IC-PWM CONTROL CKT NTE IC, Type: PWM Control Circuit, Package: 16 Pin DIP
The part was an NTE substitute and was the correct part. However, $10 to ship two transistors and an IC was not only more costly than the parts total but unreasonable considering the short distance of shipping to my address.
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The web site was easy to use, I found everything I was looking for. I like the one stop shop. I am telling all my friends about MCM Electronics.