DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D050 BAT85 Schottky barrier diode Product specification Supersedes data of February 1992 1996 Mar 20 Philips Semiconductors Product specification Schottky barrier diode BAT85 FEATURES DESCRIPTION • Low forward voltage Planar Schottky barrier diode with an integrated protection ring against static discharges, encapsulated in a hermetically-sealed subminiature SOD68 (DO-34) package. The diode is suitable for mounting on a 2 E (5.08 mm) pitch. • Guard ring protected • Hermetically-sealed leaded glass package. APPLICATIONS k handbook, halfpage a • Ultra high-speed switching • Voltage clamping MAM193 • Protection circuits Fig.1 Simplified outline (SOD68; DO-34), pin configuration and symbol. • Blocking diodes. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VR continuous reverse voltage − 30 V IF continuous forward current − 200 mA IF(AV) average forward current PCB mounting, lead length = 4 mm; − VRWM = 25 V; a = 1.57; δ = 0.5; Tamb = 50 °C; see Fig.2 200 mA IFRM repetitive peak forward current tp ≤ 1 s; δ 0.5 − 300 mA IFSM non-repetitive peak forward current tp ≤ 10 ms − 5 A Tstg storage temperature −65 +150 °C Tj junction temperature − 125 °C Tamb operating ambient temperature −65 +125 °C 1996 Mar 20 2 Philips Semiconductors Product specification Schottky barrier diode BAT85 ELECTRICAL CHARACTERISTICS Tamb = 25 °C unless otherwise specified. SYMBOL VF PARAMETER forward voltage CONDITIONS MAX. UNIT see Fig.3 IF = 0.1 mA 240 mV IF = 1 mA 320 mV IF = 10 mA 400 mV IF = 30 mA 500 mV IF = 100 mA 800 mV IR reverse current VR = 25 V; 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 4 ns Cd diode capacitance f = 1 MHz; VR = 1 V; see Fig.5 10 pF THERMAL CHARACTERISTICS SYMBOL Rth j-a PARAMETER thermal resistance from junction to ambient CONDITIONS note 1 Note 1. Refer to SOD68 standard mounting conditions. 1996 Mar 20 3 VALUE UNIT 320 K/W Philips Semiconductors Product specification Schottky barrier diode BAT85 GRAPHICAL DATA MSA892 MRA540 3 10halfpage handbook, 250 handbook, halfpage I F(AV) IF (mA) (mA) 200 (1) (2) (3) 10 2 150 10 100 (1) 1 (2) (3) 50 0 0 50 100 10 1 150 o 0 0.4 0.8 Tamb ( C) VF (V) 1.2 (1) Tamb = 125 °C. (2) Tamb = 85 °C. (3) Tamb = 25 °C. Fig.3 Fig.2 Derating curve. Forward current as a function of forward voltage; typical values. MGC681 MGC682 5 10halfpage handbook, IR (nA) 12 handbook, halfpage Cd (pF) (1) 10 4 8 10 3 (2) 10 2 10 4 1 (3) 10 −1 0 0 10 20 V (V) R 0 30 (1) Tamb = 85 °C. (2) Tamb = 25 °C. (3) Tamb = −40 °C. Fig.4 1996 Mar 20 10 20 VR (V) 30 f = 1 MHz. Reverse current as a function of reverse voltage; typical values. Fig.5 4 Diode capacitance as a function of reverse voltage; typical values. Philips Semiconductors Product specification Schottky barrier diode BAT85 handbook, halfpage I F dI F dt 10% t Qr 90% IR tf MRC129 - 1 Fig.6 Reverse recovery definitions. 1996 Mar 20 5 Philips Semiconductors Product specification Schottky barrier diode BAT85 PACKAGE OUTLINE handbook, full pagewidth 0.55 max 1.6 max 25.4 min 3.04 max 25.4 min MSA212 - 1 Dimensions in mm. Cathode indicated by a coloured band. The diodes are type branded. Fig.7 SOD68; (DO-34). 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 20 6