Datasheet
IRFB4127PbF
8 www.irf.com
Data and specifications subject to change without notice.
This product has been designed and qualified for the 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. 08/08
TO-220AB packages are not recommended for Surface Mount Application.
TO-220AB Part Marking Information
TO-220AB Package Outline
Dimensions are shown in millimeters (inches)
LOT CODE 1789
E XAMP L E : T H I S IS AN I R F 1 010
Note: "P" in assembly line position
i ndi cates "L ead - F ree"
IN THE ASSEMBLY LINE "C"
AS S EMBLED ON WW 19, 2000
INTERNAT IONAL
PART NUMBER
RECTIFIER
LOT CODE
AS S E MB L Y
LOGO
YEAR 0 = 2000
DAT E CODE
WE E K 19
LINE C
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/








