CIT RELAY Website: www.citrelay.com Tel: 763-535-2339 Fax: 763-535-2194
CIT RELAY™ CTA5
FEATURES:
• Switching capacity up to 40A @ 14VDC
• Small size and light weight
• PCB pin mounting available
• Suitable for automobile and lamp accessories
• Two footprint styles available 24.0x19.0x20.0mm
CONTACT DATA
Contact Arrangement 1A = SPST N.O.
1B = SPST N.C.
1C = SPDT
Contact Rating 1A: 40A @ 14VDC
1B: 30A @ 14VDC, 20A @ 120VAC, 15A @ 28VDC
1C: 30A @ 14VDC, 20A @ 120VAC, 15A @ 28VDC
Contact Resistance < 50 milliohms initial
Contact Material AgCdO
Maximum Switching Power 360W
Maximum Switching Voltage 75VDC, 380VAC
Maximum Switching Current 40A
COIL DATA
Coil Voltage
VDC
Coil Resistance
Ω ± 10%
Rated Max. 1.6W 1.9W
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 22.5 19.0 4.2 0.6
9 11.7 50.6 42.6 6.3 0.9
12 15.6 90.0 75.8 8.4 1.2
18 23.4 202.5 170.5 12.6 1.8
24 31.2 360.0 303.2 16.8 2.4
1.6 or 1.9 5 3
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
750V rms min. @ sea level
500V rms min. @ sea level
Shock Resistance 200m/s2 for 11ms
Vibration Resistance 1.27mm double amplitude 10-40Hz
Terminal (Copper Alloy) Strength 10N
Operating Temperature
Storage Temperature
-40 °C to + 85 °C
-40 °C to + 155 °C
Solderability 230 °C ± 2 °C for 10 ± 0.5s
Weight 19g open. 21g covered
CIT RELAY Website: www.citrelay.com Tel: 763-535-2339 Fax: 763-535-2194
CIT RELAY™ CTA5
ORDERING INFORMATION
1. Series:
CTA5
CTA5
2.Contact Arrangement:
1A = SPST N.O.
1B = SPST N.C.
1C = SPDT
1A
3. Sealing Options:
O = Open Frame
S = Sealed
C = Dust Cover
C
4. Contact Ratings:
15 = 15A
30 = 30A
40 = 40A
40
5. Coil Voltage:
6VDC
9VDC
12VDC
18VDC
24VDC
12VDC
6. Coil Power:
1.6 = 1.6W
1.9 = 1.9W
1.6
7. PCB Layout:
S = Standard
E = European
S
DIMENSIONS: (Units = mm) PCB Layout
Standard European
Schematic
