Signal Relays
T81 Series Signal PCB Relay
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Potter & Brumfield
Au clad contacts in a 1 Form C (CO) arrangement
Standard 0.1” (2.54mm) grid spacing in a DIP configuration
Standard or sensitive DC coils through 24 volts
High dielectric strength
Wash tight case
Quiet operation for security applications
Typical applications
Audio communications circuits, logic and process control, vending
machines, thermostats, office automation
UC
Coil Data
(continued)
Coil versions, DC coil
Coil
Rated
Operate
code
voltage
voltage
VDC
VDC
Standard coil, 450mW
05
5
3.5
06
6
4.2
09
9
6.3
12
12
8.4
24
24
16.8
Sensitive coil, 200mW
05
5
3.75
06
6
4.5
09
9
6.75
12
12
9.0
24
24
18.0
Release
voltage
VDC
0.25
0.3
0.45
0.6
1.2
0.5
0.6
0.9
1.2
2.4
Coil
resistance
Ω±10%
55
80
180
320
1280
125
180
400
700
2800
Rated coil
power
mW
450
450
450
450
450
200
200
200
200
200
Approvals
UL E29244, CSA LR48471
Technical data of approved types on request
Contact Data
Contact arrangement
Rated voltage
Max. switching voltage
Rated current
Limiting continuous current
Switching power
Contact material
Contact style
Min. recommended contact load
Initial contact resistance
Frequency of operation
Operate/release time max.
standard coil
sensitive coil
Electrical endurance
1A, 120VAC, resistive
1A, 24VDC, resistive
Contact ratings
Mechanical endurance
1 form C (CO)
24VDC, 120VAC
60VDC, 125VAC
1A
2A
120VA, 30W
Au overlay AgPd alloy
single contact
1mA at 1VDC
50mΩ at 100mA, 6VDC
72000 ops/h
5/7ms
10/7ms
100x10
3
ops.
100x10
3
ops.
1A, 120VAC/24VDC, resistive
2A, 125VAC/30VDC, resistive (NO)
10x10
6
ops.
All figures are given for coil without preenergization, at ambient temperature +23°C.
Insulation Data
Coil Data
Magnetic system
Coil voltage range
Max. coil temperature
neutral
5 to 24VDC
105°C
Initial dielectric strength
between open contacts
between contact and coil
Initial surge withstand voltage
Initial insulation resistance
between insulated elements
Clearance/creepage
between contact and coil
500V
rms
1000V
rms
1500Vrms (10/160μs)
10
9
Ω
1.5/1.76mm
Electrical endurance
100
24VDC Resistive
Operate time
12
10
Coil temperature rise
60
50
Operation (x 10
4
)
10
120VAC Resistive
Temp. Rise (°C)
8
40
30
20
10
Time (msec)
6
4
2
Operate Time
1
Release Time
0.2
0.4
0.6
0.8
Contact Current (A)
1.0
1.2
0.1
0.2
0.3
0.4
0.5
Coil Powe r (W)
0.6
0.7
0.1
0.2
0.3
0.4
0.5
Coil Powe r (W)
0.6
0.7
04-2011, Rev. 0411
© 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
1
MACOM [ Tyco Electronics ]
