Notes:

1

Consult factory for life expectancy at other switching loads .

2

This relay contains a bias magnet . Correct coil polarity must be observed .Models 5502 and 5504 susceptible to magnetic interaction due to

bias internal magnet .

Environmental Ratings:

All electrical parameters measured at 25°C unless otherwise specified .

Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s

MODEL NUMBER

5501

5503

Parameters

Test Conditions

Units

1 Form A

High Voltage

Isolation

1 Form B

High Voltage

Isolation

1 Form A

Load Switching

1 Form B

Load Switching

COIL SPECS.

Nom. Coil Voltage

VDC

5

12

24

5

12

24

5

12

24

5

12

24

Max. Coil Voltage

VDC

6.5

15

30

6.5

15

30

6.5

15

30

6.5

15

30

Coil Resistance

+/- 10%, 25° C

Ω

40 175 575 40 175 575 40 175 575 40 175 575

Operate Voltage

Must Operate by

VDC - Max.

3.75 9.0 18.0 3.75 9.0 18.0 3.75 9.0 18.0 3.75 9.0 18.0

Release Voltage

Must Release by

VDC - Min.

0.5 1.0 2.0 0.5 1.0 2.0 0.5 1.0 2.0 0.5 1.0 2.0

CONTACT RATINGS

Switching Voltage

Max DC/Peak AC Resist.

Volts

7500

7500

3500

3500

Switching Current

Max DC/Peak AC Resist.

Amps

3.0

3.0

3.0

3.0

Carry Current

Max DC/Peak AC Resist.

Amps

5.0

5.0

5.0

5.0

Contact Rating

Max DC/Peak AC Resist.

Watts

50

50

200

200

Signal Level 1.0V, 10mA

100

100

100

100

Static Contact

Resistance (max. init.)

50mV, 10mA

Ω

0.080

0.080

0.200

0.200

RELAY SPECIFICATIONS

Insulation Resistance

(minimum)

Between all Isolated Pins

at 100V, 25°C, 40% RH

Ω

Capacitance - Typical

Across Open Contacts

pF

1.5

1.5

1.5

1.5

Dielectric Strength

(minimum)

Between Contacts

Contacts to Coil

VDC/peak AC

VDC/peak AC

10,000

10,000

10,000

10,000

7,500

10,000

7,500

10,000

Operate Time -

including bounce

At Nominal Coil Voltage,

30 Hz Square Wave

msec.

3.0

3.0

3.0

3.0

Release Time - Typical

msec.

3.0

3.0

3.0

3.0

Top View: Grid = .1”x.1” (2.54mm x 2.54mm)

1

2

3

4

+

5502, 5504

1

2

3

4

5501, 5503

COTO TECHNOLOGY, INC.

For most recent data visit www.cotorelay.com

page | 25