MFU datasheet(12/13 Pages) VISHAY

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Document Number: 28747

Revision: 06-May-10

MFU Series

Vishay Beyschlag

Thin Film Chip Fuses

9.4

Endurance test

acc. to

IEC 60127-1

I = 1.0 x IR (DC)

1.0 h on; 0.25 h off;

23 °C; 100 times

I = 1.25 x IR (DC)

1.0 h on

23 °C; 1 time

MFU 0402

≤ 3.15 A

No visible damage

ΔR/R ≤ ± 10 %

MFU 0603

≤ 3.15 A

MFU 0805

≤ 3.15 A

MFU 1206

≤ 3.15 A

9.5

Maximum

sustained

dissipation acc. to

IEC 60127-1

Calculation in accordance with results of clause 9.4 b)

Dissipation

≤ acc. to

IEC 60127-4 table 2

9.7

Fuse-link

temperature

The test is performed

during the final 5 min of

clause 9.4 b)

MFU 0402

≤ 3.15 A

Temperature rise of terminals

≤ 85 K

MFU 0603

≤ 3.15 A

MFU 0805

≤ 3.15 A

MFU 1206

≤ 3.15 A

Verification of

temp.-rise and

current- carrying

capacity acc. to

UL 248-14

clause 8.2.3

I = 1.0 x IR (DC)

MFU 0402

≤ 3.15 A

Temperature rise

of hot spot

≤ 75 K

acc. to

UL 248-14 clause 8.2.4

MFU 0603

≤ 5.0 A

MFU 0805

≤ 5.0 A

MFU 1206

≤ 6.3 A

78 (Cab)

Damp heat,

steady state

(40 ± 2) °C; 56 days;

(93 ± 3) % RH

ΔR/R ≤ ± 10 %

I-t characteristic

14 (Na)

Rapid change

of temperature

30 min at LCT;

30 min at UCT;

LCT = - 55 °C;

UCT = 125 °C;

5 cycles

ΔR/R ≤ ± 10 %

6 (Fc)

Vibration

Endurance by sweeping;

10 Hz to 2000 Hz;

no resonance;

amplitude

≤ 1.5 mm or

≤ 200 m/s2; 6 h

ΔR/R ≤ ± 10 %

45 (XA)

Component

solvent

resistance

Isopropyl alcohol;

50 °C; method 2

No visible damage

45 (XA)

Solvent

resistance

of marking

Isopropyl alcohol;

50 °C; method 1, toothbrush

Marking legible,

no visible damage

21 (Ue3)

Shear

(adhesion)

RR 1608M; 9 N

No visible damage

RR 2012M and RR 3216M; 45 N

Flammability

IEC 60695-2-2,

needle flame test; 10 s

No burning after 30 s

TEST PROCEDURES AND REQUIREMENTS

IEC

60127-4

CLAUSE

IEC

60068-2

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE

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