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ST2-DC9V Datasheet(PDF) 2 Page - Nais(Matsushita Electric Works)

Part # ST2-DC9V
Description  IC DRIVABLE PC BOARD RELAY FOR FIELD LOAD SWITCHING
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Manufacturer  NAIS [Nais(Matsushita Electric Works)]
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Logo NAIS - Nais(Matsushita Electric Works)

ST2-DC9V Datasheet(HTML) 2 Page - Nais(Matsushita Electric Works)

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ST
250
TYPES AND COIL DATA (at 20
°C 68°F)
Single side stable
2 coil latching
Part No.
Nominal
voltage,
V DC
Pick-up voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
Maximum
allowable voltage,
V DC (60
°C 140°F)
Coil resistance,
Ω (±10%)
Nominal
operating
current, mA
1 Form A
1 Form B
2 Form A
ST1-DC3V
ST2-DC3V
3
2.4
0.3
4.5
38
75
ST1-DC5V
ST2-DC5V
5
4.0
0.5
7.5
105
47
ST1-DC6V
ST2-DC6V
6
4.8
0.6
9.0
150
40
ST1-DC9V
ST2-DC9V
9
7.2
0.9
13.5
360
25
ST1-DC12V
ST2-DC12V
12
9.6
1.2
18.0
600
20
ST1-DC24V
ST2-DC24V
24
19.2
2.4
36.0
2,400
10
ST1-DC48V
ST2-DC48V
48
38.4
4.8
72.0
9,000
4.7
Part No.
Nominal
voltage,
V DC
Set and reset
voltage,
V DC (max.)
Maximum allowable voltage,
V DC (60
°C 140°F)
Coil resistance,
Ω (±10%)
Nominal
operating
current, mA
1 Form A
1 Form B
2 Form A
ST1-L2-DC3V
ST2-L2-DC3V
3
2.4
4.5
40
75
ST1-L2-DC5V
ST2-L2-DC5V
5
4.0
7.5
110
47
ST1-L2-DC6V
ST2-L2-DC6V
6
4.8
9.0
155
37.5
ST1-L2-DC9V
ST2-L2-DC9V
9
7.2
13.5
360
25
ST1-L2-DC12V
ST2-L2-DC12V
12
9.6
18.0
640
18.8
ST1-L2-DC24V
ST2-L2-DC24V
24
19.2
36.0
2,400
9.8
ST1-L2-DC48V
ST2-L2-DC48V
48
38.4
72.0
10,200
4.7
DIMENSIONS
mm inch
General tolerance:
±0.2 ±.008
31.0
1.220
11.0
.433
7.62
.300
7.62
.300
10.16
.400
85
4
3
2
1
76
10.16
.400
14
.551
0.3
.012
3.5 .138
PC board pattern
(Copper-side view)
Tolerance:
±0.1 ±.004
2 coil latching
types only.
8-DIA. 1.4
.055
2.54
.100
2.54
.100
Schematic (Bottom view)
Single side stable
1a1b
2a
(Deenergized condition)
14
5
6
7
8
–+
14
5
6
7
8
–+
2 coil latching
1a1b
12
5
6
7
8
–+
34
+–
(Reset condition)
Diagram shows the "reset" po-
sition when terminals 3 and 4
are energized. Energize termi-
nals 1 and 2 to transfer con-
tacts.
2a
12
–+
34
+–
5
6
7
8
Diagram shows the "reset" po-
sition when terminals 3 and 4
are energized. Energize termi-
nals 1 and 2 to transfer con-
tacts.
REFERENCE DATA
1. Max. switching power
2. Life curve
3. Coil temperature rise
Sample: ST1-DC24V
10
20
50
100 200 300
0.1
0.2
0.5
1
2
5
10
Voltage, V
AC resistive load
DC resistive load
inductive load
AC
(cos
ϕ =0.4)
10
20
50
100
200
500
1,000
12
3
4
567
89 10
Current, A
AC 250 V, 125 V resistive load
AC 250 V, 125 V inductive load
(Pf = 0.4)
0.1
0.2
0.3
0.4
0.5
60
50
40
30
20
10
0
Coil operating power, W
5 A
0 A
Contact current
8 A


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