Surface Mount Hyperabrupt Varactors

MA4ST300 Series

M/A-COM Division of AMP Incorporated

3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087

3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

www.macom.com

AMP and Connecting at a Higher Level are trademarks.

Specifications subject to change without notice.

Electrical Specifications @ T

Minimum Breakdown Voltage (V

10 µA,

Maximum Reverse (I

1

10

100

1

1 0

100

RE VE RS E VO L T AG E ( V o lt s )

M A 4 S T 409

M A 4 S T 407

M A 4 S T 405

M A 4 S T 403

M A 4 S T 401

Typical Performance Curves

NOMINAL CHANGE in CAPACITANCE with

TEMPERATURE

TOTAL CAPACITANCE (pF) vs REVERSE

VOLTAGE

15 0

20 0

25 0

30 0

35 0

40 0

0

2

4

6

8

10

12

14

16

18

20

RE VE RS E V O L T AG E ( V o lt s )

Case Styles

SOT-23

Case Style 287

F

D

H

J

A

G

L

C

E

B

K

N

M

SOT-23 (Case Style 287)

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.

1

N

2° . . . 30°

Note:

1. Applicable on all sides.

Model

Number

Total

Capacitance

C

Minimum

Capacitance

Ratio C

Maximum

Q

MA4ST401

10 pF

6.0

250

MA4ST402

12 pF

6.5

250

MA4ST403

15 pF

7.0

250

MA4ST404

18 pF

7.0

175

MA4ST405

22 pF

7.5

175

MA4ST406

27 pF

8.0

150

MA4ST407

33 pF

9.0

150

MA4ST408

39 pF

9.5

150

MA4ST409

47 pF

9.5

150

Test

F = 1 MHz

F = 1 MHz

F = 50 MHz

Conditions

V

V