From an old cross reference book I have from the 1970's, I found a 417-162 crosses to an ECG 130, GE-14, 2N3055, radio shack 276-2041, SK3027/130, Zenith 121-Z9011 The number on your part that reads 7636 would be a date code, made in 1976, 36th week. Gary McCartney McCartney Electronics Guelph Ontario Canada Est. 1984 email: gary (at) number63.ca Tri-County Tv wrote: > > Greeting, > I'm going through some of my old transistors and I found one > that I cannot identify but I know was very common, just cannot place it. The > transistor is a TO-3 case with the following # Top=417 162, middle=RCA, > bottom=C E 7636. Thanks > > Tom Berger > Tri-County TV > Robbinsville > North Carolina 28771 > Ph--828-479-6043 > Fax-828-479-4868 > (tricountytv@xxxxxxxxxxxxx) > ***************************************************************************** > Classifieds! Buy or Sell! > http://sell.tech-assist.org > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.htm > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.htm > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > //www.freelists.org/archives/techassist/ -- ***************************************************************************** Classifieds! Buy or Sell! http://sell.tech-assist.org The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.htm Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: //www.freelists.org/archives/techassist/