Part Number TR4-820R2 Resistor 820 Ohm Tol 2 0 25W in stock with ready to ship. Get an instant quote for Textool Production Co Inc part number TR4-820R2 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for TR4-820R2. Our dedicated account manager will get back to you within 15 minutes.