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* * Note: If switching voltage is greater than 30 VDC, special precautions must be taken. Please contact the factory. Rated load: 20 A at 14 VDC Material Silver tin oxide Resistance < 50 milliohms initially 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 155°C (311°F) Life Expectancy Mechanical Electrical Minimum operations 1 x 106 1 x 105 at 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 Operating Storage At nominal coil voltage -40°C (-40°F) to 85°C (185°F) -40°C (-40°F) to 105°C (221°F) Vibration 0.062" (1.5 mm) 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 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 GmbH Junkersstr. 3, D-82178 Puchheim, Germany phone: +49 89 800 97-0 [email protected] fax: +49 89 800 97-200 www.ZETTLERelectronics.com This product specification to be used only together with the application notes which can be downloaded from http://www.ZETTLERelectronics.com/pdfs/relais/ApplicationNotes.pdf 2011-07-28 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 Ω, 12V: 680 Ω, 24V: 2700 Ω. Add suffix “D” for diode across coil option (+ pole of power supply at terminal #86). Add suffix “E” for epoxy sealed version. 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] 85 .315 [8.0] * 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 GmbH Junkersstr. 3, D-82178 Puchheim, Germany phone: +49 89 800 97-0 [email protected] fax: +49 89 800 97-200 www.ZETTLERelectronics.com This product specification to be used only together with the application notes which can be downloaded from http://www.ZETTLERelectronics.com/pdfs/relais/ApplicationNotes.pdf 2011-07-28