3 leads SOT54 c E d A L b 1 D 2 e 1 e 3 b 1 L mm scale DIMENSIONS (mm are the original dimensions) UNIT A b b 1 c D d E e e 1 L L 1 (1) mm Note 1. Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION ISSUE DATE SOT54 TO-92 SC

7 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.