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2
Surface Mount Hyperabrupt Varactors
M/A-COM Products
Rev. V4
MA4ST400 Series
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
MA-COM Technical Solutions and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product MA-COM Technical Solutions is
considering for development. Performance is based on target specifications, simulated results, and/
or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product MA-COM Technical Solutions
has under development. Performance is based on engineering tests. Specifications are typical.
Mechanical outline has been fixed. Engineering samples and/or test data may be available. Commit-
ment to produce in volume is not guaranteed.
Electrical Specifications @ TA = +25 °C
Breakdown Voltage @ IR = 10μA, Vb = 22 V Minimum
Reverse Leakage Current @ VR =20V, IR = 100 nA Maximum
1.
The suffix defines package style, configuration and packaging information. Contact representative for complete part identification.
2.
Capacitance specification is per diode
Part Number
Base
1
RoHS Compliant
Part No. Base
1
CT
2
Capacitance
Ratio
Q Factor
(pF)
f = 1 MHz, VR = 4.0 V
CT2.0/CT20
f = 50 MHz
VR = 4.0 V
Min.
Nom.
Max.
Typ.
Min.
MA4ST401-287T
MAVR-000401-0287AT
9.0
10.0
11.0
6
250
MA4ST403-287T
MAVR-000403-0287AT
13.5
15.0
16.5
7
250
MA4ST404-287T
MAVR-000404-0287AT
16.2
18.0
19.8
7
175
MA4ST405-287T
MAVR-000405-0287AT
19.8
22.0
24.2
7.5
175
MA4ST406-287T
MAVR-000406-0287AT
24.3
27.0
29.7
8
150
MA4ST407-287T
MAVR-000407-0287AT
29.7
33.0
36.3
9
150
MA4ST408-287T
MAVR-000408-0287AT
35.1
39.0
42.9
9.5
150
MA4ST409-287T
MAVR-000409-0287AT
42.3
47.0
51.7
9.5
150
MA4ST401CK-287T
MAVR-000401-0287FT
9.0
10.0
11.0
6
250
MA4ST403CK-287T
MAVR-000403-0287FT
13.5
15.0
16.5
7
250
MA4ST404CK-287T
MAVR-000404-0287FT
16.2
18.0
19.8
7
175
MA4ST405CK-287T
MAVR-000405-0287FT
19.8
22.0
24.2
7.5
175
MA4ST406CK-287T
MAVR-000406-0287FT
24.3
27.0
29.7
8
150
MA4ST407CK-287T
MAVR-000407-0287FT
29.7
33.0
36.3
9
150
MA4ST408CK-287T
MAVR-000408-0287FT
35.1
39.0
42.9
9.5
150
MA4ST409CK-287T
MAVR-000409-0287FT
42.3
47.0
51.7
9.5
150
Specifications are subject to change without prior notification