www.irf.com

11

IRF644N/644NS/644NL

Data and specifications subject to change without notice.

This product has been designed and qualified for the (IRF644N) automotive [Q101]

& (IRF644NS/L) industrial market.

Qualification Standards can be found on IR’s Web site.

IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105

TAC Fax: (310) 252-7903

Visit us at www.irf.com for sales contact information. 3/01

3

4

4

TR R

F E ED DIRECTIO N

1 .85 (.073)

1 .65 (.065)

1.60 (.0 63)

1.50 (.0 59)

4.10 (.16 1)

3.90 (.15 3)

TR L

F EED DIRECTION

10 .90 (.429)

10 .70 (.421)

16.10 (.634)

15.90 (.626)

1.75 (.069)

1.25 (.049)

11.60 (.457)

11.40 (.449)

15. 42 ( .609)

15. 22 ( .601)

4.72 (.136)

4.52 (.178)

24.30 (.957)

23.90 (.941)

0. 368 (. 0145)

0. 342 (. 0135)

1.60 (. 063)

1.50 (. 059)

13 .50 ( .53 2)

12 .80 ( .50 4)

330.00

(14.173)

M AX.

27 .40 (1 .079 )

23 .90 (.9 41)

60 .00 (2. 362)

M IN .

30 .40 (1 .19 7)

M A X .

26.40 (1.039)

24.40 (.961)

N O T ES :

1. C O M F O R M S T O E IA -4 18.

2. C O NT RO LL IN G D IM E NS IO N: M ILL IM E T E R .

3. DIM E N S IO N M E A S U R E D @ HU B .

4. IN C LU D E S F LA N GE D IS T OR T IO N @ OU T E R E D GE .

Notes:

max. junction temperature. (See fig. 11)

and represents operation outside rated limits.

**When mounted on 1" square PCB (FR-4 or G-10 Material).

For recommended footprint & soldering techniques refer to

application note #AN-994.