Littelfuse.com/SPF

© 2021 Littelfuse, Inc.

Rev: 113021

6 of 6

SPF SERIES SOLAR FUSES

1000

900

800

700

600

500

400

1000

900

800

700

600

500

400

300

200

100

90

80

70

60

50

300

200

100

90

80

70

60

50

50

40

30

20

109

8

7

50

40

30

20

10

9

8

7

7

6

5

4

3

2

1

7

6

5

4

3

2

1

- 25A

- 30A

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

10.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0 02

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0 02

0.02

0.01

0.02

0.01

CURRENT IN AMPERES

TEST VOLTAGE:

1000V

TIME CONSTANT/POWER FACTOR:

FUSE CATALOG NUMBER:

BASIS FOR DATA:

DRAWN BY:

DATE:

REVISION:

DRAWING NO.:

SHEET

TIME CURRENT CHARACTERISTIC CURVES

LITTELFUSE, INC.

CHICAGO, IL. USA

LLL

3/15/10

E

4 OF 4

FCC01-SPF

SPF 1A - 30A

- THIS DATA GENERATED IN EXCEL -

Time Current Curve (25–30 A)

Disclaimer Notice - Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining

or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal

injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any

purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by

Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse.

Littelfuse.com/Product-Disclaimer