Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
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 1A = SPST N.O.
1C = SPDT
Contact Rating 1A: 25A @ 14VDC
1C: 20A @ 14VDC
Contact Resistance < 50 milliohms initial
Contact Material AgSnO2
Maximum Switching Power 350W
Maximum Switching Voltage 75VDC
Maximum Switching Current 25A
COIL DATA
Coil Voltage
VDC
Coil Resistance
Ω ± 10%
Rated Max. 1.2W 1.5W
Pick Up Voltage
VDC (max)
75%
of rated voltage
Release Voltage
VDC (min)
10%
of rated voltage
Coil Power
W
Operate Time
ms
Release Time
ms
6 7.8 30 24 4.2 0.6
12 15.6 120 96 8.4 1.2
24 31.2 480 384 16.8 2.4
48 62.4 1920 1536 33.6 4.8
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
100K cycles, typical
10M cycles, typical
Insulation Resistance 100MΩ min @ 500VDC
Dielectric Strength, Coil to Contact
Contact to Contact
2500V rms min. @ sea level
1500V rms min. @ sea level
Shock Resistance 100m/s2 for 11ms
Vibration Resistance 1.27mm double amplitude 10-40Hz
Terminal (Copper Alloy) Strength 8N (Quick Connect), 4N (PCB Pins)
Operating Temperature
Storage Temperature
-40 °C to + 85 °C
-40 °C to + 155 °C
Solderability 230 °C ± 2 °C for 10 ± 0.5s
Weight 18.5g
CTA1
Distributor: Electro-Stock www.electrostock.com Tel: 630-682-1542 Fax: 630-682-1562
ORDERING INFORMATION
1. Series:
CTA1
CTA1
2.Contact Arrangement:
1A=SPST N.O.
1C=SPDT
1A
3. Sealing Options:
S = Sealed
C = Dust Cover
S
4. Termination:
P = PCB Pins
Q = Quick Connect
Q
5. Coil Voltage:
6VDC
12VDC
24VDC
48VDC
12
6. Coil Power:
1.2 = 1.2W
1.5 = 1.5W
1.2
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
CTA1
