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KV1851K

TOKO Inc
Part Number KV1851K
Manufacturer TOKO Inc
Description VARIABLE CAPACITANCE DIODE
Published Mar 22, 2005
Detailed Description KV1851K VARIABLE CAPACITANCE DIODE FEATURES s s s s s Very Small UFD Surface Mount Package Very Low Series Resistance La...
Datasheet PDF File KV1851K PDF File

KV1851K
KV1851K

Overview
KV1851K VARIABLE CAPACITANCE DIODE FEATURES s s s s s Very Small UFD Surface Mount Package Very Low Series Resistance Large Capacitance Ratio (A = 3.
9 minimum) Excellent Linearity (CV Curve) Very Small Capacitance Deviation at Tape/Reel APPLICATIONS s UHF Communications Equipment s Voltage Controlled Oscillator s 900 MHz Communications Systems DESCRIPTION The KV1851K is a variable capacitance diode designed for UHF applications.
The KV1851K is available in a very small UFD Surface Mount Package.
CLASSIFICATION RANK C MIN C1 MAX 1 25.
00 26.
90 2 26.
50 28.
50 (Unit: pF) 3 28.
10 30.
00 KV1851K Note: Rank is determined after testing and marked on the reel.
All the diodes on a reel have the same rank, but rank can not be specified when ordering.
ORDERING INFORMATION KV1851K Tape/Reel Code TAPE/REEL CODE TR: Tape Right August 1999 TOKO, Inc.
Page 1 KV1851K ABSOLUTE MAXIMUM RATINGS Reverse Voltage 18 V Forward Current .
.
10 mA Power Dissipation .
.
.
50 mW Storage Temperature Range .
.
.
.
-55 to +150 °C Operating Temperature Range .
.
.
.
-55 to +85 °C ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C SYMBOL V REV IREV C1 C4 RS A PARAMETER Reverse Voltage Reverse Current Diode Capacitance 1 Diode Capacitance 4 Series Resistance Capacitance Ratio TEST CONDITIONS IREV = 10 µA VREV = 10 V VREV = 1 V, f = 1 MHz VREV = 4 V, f = 1 MHz VREV = 4 V, f = 100 MHz C1 / C4 3.
90 25.
00 4.
90 MIN 16 5.
00 30.
00 7.
00 1.
7 TYP MAX UNITS V nA pF pF Ω Note 1: Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, ± 5 mVrms).
Note 2: Series Resistance measured with HP 4191A or equivalent instruments.
Page 2 August 1999 TOKO, Inc.
KV1851K TYPICAL PERFOMANCE CHARACTERISTICS CAPACITANCE vs.
REVERSE VOLTAGE 100 TA = +25 °C f = 1 MHz 1000 QUALITY FACTOR vs.
REVERSE VOLTAGE ...


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