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| DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D153 BAV45 Picoampere diode Product specification Supersedes data of July 1986 1996 Mar 13 Philips Semiconductors Product specification Picoampere diode FEATURES * Extremely low leakage current: max. 5 pA * Low diode capacitance * Light insensitive. APPLICATION * Clamping * Holding * Peak follower * Time delay circuits * Logarithmic amplifiers * Protection of insulated gate field-effect transistors. Fig.1 k MAM207 BAV45 DESCRIPTION Silicon diode in a metal TO-18 can. It has an extremely low leakage current over a wide temperature range combined with a low capacitance and is not sensitive to light. a Simplified outline (SOT18/15; TO-18 except for the two leads) and symbol. CAUTION Handle the device with care whilst soldering into the circuit. The extremely low leakage current can only be guaranteed when the bottom is free from solder flux or other contaminations. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VRRM VR IF IFRM Ptot Tstg Tj Note 1. Device mounted on a FR4 printed-circuit board. PARAMETER repetitive peak reverse voltage continuous reverse voltage continuous forward current repetitive peak forward current total power dissipation storage temperature junction temperature Tamb = 25 C; note 1 see Fig.2 CONDITIONS MIN. - - - - - -65 - MAX. 35 20 50 100 200 +125 125 V V mA mA mW C C UNIT 1996 Mar 13 2 Philips Semiconductors Product specification Picoampere diode ELECTRICAL CHARACTERISTICS Tj = 25 C unless otherwise specified. SYMBOL VF IR PARAMETER forward voltage reverse current see Fig.5 VR = 5 V VR = 5 V; Tj = 80 C VR = 20 V Cd trr diode capacitance reverse recovery time f = 1 MHz; VR = 0; see Fig.6 when switched from IF = 10 mA to IR = 10 mA; RL = 100 ; measured at IR = 1 mA; see Fig.7 5 250 10 CONDITIONS IF = 10 mA; see Figs 3 and 4 MAX. 1 BAV45 UNIT V pA pA pA pF ns 1.3 600 THERMAL CHARACTERISTICS SYMBOL Rth j-a Note 1. Device mounted on a FR4 printed-circuit board. GRAPHICAL DATA PARAMETER thermal resistance from junction to ambient; note 1 VALUE 500 UNIT K/W handbook, halfpage 100 MBG530 handbook, halfpage 100 IF (mA) 80 MBG528 IF (mA) 60 50 40 20 0 0 50 o 100 T 150 amb ( C) 0 0 0.5 1.0 VF (V) 1.5 Tj = 25 C. Fig.2 Maximum permissible continuous forward current as a function of ambient temperature. Fig.3 Forward current as a function of forward voltage; typical values. 1996 Mar 13 3 Philips Semiconductors Product specification Picoampere diode BAV45 104 handbook, halfpage 1010 handbook, halfpage IF (pA) 109 102 108 10 10 7 (1) (2) (3) (4) MBG527 MBG529 IR (pA) 103 1 106 0 50 100 Tj (oC) 150 105 (1) VR = 20 V; maximum values. (2) VR = 5 V; maximum values. (3) VR = 20 V; typical values. (4) VR = 5 V; typical values. Fig.5 104 Reverse current as a function of junction temperature. 103 1.0 MBG531 handbook, halfpage 102 Cd (pF) 0.9 10 1 0.8 10-1 0 0.25 0.50 0.75 V (V) 1.00 F 0.7 10-1 1 10 VR (V) 102 Tj = 25 C. f = 1 MHz; Tj = 25 C. Fig.4 Forward current as a function of forward voltage; typical values. Fig.6 Diode capacitance as a function of reverse voltage; typical values. 1996 Mar 13 4 Philips Semiconductors Product specification Picoampere diode BAV45 handbook, full pagewidth tr D.U.T. 10% SAMPLING OSCILLOSCOPE R i = 50 VR 90% tp t RS = 50 V = VR I F x R S IF IF t rr t (1) MGA881 input signal output signal Fig.7 Reverse recovery time test circuit and waveforms. 1996 Mar 13 5 Philips Semiconductors Product specification Picoampere diode PACKAGE OUTLINE BAV45 handbook, full pagewidth 1.16 max 45 o 1 O 4.8 max O 0.51 max 1.17 max 2 2.54 5.8 max 5.3 max 12.7 min MBA509 Dimensions in mm. Fig.8 SOT18/15; TO-18 (except for the two leads). 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 13 6 |
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