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Reed Switch R8   R1, R2, R3, R4, R5, R6, R7, R8, R9
Part Name
SM501/T
PR560
PR100
PR126
Physical Characteristics
Glass Diameter(Max)-a
2.3mm
2.3mm
2.5mm
2.5mm
Glass Length(Max)-b
12.7mm
14.2mm
20.3mm
20.3mm
Lead Dia(Nominal)-c
0.45mm
0.6mm
0.6mm
0.7mm
Overall Length -d
19.35mm
54.0mm
54.0mm
54.0mm
Electrical Characteristics:
Contact Arrangement
Form A (SPST)
Form A (SPST)
Form A (SPST)
Form A (SPST)
Contact Material
Rhodium
Rhodium
Rhodium
Rhodium
Power Rating
10 VA maximum
10 VA maximum
10 VA maximum
70 VA maximum
Switching Current(max)
0.5Amp DC & AC
1.0Amp DC & AC
1.0Amp DC & AC
1.5Amp DC & AC
Carry Current(max)
1.5 Amp DC & AC
1.5 Amp DC & AC
2.5 Amp DC & AC
Switching Voltage(max.)
100 VDC,125VAC
250 VAC,100VDC
250 VAC,100VDC
300 VAC,125VDC
Breakdown Voltage(min.@20AT)
200 VDC
600 VDC
750 VDC
750 VDC
Contact Resistance
150 milliOhms
100 milliOhms
100 milliOhms
100 milliOhms
Insulation Resistance(min.)
1012 Ohms
1012 Ohms
1012 Ohms
1012 Ohms
Contact Capacitance(pf Max)
0.3pF
0.2pF
0.2pF
0.3pF
Operating Characteristics
Magnetic Sensitivity(Range - Pull in)
10 to 25 AT
20 to 40 AT
20 to 50 AT
20 to 60 AT
Magnetic Sensitivity(Range - Pull out)
Operate Time,including bounce(typ.)
1.0 Milliseconds
0.6 Milliseconds
0.8 Milliseconds
0.8 Milliseconds
Release Time (typ.)
0.1Milliseconds
0.1Milliseconds
0.1Milliseconds
0.1Milliseconds
Resonant Frequency(typ)
3.2 KHz
3.0 KHz
2.2 KHz
2.2 KHz
Release Time (typ.)
50 G
50 G
40 G
30 G
Vibration, 10-2000Hz(G's Max.)
100 G
100 G
100 G
100 G
Operating Temperature
-40 to 125
-40 to 125
-40 to 125
-40 to 125
Storage Temperature
-50o to 155o
-50o to 155o
-50o to 155o
-50o to 155o
Type Applications
Test equipment instrumentation,liquid level sensing & incandescent lamp switching.
Pcb surface mount applications & where magnetic field is very low.
High voltage high power applications
High voltage high power applications
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