Document
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 3000Vrms contact to coil • Bifurcated contacts available • Epoxy sealed • Class B (130°C) standard • Class F (155°C) versions available • UL,CUR file E43203 • TÜV 50243813-1
CONTACTS
Arrangement SPST (1 Form A), single button contact or bifurcated
Ratings
Rated Load UL, CUR
TÜV
Resistive load:
Max. switched power: 150W or 1250VA
Max. switched current: 5A Max. switched voltage: 150VDC* or 250VAC Note:
If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
5A at 250VAC, Resistive, 50k cycles [1][2][3] 3A at 250VAC, Resistive, 100k cycles [1][2][3] 5A at 30VDC, Resistive, 50k cycles [1][2][3] 3A at 30VDC, Resistive, 100k cycles [1][2][3] B300 pilot duty [3] R300 pilot duty [3]
5A at 250VAC, Resistive, 50k cycles [3] 5A at 250VAC, Resistive, 100k cycles [1][2] 5A at 30VDC, Resistive, 50k cycles [3] 5A at 30VDC, Resistive, 100k cycles [1][2]
Material Resistance
Silver nickel (single button contact) [1] Silver nickel, gold plated (bifurcated contact) [2] Silver tin oxide (single button contact) [3] Gold plating available
< 50 milliohms initially (1A, 6VDC method)
COIL
Power At Pickup Voltage (typical) Max. Continuous Dissipation Temperature Rise
Temperature
58mW (5 - 18VDC) 88mW (24VDC) 1.3W at 20°C (68°F) ambient
12°C (22°F) at nominal coil voltage (5-18 V coils) 17°C (31°F) at nominal coil voltage (24 V coil)
Max. 130°C (266°F) Class B Max. 155°C (311°F) Class F
GENERAL DATA
Life Expectancy Mechanical Electrical
Minimum operations 20 million operations 1 X 105 at 5A, 30VDC or 250VAC
Operate Time (typical) 10ms at nominal coil voltage
Release Time (typical) 5ms at nominal coil voltage (with no coil suppression)
Dielectric Strength
1000Vrms between open contacts
(at sea level for 1 min.) 3000Vrms contact to coil
Insulation Resistance
1000 megohms min. at 20°C, 500VDC, 50% RH
Dropout
Greater than 10% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating
-40°C (-40°F) to 85°C (185°F)
Storage
-40°C (-40°F) to 130°C (266°F)
Vibration
0.062" (1.5mm) DA at 10–55Hz
Shock
10g
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.
5/19/16
AZ921
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 24VDC
Contact Configuration
–1A: AgNi, single contact, SPST-NO –1AB: AgNi, bifurcated contact,gold
plated –1AE: AgSnO2, single contact,
SPST-NO
Basic series designation - AZ921
Nominal Coil VDC
5 6 9 12 18 24
Coil Specifications
Max. Continuous VDC
16.5
Coil Resistance Ohms ± 10% 208
19.9 300
29.8 675
39.8 1200
59.6 2700
65.0 3200
Must Operate VDC
3.5 4.2 6.3 8.4 12.6 16.8
5/19/16
AZ921
MECHANICAL DATA
Standard
.799 Max (20.3)
.209 Max (5.3)
"K" Version
.799 Max (20.3)
.209 Max (5.3)
.504 Max (12.8)
.504 Max (12.8)
.138 (3.5)
.138 (3.5)
.1 (2.54)
.02 (0.5)
0.4 (10.16)
0.2 (5.08)
.049 (1.25)
.028 (0.7)
.035 (0.9)
.012 (0.3)
.1 (2.54)
.02 (0.5)
0.3 (7.62)
0.3 (7.62)
.049 (1.25)
.028 (0.7)
.035 (0.9)
.012 (0.3)
PCB BOARD LAYOUT Standard
2x.039 (Ø1)
2x.047 (Ø1.2)
"K" Version
2x.039 (Ø1)
2x.047 (Ø1.2)
.1 (2.54)
.4 (10.16)
.2 (5.08)
.1 (2.54)
.3 (7.62)
.3 (7.62)
(Viewed Toward Terminals)
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
WIRING DIAGRAM
1 23
4
5/19/16
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