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BB405B

Philipss
Part Number BB405B
Manufacturer Philipss
Description UHF variable capacitance diode
Published Jun 3, 2005
Detailed Description DISCRETE SEMICONDUCTORS DATA SHEET alfpage M3D050 BB405B UHF variable capacitance diode Product specification Supersed...
Datasheet PDF File BB405B PDF File

BB405B
BB405B

Overview
DISCRETE SEMICONDUCTORS DATA SHEET alfpage M3D050 BB405B UHF variable capacitance diode Product specification Supersedes data of April 1992 File under Discrete Semiconductors, SC01 1996 May 03 Philips Semiconductors Product specification UHF variable capacitance diode FEATURES • Excellent linearity • Matched to 3% • Hermetically sealed leaded glass SOD68 (DO-34) package • C28: 2 pF; ratio: 8.
3 • Low series resistance.
APPLICATIONS • Electronic tuning in UHF television tuners • VCO.
DESCRIPTION The BB405B is a variable capacitance diode, fabricated in planar technology, and encapsulated in the hermetically sealed leaded glass SOD68 (DO-34) package.
ELECTRICAL CHARACTERISTICS Tj = 25 °C; unless otherwise specified.
SYMBOL IR rs Cd PARAMETER reverse current diode series resistance diode capacitance CONDITIONS VR = 28 V; see Fig.
3 VR = 28 V; Tj = 85 °C; see Fig.
3 f = 470 MHz; note 1 VR = 1 V; f = 1 MHz; see Figs 2 and 4 VR = 3 V; f = 1 MHz; see Figs 2 and 4 VR = 28 V; f = 1 MHz; see Figs 2 and 4 C d ( 1V ) -------------------C d ( 28V ) ∆C d --------Cd Note 1.
VR is the value at which Cd = 9 pF.
capacitance ratio f = 1 MHz MIN.
− − − − − 1.
8 7.
6 TYP.
− − − − 11 − − Cathode side indicated by a white band on a black body.
k handbook, halfpage a BB405B MAM159 Fig.
1 Simplified outline (SOD68; DO34) and symbol.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL VR IF Tstg Tj PARAMETER continuous reverse voltage continuous forward current storage temperature operating junction temperature − − −55 −55 MIN.
MAX.
30 20 +150 +100 V mA °C °C UNIT MAX.
10 200 0.
75 18 − 2.
2 − UNIT nA nA Ω pF pF pF capacitance matching VR = 0.
5 to 28 V − − 3 % 1996 May 03 2 Philips Semiconductors Product specification UHF variable capacitance diode GRAPHICAL DATA BB405B MBE874 handbook, full pagewidth 20 Cd (pF) 16 12 8 4 0 10 −1 f = 1 MHz; Tj = 25 °C.
1 10 VR (V) 10 2 Fig.
2 Diode capacitance as a function of reverse voltage; typic...


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