CTA1 FEATURES: • Switching capacity up to 25A • Small size and light weight • PCB pin and quick connect mounting available • Suitable for automobile and lamp accessories • QS-9000, ISO-9002 Certified Manufacturing 22.8 x 15.3 x 25.8 mm CONTACT DATA Contact Arrangement Contact Rating Contact Resistance Contact Material Maximum Switching Power Maximum Switching Voltage Maximum Switching Current 1A = SPST N.O. 1C = SPDT 1A: 25A @ 14VDC 1C: 20A @ 14VDC < 50 milliohms initial AgSnO2 350W 75VDC 25A COIL DATA Coil Voltage VDC Rated Max. 6 12 24 48 7.8 15.6 31.2 62.4 Coil Resistance Ω ± 10% 1.2W 30 120 480 1920 1.5W 24 96 384 1536 Pick Up Voltage VDC (max) Release Voltage VDC (min) 75% of rated voltage 10% of rated voltage 4.2 8.4 16.8 33.6 0.6 1.2 2.4 4.8 Coil Power W Operate Time ms Release Time ms 1.2 or 1.5 10 7 CAUTION: 1. The use of any coil voltage less than the rated coil voltage may compromise the operation of the relay. 2. Pickup and release voltages are for test purposes only and are not to be used as design criteria. GENERAL DATA Electrical Life @ rated load Mechanical Life Insulation Resistance Dielectric Strength, Coil to Contact Contact to Contact Shock Resistance Vibration Resistance Terminal (Copper Alloy) Strength Operating Temperature Storage Temperature Solderability Weight 100K cycles, typical 10M cycles, typical 100MΩ min @ 500VDC 2500V rms min. @ sea level 1500V rms min. @ sea level 100m/s2 for 11ms 1.27mm double amplitude 10-40Hz 8N (Quick Connect), 4N (PCB Pins) -40 °C to + 85 °C -40 °C to + 155 °C 230 °C ± 2 °C for 10 ± 0.5s 18.5g Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562 CTA1 Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562 ORDERING INFORMATION 1. Series: CTA1 CTA1 1A S Q 12 1.2 2.Contact Arrangement: 1A=SPST N.O. 1C=SPDT 3. Sealing Options: S = Sealed C = Dust Cover 4. Termination: P = PCB Pins Q = Quick Connect 5. Coil Voltage: 6VDC 12VDC 24VDC 48VDC 6. Coil Power: 1.2 = 1.2W 1.5 = 1.5W 7. Coil Suppression: Blank = Standard D = Diode (1N4005) R = Resistor (680 Ohms) ** Consult factory if other values are needed. DIMENSIONS (Units = mm) PC PIN DIMENSIONS (Units = mm) SCHEMATICS & PC LAYOUT (BOTTOM VIEWS) 1A 1C