DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D050 BAS45A Low-leakage diode Product specification Supersedes data of June 1994 1996 Mar 13 Philips Semiconductors Product specification Low-leakage diode BAS45A FEATURES DESCRIPTION * Continuous reverse voltage: max. 125 V Epitaxial medium-speed switching diode with a low leakage current in a hermetically-sealed glass SOD68 (DO-34) package. * Repetitive peak forward current: max. 625 mA * Low reverse current: max. 1 nA * Switching time: typ. 1.5 s. k handbook, halfpage a MAM156 APPLICATION * Low leakage current applications. Fig.1 Simplified outline (SOD68; DO-34) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VRRM repetitive peak reverse voltage - 125 V VR continuous reverse voltage - 125 V IF continuous forward current - 250 mA IFRM repetitive peak forward current - 625 mA IFSM non-repetitive peak forward current square wave; Tj = 25 C prior to surge; see Fig.4 tp = 1 s - 4 A tp = 1 ms - 1 A tp = 1 s - 0.5 A see Fig.2; note 1 Ptot total power dissipation - 300 Tstg storage temperature Tamb = 25 C -65 +175 C Tj junction temperature - 175 C Note 1. Device mounted on a printed-circuit board without metallization pad. 1996 Mar 13 2 mW Philips Semiconductors Product specification Low-leakage diode BAS45A ELECTRICAL CHARACTERISTICS Tj = 25 C unless otherwise specified. SYMBOL VF IR PARAMETER forward voltage reverse current CONDITIONS TYP. MAX. UNIT see Fig.3 IF = 1 mA - 780 mV IF = 10 mA - 860 mV IF = 100 mA - 1000 mV VR = 125 V; Emax = 100 lx - 1 nA VR = 30 V; Tj = 125 C; Emax = 100 lx - 300 nA VR = 125 V; Tj = 125 C; Emax = 100 lx - 500 nA VR = 125 V; Tj = 150 C; Emax = 100 lx - 2 A - 4 pF 1.5 - s see Fig.5 Cd diode capacitance f = 1 MHz; VR = 0; see Fig.6 trr reverse recovery time when switched from IF = 10 mA to IR = 10 mA; RL = 100 ; measured at IR = 1 mA; see Fig.7 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT Rth j-tp thermal resistance from junction to tie-point 8 mm from the body 300 K/W Rth j-a thermal resistance from junction to ambient lead length 10 mm; note 1 500 K/W Note 1. Device mounted on a printed-circuit board without metallization pad. 1996 Mar 13 3 Philips Semiconductors Product specification Low-leakage diode BAS45A GRAPHICAL DATA MBG522 300 MBG523 300 handbook, halfpage handbook, halfpage IF (mA) IF (mA) (1) 200 200 100 100 0 0 100 Tamb (oC) (2) (3) 0 200 0 0.5 Device mounted on a printed-circuit board without metallization pad. (1) Tj = 150 C; typical values. (2) Tj = 25 C; typical values. (3) Tj = 25 C; maximum values. Fig.2 Fig.3 Maximum permissible continuous forward current as a function of ambient temperature. 1.0 VF (V) 1.5 Forward current as a function of forward voltage. MBG704 102 handbook, full pagewidth IFSM (A) 10 1 10-1 1 10 102 103 tp (s) Based on square wave currents;Tj = 25 C prior to surge. Fig.4 Maximum permissible non-repetitive peak forward current as a function of pulse duration. 1996 Mar 13 4 104 Philips Semiconductors Product specification Low-leakage diode BAS45A MBD456 4 10halfpage handbook, IR (nA) 3 MBG524 3 handbook, halfpage Cd (pF) 10 2 max 10 2 typ 10 1 1 10 1 0 0 50 100 T j ( oC) 150 0 5 VR = 125 V. f = 1 MHz; Tj = 25 C. Fig.5 Fig.6 Reverse current as a function of junction temperature. handbook, full pagewidth tr 10 15 VR (V) 20 Diode capacitance as a function of reverse voltage; typical values. tp t D.U.T. RS = 50 V = VR I F x R S IF 10% IF SAMPLING OSCILLOSCOPE t R = 50 i MGA881 (1) 90% VR input signal Fig.7 Reverse recovery time test circuit and waveforms. 1996 Mar 13 t rr 5 output signal Philips Semiconductors Product specification Low-leakage diode BAS45A 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. The black marking band indicates the cathode. Fig.8 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 13 6