Littelfuse 232 User Manual

Axial Lead & Cartridge Fuses

5×20 mm > Medium-Acting > 232 Series

232 Series, 5×20 mm, Medium-Acting Fuse

Description

5×20mm medium–acting glass body cartridge fuse
designed to Meti B Standard.

Features

PS

E

Agency Approvals

Agency Agency File Number Ampere Range

Cartridge Certificates:
NBK260202-E10480 B

PS

E

NBK290502-E10480 D

Leaded Certificates:
NBK290502-E10480 B
NBK290502-E10480 F

Certificates:
SU05001-2015

1A – 5A

6.3A – 10A

1A – 5A

6.3A – 10A

1A – 10A

1A – 10A

• DesignedtoJapanese

Standard JIS C6575

• RoHScompliantand
lead-free

• Availableincartridgeand

axial lead format

Applications

Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.

Additional Information

Datasheet

Resources

Samples

Electrical Characteristics for Series

% of Ampere

Rating

130% 1 hour, Minimum

160% 1 hour, Maximum

200% 2 minutes, Maximum

Opening Time

Electrical Characteristic Specifications by Item

Amp Code

0 01. 1 125/250

1.25 1.25 125/250 0.0685 4.11000 x x x

01. 6 1. 6 125/250 0.0537 6.96000 x x x

002. 2 125/250 0.0370 8.25000 x x x

02.5 2.5 125/250 0.0291 13.87500 x x x

003. 3 125/250 0.0226 17.19000 x x x

3.15 3.15 125/250 0.0215 21.9500 x x x

004. 4 125/250 0.0174 37.73000 x x x

005. 5 125/250 0.0134 56.72000 x x x

06.3 6.3 125/250

008.* 8 125/250 0.0076 182.58000 x x x

010. * 10 125/250 0.0059 290.66500 x x x

To order 125Vac rated, please add part no. suffix
* Interrupting Rating for 8A & 10A is 100A@250Vac

Amp Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

10,000A @ 125VAC

300A @ 125VAC

Nominal Cold

Resistance

(Ohms)

0.0923 1.37300 x x x

0.0102 90.41500 x x x

Nominal

Melting

2

t

I

(A2 sec)

Agency Approvals

PS

E

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

01

300

240

Temperature (°C) - Measured on bottom side of board

5×20 mm > Medium-Acting > 232 Series

Average Time Current CurvesTemperature Rerating Curve

10000

1000

100

10

1

TIME IN SECONDS

0.1

1A

1.25A

1.6A2A2.5A3A3.15A4A6.3A8A10A

5A

0.01

0.001
110

CURRENT IN AMPERES

10

000

Soldering Parameters - Wave Soldering

Recommended Process Parameters:

280

260

240

220

200

180

160

140

120

100

80

60

40

20

0

0

102030405060708090

Time (Seconds)

Preheat Time

100

110

120

130

140

150

160

170

180

190

200

210

220

230

Dwell Time

Cooling Time

Wave Parameter Lead-Free Recommendation

Preheat:

(Depends on Flux Activation Temperature)

Temperature Minimum:
Temperature Maximum:

(Typical Industry Recommendation)

100

° C

150

° C

Preheat Time: 60-180 seconds

Solder Pot Temperature:

260

° C Maximum

Solder Dwell Time: 2-5 seconds

Recommended Hand-Solder Parameters:

Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or
Convection Reflow process.

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13