Telecom Relays
 
SERIES
27
31
41
42
Description
Miniature Cradle Relay
Dual in line Telecom
Relay
Ultra Miniature Polarised Relay
DIP/SIP Reed
Relay
Contact Arrangement
2C            4C
2C
 2C
1A      
1C
(DIP Version only)
Contact Material
Silver with Gold onlay
Silver Alloy
With Gold Onlay
 Gold Clad Silver Alloy
Rhodium
Contact Current Rating
0.25 A
3A
5A
1 A
 2A
0.25 A
Contact Voltage
100VDC/AC
Max. 10w
100VDC/AC
Max. 84w
250VDC/AC
Max. 100w
220VDC/250VAC
Max. 24W
 30VDC
100VDC Max.10W(1A)
28VDC Max. 3W(1C)
Coil Voltage (Volts)
1.0-120 VDC
5-48 VDC
 4.5 - 12VDC
5-24 VDC
Contact Resistance
Initial (Milli Ohm)
50
50
 100
200
Insulation Resistance
Initial (Meg Ohm) at 500 VDC
100
1000
 1000
104(1A) & 103(1C) at 100 VDC
Dielectric Strength
     Coil to Contact
     Across Contacts

500 V rms
500 V rms

1000 V rms
1000 V rms
2000 V rms
1000 V rms

1000 V rms
200 V DC
Operate Time
(Milli Sec.)
10
4
 4
0.9 (1A)
1.0 (1C)
Release Time
(Milli Sec.)
10
3
 4
0.35(1A) & 0.5 with diode
1.5 (1C)
Temperature Range
(Degree Celcius)
-10 to +65
-40 to +80
 -40 to +85
-40 to +85
Electrical Life
(Operations)
2 x 106(0.25 A)
105(3A & 5A)
5 x 105
 105
106
Mechanical Life
(Operations)
5 x 107
107
 108
108
Dimensions
L x B x H (mm)
2C-24.4 x 19 x 31
4C-30 x 19 x 31
20 x 9.9 x 10
 15 x 7.40 x 9.20
DIP 19 x 7.9 x 7.6
SIP 19 x 7 x 8.6
Mounting
Solder or PCB
(Socket optional)
PCB
 PCB
PCB