DISCRETE SEMICONDUCTORS DATA SHEET k, halfpage M3D050 BA482; BA483; BA484 Band-switching diodes Product specification Supersedes data of January 1982 1996 Apr 17 Philips Semiconductors Product specification Band-switching diodes BA482; BA483; BA484 FEATURES DESCRIPTION • Continuous reverse voltage: max. 35 V Planar high performance band-switching diode in a hermetically sealed glass SOD68 (DO-34) package. • Continuous forward current: max. 100 mA • Low diode capacitance: max. 1.0 to 1.6 pF k handbook, halfpage a • Low diode forward resistance: max. 0.7 to 1.2 Ω. MAM156 The diodes are type branded. APPLICATION • VHF television tuners. Fig.1 Simplified outline (SOD68; DO-34) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VR continuous reverse voltage − 35 IF continuous forward current − 100 mA Tstg storage temperature −65 +150 °C Tj junction temperature − 150 °C TYP. MAX. − 1.2 V ELECTRICAL CHARACTERISTICS Tj = 25 °C unless otherwise specified. SYMBOL PARAMETER CONDITIONS VF forward voltage IF = 100 mA; see Fig.2 IR reverse current see Fig.3 Cd rD 1996 Apr 17 diode capacitance UNIT V VR = 20V − 100 nA VR = 20 V; Tamb = 75 °C − 1 µA f = 1 to 100 MHz; VR = 3 V; see Fig.4 BA482 0.8 1.2 pF BA483 0.7 1.0 pF BA484 1.0 1.6 pF BA482 0.6 0.7 Ω BA483 0.8 1.2 Ω BA484 0.8 1.2 Ω diode forward resistance IF = 3 mA; f = 200 MHz; see Fig.5 2 Philips Semiconductors Product specification Band-switching diodes BA482; BA483; BA484 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT Rth j-tp thermal resistance from junction to tie-point lead length 10 mm 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 FR4 printed-circuit board without metallization pad. GRAPHICAL DATA MBG304 100 (1) (2) MBG303 10 5 handbook, halfpage handbook, halfpage IR (nA) (3) 10 4 IF (mA) 10 3 50 10 2 10 0 0 0.5 1 V F (V) 1 1.5 (1) Tj = 75 °C; typical values. (2) Tj = 25 °C; typical values. (3) Tj = 25 °C; maximum values. Fig.2 1996 Apr 17 0 50 100 Tj ( o C) 150 VR = 20 V. Solid line: maximum values. Dotted line: typical values. Forward current as a function of forward voltage. Fig.3 3 Reverse current as a function of junction temperature. Philips Semiconductors Product specification Band-switching diodes BA482; BA483; BA484 MBG305 1.5 MBG306 2 handbook, halfpage handbook, halfpage Cd (pF) rD (Ω) 1 BA484 1 BA482 0.5 BA483 BA483/484 BA482 0 10−1 1 10 VR (V) 0 102 1 10 f = 1 to 100 MHz; Tj = 25 °C. f = 200 MHz; Tj = 25 °C. Fig.4 Fig.5 Diode capacitance as a function of reverse voltage; typical values. 1996 Apr 17 4 IF (mA) 10 2 Diode forward resistance as a function of forward current; typical values. Philips Semiconductors Product specification Band-switching diodes BA482; BA483; BA484 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. Fig.6 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 17 5