Automotive Relays
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Coil Data
Nominal Voltage : 12 V dc
Coil Resistance : Refer to coil data chart
Operate Voltage : Refer to coil data chart
Release Voltage : Refer to coil data chart
Coil Power : 1,600 mW
Contact Data
Contact Form : C-1 form C
Contact Material : Ag Alloy
Contact Rating : 30 A 14 V dc Resistive (1C)
Maximum Switching Voltage : 75 V dc
Maximum Switching Current : 40 A
Maximum Switching Power : 420 W (1C)
Maximum Load Current : 12 V dc load voltage
Maximum Contact Resistance : 100 mΩ (6 V dc 1 A)
Life
Electrical : 100,000 operations
Mechanical : 10,000,000 operations
General Data
Minimum Insulation Resistance : 100 MΩ500 V dc
Dielectric Strength : 500 V ac, 1 min between open contacts
: 500 V ac, 1 min between coil and contacts
Maximum Operate Time : 5 ms
Maximum Release Time : 3 ms
Operate Temperature : -40 to +85°C
Load
C
NO NC
Contact Rating Current 40 A
30 AMaximum Make Current 100 A
Maximum Break Current 40 A
Automotive Relays
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Dimensions
European Footprint (11 mm) Mounting Holes Writing Diagrams
General Data
Shock Resistance
Minimum Endurance : 100 m/s2
Minimum Misoperation : 1,000 m/s2
Vibration Resistance
Endurance : 10-55 Hz, double amplitude 1.5 mm
Misoperation : 10-55 Hz, double amplitude 1.5 mm
Weight : Approximately 21 g
: Approximately 15 g (open)
Coil Data Chart 20°C
Nominal Voltage
V dc
Coil Resistance
ΩΩ ±10%
Operate Voltage
≤≤ V dc
Release Voltage
≥≥ V dc
Coil Power
mW
12 90 7.2 1.2 1,600
Open Type Sealed Type
Dimensions : Millimetres
Automotive Relays
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Characteristic Data
Coil Temperature Rise (°C)
Coil Temperature Rise
Coil Applied Voltage (V) Contact Voltage (V)
Contact (A)
Maximum Switching Power
Important Notice : This data sheet and its contents (the "Information") belong to the members of the Premier Farnell group of companies (the "Group") or are licensed to it. No licence is granted for the use of
it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces
all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use
made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted.
Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising)
is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. © Premier Farnell plc 2011.
Part Number Table
Description Part Number
Relay, Auto, SPDT, 12 V dc, 1.6 W MCCMA4-S-DC12V-C-E
Enclosure : S = Washable
Contact Arrangement : C = C-1 Form C
--
CMA4
Relay Series
DC12V
Coil Voltage
Part Number Explanation:
S
MC
Enclosure
-C
Contact
Arrangement
-E
European
Footprint
