VDE
1 Form A Slim Power Relay
LD
LD-RELAYS
FEATURES
20.3
.799
7.0
.276
15.0
.591
mm inch
1. Slim type: Width 7 mm .276 inch.
20.3(L)×7.0(W)×15.0(H) mm
.799(L)×.276(W)×.591(H) inch
2. Perfect for small load switching of
home appliances
105 switching operations possible with a
3A 250V AC resistive load.
3. Low operating power
Compact size, nominal operating power
as low as 200mW.
4. High shock resistance
The relay withstands a functional shock
resistance of 300m/s2 [approx. 30 G
more]
5. High insulation resistance
• Creepage distance and clearances between contact and coil: Min. 6 mm .236
inch(In compliance with IEC65)
• Surge withstand voltage between contact and coil: 10,000 V or more.
6. UL/CSA, VDE, TÜV approved.
SPECIFICATIONS
Contact
Characteristics
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Contact material
Nominal switching capacity
Rating
(resistive load)
Max. switching power
Max. switching voltage
Max. switching current
Mechanical (at 180 cpm)
Expected life
3A 125V AC,
Electrical
(min.operations) (at 20 cpm)
3A 30V DC
(at rated load) 3A 250V AC
1 Form A
Max. 100 mΩ
Silver alloy
3 A 277 V AC, 3 A
30V DC
831 V A (AC),
90W (DC)
277 V AC, 30 V DC
3A
5×106
2×105
20 cpm (at rated load)
Min. 1,000 MΩ (at 500 V DC)
Operate time*4 (at nominal voltage)
Release time (with diode)*4
(at nominal voltage)
Max. 10ms (at 20°C 68°F)
Temperature rise (at 70°C)
105
Coil
Nominal operating power
Max. operating speed
Initial insulation resistance*1
Between open
Initial*2
contacts
breakdown
Between contact and
voltage
coil
Initial surge voltage between contact
and coil*3
Shock resistance
200 mW
Remarks
• Air conditioner
• Refrigerator
• Hot water units
• Microwave ovens
• Fan heaters
Min. 10,000 V
Max. 10ms (at 20°C 68°F)
Max. 45°C with nominal coil
voltage and at 3 A contact
carrying current
(resistance method)
Min. 300 m/s2{approx. 30 G}
Min. 1,000 m/s2{approx. 100 G}
Ambient
temp.
Humidity
5 to 85% R.H.
Vibration resistance
Destructive
Conditions for operation,
transport and storage*8
(Not freezing and condensing at low temperature)
Unit weight
4,000 Vrms for 1 min.
10 to 55Hz
at double amplitude of 1.5mm
10 to 55Hz
at double amplitude of 1.5mm
–40°C to +70°C
–40°F to +158°F
Functional*7
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Initial breakdown voltage" section.
*2 Detection current: 10mA
*3 Wave is standard shock voltage of ±1.2×50ms according to JEC-212-1981
*4 Excluding contact bounce time.
*5 Half-wave pulse of sine wave: 11 ms; detection time: 10 µs
*6 Half-wave pulse of sine wave: 6 ms
*7 Detection time: 10 µs
*8 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 24).
TYPICAL
APPLICATIONS
Functional*5
Destructive*6
750 Vrms for 1 min.
Approx. 4 g .141 oz
ORDERING INFORMATION
Ex.
A
LD
1
12
Product name
Contact arrangement
Coil voltage(V DC)
LD
1: 1 Form A
4H: 4.5, 09: 9, 24: 24
05: 5, 12: 12
06: 6, 18: 18
UL/CSA, TÜV approved type is standard.
Note: Standard packing: Carton: 50pcs, Case: 1,000pcs
47
LD
TYPES AND COIL DATA (at 20°C 68°F)
Part No.
Nominal voltage,
V DC
Pick-up voltage,
V DC (max.)
(Initial)
Drop-out voltage,
V DC (min.)
(Initial)
Coil resistance,
Ω (±10%)
ALD14H
ALD105
ALD106
ALD109
ALD112
ALD118
ALD124
4.5
5
6
9
12
18
24
3.38
3.75
4.5
6.75
9
13.5
18
0.22
0.25
0.3
0.45
0.6
0.9
1.2
101
125
180
405
720
1,620
2,880
Nominal
operating
currrent,
mA (±10%)
44.6
40.0
33.3
22.2
16.7
11.1
8.3
Nominal
operating power,
mW
200
200
200
200
200
200
200
Maximum allowable voltage,
V DC
(at 20°C 68°F)
5.85
6.5
7.8
11.7
15.6
23.4
31.2
DIMENSIONS
mm inch
PC board pattern (Bottom view)
Max. 7.2
.284
Max. 20.5
.807
(1.05)
(.041)
3.4
0.4 .134
.016
0.2
.008
11.5
.453
7.0
.276
(1.15)
(.045)
Max. 15.3
.602
0.4 dia
016 dia
1.05
.041
11.5
.453
4-1.1 dia
4-.043 dia
4.7
.185
0.2
.008
Tolerance: ±0.1±.004
0.8
.031
4.7
.185
7.0
.276
Schematic (Bottom view)
1.15
.045
COM
NO
COIL
Dimension:
Max. 1mm .039 inch:
1 to 3mm .039 to .118 inch:
Min. 3mm .118 inch:
General tolerance
±0.1 ±.004
±0.2 ±.008
±0.3 ±.012
REFERENCE DATA
1. Max. switching power
2. Life curve
3. Coil temperature rise
Sample: ALD112, 6 pcs.
Point measured: inside the coil
Contact current: 0 A, 3 A
100
70
50
60
0A
3A
AC resistive load
DC resistive load
1.0
125V AC
resistive load
30
10
0.5
0.4
Temperature rise, °C
2.0
Life, ×104
Contact current, A
3.0
0.3
Room temperature
50
40
70°C
30
20
0.2
10
0
20 30
50
100
0
200 300
1
2
0
3
0
100
Contact current, A
Contact voltage, V
125
150
Coil applied voltage, %V
4-(2). Release time (without diode)
4-(3). Release time (with diode)
Sample: ALD112, 6 pcs.
Sample: ALD112, 6 pcs.
Sample: ALD112, 6 pcs.
10
10
8
8
8
6
4
Release time, ms
10
Release time, ms
Operate time, ms
4-(1). Operate time
6
4
Max.
6
4
Min.
Max.
Min.
2
2
2
Max.
Min.
0
80
100
120
140
Coil applied voltage, %V
48
0
80
100
120
140
Coil applied voltage, %V
0
80
100
120
140
Coil applied voltage, %V
175
LD
250V AC
12V DC
60Hz
G
NO
COM
Change of contact resistance
100
100
90
90
80
70
Pick-up voltage
Max.
60
Min.
50
40
30
Drop-out voltage
Contact resistance, mΩ
Sample: ALD112, 6 pcs.
Operating speed: 20 cpm
Ambient temperature: room temperature
circuit:
Change of pick-up and drop-out voltage
Ratio against the rated voltage, %V
5-(1). Electrical life test
(3 A 250 V AC, resistive load)
Max.
Min.
20
80
70
60
50
40
30
20
10
10
0
0
10
0
Max.
Min.
No. of operations, ×104
30V DC
G
12V DC
NO
COM
Change of contact resistance
100
100
90
90
80
Pick-up voltage
70
Max.
60
Min.
50
40
Drop-out voltage
30
Max.
Min.
20
80
70
60
50
40
30
Max.
20
Min.
10
10
0
Contact resistance, mΩ
Sample: ALD112, 6 pcs.
Operating speed: 20 cpm
Ambient temperature: room temperature
circuit:
Change of pick-up and drop-out voltage
Ratio against the rated voltage, %V
5-(2). Electrical life test
(3 A 30 V DC, resistive load)
10
0
No. of operations, ×104
0
10
No. of operations, ×104
20
0
0
10
20
No. of operations, ×104
For Cautions for Use, see Relay Technical Information (Page 11 to 39).
49