Littelfuse 208 User Manual

Axial Lead & Cartridge Fuses

2AG > Fast-Acting > 208 Series

208 Series Lead-Free 2AG, Fast-Acting Fuse

PS

E

Description

Littelfuse 208 Series (2AG) 350V Fast-Acting Fuses are
available in cartridge form or with axial leads. This series
provides the same performance characteristics as its 3AG
counterpart, while occupying one-third the space. Sleeved
fuses are available.

Features

Agency Approvals

Agency Agency File Number Ampere Range

E10480 375mA - 10A

PS

E

NBK200405-E10480 A/B/C/D

NBK110512-E10480 A/B

1A - 3.5A

4A - 5A

375mA - 10A

Additional Information

Datasheet

Resources

Samples

Electrical Characteristic Specifications by Item

Amp Code Amp Rating

Voltage

Rating

Interrupting

Rating

• Inaccordance

• Availableincartridgeand

Applications

• Electricalballastsusedinuorescentlightingandother

Electrical Characteristics for Series

Nominal Cold

Resistance

(Ohms)

with Underwriter’s
Laboratories Standard
UL 248-14

dimensions

• RoHScompliantand

Lead-free

axial lead form and with

applications

various lead forming

% of Ampere

Rating

100% 4 Hours, Min.

135% 1 Hour, Max.
200% 1 Second, Max.

Nominal

Melting

2

t (A2 sec)

I

Opening Time

Agency Approvals

PS

E

.375 0.375 350
.500 0.500 350 0.265 0.365 x x
.750 0.750 350 0.152 1.050 x x
0 01. 1. 0 350 0.103 2.220 x x x

01. 5 1.5 350 0.0712 0.800 x x x

002. 2.0 350 0.0497 1.50 x x x

02.5 2.5 350 0.0372 2.68 x x x

003. 3.0 350 0.0317 4.62 x x x

03.5 3.5 350 0.0265 6.70 x x x

004. 4 350 0.0240 9.40 x x x

005. 5 350 0.0186 1 7. 0 0 x x x

006. 6 350 0.0154 22.10 x x x
0 0 7. 7 350 0.0130 40 x x x

008. 8 350 0.0107 56 x x x

010. 10 350 0.0075 116 x x x

100A @

350V AC

0.395 0.171 x x

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

0.0
000

1 1/2A2A2 1/2A

300

240

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

2AG > Fast-Acting > 208 Series

Temperature Rerating Curve

Average Time Current Curves

3/8A

1/2A

3/4A

1A

100

10

1

TIME IN SECONDS

0.1

0.01

01

0.1 110100 1

3A4A5A6A7A8A10A

CURRENT IN AMPERES

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

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

100

110

120

130

140

150

160

170

180

190

200

210

220

230

Recommended Hand-Solder Parameters:

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

Dwell Time

Cooling Time

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