Microsemi

Scottsdale Division

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

Page 2

Copyright

© 2000

MSC1686.PDF 2-14-2001 REV C

SMS03 thru SMS24

4 LINE UNIDIRECTIONAL TVSarray ™

PRODUCT PREVIEW

SCOTTSDALE DIVISION

SYMBOLS & DEFIN ITIONS

Symbol

DEFINITION

Rated stand off voltage: Maximum dc voltage that can be applied over the operating temperature range. Vwm

must be selected to be equal or be greater than the operating voltage of the line to be protected

Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current

Clamping Voltage: Maximum clamping voltage across the TVS device when subjected to a given peak pulse

current at a pulse time of 20

µs.

C

Capacitance: Capacitance of the TVS as defined @ 0 volts at a frequency of 1 MHz and stated in Pico Farads.

GRAPHS

PACKAGING AND SCHEMA TIC

8/20µs 200W Pulse

.1

1

10

100

1000

FIGURE 1

Peak Pulse Power Vs Pulse Time t=µsec

FIGURE 2

Pulse Wave Form

10

1

.01

0.001

DIMENSIONS MILLIMETERS

DIMENSIONS INCHES

DIM

MIN

NOM

MAX

MIN

NOM

MAX

A

2.70

2.90

3.10

.106

.114

.127

A1

0.00

0.10

.000

.004

A2

1.00

1.10

1.30

.039

.043

.051

B

0.35

0.40

0.50

.014

.016

.020

C

0.10

0.15

0.25

.004

.006

.010

D

1.50

1.60

1.80

.059

.063

.071

E

1.70

1.90

2.10

.067

.075

.083

F

2.60

2.80

3.00

.102

.110

.118

G

0.20

.008