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950 series
SILICON LOW VOLTAGE HYPERABRUPT VARACTOR DIODES
ZV950V2, ZV952V2, ZV953V2, ZMDC953, FSD273
Device Description
A range of silicon varactor diodes for use in frequency control and
filtering. Featuring closely controlled CV characteristics, low voltage
operation and high Q. Low reverse current ensures very low phase
noiseperformance.Thesepartscanbeusedwithcontrolvoltagesfrom
0.5V to 2.5V, making them ideal for 3 volt systems. Available in
miniature surface mount packages.
Features
Close tolerance C-V characteristics
•
• Tuning from 0.5 to 2.5 Volts to suit 3 volt systems
• Low I
• Excellent phase noise performance
• High Q at low voltage
• Miniature surface mount packages
• Band selection for DAB applications - FSD273
(typically 10pA)
R
Applications
•
VCXO and TCXO
•
Wireless communications
•
Pagers
•
Mobile radio
•
Digital Radio receivers
ISSUE 2 - MAY 2002
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950 series
TUNING CHARACTERISTICS at T
PART CAPACITANCE pF
=0.5V, f=1MHz
V
R
ZV950V2 9.5 6.3 7.8 2.0 250
ZV952V2 19 12.7 15.7 2.0 250
ZV953V2 45 30 37 2.0 200
ZMDC953(DUAL) 45 30 37 2.0 250
ZMDC953 is available banded to tighter capacitance range. This product has the order code FSD273TA.
Measured at VR=1.5V the bands are
Band A = 30.0 to 32.5
Band B = 32.3 to 34.7
Band C = 34.5 to 37.0
Product is supplied in reels. A banded reel will onlycontain a single band. Shipments containing several reels
may have reels in differentbands. It is not possible to supplya specific band as processing affects which bands
are available
=25C
amb
CAPACITANCE pF
VR=1.5V, f=1MHz
Min Min Max Min
CAPACITANCE
RATIO C
0.5/C2.5
f=1MHz
Minimum Q
=0.5V
V
R
f=50MHz
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL MAX UNIT
Reverse voltage V
Forward current I
Power dissipation at T
Power dissipation at T
=25⬚C SOD523 P
amb
=25⬚C SOT323 P
amb
R
F
tot
tot
12 V
100 mA
250 mW
300 mW
ELECTRICAL CHARACTERISTICS at Tamb = 25°C
PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Reverse breakdown voltage I
Reverse voltage leakage V
= 10uA 12 V
R
= 8V 0.010 20 nA
R
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TYPICAL CHARACTERISTICS
950 series
100
ZV953V2
10
Capacitance (pF)
Tj= 25°C
J
C
f=1MHz
1
0.1 1 10
ZMDC953
ZV952V2
ZV950V2
VRReverse Voltage (V)
Capacitance v Reverse Voltage
1.08
Tj= 85°C
Tj= 55°C
Tj= 25°C
Tj= -15°C
Tj= -55°C
0123456
Normalised Capacitance
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
VRReverse Voltage (V)
Normalised Capacitance v Voltage
1.4
Tj= 25°C
1.2
ZV950V2
1.0
0.8
0.6
ZV952V2
0.4
ZV953V2
0.2
Series Resistance(⍀)
S
R
0.0
10 100 1000
ZMDC953
Frequency (MHz)
Series ResistancevFrequency
1000
800
600
400
/T(p p m/°C )
J
200
DC
0
0123456
VRReverse Voltage (V)
Tj= -55°C to +85°C
f=1MHz
CJTemperature Coefficient v V
R
1000
100
10
Reverse Leakage (pA)
R
I
1
024681012
Leakage v Reverse Voltage
ISSUE 2 - MAY 2002
+85°C
+55°C
+25°C
VRReverse Voltage (V)
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950 series
ORDER CODES AND PART MARKING
SOT323SOD523
ORDER CODE PART
MARK
ZV950V2TA 50
ZV952V2TA 52
ZV953V2TA 53 ZMDC953TA 54
ORDER CODE PART
MARK
FSD273TA 55 Band A
FSD273TA 56 Band B
FSD273TA 57 Band C
FSD273 is a band selected version of the ZMDC953. Product is supplied in reels containing a
single capacitance band. Shipments ofseveral reels may contain reelsof different bands. It is
notpossible for customers tospecify aparticularband,because availability is processdependent.
TAPE AND REEL INFORMATION
REEL CODE REEL SIZE TAPE WIDTH QUANTITY PER REEL
TA 7 inch (180mm) 8mm 3000
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SOD523 PACKAGE DIMENSIONS
950 series
MILLIMETRES
MIN. MAX
A ᎏ 0.800
A1 0.000 0.100
A2 0.600 0.800
b1 0.160 0.300
c 0.080 0.220
D 0.700 0.900
E 1.500 1.700
E1 1.100 1.300
L 0.200 0.400
L1 0.170 0.230
⍜1⬚ 4⬚ 10⬚
SOT323 PACKAGE DIMENSIONS
ISSUE 2 - MAY 2002
DIM
Millimetres Inches
MIN MAX MIN MAX
A 1.8 2.2 0.071 0.087
B 1.15 1.35 0.045 0.053
C 0.8 1.0 0.031 0.039
D 0.2 0.4 0.008 0.016
F 0.1 0.25 0.004 0.01
G 1.2 1.4 0.047 0.055
K - 0.1 - 0.004
L 2.0 2.2 0.079 0.087
N 0.60 0.70 0.023 0.028
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950 series
© Zetex plc 2001
Zetex plc
Fields New Road
Chadderton
Oldham, OL9 8NP
United Kingdom
Telephone (44) 161 622 4422
Fax: (44) 161 622 4420
These offices are supported by agents and distributors in major countries world-wide.
Thispublication isissued toprovide outlineinformation onlywhich (unlessagreed bythe Companyin writing)may notbe used, applied or reproduced
for anypurpose or form partof any order orcontract or be regarded as a representation relating to the products or servicesconcerned. The Company
reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.
For the latest product information, log on to
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
www.zetex.com
Zetex Inc
700 Veterans Memorial Hwy
Hauppauge, NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Zetex (Asia) Ltd
3701-04 Metroplaza, Tower 1
Hing Fong Road
Kwai Fong
Hong Kong
Telephone: (852) 26100 611
Fax: (852) 24250 494
ISSUE 2 - MAY 2002
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