Littelfuse 398 User Manual

Radial Lead Fuses

TE5® > Medium Time-Lag > 398 Series

398 Series, TE5® Modul Protector® Fuse

Description

The 398 Series are TE5® short circuit protector, medium
time-Lag type, 65V rated fuses.

Features

• ReducedPCBspace

requirements

• Highlydenedcut-off

times

• Lowinternalresistance

• Flameresistant

encapsulated casing

• Availablefrom125mA
to 4A

• Halogenfree

• Irreversiblephysical

Agency Approvals

Agency Agency File Number Ampere Range

E67006 125mA - 4A

Additional Information

Datasheet

Resources

Samples

separation

Applications

• Microprocessorprotection

Electrical Characteristics

% of Ampere

Rating

300 10 Seconds, Max.

Opening Time

Electrical Characteristics

Cold

Amp Code

0125 125mA MP13 65V
0250 250mA MP25 65V 355 50 0.045 x

0315 315mA MP32 65V 260 60 0.081 x
0400 400mA MP40 65V 186 75 0.18 x
0500 500mA MP50 65V 155 90 0.2 x

0630 630mA MP63 65V 11 5 120 0.37 x
0800 800mA MP80 65V 85 140 0.64 x

110 0 1.00A MP100 65V 65 170 1.1 x

112 5 1.25A MP125 65V 48 210 2.3 x

116 0 1.60A MP160 65V 34 320 4.5 x

1200 2.00A MP200 65V 26 425 7. 8 x

1250 2.50A MP250 65V 21 550 13 x

1315 3.15A MP315 65V 16 650 23 x

1400 4.00A MP400 65V 12 1000 40 x

* Physical Marking on top of the device
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.

Rated

Current

Marking

Code*

Voltage

Rating

Breaking Capacity

50A / 65 VAC/DC

50-60 Hz cosϕ=1.0

Resistance

0.1×I

typ.

N

(m)

900 50 0.0093 x

Power

Disspation

1.0×I

max.

N

(mW)

Melting
Integral

10×I

typ.

N

2

(A

s)

Agency

Approvals

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

Radial Lead Fuses

CURRENT IN AMPERES

100000

125A

250A

315A

400A

500A

630A0.800A

300

240

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

08

TE5® > Medium Time-Lag > 398 Series

Temperature Rerating Curve

140

120

100

80

60

40

PERCENT OF RATING

20

0

-40-20 020406

23°C

AMBIENTTEMPERATURE (°C)

Average Time Current Curves

0.

0.

1.25A

1.60A

2.50A

0.

0.

0.

1.00A

0.

10000

1000

100

0

10

TIME IN SECONDS

1

0.100

0.010

0.001
1 10 100 10000.20

4.00A

2.00A

3.15A

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

Recommended Hand-Solder Parameters:

230

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

Dwell Time

Cooling Time

Heating Time: 5 seconds max.

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

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13