GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1 x 106
Electrical 1 x 105at 20 A 14 VDC Res.
Operate Time (max.) 10 ms max. at nominal coil voltage
Release Time (max.) 7 ms max. at nominal coil voltage
(with no coil suppression)
Dielectric Strength 1000 VDC coil to contact
(at sea level for 1 min.) 500 VDC between open contacts
Insulation Resistance 100 megohms min. at 20°C, 500 VDC
50% RH
Dropout Greater than 8.3% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating -40°C (-40°F) to 115°C (239°F)
Storage -40°C (-40°F) to 155°C (311°F)
Vibration 0.062" DA at 10-55 Hz
Shock 10 g
Enclosure P.B.T. polyester
Terminals Quick connects
Note: Allow suitable slack on leads when wiring,
and do not subject the terminals to excessive
force.
Weight 18.5 grams
AZ977
5/23/07W
20 AMP MICRO-ISO
AUTOMOTIVE RELAY
FEATURES
•Up to 20 Amp switching capability in a compact size
•Coils to 24 VDC
•Small footprint
•1 Form A and C contacts available
•Vibration and shock resistant
• ISO/TS 16949, ISO14001
• Tested in accordance with SAE J2544
•Cost effective
•Designed for high in-rush applications
CONTACTS
Arrangement SPST (1 Form A)
SPDT (1 Form C)
Ratings Resistive load:
Max. switched power: 280 W
Max. switched current: 20 A
Max. switched voltage: 150 VDC*
Rated load: 20 A at 14 VDC
* If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
Material Silver tin oxide
Resistance < 50 milliohms initially
(6 V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage 534 mW (Standard)
(typical) 421 mW (Sensitive)
Max. Continuous 2.6 W at 20°C (68°F) ambient
Dissipation
Temperature Rise 60°C (108°F) at nominal coil voltage
Max Temperature 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.
RELAY ORDERING DATA
STANDARD RELAYS
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance Form A (SPST) Form C (SPDT)
VDC VDC VDC ± 10%
6 3.6 7.8 25 AZ977-1A-6D AZ977-1C-6D
12 7.2 15.6 97 AZ977–1A–12D AZ977–1C–12D
24 14.4 31.2 384 AZ977–1A–24D AZ977–1C–24D
AZ977
5/23/07W
SENSITIVE RELAYS
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance Form A (SPST) Form C (SPDT)
VDC VDC VDC ± 10%
6 3.6 7.8 32 AZ977-1A-6DS AZ977-1C-6DS
12 7.2 15.6 123 AZ977–1A–12DS AZ977–1C–12DS
24 14.4 31.2 483 AZ977–1A–24DS AZ977–1C–24DS
*Add suffix “R” for resistor in parallel with coil. Resistor values: 6V: 180 W, 12V:680 W, 24V:2700 W
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
[4.5]
.177
[9.0]
.354
.189
[14.1]
.554
FORM A
VIEWED TOWARDS TERMINALS
WIRING DIAGRAMS
[2.6]
.099
[8.0]
.315
87
30
85
86
87a
[4.8]
3X
[11.5]
.453
[23.0]
.906
[26.0]
1.02
FORM C
86 (1)
85
87
86
[6.3]
[0.8]
5X.031 2X.248
30
(8)
30
87 (5)
87a (4)
85 (2)
.610
[15.5]
*Optional resistor
*
*
