AZ945

AZ945
20 AMP MINIATURE
POWER RELAY FOR
AUTOMOTIVE USE
FEATURES
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Dual relay (H Type) for motor reversing control
50% less space than two conventional relays
20 Amp contacts
Low cost
Sealed for immersion cleaning
Low acoustic noise
CONTACTS
GENERAL DATA
Arrangement
2 Form C (H Bridge Type)
Resistive load:
Life Expectancy
Mechanical
Electrical
Minimum operations
5 x 106
1 x 105 at 20 A 14 VDC Res.
Ratings
Max. switched power: 280 W
Max. switched voltage: 30 VDC
Operate Time (typical)
5 ms at nominal coil voltage
2 Form C: 20 A at 14 VDC
Release Time (typical)
2 ms at nominal coil voltage
(with no coil suppression)
Material
Silver tin oxide
Resistance
< 100 milliohms initially
(24V, 1 A voltage drop method)
COIL
Dielectric Strength
1000 VDC coil to contact
(at sea level for 1 min.) 1000 VDC between open contacts
Insulation
Resistance
250 megohms min. at 20°C
500 VDC 50% RH
Dropout
Greater than 7.5% of nominal coil voltage
Ambient Temperature
Operating
Storage
At nominal coil voltage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 155°C (311°F)
Vibration
0.062" DA at 10–55 Hz
Shock
15 g
Acoustic Noise
95 dBA (at 10 cm, 14 VDC)
77 dBA (at 1 cm, 14 VDC)
Enclosure
P.B.T. polyester
Terminals
Tinned copper alloy, P. C.
Max. Solder Temp.
270°C (518°F)
Max. Solder Time
5 seconds
Max.Solvent Temp.
80°C (176°F)
Max. Immersion Time
30 seconds
Weight
25 grams
Power
At Pickup Voltage
(typical)
200 mW (sensitive coil)
230 mW (standard coil)
Max. Continuous
Dissipation
2.7 W at 20°C (68°F) ambient
Temperature Rise
50°C (90°F) at nominal coil voltage
Temperature
Max. 155°C (311°F)
NOTES
1. All values at 20°C (68°F).
2. Relay may pull in with less than “Must Operate” value.
3. Specifications subject to change without notice.
3/19/01
AZ945
RELAY ORDERING DATA
COIL SPECIFICATIONS
Nominal Coil
VDC
12
Must Operate
VDC
6.8
Max. Continuous
VDC
24.6
12
6.0
20.5
Coil Resistance
±10%
225
155
Must Release
VDC
0.9
0.9
ORDER NUMBER
AZ945–2C–12DSE
AZ945–2C–12DE
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
3/19/01