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LD (ALD)
TYPES AND COIL DATA (at 20°C 68°F)
DIMENSIONS
mm inch
REFERENCE DATA
Part No.
Nominal voltage,
V DC
Pick-up voltage,
V DC (max.)
(Initial)
Drop-out voltage,
V DC (min.)
(Initial)
Coil resistance,
Ω (±10%)
Nominal
operating
current,
mA (±10%)
Nominal
operating power,
mW
Maximum
allowable voltage,
V DC
(at 20°C 68°F)
ALD14H 4.5 3.38 0.22 101 44.6 200 5.85
ALD105 5 3.75 0.25 125 40.0 200 6.5
ALD106 6 4.5 0.3 180 33.3 200 7.8
ALD109 9 6.75 0.45 405 22.2 200 11.7
ALD112 12 9 0.6 720 16.7 200 15.6
ALD118 18 13.5 0.9 1,620 11.1 200 23.4
ALD124 24 18 1.2 2,880 8.3 200 31.2
0.4 dia
016 dia
0.4
.016
0.8
.031
1.15
.045
4.7
.185
0.2
.008
0.2
.008
3.4
.134
Max. 20.5
.807
Max. 15.3
.602
Max. 7.2
.284
11.5
.453
1.05
.041
7.0
.276
Dimension: General tolerance
Max. 1mm .039 inch: ±0.1 ±.004
1 to 3mm .039 to .118 inch: ±0.2 ±.008
Min. 3mm .118 inch: ±0.3 ±.012
PC board pattern (Bottom view)
Tolerance: ±0.1 ±.004
Schematic (Bottom view)
4-1.1 dia
4-.043 dia
(1.15)
(.045)
(1.05)
(.041)
11.5
.453
4.7
.185
7.0
.276
COIL
COM NO
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
0.2
0.3
0.4
0.5
1.0
2.0
3.0
20 30 50 100 200 3000
Contact voltage, V
Contact current, A
AC resistive load
DC resistive load
0
10
30
50
100
123
125V AC
resistive load
Contact current, A
Life, ×10
4
Coil applied voltage, %V
Temperature rise, °C
70°C
1000 125 175150
70
60
50
40
30
20
10
0
3A
0A
20°C
4-(1). Operate time
Sample: ALD112, 6 pcs.
4-(2). Release time (without diode)
Sample: ALD112, 6 pcs.
4-(3). Release time (with diode)
Sample: ALD112, 6 pcs.
Coil applied voltage, %V
Operate time, ms
80 100 140120
10
8
6
4
2
0
Max.
Min.
Coil applied voltage, %V
Release time, ms
80 100 140120
10
8
6
4
2
0
Max.
Min.
Coil applied voltage, %V
Release time, ms
80 100 140120
10
8
6
4
2
0
Max.
Min.
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