FSD270TA Diodes Zetex, FSD270TA Datasheet

DIODE VARIABLE CAP CC SOT23-3

FSD270TA

Manufacturer Part Number
FSD270TA
Description
DIODE VARIABLE CAP CC SOT23-3
Manufacturer
Diodes Zetex
Datasheet

Specifications of FSD270TA

Capacitance @ Vr, F
36.3pF @ 2V, 1MHz
Capacitance Ratio
6.5
Capacitance Ratio Condition
C2/C20
Voltage - Peak Reverse (max)
25V
Diode Type
1 Pair Common Cathode
Q @ Vr, F
200 @ 3V, 50MHz
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
SILICON DUAL VARIABLE CAPACITANCE DIODE
SUMMARY
V
DESCRIPTION
The FSD270 is a new hyperabrupt SOT23 packaged dual common cathode varactor
diode , offering users both compact circuit design and impressive performance
comprising tightly controlled CV characteristics, a capacitance of typically 33 pf @
2V,excellent phase noise performance and high Q of 200 min.
This superior performance in the VHF and UHF ranges has been optimised to meet
the high filtering requirements of a wide range of Digital Audio Broadcasting (DAB)
module circuits , mobile radios, pagers, voltage controlled crystal oscillators
(VCXO) and temperature controlled crystal oscillators (TCXO).
FEATURES
APPLICATIONS
ORDERING INFORMATION
The FSD270 is capacitance selected into 3 bands. A reel will only contain one band - A,B or C. Shipments of more
than 1 reel may contain reels from different bands.
ISSUE 1 - AUGUST 2002
DEVICE
FSD270TA
BR
Common Cathode dual Diode ( monolithic construction )
VHF- UHF operation
Close tolerance CV characteristics
High Tuning Ratio
Low I
Performance ( I
High Q
DAB Receiver Modules for use with:
Voltage and Temperature Controlled Crystal Oscillators
Mobile Radio and Pagers.
=25V; I
R
-Low voltage battery portables
-Hi-Fi
-In car radio
-MP3 players
, enabling excellent Phase Noise
R
=20nA; C
REEL SIZE
7 (180mm)
R
typically < 200pA @ 20V )
d
=33pF(Nom)
TAPE WIDTH
8mm embossed
1
QUANTITY PER REEL
3000 units
PIN CONFIGURATION
2
C1
C2
FSD270
Top View
SOT23
1
3
A1
A2

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FSD270TA Summary of contents

Page 1

... Voltage and Temperature Controlled Crystal Oscillators Mobile Radio and Pagers. ORDERING INFORMATION DEVICE REEL SIZE TAPE WIDTH FSD270TA 7 (180mm) 8mm embossed The FSD270 is capacitance selected into 3 bands. A reel will only contain one band - A Shipments of more than 1 reel may contain reels from different bands. ISSUE 1 - AUGUST 2002 ...

Page 2

... As this is a final test measurement customers will not have the option to specify a capacitance at the time of ordering and will be obliged to accept the band into which the devices are tested. - Purchase orders can be placed in multiples of 3000 units / reel for device type FSD270TA - Samples can be obtained from Zetex Plc quoting device type #FSD270TA MIN ...

Page 3

APPLICATIONS INFORMATION FSD270 in Digital Audio Broadcasting (DAB) Circuits Digital audio is set to dominate car radio and other mobile radio applications. Most of the required functions can be achieved with a single integrated circuit. One parts of the circuit ...

Page 4

FSD270 CHARACTERISTICS 4 ISSUE 1 - AUGUST 2002 ...

Page 5

PACKAGE OUTLINE PACKAGE DIMENSIONS DIM Millimetres Inches Min Max Min Max A 2.67 3.05 0.105 0.120 B 1.20 1.40 0.047 0.055 C – 1.10 – 0.043 D 0.37 0.53 0.0145 0.021 F 0.085 0.15 0.0033 0.0059 G NOM 1.9 NOM ...

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