DISCRETE SEMICONDUCTORS DATA SHEET M3D071 BAT74 Schottky barrier double diode Product specification Supersedes data of March 1991 1996 Mar 19 Philips Semiconductors Product specification Schottky barrier double diode FEATURES BAT74 PINNING • Low forward voltage PIN • Guard ring protected 1 • Small SMD package. cathode (k1) 2 cathode (k2) 3 anode (a2) 4 anode (a1) APPLICATIONS DESCRIPTION • Ultra high-speed switching • Voltage clamping • Protection circuits handbook, halfpage 4 3 4 3 1 2 • Blocking diodes. DESCRIPTION Planar Schottky barrier double diode. Two separate dies encapsulated in a SOT143 small plastic SMD package. 1 Top view 2 MAM194 Marking code: L41. Fig.1 Simplified outline (SOT143), pin configuration and symbol. 1996 Mar 19 2 Philips Semiconductors Product specification Schottky barrier double diode BAT74 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT Per diode VR continuous reverse voltage − 30 V IF continuous forward current − 200 mA IFRM repetitive peak forward current tp ≤ 1 s; δ ≤ 0.5 − 300 mA IFSM non-repetitive peak forward current tp < 10 ms 600 mA Ptot total power dissipation Tamb ≤ 25 °C; see Fig.2 − 230 mW Tstg storage temperature −65 +150 °C Tj junction temperature − 125 °C Tamb operating ambient temperature −65 +125 °C − 30 V − 60 V − 110(1) mA − 200 mA Double diode operation VR continuous reverse voltage series connection IF continuous forward current IFRM repetitive peak forward current tp ≤ 1 s; δ ≤ 0.5 Note 1. If both diodes are in forward operation at the same moment, total device current is max. 110 mA. If one diode is in reverse and the other in forward operation at the same moment, total device current is max. 200 mA. 1996 Mar 19 3 Philips Semiconductors Product specification Schottky barrier double diode BAT74 ELECTRICAL CHARACTERISTICS Tamb = 25 °C unless otherwise specified. SYMBOL PARAMETER CONDITIONS MAX. UNIT Per diode VF forward voltage see Fig.3 IF = 0.1 mA 240 mV IF = 1 mA; note 1 320 mV IF = 10 mA 400 mV IF = 30 mA 500 mV IF = 100 mA 800 mV IR reverse current VR = 25 V; note 2; see Fig.4 2 µA trr reverse recovery time when switched from IF = 10 mA to IR = 10 mA; RL = 100 Ω; measured at IR = 1 mA; see Fig.6 5 ns Cd diode capacitance f = 1 MHz; VR = 1 V; see Fig.5 10 pF Notes 1. Temperature coefficient of forward voltage −0.6%/K. 2. Pulsed test: tp = 300µs; δ = 0.02. THERMAL CHARACTERISTICS SYMBOL Rth j-a PARAMETER CONDITIONS thermal resistance from junction to ambient note 1 Note 1. Refer to SOT143 standard mounting conditions 1996 Mar 19 . 4 VALUE UNIT 500 K/W Philips Semiconductors Product specification Schottky barrier double diode BAT74 GRAPHICAL DATA MSA892 MSA894 300 3 10halfpage handbook, IF (mA) P tot (mW) (1) (2) (3) 10 2 200 10 100 (1) 1 0 0 75 10 1 150 Tamb ( oC) (2) (3) 0 0.4 0.8 VF (V) 1.2 (1) Tamb = 125 °C. (2) Tamb = 85 °C. (3) Tamb = 25 °C. Fig.3 Fig.2 Power derating curve. MSA893 10 3 IR (µA) Forward current as a function of forward voltage; typical values. MSA891 15 (1) Cd (pF) 10 2 (2) 10 10 5 1 (3) 10 1 0 0 10 20 VR (V) 30 (1) Tamb = 125 °C. (2) Tamb = 85 °C. (3) Tamb = 25 °C. Fig.4 1996 Mar 19 0 10 20 V R (V) 30 f = 1 MHz; Tamb = 25 °C. Reverse current as a function of reverse voltage; typical values. Fig.5 5 Diode capacitance as a function of reverse voltage; typical values. Philips Semiconductors Product specification Schottky barrier double diode BAT74 handbook, halfpage I F dI F dt 10% t Qr 90% IR tf MRC129 - 1 Fig.6 Reverse recovery definitions. 1996 Mar 19 6 Philips Semiconductors Product specification Schottky barrier double diode BAT74 PACKAGE OUTLINE handbook, full pagewidth 3.0 2.8 0.150 0.090 0.75 0.60 B 1.9 4 3 0.1 max o 10 max 0.2 M A B A 1.4 1.2 2.5 max o 10 max 1 1.1 max o 30 max 0.88 2 0 0.1 0.48 0 0.1 0.1 M A B MBC845 1.7 TOP VIEW Dimensions in mm. Fig.7 SOT143. 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. Product specification 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. 1996 Mar 19 7