PCB Relays

Single Relays

T72M

Please observe the disclaimer.

98

Catalog 1308028

Revision 03-06

Revision 03-05

Ambient temperature vs. coil voltage for continuous duty

140

120

100

80

60

40

20

0

80

90

100

110

120

130

140

150

160

170

180

190

200

Applied Coil Voltage (% of Nominal Voltage)

0 A Contact Load

10 A Contact Load

15 A Contact Load

20 A Contact Load

ECR2203-F

Coil data

Available for nominal voltages

6, 12, 24 V

Nominal power consumption of the unsuppressed coil at nominal voltage

0.8 W

Test voltage winding/contact

– 40 to + 105 °C

Operate time at nominal voltage

5 ms

2 ms

1)

See also diagram Ambient temparature vs. coil voltage for continuous duty.

2)

Measured at nominal voltage without coil suppression unit.

N.B.

A low resistive suppression device in parallel to the relay coil increases the release time and reduces

the lifetime caused by increased erosion and/or higher risk of contact tack welding.

Assumptions:

1. Still air

2. Nominal coil resistance

3. Maximum mean coil temperature = 155 ˚C

4. Coil temperature rise due to load

= 8 °C at 10 A

= 20 °C at 15 A

35.5 °C at 20 A

5. Curves are based on nominal coil power at 23 °C

6. When full lifetime is at high ambient and high load current,

subtract 25 °C from maximum allowable ambient temperature.

Mechanical data

Audible sound (14 V coil voltage)

95 dBA at 10 cm

77 dBA at 1 m

Enclosures

Sealed relay is suitable for immersion cleaning of PCB assembly.

Sealed

Please refer to the Application Recommendations in this catalog.

Relay may be vented after cleaning by cutting the vent protection from the corner of the

relay after processing using a razor knife or equivalent.

Operating conditions

Temperature range, storage

Refer to

Storage in the “Glossary”

Test

Relevant standard

Testing as per

Dimension

Comments

Vibration resistance

1.27 mm double amplitude

10-40 Hz

Valid for NC contacts.

5 g constant

40-70 Hz

NO contacts are

0.5 mm double amplitude

70-100 Hz

significantly higher

10 g constant

100-500 Hz

Shock resistance

half sine pulse form

11 ms

No change in the

20 g

switching state > 1 ms

Jump start

24 V for 5 minutes conducting nominal current at 23 °C

Drop test

Capable of meeting specifications after 1.0 m (3.28 foot) drop onto concrete in final enclosure

Flammability

UL94-HB or better (meets FMVSS 302)