Notes:

1

Consult factory for life expectancy at other switching loads.

2

Model 2274, pins #6 & #7 are tied to coaxial shield.

Environmental Ratings:

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

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

COTO TECHNOLOGY, INC.

For most recent data visit www.cotorelay.com

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6

7

8

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2

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5

6

7

8

MODEL NUMBER

2274

2271

Parameters

Test Conditions

Units

1 Form A

1 Form C

COIL SPECS.

Nom. Coil Voltage

VDC

5 12

5 12

Coil Resistance

+/- 10%, 25° C

Ω

100 550

100 550

Operate Voltage

Must Operate by

VDC - Max.

2.5 6.7

2.5 6.7

Release Voltage

Must Release by

VDC - Min.

0.4 1.0

0.4 1.0

CONTACT RATINGS

Switching Voltage

Max DC/Peak AC Resist.

Volts

200

100

Switching Current

Max DC/Peak AC Resist.

Amps

0.5

0.25

Carry Current

Max DC/Peak AC Resist.

Amps

1.0

0.5

Contact Rating

Max DC/Peak AC Resist.

Watts

10

3

Signal Level 1.0V, 10mA

500

100

Rated Loads

5

5

Static Contact

Resistance (max. init.)

50mV, 10mA

Ω

0.100

0.150

Dynamic Contact

Resistance (max. init.)

0.5V, 50mA

at 100 Hz, 1.5 msec

Ω

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

Shield Floating

Shield Guarding

pF

pF

0.9

0.2

0.9

N/A

Dielectric Strength

(minimum)

Between Contacts

Contacts to Shield

Contacts/Shield to Coil

VDC/peak AC

VDC/peak AC

VDC/peak AC

250

250

1500

200

N/A

1500

Operate Time -

including bounce

At Nominal Coil Voltage,

30 Hz Square Wave

msec.

0.5 (typ.)

1.0 (typ.)

Release Time - Typical

msec.

0.1

2.0

Top View:

Dot stamped on top of relay refers to pin #1 location

Grid = .1”x.1” (2.54mm x 2.54mm)

06262014