DISCRETE SEMICONDUCTORS DATA SHEET alfpage M3D070 BBY62 UHF variable capacitance double diode Product specification Supersedes data of November 1993 1996 May 03 Philips Semiconductors Product specification UHF variable capacitance double diode BBY62 FEATURES • Excellent linearity • Small plastic SMD package • C28:1.9 pF; ratio: 8.3. handbook, halfpage 4 3 APPLICATIONS 4 3 1 2 • Electronic tuning in UHF television tuners • VCO. 1 2 DESCRIPTION Top view The BBY62 is a variable capacitance double diode, fabricated in planar technology, and encapsulated in the SOT143 small plastic SMD package. MAM172 Marking code: S4. The diodes are not electrically connected to one another. Fig.1 Simplified outline (SOT143), pin configuration and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VR continuous reverse voltage − 30 V IF continuous forward current − 20 mA Tstg storage temperature −55 +150 °C Tj operating junction temperature −55 +125 °C ELECTRICAL CHARACTERISTICS Tj = 25 °C; unless otherwise specified. SYMBOL IR PARAMETER reverse current CONDITIONS MIN. − 10 nA VR = 28 V; Tj = 85 °C; see Fig.3 − − 200 nA − 1.2 Ω f = 470 MHz; note 1 − Cd diode capacitance VR = 1 V; f = 1 MHz; see Figs 2 and 4 − VR = 28 V; f = 1 MHz; see Figs 2 and 4 1.6 − f = 1 MHz Note 1. VR is the value at which Cd = 9 pF. 1996 May 03 UNIT − diode series resistance capacitance ratio MAX. VR = 28 V; see Fig.3 rs C d ( 1V ) -------------------C d ( 28V ) TYP. 2 16.5 − pF − 2 pF 8.3 − Philips Semiconductors Product specification UHF variable capacitance double diode BBY62 GRAPHICAL DATA MBE874 20 handbook, full pagewidth Cd (pF) 16 12 8 4 0 10 −1 1 10 10 2 VR (V) f = 1 MHz; Tj = 25 °C. Fig.2 Diode capacitance as a function of reverse voltage; typical values. MLC816 10 3 handbook, halfpage TC d (K−1) IR (nA) 10 4 102 10 MLC815 10 3 handbook, halfpage 0 50 o T j ( C) 10 5 10 1 100 Fig.4 Fig.3 Reverse current as a function of junction temperature; maximum values. 1996 May 03 3 1 10 VR (V) 102 Temperature coefficient of diode capacitance as a function of reverse voltage; typical values. Philips Semiconductors Product specification UHF variable capacitance double diode BBY62 PACKAGE OUTLINE handbook, full pagewidth 3.0 2.8 0.150 0.090 0.75 0.60 B 1.9 4 3 0.1 max o 10 max 0.2 M A B A 1.4 1.2 2.5 max o 10 max 1 1.1 max o 30 max 0.88 2 0 0.1 0.48 0 0.1 0.1 M A B MBC845 1.7 TOP VIEW Dimensions in mm. Fig.5 SOT143. 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 May 03 4