AZ975/AZ976
20 AMP SUB-MINIATURE
POWER RELAY FOR
AUTOMOTIVE USE
FEATURES
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Low cost
Up to 20 Amp switching capability in a compact size
Open, covered or sealed
Coils to 24 VDC
Small footprint
Six different contact arrangements available
Vibration and shock resistant
Designed for high in-rush applications
GENERAL DATA
SPSTNO (1 Form A)
SPST NO DM (1 Form U)
SPSTNC (1 Form B)
SPST NC DB (1 Form V)
SPDT (B-M) (1 Form C) SPDT NC-NO DM (1 Form W)
CONTACTS
Arrangement
Life Expectancy
Mechanical
Electrical
Operate Time (typical)
Release Time (typical)
Dielectric Strength
(at sea level for 1 min.)
Minimum operations
1 x 10
7
operations
1 x 10
5
operations at 12 A 14 VDC Res.
3 ms at nominal coil voltage
1.5 ms at nominal coil voltage
(with no coil suppression)
500 Vrms coil to contact
500 Vrms between open contacts
100 megohms min. at 20°C,
500 VDC, 50% RH
> 6% (for B&V), > 11% (for ACUW)
of nominal coil voltage
At nominal coil voltage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 105°C (221°F)
0.062" (1.5 mm) DA at 10–55Hz
10 g, 11 ms, functional
Tinned copper alloy, P.C.
270°C (518°F)
5 seconds
80°C (176°F)
30 seconds
AZ975 = 8g, AZ976 = 12g, approx.
Ratings
Max. switched power: 200 W (See power curve)
500 VA
Max. switched voltage: 100 VDC
Max. switched current (make/break), continuous:
1 Form A:
60A/20A, 15A
1 Form B:
12A/10A, 10A
1 Form C (NO): 60A/20A, 15A
1 Form C (NC): 12A/10A, 10A
1 Form U:
2X40A/2X20A, 2X10A
1 Form V:
2X8A/2X7A, 2X7A
1 Form W (NO): 2X30A/2X15A, 2X7A
1 Form W (NC): 2X5A/2X5A. 2X5A
Insulation Resistance
Dropout
Ambient Temperature
Operating
Storage
Vibration
Material
Resistance
Silver nickel or silver tin oxide
< 100 milliohms at 1A, 5 VDC
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Max. Temperature
514 mW (12 and 24 VDC Coil)
573 mW (6 VDC Coil)
3.4 W 20°C (68°F) ambient - AZ975
3.1 W 20°C (68°F) ambient - AZ976
50°C (90°F) nominal coil VDC
155°C (311°F)
Shock
Terminals
Max. Solder Temp.
Max. Solder Time
Max. Solvent Temp.
Max. Immersion Time
Weight
NOTES
1. All values at 20°C (68°F).
2. Maximum make current refers to in-rush current of lamp load.
3. Electrical life obtained at resistive or inductive load of 10A,
15 VDC for A, B, C, U, V contacts, 7A, 15 VDC for W contacts
with suitable arcsuppression circuit attached with operating
frequency of 1 ops/sec.
4. Relay may pull in with less than “Must Operate” value.
5. Specifications subject to change without notice.
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2003-06-13
Junkersstrasse 3, D-82178 Puchheim, Germany
AZ975/AZ976
RELAY ORDERING DATA — AZ 975 - Open Style
COIL SPECIFICATIONS - DC Coil
Nominal Coil
VDC
6
12
Must Operate VDC
A.B.C.U.V.
W.
3.75
4.5
7.5
9.0
Max. Continuous
VDC
9.75
21.0
Coil Resistance
±10%
28
130
Form A
[SPST NO]
AZ975–1A–6D
AZ975–1A–12D
AZ975–1A–24D
ORDER NUMBER*
Form B
[SPST NC]
AZ975–1B–6D
AZ975–1B–12D
AZ975–1B–24D
Form C
[SPDT]
AZ975–1C–6D
AZ975–1C–12D
AZ975–1C–24D
24
15.0
18.0
42.0
520
* Use “U”, “V” or “W” in place of “A” for Form U, Form V or Form W relays.
RELAY ORDERING DATA — AZ 976 - With Dust Cover
COIL SPECIFICATIONS - DC Coil
Nominal Coil
VDC
6
12
24
Must Operate VDC
A.B.C.U.V.
W.
3.75
4.5
7.5
15.0
9.0
18.0
Max. Continuous
VDC
9.2
20.0
40.0
Coil Resistance
±10%
28
130
520
Form A
[SPST NO]
AZ976–1A–6D
AZ976–1A–12D
AZ976–1A–24D
ORDER NUMBER*
Form B
[SPST NC]
AZ976–1B–6D
AZ976–1B–12D
AZ976–1B–24D
Form C
[SPDT]
AZ976–1C–6D
AZ976–1C–12D
AZ976–1C–24D
* Add suffix “E” for epoxy sealed version. Use “U”, “V” or “W” in place of “A” for Form U, Form V or Form W relays.
Add suffix “T” for silver tin oxide.
MECHANICAL DATA
AZ 975 Outline Dimensions
AZ 976 Outline Dimensions
AZ 975 Suggested PCB Layout
AZ 976 Suggested PCB Layout
Bottom View
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± 0.010
"
Bottom View
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2003-06-13
Junkersstrasse 3, D-82178 Puchheim, Germany
AZ975/AZ976
Load Power limit
Max. Allowable Ambient Temperature
10
Ambient Temperature °C
30
Switching Current (A)
140
100
60
1
.5
10
Switching Voltage (VDC)
100
20
90
110
130
150
Coil Voltage (% of Nominal Voltage)
MECHANICAL DATA
Wiring Diagrams (Bottom View)
1 Form A
1 Form B
1 Form C
1 Form U
1 Form V
1 Form W
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2003-06-13
Junkersstrasse 3, D-82178 Puchheim, Germany
GD32 MCU
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