LD-P (ALDP1)
2. Specifications
Characteristics
Item
Specifications
Arrangement
Contact resistance (Initial)
1 Form A
Contact
Rating
Max. 100 mΩ (By voltage drop 6 V DC 1A)
AgNi type
Contact material
Nominal switching capacity (resistive load)
Max. switching power (resistive load)
Max. switching voltage
5A 277V AC, 3A 30V DC
1,385VA, 90W
277V AC, 30V DC
Max. switching current
5A (AC), 3A (DC)
Min. switching capacity (reference value)*1
100mA 5V DC
Insulation resistance (Initial)
Min. 1,000MΩ (at 500V DC) Measurement at same location as “Breakdown voltage” section.
750 Vrms for 1 min. (Detection current: 10 mA)
4,000 Vrms for 1 min. (Detection current: 10 mA)
Between open contacts
Between contact and coil
Breakdown voltage
(Initial)
Surge breakdown voltage*2
(Between contact and coil) (Initial)
Electrical
characteristics
10,000 V
Max. 30°C 86°F (By resistive method, nominal coil voltage applied to the coil;
contact carrying current: 5A, at 85°C 185°F)
Temperature rise (coil)
Operate time (at nominal voltage) (at 20°C 68°F)
Release time (at nominal voltage) (at 20°C 68°F)
Max. 10 ms (excluding contact bounce time.)
Max. 10 ms (excluding contact bounce time) (With diode)
300 m/s2 (Half-wave pulse of sine wave: 11 ms; detection time: 10µs.)
1,000 m/s2 (Half-wave pulse of sine wave: 6 ms.)
10 to 55 Hz at double amplitude of 1.5 mm (Detection time: 10µs.)
10 to 55 Hz at double amplitude of 1.5 mm
Functional
Shock resistance
Destructive
Mechanical
characteristics
Functional
Vibration resistance
Destructive
Mechanical (at 180 times/min.)
Min. 5×106
Expected life
Electrical (at 20 times/min.) (resistive load)
Min. 2×105 (5A 125V AC at rated load), Min. 105 (5A 250V AC, 3A 30V DC)
Ambient temperature: –40°C to +85°C –40°F to +185°F;
Conditions for operation, transport and storage*3
Max. operating speed
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Conditions
Unit weight
20 times/min. (at nominal switching capacity)
Approx. 4 g .14 oz
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of 1.2×50µs according to JEC-212-1981
*3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
REFERENCE DATA
1. Max. switching power
2. Life curve
3. Coil temperature rise
Sample: ALDP112, 6 pcs.
Point measured: inside the coil
Contact current: 0 A, 5 A
10
5
100
50
*at room temperature
125V AC resistive load
5A*
0A*
40
30
20
10
AC resistive load
85°C 5A
85°C 0A
250V AC resistive load
1
10
0.1
1
10
100
0
1
2
3
4
5
6
80
100
120
140
Contact voltage, V
Contact current, A
Coil applied voltage, %V
4-(1). Operate time
Sample: ALDP112, 30 pcs.
4-(2). Release time (without diode)
Sample: ALDP112, 30 pcs.
4-(3). Release time (with diode)
Sample: ALDP112, 30 pcs.
10
10
10
8
6
4
2
0
8
8
6
6
Max.
Min.
4
4
Max.
Min.
2
2
Max.
Min.
0
0
60
80
100
120
140
60
80
100
120
140
60
80
100
120
140
Coil applied voltage, %V
Coil applied voltage, %V
Coil applied voltage, %V
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