SMV1269-074 查看數據表（PDF） - Alpha Industries
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SMV1269-074 Datasheet PDF : 2 Pages
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Hyperabrupt Junction Tuning Varactor
Features
s High Capacitance Ratio
s Ultra Small Size SC-70 Package
s Designed for High Volume, Low Cost
Battery Applications
s Available in Tape and Reel Packaging
SMV1269-074
Description
The SMV1269-074 is a dual silicon hyperabrupt junction
varactor diode in a common cathode configuration
specifically designed for battery operation.The specified
high capacitance ratio and low RS of this varactor make it
appropriate for low noise VCOs used at frequencies in
wireless systems to beyond 2.5 GHz. Applications include
low noise and wideband UHF and VHF VCO for GSM, PCS,
CDMA and analog phones.
Absolute Maximum Ratings
Characteristic
Forward Current (IF)
Power Dissipation (PD)
Storage Temperature (TST)
Operating Temperature (TOP)
Value
20 mA
250 mW
-55°C to +150°C
-55°C to +125°C
Electrical Specifications at 25°C
Parameter
Reverse Current (IR)
Capacitance (CT)
Capacitance (CT)
Capacitance Ratio (CTR)
Series Resistance (RS)
Breakdown Voltage (VBR)
Condition
VR = 8 V
CT @ 0.5 V, VR = 0.5 V, F = 1 MHz
CT @ 2.5 V, VR = 2.5 V, F = 1 MHz
CT (0.5 V)/CT (2.5 V)
VR = 1 V, F = 900 MHz
IR = 10 µA
Min.
19.2
6.5
2.5
10.0
Typ.
20.5
7.3
2.8
0.6
Max.
20.0
21.8
8.1
0.8
Unit
nA
pF
pF
Ω
V
Common Cathode Configuration
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
1
Specifications subject to change without notice. 1/01A
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