DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D049 BA591 Band-switching diode Product specification Supersedes data of 1998 Aug 18 1998 Aug 31 Philips Semiconductors Product specification Band-switching diode BA591 FEATURES DESCRIPTION • Very small plastic SMD package The BA591 is a planar, high performance band-switching diode in the very small SOD323 SMD plastic package. • Low diode capacitance: max. 1.05 pF • Low diode forward resistance: max. 0.7 Ω PINNING PIN DESCRIPTION 1 cathode 2 anode • Small inductance. handbook, halfpage 1 2 APPLICATIONS • Low loss band-switching in VHF television tuners • Surface mount band-switching circuits. MAM406 Marking code: A1. The marking band indicates the cathode. Fig.1 Simplified outline (SOD323) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VR continuous reverse voltage − 35 V IF continuous forward current − 100 mA Ptot total power dissipation − 500 mW Tstg storage temperature Ts = 90 °C −65 +150 °C Tj junction temperature −65 +150 °C ELECTRICAL CHARACTERISTICS Tj = 25 °C unless otherwise specified. SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT VF forward voltage IF = 10 mA − 1 V IR reverse current VR = 20 V − 20 nA Cd diode capacitance f = 1 MHz; note 1; see Fig.2 VR = 1 V 0.8 1.05 pF VR = 3 V 0.65 0.9 pF IF = 3 mA 0.45 0.7 Ω IF = 10 mA 0.36 0.5 Ω rD diode forward resistance 1/gp reverse resistance LS series inductance f = 100 MHz; note 1; see Fig.3 VR = 1 V; f = 100 MHz; note 1 Note 1. Guaranteed on AQL basis; inspection level S4, AQL 1.0. 1998 Aug 31 2 100 − kΩ 2 − nH Philips Semiconductors Product specification Band-switching diode BA591 THERMAL CHARACTERISTICS SYMBOL PARAMETER thermal resistance from junction to soldering point Rth j-s VALUE UNIT 120 K/W GRAPHICAL DATA MGL477 1.6 MGL476 10 handbook, halfpage handbook, halfpage Cd (pF) rD (Ω) 1.2 1 0.8 0.4 10−1 10−1 0 0 10 20 VR (V) 30 f = 1 MHz; Tj = 25 °C. f = 100 MHz; Tj = 25 °C. Fig.2 Fig.3 Diode capacitance as a function of reverse voltage; typical values. 1998 Aug 31 3 1 10 IF (mA) 102 Diode forward resistance as a function of forward current; typical values. Philips Semiconductors Product specification Band-switching diode BA591 PACKAGE OUTLINE SOD323 Plastic surface mounted package; 2 leads A A1 , Q c Lp v M A HE A D 1 E bp 2 (1) 0 1 2 mm scale DIMENSIONS (mm are the original dimensions) UNIT A A1 max. bp mm 1.1 0.8 + 0.05 − 0.05 0.40 0.25 c D E HE Lp Q v 0.25 0.10 1.8 1.6 1.35 1.15 2.7 2.3 0.45 0.15 0.25 0.15 0.2 Note 1. The marking bar indicates the cathode. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ SOD323 1998 Aug 31 EUROPEAN PROJECTION ISSUE DATE 98-09-14 4 Philips Semiconductors Product specification Band-switching diode BA591 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. 1998 Aug 31 5 Philips Semiconductors Product specification Band-switching diode BA591 NOTES 1998 Aug 31 6 Philips Semiconductors Product specification Band-switching diode BA591 NOTES 1998 Aug 31 7 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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