CV
AUTOMOTIVE LOW PROFILE
MICRO-ISO/MICRO-280
RELAY
CV-RELAYS
FEATURES
• Low profile:
• Wide line-up
22.5 mm(L)×15 mm(W)×15.7 mm(H)
.886 inch(L)×.591 inch(W)×.618 inch(H)
Micro ISO/Micro 280 terminal types and
resistor and diode inside type, PCB
terminal type (Micro 280 only).
• Low temperature rise
Micro ISO 1c type
Micro ISO 1a type
Terminal temperature has been reduced
compared with using our conventional
product
• Plastic sealed type
Plastically sealed for automatic cleaning.
• Low sound pressure level
Noise level has been reduced
approx.10dB compared with using our
conventional product.
Micro 280 plug-in type Micro 280 PCB type
SPECIFICATIONS
Contact
Characteristics
Arrangement
1 Form A
1 Form C
Max. operating speed
(at nominal switching capacity)
15cpm
Contact material
Silver alloy
Min. 20MΩ
(at 500 V DC)
Initial insulation resistance *2
Initial contact resistance,
max. (By voltage drop 6 V
DC 1 A)
50mΩ
Initial
breakdown
voltage *3
Between open contacts
500 Vrms for 1min.
500 Vrms for 1min.
N.O.: 0.2 V
Between contacts and coil
Initial contact voltage drop,
max.
N.O.: 0.2 V
(at 20 A switching)
N.C.: 0.5 V
(at 20 A switching)
Operate time *4
(at nominal voltage) (at 20°C 68°F)
Max. 10ms
(at 10 A switching)
Nominal
switching
capacity
Release time (without diode) *4
(at nominal voltage) (at 20°C 68°F)
N.O.: 20 A 14 V DC
N.C.: 10 A 14 V DC
Max. 10ms
N.O.: 20 A 14 V DC
N.O.: 20 A
Functional *5
Min. 100 m/s2{10 G}
Destructive *6 Min. 1,000 m/s2{100 G}
Shock resistance
Rating
Max. carrying
current
(14 V DC,
N.O.: 20 A
N.C.: 10 A
10 to 100 Hz,
Functional *7
Min.44.1 m/s2 {4.5 G}
at 85°C 185°F)
Vibration resistance
10 to 500 Hz,
Destructive *8
Mechanical
(at 120 cpm)
Min. 106
Min. 105*1
Expected
life (min.
operation)
Min.44.1 m/s2 {4.5 G}
Conditions in case of
operation, transport and
storage *9
Electrical
(at rated load)
Ambient
temp*10
–40 to +85°C
–40 to +185°F
Remarks
(Not freezing and condensing
at low temperature)
Humidity
25 to 85% R.H.
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Specifications will vary with foreign standards certification ratings.
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2
3
4
5
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7
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At nominal switching capacity, operating frequency: 2s ON, 2s OFF
Measurement at same location as “Initial breakdown voltage” section.
Detection current: 10mA
Excluding contact bounce time.
Half-wave pulse of sine wave: 11 ms; detection time: 10 µs
Half-wave pulse of sine wave: 6 ms
Unit weight
Approx. 15.0g .53 oz
Detection time: 10 µs
Time of vibration for each direction;
X, Y, Z direction: 4 hours
Y
X
Z
9
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Refer to 5. Usage, transport and storage condition mentioned in NOTES
10 Ambient temperature 125°C 257°F type is also available. Please contact us for
details.
TYPICAL APPLICATIONS
Automotive system
Condenser fan, Wiper, Defogger, Magnet clutch, Radiator fan,
Foglamp, Auto cruise control, Horn, Heater, Air Compressor
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