032906

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.

8,5

∅ 0,6

5,08

1,5

max.4

350 mA

0350

125 V

400

140

0.38

25

15

29

•

•

500 mA

0500

125 V

340

170

0.79

30

17

38

•

•

800 mA

0800

125 V

300

240

2.4

60

31

50

•

•

1.00 A

1100

125 V

240

240

3.5

78

40

65

•

•

1.25 A

1125

125 V

200

250

5

100

50

67

•

•

1.50 A

1150

125 V

190

285

8.5

155

78

67

•

•

50A/125VAC

50-60Hz

cosϕ=1.0

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

UBMINIA

UBMINIA

UBMINIA

UBMINIATURE

TURE

TURE

TURE

TURE

USES

USES

USES

USES

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

Dimensions (mm)

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

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

397

Rated

Amp

Voltage

Breaking

Voltage Drop Power Dissipation Melting Integral

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, 125 V

UL 248-14, 125 V

UL 248-14, 125 V

UL 248-14, 125 V

UL 248-14, 125 V, T

, T

, T

, T

, T

lead free

lead free

lead free

lead free

lead free

TTTTTime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

ime-Current Characteristic

Transient Tolerant (T)

Standard

Standard

Standard

Standard

Standard

UL 248-14

CSA C22.2 No. 248.14

Approvals

Approvals

Approvals

Approvals

Approvals

UL Listed

cUL Listed

Features

Features

Features

Features

Features

Surge Proof for telecom applications

Reduced PCB space requirements

Direct solderable or plug-in versions

Low internal resistance

Shocksafe casing

Vibration resistant

Halogen free

Rated Current

2.0 x I

N

5.7 x I

N

17 x I

N

350mA ... 1.50 A

< 60 s

80 ms ... 2 s

< 200 ms

Specifications

Specifications

Specifications

Specifications

Specifications

Packaging

Packaging

Packaging

Packaging

Packaging

000: Tape/Ammopack (1400 pcs.)

044: Short Leads - Bulk (1400 pcs.)

Materials

Materials

Materials

Materials

Materials

Base/Cap:

Brown Thermoplastic

Polyamide PA 6.6, UL 94 V0

Round Pins: Copper, Sn plated

Operating T

Operating T

Operating T

Operating T

Operating Temperature

emperature

emperature

emperature

emperature

-40 ºC to +85 ºC (consider de-rating)

Climatic Category

Climatic Category

Climatic Category

Climatic Category

Climatic Category

-40 ºC/+85 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, ≤ 3 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

Unit Weight

Unit Weight

Unit Weight

Unit Weight

Unit Weight

0.60 g (approx.)

No.

No.

No.

No.

No. 397 /

397 /

397 /

397 /

CP

CP

CP

CP

Long Leads (L=18.8 mm)

Short Leads (L=4.3 mm)

Minimum pulse load quantity is 2 pulses at a test generator output of 800 V and 10x560 μs waveform.

ITU-T K.20:

Minimum pulse load quantity is 30 pulses at a test generator output of 1000 V, 67 A and 10x700 μs waveform.

Bellcore GR-1089: Minimum pulse load quantity is 50 pulses at a test generator output of 1000 V and 10x1000 μs.

Specifications are subject

to change without notice