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| 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 FEATURES * Low forward voltage * Guard ring protected * Hermetically-sealed leaded glass package. APPLICATIONS * Ultra high-speed switching * Voltage clamping * Protection circuits * Blocking diodes. DESCRIPTION BAT85 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. k handbook, halfpage a MAM193 Fig.1 Simplified outline (SOD68; DO-34), pin configuration and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VR IF IF(AV) PARAMETER continuous reverse voltage continuous forward current average forward current CONDITIONS - - PCB mounting, lead length = 4 mm; - VRWM = 25 V; a = 1.57; = 0.5; Tamb = 50 C; see Fig.2 tp 1 s; 0.5 tp 10 ms - - -65 - -65 MIN. MAX. 30 200 200 V mA mA UNIT IFRM IFSM Tstg Tj Tamb repetitive peak forward current non-repetitive peak forward current storage temperature junction temperature operating ambient temperature 300 5 +150 125 +125 mA A C C C 1996 Mar 20 2 Philips Semiconductors Product specification Schottky barrier diode ELECTRICAL CHARACTERISTICS Tamb = 25 C unless otherwise specified. SYMBOL VF PARAMETER forward voltage see Fig.3 IF = 0.1 mA IF = 1 mA IF = 10 mA IF = 30 mA IF = 100 mA IR trr reverse current reverse recovery time VR = 25 V; see Fig.4 when switched from IF = 10 mA to IR = 10 mA; RL = 100 ; measured at IR = 1 mA; see Fig.6 f = 1 MHz; VR = 1 V; see Fig.5 240 320 400 500 800 2 4 CONDITIONS MAX. BAT85 UNIT mV mV mV mV mV A ns Cd diode capacitance 10 pF THERMAL CHARACTERISTICS SYMBOL Rth j-a Note 1. Refer to SOD68 standard mounting conditions. PARAMETER thermal resistance from junction to ambient note 1 CONDITIONS VALUE 320 UNIT K/W 1996 Mar 20 3 Philips Semiconductors Product specification Schottky barrier diode GRAPHICAL DATA BAT85 MRA540 MSA892 250 handbook, halfpage I F(AV) (mA) 200 10 3 handbook, halfpage IF (mA) 10 2 (1) (2) (3) 150 10 100 (1) (2) (3) 1 50 0 0 50 100 Tamb ( C) o 150 10 1 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 Derating curve. Forward current as a function of forward voltage; typical values. MGC682 MGC681 10 5 handbook, halfpage IR (nA) (1) 10 4 handbook, halfpage 12 Cd (pF) 10 3 (2) 10 2 8 10 4 1 (3) 10 -1 0 0 10 20 V (V) R 30 0 10 20 VR (V) 30 (1) Tamb = 85 C. (2) Tamb = 25 C. (3) Tamb = -40 C. f = 1 MHz. Fig.4 Reverse current as a function of reverse voltage; typical values. Fig.5 Diode capacitance as a function of reverse voltage; typical values. 1996 Mar 20 4 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 PACKAGE OUTLINE BAT85 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 Preliminary specification Product specification 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. 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. 1996 Mar 20 6 |
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