AZ977 20 AMP MINIATURE POWER RELAY FOR AUTOMOTIVE USE FEATURES • • • • • • • Low Cost 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 Designed for high in-rush applications GENERAL DATA 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* Minimum operations 1 x 106 1 x 105 at rated load Operate Time (max.) 10 ms max. at nominal coil voltage Release Time (max.) 7 ms max. at nominal coil voltage (with no coil suppression) Rated load: 20 A at 14 VDC Dielectric Strength 500 VDC coil to contact (at sea level for 1 min.) 500 VDC between open contacts * If switching voltage is greater than 30 VDC, special precautions must be taken. Please contact the factory. Insulation Resistance 100 megohms min. at 20°C, 500 VDC 50% RH Dropout Greater than 8.3% of nominal coil voltage Ambient Temperature Operating Storage At nominal coil voltage -40°C (-40°F) to 115°C (239°F) -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 Tinned copper alloy, P.C. Weight 16 grams Minimum Load 5 VDC, 0.1 A Material AgSnO2 Resistance < 50 milliohms initially (6 V, 1 A voltage drop method) COIL Power At Pickup Voltage (typical) 534 mW (Standard) 432 mW (Sensitive) Max. Continuous Dissipation 2.6 W at 20°C (68°F) ambient Temperature Rise 60°C (108°F) at nominal coil voltage Max Temperature Life Expectancy Mechanical Electrical 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. ZETTLER electronics Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com [email protected] Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700 1999-10-06 AZ977 RELAY ORDERING DATA STANDARD RELAYS ORDER NUMBER* COIL SPECIFICATIONS Nominal Coil VDC 6 12 24 Must Operate VDC 3.6 7.2 14.4 Max. Continuous VDC 7.8 15.6 31.2 Coil Resistance ± 10% 25 97 384 Form A (SPST) From C (SPDT) AZ977-1A-6D AZ977–1A–12D AZ977–1A–24D AZ977-1C-6D AZ977–1C–12D AZ977–1C–24D SENSITIVE RELAYS ORDER NUMBER* COIL SPECIFICATIONS Nominal Coil VDC 6 12 24 Must Operate VDC 3.6 7.2 14.4 Max. Continuous VDC 7.8 15.6 31.2 Coil Resistance ± 10% 32 123 483 Form A (SPST) From C (SPDT) AZ977-1A-6DS AZ977–1A–12DS AZ977–1A–24DS AZ977-1C-6DS AZ977–1C–12DS AZ977–1C–24DS *Add suffix “R” for resistor in parallel with coil. Resistor values: 6V: 180 ohms, 12V: 680 ohms, 24V: 2700 ohms MECHANICAL DATA .610 [15.5] .906 [23.0] WIRING DIAGRAMS VIEWED TOWARDS TERMINALS 1.02 [26.0] 85 (2) * 87a (4) 87 (5) .453 [11.5] FORM C 5X.031 [0.8] 3X .189 [4.8] 2X.248 [6.3] .315 [8.0] 85 * 87 85 .354 [9.0] .177 [4.5] 30 (8) 86 (1) 87a 86 87 FORM A 30 86 .554 [14.1] 30 .099 [2.6] *Optional resistor Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" ZETTLER electronics Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com [email protected] Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700 1999-10-06