DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D169 BZV37 Bidirectional voltage regulator diode Product specification Supersedes data of April 1992 1996 Apr 26 Philips Semiconductors Product specification Bidirectional voltage regulator diode BZV37 FEATURES DESCRIPTION • Low total power dissipation: max. 400 mW Low-power voltage regulator diode in an hermetically sealed leaded glass SOD68 (DO-34) package. • Working voltage: nom. 6.5 V • Non-repetitive peak reverse power dissipation: max. 40 W handbook, halfpage • Bidirectional. MAM247 The diode is type branded. APPLICATIONS • Voltage stabilizer and transient protection element. Fig.1 Simplified outline (SOD68; DO-34) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS IZ continuous working current IZSM non-repetitive peak reverse current MIN. MAX. UNIT − 50 t = 30 s; t1 = 8 µs; t2 = 20 µs; Tj = 25 °C prior to surge; see Fig.3 − 7 A t = 30 s; t1 = 10 µs; t2 = 1000 µs; Tj = 25 °C prior to surge; see Fig.3 − 2 A mA Ptot total power dissipation Tamb ≤ 25 °C − 400 PZSM non-repetitive peak reverse power dissipation tp = 100 µs square wave; Tj = 25 °C prior to surge; see Fig.2 − 40 W Tstg storage temperature −65 +200 °C Tj junction temperature − 200 °C mW ELECTRICAL CHARACTERISTICS Tj = 25 °C; unless otherwise specified. SYMBOL PARAMETER VZ working voltage V(CL)R clamping voltage CONDITIONS IZtest = 5 mA MIN. NOM. 6.2 6.5 MAX. 6.8 UNIT V IZSM = 7 A; t1 = 8 µs; t2 = 20 µs − − 25 V IZSM = 2 A; t1 = 10 µs; t2 = 1000 µs − − 15 V IZtest = 5 mA − − 20 Ω rdiff differential resistance SZ temperature coefficient IZtest = 5 mA − − Cd diode capacitance VR = 0 V − − 150 pF IR reverse current VR = 4 V − − 10 µA 1996 Apr 26 0.1 %/K VR = 4 V; Tj = 150 °C − − 30 µA VR = 2 V − − 3 µA 2 Philips Semiconductors Product specification Bidirectional voltage regulator diode BZV37 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT Rth j-tp thermal resistance from junction to tie-point lead length 8 mm 300 K/W Rth j-a thermal resistance from junction to ambient lead length max.; note 1 380 K/W Note 1. Device mounted on a printed circuit-board without metallization pad. GRAPHICAL DATA MBG801 103 handbook, halfpage handbook,I halfpage ZSM PZSM (W) (%) 100 90 102 50 (1) 10 (2) 10 t t1 1 10−1 1 duration (ms) t2 10 MLC733 (1) Tj = 25 °C (prior to surge). (2) Tj = 150 °C (prior to surge). Fig.2 1996 Apr 26 Maximum permissible non-repetitive peak reverse power dissipation versus duration. Fig.3 3 Current pulse according to IEC 60-2, Section 6. Philips Semiconductors Product specification Bidirectional voltage regulator diode BZV37 PACKAGE OUTLINE handbook, full pagewidth 0.55 max 1.6 max 25.4 min 3.04 max 25.4 min MSA478 Dimensions in mm. Fig.4 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 Apr 26 4