Features R73 Series Small Size Epoxy Sealed Standard Pin Spacing (0.1”) PC Board Mount Subminiature, PC Mount, 10 Amp, SPST−NO & SPDT Relay, for Security and Telecommunication Equipment. D49 .878 (22.3) Max .680 (17.3) Max .570 (14.5) Max .019 (0.5) SPST−NO, 1 Form “A” SPDT, 1 Form “C” .138 (3.5) .083 (2.1) .500 (12.7) .200 (5.08) .079 (2.0) .200 (5.08) .300 (7.62) Mounting Holes (Bottom View) .200 (5.08) .300 (7.62) Electrical Specifications * Contact Rating: 10 Amp @ 120VAC/28VDC Material: Silver cadmium oxide Resistance: 0.06 (At Nominal Conditions) .047 (1.2) Dia 5 Holes Coil .500 (12.7) .200 (5.08) * Pin is omited on SPST−NO devices Coil Voltages: See Chart Pick−up Voltages: 75% max of rated voltage Drop−out Voltages: 10% min of rated voltage Resistance: See Chart Operational Characteristics DC OPERATED Timing Value: . . . . . Operate Time: 5 mS max Release Time: 10 mS max Nom. Volt. Contact Arr. Coil Res. 10% Ohms (Typ) R73−1D10−3 3VDC SPST−NO 20 450mW 10A D49 R73−1D10−5/6 6VDC SPST−NO 80 450mW 10A D49 R73−1D10−12 12VDC SPST−NO 320 450mW 10A D49 R73−1D10−24 24VDC SPST−NO 1280 450mW 10A D49 Operating: −55 C to +85 C R73−5D10−3 3VDC SPDT 20 450mW 10A D49 R73−5D10−5/6 6VDC SPDT 80 450mW 10A D49 Life R73−5D10−12 12VDC SPDT 320 450mW 10A D49 R73−5D10−24 24VDC SPDT 1280 450mW 10A D49 Weight R73−5D10−48 48VDC SPDT 3800 450mW 10A D49 Std: 0.39 oz (11 grams) approx. NTE Type No. 78 Approx. Nom. Power Max. Contact Cur. @ 28VDC or 120VAC Diag No. NTE Electronics, Inc. Insulation Characteristics Dielectric Strength Between Contact and Coil: 1500 VAC Between Contacts: 750 VAC Insulation Resistance: 100M Environmental Characteristics Mechanical: 100,000 operations Electrical: 10,000,000 operations Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com