SMV1705-079 データシートの表示（PDF） - Alpha Industries

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SMV1705-079

Hyperabrupt Junction Tuning Varactor

Alpha Industries 

Hyperabrupt Junction Tuning Varactor

Features

s Low Series Resistance

s High Capacitance Ratio

s Ultra Small Size SC-79 Package

s Designed for High Volume, Low Cost

Battery Applications

s Available in Tape and Reel Packaging

SMV1705-079

Description

The SMV1705-079 is a silicon hyperabrupt junction varactor

diode 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

VR = 1 V, F = 1 MHz

VR = 4 V, F = 1 MHz

CT (1 V)/CT (4 V)

VR = 1 V, F = 470 MHz

IR = 10 µA

Min.

Typ.

Max.

Unit

< 0.01

20.0

nA

17.3

18.30

19.3

pF

5.3

6.10

6.6

pF

2.8

3.00

0.32

Ω

12.0

V

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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