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Library> Non Vtec-To-Vtec > 02 D011 F0-1500 >515XHighSideSwitch Destinations: Home | Library | Change Log | Index
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Honda uses a 5 pin high side switch in a lot of their OBD1 and OBD2 ECUs to control solenoids like auto trans and vtec solenoids.

Allegro / Sanken is the OEM for this part. The following parts are known to work:

SK-5050S (original - 1720 boards usually)
SK-5151S (higher current version of 5050 - 11F0/1980 boards usually)
SK-5154S (higher current version of 5151 - OBD2 boards usually)
SI-5151S (part number change on SK-5151S)
SI-5154S (part number change on SK-5154S)
SI-5151SG (part number change on SI-5151S)
SI-5154SG (part number change on SI-5154S)
These parts are often quite difficult to get ahold of due to Allegro not selling less than 500pcs@$1.50ea and few electroncs distributors stocking them. Look for periodic groupbuys on the forum.

There have been reports of an International Rectifier part that is a replacement. New forum link: Replacement for SI-5151S (Please log in to see pics in forum) Edit this if you know more.

Tried a pair of ir6220 in a known good P13. Worked fine! http://www.digikey.com and type IR6220-ND on the parts search, they are $4.63/ea

All you do is move the #3 leg to the #5 spot in the board and move pin #5 into #3 spot on the board. It's really easy to do.. just use some heat shrink or insulation on leg 3 to avoid contact between legs...refer to this post for a picture: http://forum.pgmfi.org/viewtopic.php?t=181 a picture is worth more than a thousand words dsc00595.jpg

( That would be the actual ir6220 replacement: IPS521 )

search bait: SK5050 SK5151 SK-5050 SK-5151

Parents: Non Vtec-To-Vtec > 02 D011 F0-1500 Revision: r1.7 - 28 Dec 2005 - 06:52 GMT - 4g vtec { Edit | Attach | History | More }
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