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0242.040HAT1

Special Application Fuses 242 Series Barrier Fuse

Unspecified 

Special Application Fuses

242 Series Barrier Fuse

242 Series Barrier Fuse

RoHS

Agency Approvals

Agency

Agency File Number

E10480

Ampere Range

0.040A - 0.250A

Electrical Characteristics

% of Ampere

Rating

100%

300%

1000%

Opening Time

4 hours, Minimum

10 seconds, Maximum

0.002 seconds, Maximum

Description

The 242 Series fuse is designed for barrier circuits in intrinsic

safety applications relating to Hazardous Locations. Ranging

from 40mA to 250mA, the 242 Series provides overcurrent

protection solutions to fit many Hazardous Location

barrier applications.

Features

• High interrupting rating

suitable for intrinsic

safety protection of

hazardous locations

equipment.

• Available in both axial

lead and surface mount.

• RoHS compliant and

Halogen-free.

Applications

• Intrinsic saftey electrical

equipment; Electrical

connections and

components; Test

equipment

• Barriers providing

intrinsically safe outputs to

Hazardous Locations

Additional Information

Datasheet

Resources

Samples

Electrical Characteristics

Ampere Rating

(A)

Amp Code

0.040

.040

0.050

.050

0.080

.080

0.100

.100

0.125

.125

0.160

.160

0.200

.200

0.250

.250

Body

Color

Coding

Gold

Red

Green

Blue

Orange

Violet

Brown

Black

Interrupting

Rating

4000A @

250VAC/VDC

Nominal

Cold

Resistance

(Ohms)

16.48

11.34

8.19

3.60

3.78

3.00

2.68

1.6

Nominal Melting

I2t (A2 Sec.)

Agency

Approvals

0.000078

x

0.000103

x

0.000214

x

0.000977

x

0.001026

x

0.00157

x

0.0025

x

0.00579

x

Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each

product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at:

www.littelfuse.com/disclaimer-electronics.

Specifications are subject to change without notice. Application testing is strongly recommended.

© 2018 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 05/31/18

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