Datasheet 0314030.HXP, 0314025.HXP Specification

Axial Lead & Cartridge Fuses

3AB > Fast-Acting > 314/324 Series

314/324 Series Lead-free 3AB, Fast-Acting Fuse

Description

The 3AB Fast-Acting Fuse with ceramic body construction
permits higher interrupting ratings and voltage ratings. Ideal
for applications where high current loads are expected.

Features

PS

E

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Standard 248-14

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Lead-free

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and axial lead format
and with various
forming dimensions

Agency Approvals

Agency Agency File Number Ampere Range

E10480 375mA - 15A

LR 29862 375mA - 20A

E10480 15A* - 40A

PS

E

NBK 030805 - E10480A-F
NBK 260106 - JP1021A/B

SU05001 -

6001/6002/6003/7006/8002/8003

375mA - 30A

375mA - 30A

375mA - 30A

Applications

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

Electrical Characteristics for Series

% of Ampere

Rating

100% 1/8 - 40 4 hours, Minimum
135% 1/8 - 30 1 hour, Maximum

200%

250% 40 30 secs., Maximum

Ampere Rating Opening Time

1/8 - 12 15 secs., Maximum

15 - 30 30 secs., Maximum

Electrical Specication by Item

Agency Approvals

xx

PS

E

AC
DC

AC
DC

AC
DC

DC
AC
DC

DC

AC

AC

AC

AC

Nominal

Cold

Resistance

(Ohms)

0.820 0.050

0.189 0.690

0.0470 10.4 x x x x x

AC

0.00355 631 xxxxx

0.00235 1450 x x x x

AC

0.0014 22925 x x

Nominal

Melting

2

t (A2 sec)

I

xx x
xx x
xx x
xx xx
xx xx

Ampere

Amp
Code

.375 0.375 250
.500 0.5 250 0.500 0.115
.750 0.75 250 0.250 0.466

001. 1 250

002. 2 250 0.0700 11.0

003. 3 250 0.0432 14.6 x x x x x

004. 4 250

005. 5 250 0.0300 26.0 x x x x x

006. 6 250 0.0240 45.0 x x x x x

007. 7 250 0.0187 71.0 x x x x x

008. 8 250 0.0153 105 x x x x x

010. 10 250 0.0105 206 x x x x x

012. 12 250 0.00760 570 x x x x x

015. 15 250 0.00505 292 x x x x x

015.* 15 280 0.00505 292

020. 20 250

020.* 20 280 0.00355 631 x x

025. 25 250

025.** 25 280 0.00235 1450 x x

030. 30 250 0.00182 2490 xxxx

040. 40 250

Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

35 A @ 250 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC

100 A @ 250 V

10

kA

@ 125 V

10

kA

@ 125 V

750 A @ 250 V

10

kA

@ 125 V

10

kA

@ 125 V

1000 A @ 250 V

200 A @ 300 V

10

kA

@ 125 V

10

kA

@ 125 V

100 A @ 250 V
1000A @ 75 V

400A @ 125 V

400 A @ 125 V

1000 A @ 250 V

400 A @ 150 V

314/324 Series

* 350A@280VAC interrupting rating available for 15A and 20A. ** 50A@280VAC for 25A. Add sufx ’280’. Example: 0324020.MX280P.
I2t test at 10x rated current

© 2009 Littelfuse, Inc.

Specications are subject to change without notice.
Please refer to www.littelfuse.com/series/314.html
or /324.html for current information.

323

Revised: June 23, 2011

314/324 Series

Introduction to Circuit Protection

Introduction to Circuit Protection

Axial Lead & Cartridge Fuses

3AB > Fast-Acting > 314/324 Series

Transientology

Temperature Rerating Curve

Average Time Current Curves

.375A

.500A

1000

100

10

TIME IN SECONDS

1

0.1

0.01

0.1 1 10 100 1000

.750A1A2A3A4A5A6A7A8A

CURRENT IN AMPERES

10A

12A

15A

20A

25A

30A

40A

Soldering Parameters - Wave Soldering

300

280

260

240

220

200

180

160

140

120

100

80

60

40

20

0

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

0

102030405060708090

Time (Seconds)

Preheat Time

100

110

120

130

140

150

Dwell Time

160

170

Cooling Time

Recommended Process Parameters:

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

180

190

200

210

220

230

240

Recommended Hand-Solder Parameters:

Solder Iron Temperature: 350° C +/- 5°C

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Note: These devices are not recommended for IR or
Convection Reow process.

314/324 Series

324

© 2009 Littelfuse, Inc.

Specications are subject to change without notice.

Please refer to www.littelfuse.com/series/314.html

or /324.html for current information.

Product Characteristics

Axial Lead & Cartridge Fuses

3AB > Fast-Acting > 314/324 Series

Materials

Cap: Nickel–plated Brass
Leads: Tin–plated Copper

Body: Ceramic

Terminal Strength

Solderability

MIL-STD-202G, Method 211A, Test
Condition A

Reference IEC 60127 Second Edition
2003-01 Annex A

Cap1: Brand logo, current and voltage

Product Marking

ratings
Cap2: Series and agency approval
marks

Dimensions

314 000P Series 324 000P Series

6.985 (.275")

6.35 (.25")

31.75

(1.25")

Axial Lead Material: Tin-coated copper

32.72

(1.288")

0.813 (.032") (.125 - 15A)

1.016 (.040") (20 - 40A)

38.1

(1.50") TYP

Operating
Temperature

Thermal Shock

–55ºC to +125ºC

MIL-STD-202G, Method 107G, Test
Condition B (5 cycles, -65°C to +125°C)

Vibration MIL-STD-202G, Method 201 A

MIL-STD-202G, Method 103B, Test

Humidity

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temperature (40°C) for 240 hours)

Salt Spray

MIL- STD-202G, Method 101D, Test
Condition B

Part Numbering System

0314 M X Pxxxx

Series

Amp Code

Refer to Amp Code column of
Electrical Specification Table

Quantity Code

M = 1000

Packaging Code

X = Filler

Lead-free

Packaging

Packaging Option Packaging Specication Quantity

314 Series

Bulk N/A 1000 MX N/A
Bulk N/A 100 )9 N/A

324 Series

Bulk N/A 1000 MX N/A
Bulk N/A 100 )9 N/A

Quantity &

Packaging Code

Taping Width

314/324 Series

© 2009 Littelfuse, Inc.

Specications are subject to change without notice.
Please refer to www.littelfuse.com/series/314.html
or /324.html for current information.

325

314/324 Series