AZ742S
8 A DPDT MINIATURE
POWER RELAY SMT
FEATURES
Dielectric strength 5000 Vrms
Low height: 15.7 mm
8 Amp switching — double pole contacts
AC and DC coils
Flux proof version
Isolation spacing greater than 10 mm
Proof tracking index (PTI/CTI) 250
Reinforced insulation, EN 60730-1 (VDE 0631, part 1)
EN 60335-1 (VDE 0700, part 1)
•
UL, CUR file E43203
•
VDE file 40012572
CONTACTS
Arrangement
Ratings
DPDT (2 Form C)
DPST (2 Form A)
Resistive load:
Max. switched power: 2 X 240 W or 2000 VA
Max. switched current: 2 X 8 A
Max. switched voltage: 300 VDC* or 400 VAC
*
Note: If switching voltage is greater than 30 VDC,
•
•
•
•
•
•
•
•
GENERAL DATA
Life Expectancy
Mechanical
Electrical
Operate Time (typical)
Release Time (typical)
Minimum operations
3 x 10
7
1 x 10
5
at 8 A 250 VAC res.
7 ms at nominal coil voltage
3 ms at nominal coil voltage
(with no coil suppression)
special precautions must be taken.
Please contact the factory.
Rated Load
UL, CUR
VDE
Material
Resistance
8 A at 250 VAC General Use
8 A at 250 VAC
Silver nickel, silver nickel gold plated
or silver tin oxide
< 100 milliohms initially
Dielectric Strength
5000 Vrms coil to contact
(at sea level for 1 min.)
2500 Vrms between contact sets
1000 Vrms between open contacts
Insulation
Resistance
Insulation
(according to
DIN VDE 0110,
IEC 60664-1)
Dropout DC coils
AC coils
Ambient Temperature
Operating
10
5
megohms min. at 500 VDC,
20°C, 50% RH
B250 at 2 Form C
C250 at 2 Form A
Overvoltage category: III
Pollution degree: 3
Nominal voltage: 250 VAC
Greater than 10% of nominal coil voltage
Greater than 15% of nominal coil voltage
At nominal coil voltage
-40°C (-40°F) to 85°C (185°F) - DC coils
-40°C (-40°F) to 70°C (158°F) - AC coils
-40°C (-40°F) to 105°C (221°F)
Break contacts: 5 g at 20…500 Hz
Make contacts: 20 g at 30…500 Hz
20 g
P.B.T. polyester, UL-94 : V0
Tinned copper alloy, P.C.
270°C (518°F)
see soldering profile
14 grams
20 per carton tube / 1000 per carton box
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Max. Temperature
200 mW (DC coil)
.422 VA (AC coil)
1.7 W at 20°C (68°F) ambient
1.7 VA at 20°C (68°F) ambient
26°C (47°F) at nominal coil voltage
155°C (311°F)
Storage
Vibration
Shock
Enclosure
Terminals
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. Solder Temp.
Max. Solder Time
Weight
Packing unit in pcs
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-08-04
Junkersstrasse 3, D-82178 Puchheim, Germany
AZ742S
RELAY ORDERING DATA
COIL SPECIFICATIONS - DC COIL
Nominal Coil
VDC
3
5
6
9
12
18
24
36
48
60
110
Must Operate
VDC
2.25
3.75
4.5
6.75
9.0
13.5
18.0
27.0
36.0
45.0
82.5
Max. Continuous
VDC
7.6
12.7
15.3
22.9
30.6
45.9
61.2
92.0
122.0
153.0
280.0
Coil Resistance
Ohm ± 10%
22
60
90
200
360
710
1,440
3,140
5,700
7,500
25,200
2 Form A
AZ742S–2A–3D
AZ742S–2A–5D
AZ742S–2A–6D
AZ742S–2A–9D
AZ742S–2A–12D
AZ742S–2A–18D
AZ742S–2A–24D
AZ742S–2A–36D
AZ742S–2A–48D
AZ742S–2A–60D
AZ742S–2A–110D
ORDER NUMBER*
2 Form C
AZ742S–2C–3D
AZ742S–2C–5D
AZ742S–2C–6D
AZ742S–2C–9D
AZ742S–2C–12D
AZ742S–2C–18D
AZ742S–2C–24D
AZ742S–2C–36D
AZ742S–2C–48D
AZ742S–2C–60D
AZ742S–2C–110D
COIL SPECIFICATIONS - AC COIL
Nominal Coil
VAC
12
24
48
60
110
115
120
220
230
240
Must Operate
VAC
9.6
19.2
38.4
48.0
88.0
92.0
96.0
176.0
184.0
192.0
Max. Continuous
VAC
18.0
36.0
72.0
90.0
165.0
172.5
180.0
330.0
345.0
360.0
Nominal Current
mA ± 10%
63.0
31.3
15.6
12.5
6.8
6.5
6.3
3.4
3.3
3.1
Coil Resistance
Ohm ± 10%
100
400
1,550
2,600
8,900
9,600
10,200
35,500
38,500
42,500
ORDER NUMBER*
2 Form A
AZ742S–2A–12A
AZ742S–2A–24A
AZ742S–2A–48A
AZ742S–2A–60A
AZ742S–2A–110A
AZ742S–2A–115A
AZ742S–2A–120A
AZ742S–2A–220A
AZ742S–2A–230A
AZ742S–2A–240A
2 Form C
AZ742S–2C–12A
AZ742S–2C–24A
AZ742S–2C–48A
AZ742S–2C–60A
AZ742S–2C–110A
AZ742S–2C–115A
AZ742S–2C–120A
AZ742S–2C–220A
AZ742S–2C–230A
AZ742S–2C–240A
* “2A” or “2C” denote silver nickel contacts.
Add suffix “G” at “2A” or “2C” for gold plated silver nickel contacts.
Add suffix “E” at “2A” or “2C” for silver tin oxide contacts.
DC - Coil operating range
3,0
2,8
2,6
U
B
/ U
N
2,4
2,2
2,0
1,8
1,6
1,4
1,2
1,0
0,8
0,6
0
10
20
30
40
I
N
= 8 A
AC - Coil operating range
3,0
2,8
2,6
U
B
/ U
N
2,4
2,2
2,0
1,8
1,6
1,4
1,2
I
N
= 8 A
1
2
3
1
3
B
A
0
10
20
30
40
50
60
70
80
90
100
B
A
50
60
70
80
90
100
Ambient temperature [°C]
1,0
0,8
0,6
Ambient temperature [°C]
A - Cold coil ( T
coil
= T
ambient
)
B - Hot coil (1,1 x U
N
), contact load = I
N
1 - no load on contacts
3 - rated load on contacts
A - Cold coil ( T
coil
= T
ambient
)
B - Hot coil (1,1 x U
N
), contact load = I
N
1 - no load on contacts
2 - half of rated load on contacts
3 - rated load on contacts
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-08-04
Junkersstrasse 3, D-82178 Puchheim, Germany
AZ742S
MECHANICAL DATA
PC BOARD LAYOUT
0.500 Max.
[12.7]
.197
[5.0]
.197
[5.0]
5
.709 Max.
[18.0]
.079
[2.0]
.035
[0.9]
.024
[0.6]
.024
[0.6]
* Not used on 2 Form A relay
.114
[2.9]
.05
[12.5]
.276
[7.0]
8
7
6*
1
4
3*
.60
[15.12]
1.142 Max.
[29.0]
.098
[2.5]
2
8 x .138
[3.5]
8 x .059
[1.5]
Viewed toward terminals
WIRING DIAGRAMS
2 Form C
.26
[6.6]
.197
[5.0]
.098
[2.5]
5
3
5
2 Form A
2
4
2
4
.197
[5.0]
.60
[15.12]
8
7
6
1
8
7
1
Viewed toward terminals
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
Typical Soldering Profile
250
NOTES
The soldering profile to the left is
an example and is just to show one
of various profiles AZ742S has been
tested with.
In order to make sure AZ742S fits
to a specific profile, we strongly
recommend to test under the real
environment.
200
Temperature in °C
150
TC2 (°C)
TC3 (°C)
100
50
0
1
61
121
181
241
301
361
421
Time in seconds
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-08-04
Junkersstrasse 3, D-82178 Puchheim, Germany
AZ742S
Electrical life at 250 VAC, resistive load
10
7
1,0
0,9
Electrical life reduction factor at inductive AC load
F
Number of cycles
10
6
Reduction factor
0,8
0,7
0,6
0,5
10
5
0,4
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
Power factor
10
4
0
0,4
0,8
1,2
1,6
2,0
Breaking capacity [kVA]
Max. DC resistive load breaking capacity
50
DC current [A]
10
8
5
2
1
0,5
0,1
10
20
30
40 50
100
200
300
DC voltage [V]
ZETTLER
electronics GmbH
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-08-04
Junkersstrasse 3, D-82178 Puchheim, Germany
j
N
cos
=NxF
j
0,3
1,0
cos
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