DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BC556; BC557 PNP general purpose transistors Product specification Supersedes data of 1997 Mar 27 1999 Apr 15 Philips Semiconductors Product specification PNP general purpose transistors FEATURES * Low current (max. 100 mA) * Low voltage (max. 65 V). APPLICATIONS * General purpose switching and amplification. DESCRIPTION PNP transistor in a TO-92; SOT54 plastic package. NPN complements: BC546 and BC547. PINNING PIN 1 2 3 emitter base collector BC556; BC557 DESCRIPTION 1 handbook, halfpage 2 3 3 2 1 MAM281 Fig.1 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VCBO BC556 BC557 VCEO collector-emitter voltage BC556 BC557 VEBO IC ICM IBM Ptot Tstg Tj Tamb emitter-base voltage collector current (DC) peak collector current peak base current total power dissipation storage temperature junction temperature operating ambient temperature Tamb 25 C open collector open base - - - - - - - -65 - -65 -65 -45 -5 -100 -200 -200 500 +150 150 +150 V V V mA mA mA mW C C C PARAMETER collector-base voltage CONDITIONS open emitter - - -80 -50 V V MIN. MAX. UNIT 1999 Apr 15 2 Philips Semiconductors Product specification PNP general purpose transistors THERMAL CHARACTERISTICS SYMBOL Rth j-a Note 1. Transistor mounted on an FR4 printed-circuit board. CHARACTERISTICS Tj = 25 C unless otherwise specified. SYMBOL ICBO IEBO hFE PARAMETER collector cut-off current emitter cut-off current DC current gain BC556 BC557 BC556A BC556B; BC557B BC557C VCEsat VBEsat VBE Cc Ce fT F Notes 1. VBEsat decreases by about -1.7 mV/K with increasing temperature. 2. VBE decreases by about -2 mV/K with increasing temperature. collector-emitter saturation voltage base-emitter saturation voltage base-emitter voltage collector capacitance emitter capacitance transition frequency noise figure IC = -10 mA; IB = -0.5 mA IC = -100 mA; IB = -5 mA IC = -10 mA; IB = -0.5 mA; note 1 IC = -100 mA; IB = -5 mA; note 1 IC = -2 mA; VCE = -5 V; note 2 IC = -10 mA; VCE = -5 V; note 2 IE = ie = 0; VCB = -10 V; f = 1 MHz IC = ic = 0; VEB = -0.5 V; f = 1 MHz IC = -200 A; VCE = -5 V; RS = 2 k; f = 1 kHz; B = 200 Hz CONDITIONS IE = 0; VCB = -30 V IE = 0; VCB = -30 V; Tj = 150 C IC = 0; VEB = -5 V IC = -2 mA; VCE = -5 V; see Figs 2, 3 and 4 PARAMETER thermal resistance from junction to ambient CONDITIONS note 1 BC556; BC557 VALUE 250 UNIT K/W MIN. - - - 125 125 125 220 420 - - - - -600 - - - - TYP. -1 - - - - - - - -60 -180 -750 -930 -650 - 3 10 - 2 MAX. UNIT -15 -4 -100 475 800 250 475 800 -300 -650 - - -750 -820 - - - 10 mV mV mV mV mV mV pF pF MHz dB nA A nA IC = -10 mA; VCE = -5 V; f = 100 MHz 100 1999 Apr 15 3 Philips Semiconductors Product specification PNP general purpose transistors BC556; BC557 handbook, full pagewidth 300 MBH726 hFE 200 VCE = -5 V 100 0 -10-1 -1 -10 -102 IC (mA) -103 BC556A. Fig.2 DC current gain; typical values. handbook, full pagewidth 400 MBH727 hFE VCE = -5 V 300 200 100 0 -10-2 -10-1 -1 -10 -102 IC (mA) -103 BC556B; BC557B. Fig.3 DC current gain; typical values. 1999 Apr 15 4 Philips Semiconductors Product specification PNP general purpose transistors BC556; BC557 handbook, full pagewidth 600 MBH728 hFE 500 VCE = -5 V 400 300 200 100 0 -10-2 -10-1 -1 -10 -102 IC (mA) -103 BC557C. Fig.4 DC current gain; typical values. 1999 Apr 15 5 Philips Semiconductors Product specification PNP general purpose transistors PACKAGE OUTLINE Plastic single-ended leaded (through hole) package; 3 leads BC556; BC557 SOT54 c E d A L b 1 D 2 e1 e 3 b1 L1 0 2.5 scale 5 mm DIMENSIONS (mm are the original dimensions) UNIT mm A 5.2 5.0 b 0.48 0.40 b1 0.66 0.56 c 0.45 0.40 D 4.8 4.4 d 1.7 1.4 E 4.2 3.6 e 2.54 e1 1.27 L 14.5 12.7 L1(1) 2.5 Note 1. Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities. OUTLINE VERSION SOT54 REFERENCES IEC JEDEC TO-92 EIAJ SC-43 EUROPEAN PROJECTION ISSUE DATE 97-02-28 1999 Apr 15 6 Philips Semiconductors Product specification PNP general purpose transistors DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values BC556; BC557 This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications. 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. 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