BB179

DISCRETE SEMICONDUCTORS DATA SHEET M3D319 BB179 UHF variable capacitance diode Product specification 1997 Nov 13 Philips Semiconductors Product specification UHF variable capacitance diode FEATURES Excellent linearity Excellent matching to 2% DMA Ultra small plastic SMD package C28: 2.1 pF; ratio: 9 Low series resistance. APPLICATIONS Electronic tuning in UHF television tuners Voltage controlled oscillators (VCO). DESCRIPTION The BB179 is a planar technology variable capacitance diode, in a SOD523 (SC-79) package. The excellent matching performance is achieved by gliding matching and a direct matching assembly procedure. PINNING PIN 1 2 DESCRIPTION cathode anode 
MIN. − − − −55 −55 MIN. − − − 18.22 − BB179 handbook, 1 2 columns 2 9 MBK441 Marking code: 9. Orientation of marking code as shown. Cathode side indicated by a bar. Fig.1 Simplified outline (SOD523; SC-79) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VR VRM IF Tstg Tj PARAMETER continuous reverse voltage peak reverse voltage continuous forward current storage temperature operating junction temperature in series with a 10 kΩ resistor CONDITIONS MAX. 30 35 20 +150 +125 V V mA °C °C UNIT ELECTRICAL CHARACTERISTICS Tj = 25 °C unless otherwise specified. SYMBOL IR rs Cd PARAMETER reverse current diode series resistance diode capacitance capacitance ratio CONDITIONS VR = 30 V; see Fig.3 VR = 30 V; Tj = 85 °C; see Fig.3 f = 470 MHz; VR is t...