Littelfuse 224 User Manual

Axial Lead & Cartridge Fuses

®

2AG > Fast Acting > 224/225 Series

224/225 Series Lead-Free 2AG, Fast-Acting

PS

E

Description

The 2AG Fast-Acting Fuses are available in cartridge
form or with axial leads. 2AG Fuses provide the same
performance characteristics as their 3AG counterpart, while
occupying one-third the space. Sleeved fuses are available.

Features

Agency Approvals

Agency Agency File Number Ampere Range

E10480 375mA - 3.5A

E10480 4A - 10A

LR 29862 375mA - 10A

PS

E

NBK200405-E10480A/B/C/D
NBK110512-E10480A/B

1A - 3.5A
4A - 5A

375mA - 10A

• Inaccordance

with underwriter’s
Laboratories Standard
UL 248-14

• Availableincartridge

and axial lead form and

Applications

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

with various forming
dimensions

• RoHScompliantand

Lead-free

Electrical Characteristic Specifications by Item

Amp
Code

.375 0.375 250
.500 0.5 250 0.2650 0.365 x x x
.750 0.75 250 0.1520 1.050 x x x

0 01. 1 250 0.1027 2.220 x x x x

01. 5 1. 5 250 0.0712 0.800 x x x x

002. 2 250

02.5 2.5 250 0.0372 2.680 x x x x

003. 3 250 0.0317 4.620 x x x x

03.5 3.5 250 0.0265 6.700 x x x x

004. 4 125

005. 5 125 0.0186 1 7.0 x x x x

005. 5 250 0.0186 1 7.0 x x x

006. 6 125
0 0 7. 7 125 0.0130 40.0 x x x x

008. 8 125 0.0107 56.0 x x x x

010. 10 125 0.0075 116.0 x x x x

* 10A with 500A @ 125 Vdc internal breaking capacity testing.

Ampere

Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

35A@250Vac
10KA@125Vac
10KA@125Vdc

100A@250Vac
10KA@125Vac
10KA@125Vdc

100A@250Vac
500A@125Vac

500A@125Vac

Nominal

Cold

Resistance

(Ohms)

0.3950 0.171 x x x

0.0497 1.500 x x x x

0.0240 9.400 x x x x

0.0154 22.1 x x x x

Nominal

Melting

2

t (A2 sec)

I

Agency Approvals

PS

E

Electrical Characteristics for Series

% of Ampere

Rating

100% 4 hours, Minimum

135% 1 hour, Maximum
200% 1 sec., Maximum

Opening Time

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

100

10

1

0.1

0.01

0.001

0.1 110 100 1000

.375A

.500A

.750A

1.00A

1.50A

2.00A

2.50A3A4A5A6A7A8A

10A

TIME IN SECONDS

CURRENT IN AMPERES

300

240

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

2AG > Fast Acting > 224/225 Series

Temperature Rerating Curve

Average Time Current Curves

Soldering Parameters - Wave Soldering

280

260

240

220

200

180

160

140

120

100

80

60

40

20

0

0

102030405060708090

Time (Seconds)

Preheat Time

100

110

120

Dwell 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

130

140

150

160

170

180

190

200

210

220

Cooling Time

Recommended Hand-Solder Parameters:

230

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