AZ AZ921 ULTRA-SENSITIVE SUBMINIATURE RELAY FEATURES • 5 Amp switching capability • Extremely small footprint utilizing only 0.16 square inch of PCB area • Thin vertical profile only 0.2" wide • Dielectric strength 3000 Vrms contact to coil • Bifurcated contacts available • Epoxy sealed • Class B (130°C) standard • Class F (155°C) versions available • UL,CUR file E43203 • TUV 50243813-1 CONTACTS Arrangement SPST (1 Form A), single button contact or bifurcated Ratings Resistive load: UL Rating: Max. switched power: 150 W or 1250 VA Max. switched current: 5 A Max. switched voltage: 150* VDC or 250 VAC Single Button Contact 5 A at 30 VDC or 250 VAC Res., 40°C 50k cycles 5 A at 250 VAC, Gen. Use, 85°C 50k cycles 3 A at 30 VDC or 250 VAC Res., 85°C 100k cycles 1.5 FLA, 9 LRA, 240 VAC, AgNi 45°C 30k cycles 1/10 HP, 1.245 FLA, 277 VAC, AgSnO2 40°C 25k cycles B300, R300 Pilot Duty, 6k cycles, 85°C AgSnO2 C300 Pilot Duty, 6k cycles, 40°C AgSnO2 Bifurcated Contact 5 A at 30 VDC / 250 VAC Res., 50k cycles, 40°C AgNi 3 A at 30 VDC / 250 VAC Res., 100k cycles, 85°C AgNi Note: If switching voltage is greater than 30 VDC, special precautions must be taken. Please contact the factory. Material Silver tin oxide or silver nickel. Gold plating available. Resistance < 50 milliohms initially (1 A, 6 VDC method) COIL Power At Pickup Voltage (typical) 58mW (5 - 18VDC) 88mW (24VDC) Max. Continuous Dissipation 1.3 W at 20°C (68°F) ambient Temperature Rise 12°C (22°F) at nominal coil voltage (5-18 V coils) 17°C (31°F) at nominal coil voltage (24 V coil) Temperature GENERAL DATA Life Expectancy Mechanical Electrical Minimum operations 20 million operations 1 X 105 at 5 A, 30 VDC or 250 VAC Operate Time (typical) 10 ms at nominal coil voltage Release Time (typical) 5 ms at nominal coil voltage (with no coil suppression) Dielectric Strength 1000 Vrms between open contacts (at sea level for 1 min.) 3000 Vrms contact to coil Insulation Resistance 1000 megohms min. at 20°C, 500 VDC, 50% RH Dropout Greater than 10% 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 130°C (266°F) Vibration 0.062" DA at 10–55 Hz Shock 10 g 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 3 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. Max. 130°C (266°F) Class B Max. 155°C (311°F) Class F 1/14/15 AZ921 AZ RELAY ORDERING DATA AZ921-1AB-24DE A K F XXX Special Code May be followed by additional letters or numbers (does not affect construction) Insulation System Nil: Class B F: Class F Terminal Layout Nil: 0.2 inch spacing K: 0.3 inch spacing Gold Plating Nil: No gold plating A: Gold plated contacts Coil Voltage 5DE through 24DE: 5 through 24 VDC Contact Configuration –1A: AgNi, single contact, SPST-NO –1AB: AgNi, bifurcated contact,gold plated –1AE: AgSnO2, single contact, SPST-NO Basic series designation - AZ921 Coil Specifications Nominal Coil VDC Max. Continuous VDC 5 6 16.5 19.9 Coil Resistance ±10% 208 300 Must Operate VDC 3.5 4.2 9 29.8 675 6.3 12 39.8 1200 8.4 18 24 59.6 65.0 2700 3200 12.6 16.8 1/14/15 AZ921 AZ MECHANICAL DATA Standard "K" Version .799 Max [20.3] .799 Max [20.3] .504 Max [12.8] .209 Max [5.3] .049 [1.25] .028 [0.7] .02 [0.5] .1 [2.54] 0.4 [10.16] 0.2 [5.08] .138 [3.5] .138 [3.5] .504 Max [12.8] .209 Max [5.3] .035 [0.9] .012 [0.3] .049 [1.25] .028 [0.7] .02 [0.5] .1 [2.54] 0.3 [7.62] 0.3 [7.62] PCB BOARD LAYOUT WIRING DIAGRAM Standard 2x.039 [Ø1] .1 [2.54] .4 [10.16] .035 [0.9] .012 [0.3] "K" Version 2x.039 [Ø1] 2x.047 [Ø1.2] .2 [5.08] .1 [2.54] .3 [7.62] 2x.047 [Ø1.2] .3 [7.62] 1 2 3 4 (Viewed Toward Terminals) Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" 1/14/15