1T409 Datasheet, PDF (1/4 Pages) Sony Corporation – Variable Capacitance Diode

Variable Capacitance Diode
1T409
Description
The 1T409 is a variable capacitance diode
designed for UHF-band VCO using a super-small-
miniature flat package (SSVC).
M-290
Features
• Super-small-miniature flat package
• Low series resistance: 0.4 Ω Max. (f=470 MHz)
• Large capacitance ratio: 2.5 Typ. (C2/C10)
• Small leakage current: 3 nA Max. (VR=15 V)
Applications
• UHF-band VCO
• Local oscillator for cordless telephone
• Local oscillator for cellular equipment
Absolute Maximum Ratings (Ta=25 °C)
• Reverse voltage
VR
15
V
• Operating temperature Topr –35 to +85 °C
• Storage temperature Tstg –65 to +150 °C
Structure
Silicon epitaxial planar type diode
Electrical Characteristics
Item
Symbol
Conditions
Reverse current
Diode capacitance
Capacitance ratio
Series resistance
IR
C2
C10
C2/C10
rs
VR=15 V
VR=2 V, f=1 MHz
VR=10 V, f=1 MHz
VR=5V, f=470 MHz
(Ta=25 °C)
Min.
Typ.
Max.
Unit
3
nA
14.26
15.96
pF
5.46
6.46
pF
2.2
2.5
0.3
0.4
Ω
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E96144A98-TE