Vishay Siliconix

Si4621DY

Document Number: 73855

S11-1648-Rev. D, 15-Aug-11

www.vishay.com

9

This document is subject to change without notice.

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon

Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and

Normalized Thermal Transient Impedance, Junction-to-Ambient

1

0.1

0.01

10

-4

10

-3

10

-2

10

-1

1000

100

10

1

Square Wave Pulse Duration (s)

Notes:

1. Duty Cycle, D =

4. Surface Mounted

Normalized Thermal Transient Impedance, Junction-to-Foot

1

0.1

0.01

10

-4

10

-3

10

-2

10

-1

100

10

1

Square Wave Pulse Duration (s)

0.02

0.05

0.05

0.02

Single Pulse

Duty Cycle = 0.5

0.1