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53W Datasheet, PDF (1/2 Pages) DB Lectro Inc – PCB Mount /EMF
53/57W Series
PCB Mount /EMF
PRODUCT DESCRIPTIONS
The 53/57W Series is a 2 Form A and 3 Form A version
of the mercury EMF relay, which has acquired a favorable
reputation. This mercury relay achieves the EMF rate
less than 10µV, and allows effective utilization of smaller
mounting area.
SPECIFICATIONS
53/57W Series
Parameters
Coil Specifications
Units
Nominal Coil Voltage
Coil Resistance
Operate Voltage
Release Voltage
VDC
Ω
VDC Max
VDC Min
Contact Ratings
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy
Contact Resistance
Contact Resistance Stability
Volts
Amps
Amps
Watts
x106 Cycle
mΩ
mΩ
Relay Specifications
Insulation Resistance
Ω Min
Dielectric Strength
Operate Time
(No Bounce)
Release Time
VDC Min
VDC Min
VDC Min
msec Max
msec Max
Thermal EMF
µV-Max
Environmental Ratings
53W-3A□1N1
3 Form A
5.0 12.0 24.0
100 600 2000
4.0 9.6 19.2
0.7 1.2 2.4
500
1.0
5.2
50
1000
120
2.0
1011
500
500
500
2.5
2.5
10.0*1)
57W-2A□1N0
2 Form A
Low-Thermal Mercury
Test Conditions
5.0 12.0 24.0
60 300 1200 ±10% @ 20˚C
4.0 9.6 19.2 15˚C to 35˚C
0.7 1.2 2.4 15˚C to 35˚C
500
1.0
5.2
50
1000
50
2.0
1010
500
500
500
2.5
2.0
10.0*2)
Max DC/Peak AC resistance
Max DC/Peak AC resistance
Max DC/Peak AC resistance
Max DC/Peak AC resistance
@ 1V 10mA
Max initial @ operate voltage
Max initial @ operate voltage
Between all isolated pins
@ 500V 20˚C 40%RH
Between contacts
Contacts to shield
Contacts/Shield to coil
@ nominal coil voltage
50Hz square wave
Diode suppression
@ nominal coil voltage
Measurement Reference Conditions
Temp: 15˚C to 35˚C
Humidity: 25% to 75%RH
Atmospheric Pressure: 860 to 1060hpa
Storage temp: -20˚C to +80˚C
Operate temp: -10˚C to +60˚C
Vibration: 20G’s to 2000Hz
Shock: 50G’s
Ordering Code:
53W-3A□1N1
□=1 (5.0VDC), 2 (12.0VDC), 3 (24.0VDC)
57W-2A□1N0
□=1 (5.0VDC), 2 (12.0VDC), 3 (24.0VDC)
*1) Test after rated voltage applied for 30 minutes
*2) Short 1-14 measured 7-8
Test after rated voltage applied for 30 minutes