www.littelfuse.com

In our continuing strategy to deliver unparalleled circuit protection solutions,

technical expertise and application leadership, we proudly introduce the

WICKMANN Group and its products to the Littelfuse portfolio.

032906

Ø 6

Ø 0,6

2,54

50mA

0050

125V

800

40

0.00007

•

•

63mA

0063

125V

780

50

0.00013

•

•

80mA

0080

125V

730

60

0.0002

•

•

100mA

0100

125V

700

70

0.0004

•

•

125mA

0125

125V

650

85

0.0022

•

•

160mA

0160

125V

600

100

0.0029

•

•

200mA

0200

125V

550

110

0.0042

•

•

250mA

0250

125V

500

125

0.0082

•

•

315mA

0315

125V

450

145

0.015

•

•

400mA

0400

125V

400

160

0.025

•

•

500mA

0500

125V

380

190

0.042

•

•

630mA

0630

125V

160

100

0.015

•

•

800mA

0800

125V

155

125

0.025

•

•

1.00A

1100

125V

150

155

0.039

•

•

1.25A

1125

125V

145

185

0.059

•

•

1.60A

1160

125V

140

225

0.11

•

•

2.00A

1200

125V

130

260

0.17

•

•

2.50A

1250

125V

125

315

0.23

•

•

3.15A

1315

125V

120

380

0.45

•

•

4.00A

1400

125V

110

440

1.0

•

•

5.00A

1500

125V

105

525

1.5

•

•

50A / 125 V AC

50-60Hz

cos ϕ = 1.0

50A / 63 V DC

UBMINIA

UBMINIA

UBMINIA

UBMINIATURE

TURE

TURE

TURE

TURE

USES

USES

USES

USES

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

Long Leads (L=18.8mm)

Short Leads (L=4.3mm)

Limits for Pre-arcing Time

Limits for Pre-arcing Time

Limits for Pre-arcing Time

Limits for Pre-arcing Time

Limits for Pre-arcing Time

Permissible continuous operating current is

Permissible continuous operating current is

Permissible continuous operating current is

Permissible continuous operating current is

Permissible continuous operating current is ≤≤≤≤≤ 70

70

70

70

70 % at ambient temperature of 23

% at ambient temperature of 23

% at ambient temperature of 23

% at ambient temperature of 23

% at ambient temperature of 23 ºC (73.4

ºC (73.4

ºC (73.4

ºC (73.4

ºC (73.4 ºF).

ºF).

ºF).

ºF).

ºF).

Holes in PCB

Specifications

Specifications

Specifications

Specifications

Specifications

Packaging

Packaging

Packaging

Packaging

Packaging

000: Tape/Ammopack (1500 pcs.)

013: Long Leads - Bulk (200 pcs.)

042: Short Leads - Bulk (300 pcs.)

Materials

Materials

Materials

Materials

Materials

Base/Cap:

Black Thermoplastic Base

Polyamide PA 6.6, UL 94V0

Brass, nickel-plated Cap

Round Pins: Copper alloy, tin plated

Operating T

Operating T

Operating T

Operating T

Operating Temperature

emperature

emperature

emperature

emperature

-25 ºC to +70 ºC (consider de-rating)

Climatic Category

Climatic Category

Climatic Category

Climatic Category

Climatic Category

-25 ºC/+70 ºC/21 days (EN 60068-1,-2-1,-2-2,-78)

Stock Conditions

Stock Conditions

Stock Conditions

Stock Conditions

Stock Conditions

+10 ºC to +60 ºC

relative humidity ≤ 75 % yearly average,

without dew, maximum value for 30 days-95 %

Vibration Resistance

Vibration Resistance

Vibration Resistance

Vibration Resistance

Vibration Resistance

24 cycles at 15 min. each (EN 60068-6)

10 - 60 Hz at 0.75 mm amplitude

60 - 2000 Hz at 10 g acceleration

Lead Pull Strength

Lead Pull Strength

Lead Pull Strength

Lead Pull Strength

Lead Pull Strength

10 N (EN 60068-2-21)

Solderability

Solderability

Solderability

Solderability

Solderability

260 ºC, ≤ 3 s (Wave)

350 ºC, ≤ 1 s (Soldering Iron)

Soldering Heat Resistance

Soldering Heat Resistance

Soldering Heat Resistance

Soldering Heat Resistance

Soldering Heat Resistance

260 ºC, 10 s (IEC 60068-2-20)

Marking

Marking

Marking

Marking

Marking

, Voltage Rating, Current Rating, Approvals

Unit Weight

Unit Weight

Unit Weight

Unit Weight

Unit Weight

0.40 g (approx.)

Order

Order

Order

Order

Order

Qty.

Qty.

Qty.

Qty.

Qty.

Order-

Order-

Order-

Order-

Order-

Series

Series

Series

Series

Series

Amp Code

Packaging

Amp Code

Packaging

Amp Code

Packaging

Amp Code

Packaging

Amp Code

Packaging

Information

Information

Information

Information

Information

Number

Number

Number

Number

Number

303

Rated

Amp

Voltage

Breaking

Voltage Drop Power Dissipation Melting Integral

Approvals

Current

Code

Rating

Capacity

1.0 x I

N

1.0 x I

N

10 x I

N

max. (mV)

max. (mW)

UL 248-14, 125V

UL 248-14, 125V

UL 248-14, 125V

UL 248-14, 125V

UL 248-14, 125V, F

, F

, F

, F

, F

TTTTTime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

Quick Acting (F)

Standard

Standard

Standard

Standard

Standard

UL 248-14

CSA C22.2 No. 248.14

Approvals

Approvals

Approvals

Approvals

Approvals

UL Listed

CSA Certified

Features

Features

Features

Features

Features

Reduced PCB space requirements

Direct solderable or plug-in versions

Internationally approved

Low internal resistance

Shocksafe casing

Vibration resistant

Rated Current

2.0 x I

N

2.0 x I

N

50 mA ... 5.00 A

< 60 s

< 5 s

N

N

N

N

No.

o.

o.

o.

o. 303 /

303 /

303 /

303 /

303 / TR

TR

TR

TR

TR33333

Specifications are subject

to change without notice

Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.