MAVR-000082-0287T - M/A-COM Technology Solutions, Inc.

• 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.macomtech.com for additional data sheets and prod uct information.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

Surface Mount Hyperabrupt Wide-Band Tuning Varactors

Rev. V6

MA4ST079 thru MA4ST083 Series

ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology 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 M/A-COM Technology

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.

Commitment to produce in volume is not guaranteed.

Features

• Low Cost

• Very High Capacitance Rati o from 1 to 8 Volts

• Surface Mount Package

• High Quality Factor

• Useful for Battery Applications

• SPC Monitored Ion Implantation for Excellent C-

V Repeatability

• Singles and Common Cathode Pai rs

• Available in Tape and Reel

• Lead-Free (RoHs Compliant) equivalents avail-

able with 260°C reflow compatibility

Description

The MA4ST079 through MA4ST083 seri es of silicon

hyperabrupt junction tuning varactors is produced

with ion implantation and advanced epitaxial growth

techniques. These diodes have thermal oxide pas-

sivation, and feature very high capacitance ratio and

quality factor. They are well suited for use from the

sub-HF through UHF frequency range. The standard

capacitance tolerance is ±10%, with tighter toler-

ances available. Capacitance matching at one or

more bias voltages is also available.These diodes

are offered with standard Sn/Pb plating , as well as

100% matte Sn plating on our RoHs compliant

equivalent devices.

Applications

The MA4ST079 through MA4ST083 series of hy-

perabrupt junction tuning varactors is suggested for

usage where a large frequency change is required

with only a small change in tuning voltage. This se-

ries is appropriate for usage in wide band voltage-

controlled oscillators and voltage controlled filters

which require the largest rate of change of capaci-

tance with voltage. The large change in capacitance

from 1 to 8 volts makes them very attractive for bat-

tery operated or other systems with limited available

control voltage. The MA4ST079 through MA4ST083

family can be used in VCOs and VTFs from approxi-

mately 100 KHz through the UHF frequency ban d.

Absolute Maximum Ratings 1,2

@ TA=+25 °C (Unless Otherwise Noted)

1. Operation of this device above any one of these parameters

may cause permanent damage.

2. Please refer to application note M538 for surface mounting

instructions

Parameter Absolute Maximum

Reverse Voltage 12 V

Forward Current 50 mA

Operating Temperature -65 °C to +125 °C

Storage Temperature -65 °C to +125 °C

Power Dissipation 50mW @25°C

Part Number RoHs Compliant Part Number3

MA4ST079 MAVR-000079-XXXXXX

MA4ST080 MAVR-000080-XXXXXX

MA4ST081 MAVR-000081-XXXXXX

MA4ST082 MAVR-000082-XXXXXX

MA4ST083 MAVR-000083-XXXXXX

3. Suffix refers to package style , configuration and packaging

requirements. See electrical specification for complete

part number offerings

SOT-23

Configurations

Ordering Information

Specifications are subject to change without prior notification

• 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.macomtech.com for additional data sheets and prod uct information.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

Surface Mount Hyperabrupt Wide-Band Tuning Varactors

Rev. V6

MA4ST079 thru MA4ST083 Series

ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology 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 M/A-COM Technology

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.

Commitment to produce in volume is not guaranteed.

Electrical Specifications @ TA = +25 °C

Breakdown Voltage @ IR = 10

A, Vb = 12 V Minimum

Reverse Leakage Current @ VR =10V, IR = 100 nA Maximum

Temperature Coefficient of Capacitance @VR=8 Volts, TCC=400ppm/°C Typic al

1. The prefix defines package style, configuration and packaging information. Contact representative for complete part identification.

2. Capacitance @ 1 MHz

3. Performance curves also reflect that of the RoHs equivalent part

Typical Performance Curves 3

Part Number

Base 1 RoHS Compliant

Part No. Base 1

Typ.

Capacitance

Ratio

Ct1V/Ct8V

Typical Q

VR = 1 V

f = 1 MHz VR = 2.5 V

f = 1 MHz VR = 4 V

f = 1 MHz VR = 8 V

f = 1 MHz VR = 1V/8V

f = 1 MHz VR = 4 V

f = 50 MHz

Min. Min. Max. Max Max. Typ. Typ.

MA4ST079CK-287T MAVR-000079-0287FT 87.4 48.7 59.5 27.3 11.8 9.1 80

MA4ST080-287T MAVR-000080-0287AT 40.0 22.3 27.3 13.1 5.5 8.9 150

MA4ST080CK-287T MAVR-000080-0287FT 40.0 22.3 27.3 13.1 5.5 8.9 150

MA4ST081-287T MAVR-000081-0287AT 16.2 9.1 11.1 5.2 2.4 8.5 300

MA4ST081CK-287T MAVR-000081-0287FT 16.2 9.1 11.1 5.2 2.4 8.5 300

MA4ST082-287T MAVR-000082-0287AT 11.5 6.6 8.0 3.8 1.8 8.2 350

MA4ST082CK-287T - 11.5 6.6 8.0 3.8 1.8 8.2 350

MA4ST083-287T MAVR-000083-0287AT 7.9 4.5 5.5 2.6 1.3 7.8 450

MA4ST083CK-287T MAVR-000083-0287FT 7.9 4.5 5.5 2.6 1.3 7.8 450

Ct (pF) 2

Total Capacitance vs. Reve rse Voltage Nominal vs. Reverse Voltage

Specifications are subject to change without prior notification

• 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.macomtech.com for additional data sheets and prod uct information.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

Surface Mount Hyperabrupt Wide-Band Tuning Varactors

Rev. V6

MA4ST079 thru MA4ST083 Series

ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology 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 M/A-COM Technology

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.

Commitment to produce in volume is not guaranteed.

Case Styles

INCHES MILLIMETERS

DIM. MIN. MAX. MIN. MAX.

A ⎯ 0.048 ⎯ 1.22

B ⎯ 0.008 ⎯ 0.20

C ⎯ 0.040 ⎯ 1.00

D 0.013 0.020 0.35 0.50

E 0.003 0.006 0.08 0.15

F 0.110 0.119 2.80 3.00

G 0.047 0.056 1.20 1.40

H 0.037 typical 0.95 typical

J 0.075 typical 1.90 typical

K ⎯ 0.103 ⎯ 2.60

L ⎯ 0.024 ⎯ 0.60

DIM. GRADIENT

M 10° max.

N 2° . . .30°

SOT-23 (Case Style 287)

Mounting Information

The illustration indicates the recommended

mounting pad configuration for the

SOT-23 package. Solder paste containing flux

should be screened onto the pads to a thickness of

0.005- 0.007 inches. The plastic package is placed

in position, firmly adhering to the solder paste.

Permanent attachment is performed by a reflow

soldering procedure during which the tab

temperature does not exceed +275 °C and the body

temperature does not exceed +250 °C, for standard

models and +260 °C for the RoHS compliant

devices.

Please refer to Application Note M538 for surface

mounting instructions.

SOT-23 (Case Style 287)

0.75

1.9

.037

0.95

.035

0.90

.090

2.2

.030

0.80

inches

Dimenstions:

min.

SOT-23

Specifications are subject to change without prior notification