NR-HD-12 데이터 시트보기 (PDF) - Matsushita Electric Works
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NR-HD-12 Datasheet PDF : 8 Pages
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5.-(1) Leaving at high temperature
(Change of pick-up and drop-out voltages)
Tested sample: NR-SD-24V, 30 pcs.
Condition: Deenergized leaving at 90°C 194°F
(constant temperature)
20
18
16
Pick-up voltage
14
Max.
12
x
10
Min.
8
6
Drop out voltage
Max.
x
4
Min.
2
500
1,000
Time, hr
1,500
7. Contact sticking resistance
TEST CONDITION
The purpose of this test was to confirm contact stick-
ing resistance and contact stability against coil rip-
ples.
Tested Sample: NR-SD-24V, 10 pcs.
Test method: Following coil ripples were applied.
Test period: 500 hours
24 V DC
7 V DC
100 Hz
9.-(1) Rate of change in pick-up and drop-out
voltage (Single side stable)
180
Drop-out
160
voltage
140
120
Pick-up
100
voltage
80
60
40
20
–40 –20 0 20 40 60 80 100
–30 –10 10 30 50 70 90
Ambient temperature, °C
10.-(2) Mechanical life
(Change of contact resistance)
Tested Sample: NR-SD-24V, 10 pcs.
Operation frequency: 500 cps
90
N.C. side
80
N.O. side
70
60
50
40
Max.
30
20
Min.
10
1,000
10,000
100,000
No. of operations, ×104
5.-(2) Leaving at high temperature
(Change of contact resistance)
Tested sample: NR-SD-24V, 30 pcs.
Condition: Deenergized leaving at 90°C 194°F
(constant temperature)
1,000
500
N.C. side contact
N.O. side contact
Max.
100
Max.
50
Min.
Min.
100
1,000
Time, hr
10,000
TEST RESULT
No occurance of sticking was observed.
Contact resistance: Fig. 1
NR-SD-24V: 29 mΩ to 30.4 mΩ
100
50
Max.
x
Min.
10
100
1,000
Energization time, Hr Fig. 1
In actual application, above coil ripples should be
avoided and use of a capacitor in the circuit is recom-
mended to keep the ripple factor below 5%.
9.-(2) Rate of change in pick-up voltage
(2 coil latching)
180
160
140
120
100
Pick-up
80
voltage
60
40
20
–40 –20 0 20 40 60 80 100
–30 –10 10 30 50 70 90
Ambient temperature, °C
11.-(1) Electrical life
(1 A 20 V DC resistive load)
Tested sample: NR-SD-24V, 10 pcs.
F(t)(%)
99.9
99.0
95.0
70.0
50.0
30.0
10.0
5.0
2.0
1.0
η: 1.85×106
0.5
µ: 1.65×106
σ: 5.64×104
0.2
(Weibull probability paper)
0.1
1
5 10
No. of operations, ×104
6. High frequency characteristics
Tested sample: NR-SD-24V
Tested condition:
NR
SG(Signal generator)
A
B
N.O.
50Ω
N.C. 50Ω
Isolation loss between
A and B is measured.
–100
–50
5 10
50 100
Frequency, MHz
8. Distribution of contact resistance
Tested sample: NR-SD-24V (WG type) 105 pcs.
x = 24.2 mΩ
3σ = 9.27 mΩ
50
40
30
20
10
10
20
30
40
50
Contact resistance, mΩ
10.-(1) Mechanical life
(Change of pick-up and drop-out V)
Tested Sample: NR-SD-24V, 10 pcs.
Operation frequency: 500 cps
15
Pick-up Voltage
10
Max.
Min.
Drop-out Voltage
5
Max.
Min.
1,000
10,000
100,000
No. of operations, ×104
11.-(2) Electrical life
Tested Sample: NR-SD-24V, 10 pcs.
Load: 60 mA 24 V DC resistive load
Frequency: 50 cps
N.C. side
N.O. side
150
100
50
100
1,000
1,0000
No. of operations, ×104
115
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