Thermal Derating Chart

Model

Ambient Operation Temperature - I

-40 °C

-20 °C

0 °C

23 °C

40 °C

50 °C

60 °C

70 °C

85 °C

VTD170

3.20

2.70

2.20

1.70

1.30

1.00

0.80

0.50

0.10

VTD170XS

3.20

2.70

2.20

1.70

1.30

1.00

0.80

0.50

0.10

VTD175

3.20

2.70

2.20

1.75

1.30

1.00

0.80

0.50

0.10

VTD175S

3.20

2.70

2.20

1.75

1.30

1.00

0.80

0.50

0.10

VTD175L

3.20

2.70

2.20

1.75

1.30

1.00

0.80

0.50

0.10

VTD175XL

3.20

2.70

2.20

1.75

1.30

1.00

0.80

0.50

0.10

VTD200

3.70

3.20

2.60

2.00

1.50

1.20

0.90

0.50

0.10

VTD200S

3.70

3.20

2.60

2.00

1.50

1.20

0.90

0.50

0.10

VTD210

4.10

3.50

2.90

2.10

1.60

1.30

1.00

0.70

0.10

VTD210S

4.10

3.50

2.90

2.10

1.60

1.30

1.00

0.70

0.10

VTD210SS

4.10

3.50

2.90

2.10

1.60

1.30

1.00

0.70

0.10

VTD210L

4.10

3.50

2.90

2.10

1.60

1.30

1.00

0.70

0.10

VTD210LS

4.10

3.50

2.90

2.10

1.60

1.30

1.00

0.70

0.10

VTD240

4.40

3.70

3.10

2.40

1.80

1.50

1.20

0.90

0.10

A: VTD170

B: VTD210

1.00

10.00

100.00

Fault Current (A)

0.01

0.10

1.00

10.00

100.00

A B

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technical expertise and application leadership, we proudly introduce the

WICKMANN Group and its products to the Littelfuse portfolio.

041006

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VTD

Further Time-Current-Curves on request