PDTC144WM NPN resistor-equipped transistors; R1 = 47 k-ohm, R2 = 22 k- stock suppliers.
J2sourcing ABAddress: Modemgatan 4 Vellinge Sweden 23539 Sweden
RH Electronics IncAddress: 4083, Oceanside Blvd. Oceanside California 92056 United States
Vision Electronics, Inc. Address: 620 Douglas Ave., Ste. 1304 Altamonte Springs FL 32714 United States
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Giocom LLCAddress: 1445 N. CONGRESS AVE, STE#10 DELRAY BEACH FL 33445 United States