LESHAN RADIO COMPANY, LTD.
UHF Variable Capacitance Diode
FEATURES · Excellent linearity · Excellent matching to 0.5% DMA · Very small plastic SMD package · C28: 1.9 pF; ratio: 10. · Low series resistance. APPLICATIONS · Electronic tuning in UHF television tuners. · VCO. DESCRIPTION The BB134 is a variable capacitance diode fabricated in planar technology, and encapsulated in the SOD323 very small plastic SMD package. The excellent matching performance is achieved by a direct matching assembly procedure. The unmatched type, BB135 has the same specification.
1
BB134
2
SOD– 323
MARKING DIAGRAM
P4 1 CATHODE 2 ANODE
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. VR continuous reverse voltage – 30 IF continuous forward current – 20 Tstg storage temperature –55 +150 Tj operating junction temperature –55 +125
UNIT V mA °C °C
ELECTRICAL CHARACTERISTICS Tj = 25 °C unless otherwise specified. SYMBOL IR rs Cd Cd( 0.5V ) Cd (28V ) ∆C d Cd Note 1. VR is the value at which Cd = 9 pF. PARAMETER reverse current diode series resistance diode capacitance capacitance ratio capacitance matching CONDITIONS V R = 30 V; see Fig.2 VR = 30 V; Tj = 85 °C; see Fig.2 f = 470 MHz; note VR = 0.5 V; f = 1 MHz; see Figs 1 and 3 VR = 28 V;f = 1 MHz; see Figs 1 and 3 f = 1 MHz VR = 0.5 to 28 V; in a sequence of 4 diodes (gliding) VR= 0.5 to 28 V; in a sequence of 15 diodes (gliding) MIN. – – – 17.5 1.7 8.9 – – MAX. UNIT 10 200 0.75 21 2.1 12 0.5 2 % % nA nA Ω pF pF
BB134–1/2
LESHAN RADIO COMPANY, LTD.
BB134
f = 1 MHz; Tj = 25 °C.
Fig.1 Diode capacitance as a function of reverse voltage; typical values.
Tj = 0 to 85 °C.
Tj °C.
VR (V).
Fig.2 Reverse current as a function of junction temperature; maximum values.
Fig.3 Temperature coefficient of diode capacitance as a function of reverse voltage; typical values.
BB134–2/2
很抱歉,暂时无法提供与“BB134”相匹配的价格&库存,您可以联系我们找货
免费人工找货