Datasheet 235 Datasheet (Littelfuse)

Axial Lead & Cartridge Fuses

5×20 mm > Fast-Acting > 235 Series

235 Series, 5×20 mm, Fast-Acting Fuse

PS

E

Description

5×20mm fast-acting glass body cartridge fuse designed to
UL specification.

Features

Agency Approvals

Agency Agency File Number Ampere Range

Cartridge Certificates:
NBK290502-E10480 G

PS

E

NBK290502-E10480 I
Leaded Certificates:
NBK290502-E10480 H
NBK290502-E10480 J

Certificates:
SU05001 – 3007
SU05001 – 2002
SU05001 – 2003

Listed File:
E10480
Guide No:
JDYX

File No:
029862
Certificate Class No:
LR1422-01

1A – 5A

6A & 7A

1A – 5A

6A & 7A

100mA – 400mA

500mA – 3A

4A – 6A

100mA - 7A

100mA – 3A

4A – 6A

100mA – 7A

• DesignedtoUL/CSA/

ANCE 248 Standard

• 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.

Electrical Characteristics for Series

% of Ampere

Rating

100%

135% 1 hour, Maximum

200% 5 seconds, Maximum

Ampere Rating Opening Time

4 hours, Minimum

100mA – 7A

Additional Information

Datasheet

Resources

Samples

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

Axial Lead & Cartridge Fuses

100

10

1

0.1

0.1 110100 1000

0.01

1000

10000

TIME IN SECONDS

CURRENT IN AMPERES

0.100A

0.125A

0.200A

0.250A

0.300A

0.400A

0.500A

0.600A

0.700A

0.800A1A1.25A

1.6A2A2.5A

3A4A5A

6A

5×20 mm > Fast-Acting > 235 Series

Electrical Characteristic Specifications by Item

Amp Code

Amp Rating

(A)

.10 0 0.1 250

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal

Melting

2

t

I

(A2 sec)

8.4000 0.00312 x x x x

Agency Approvals

.125 0.125 250 5.7500 0.00273 x x x x
.200 0.2 250 3.1500 0.00867 x x x x
.250 0.25 250 2.2500 0.01660 x x x x
.300 0.3 250 1.6000 0.03215 x x x x
.400 0.4 250 1.750 0.05845 x x x x

35A@250Vac,

10000A@125Vac

.500 0.5 250 0.4265 0.06915 x x x x
.600 0.6 250 0.3195 0.11200 x x x x
.700 0.7 250 0.2625 0.15600 x x x x
.800 0.8 250 0.1920 0.25300 x x x x

0 01. 1 250

0.1530 0.46750 x x x x x

1.25 1.25 250 0.1055 1.08500 x x x x x

01. 6 1. 6 250 0.0758 2.02500 x x x x x

002. 2 250 0.0603 2.64500 x x x x x

100A@250Vac,

10000A@125Vac

02.5 2.5 250 0.0437 5.44500 x x x x x

003. 3 250 0.0347 8.39500 x x x x x

03.5 3.5 250 0.0331 17.14000 x x x

004. 4 125

005. 5 125 0.0184 27.41000 x x x x x

006. 6 125 0.0148 47.32500 x x x x x

10000@125Vac

0.0246 17.14000 x x x x x

007. 7 125 0.0157 64.81500 x x x

PS

E

Temperature Rerating Curve

Average Time Current Curves

Please contact Littelfuse for details on T-C curve for 7A rating

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

300

240

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

5×20 mm > Fast-Acting > 235 Series

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

130

140

150

160

170

Dwell Time

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

Recommended Hand-Solder Parameters:

180

190

200

210

220

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.

Product Characteristics

Materials

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

Body: Glass

Terminal Strength

Solderability

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

Reference IEC 60127 Second Edition
2003-01 Annex A

Cap 1: Brand logo, current and voltage

Product Marking

rating

Cap 2: Series and agency approval

markings

Packaging

Available in Bulk (M=1000 pcs/pkg) or on
Tape/Reel (MRET1=1000 pcs/reel)

Operating Temperature –55ºC to +125ºC

Thermal Shock

MIL-STD-202G, Method 107G, Test
Condition B: (5 cycles –65

O

125OC)

Vibration MIL-STD-202G, Method 201A

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

Humidity

Salt Spray

Condition A high RH (95%) and
elevated temperature (40
hours

O

C) for 240

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

C +

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

Axial Lead & Cartridge Fuses

0235.

6.0 MAX

5.8 MAX

ø0.8 mm dia lead

0235 MX E Pxxxx

5×20 mm > Fast-Acting > 235 Series

Dimensions

0235000P

100 XEP

to

0235.400 XEP

0235.500 XEP
to

0235006.XEP

Notes:
* Ratings above 6.3A

40

0.65

40

0.65*

5.1+0.6

20+0.5

5.1+0.6

22.5 MAX

22.5 MAX

5.2+0.1

-0.2

All dimensions in mm

Part Numbering System

Series

Amp Code

Refer to Amp Code column of
Electrical Characteristics Table

quantity Code

M = 1000

Packaging Code

X = Filler

Option Code

E = Axial Leaded

Lead-free

Packaging

Packaging Option Packaging Specification Quantity

235 Series

Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXE N/A

Reel and Tape EIA 296-E 1000 MRET1 T1=53mm (2.087”)

Quantity &

Packaging Code

Taping Width

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13