Introduction to Circuit Protection

Introduction to Circuit Protection

Transientology

86

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

461 Series

Fuse

Please refer to www.littelfuse.com/series/461.html for current information.

Electrical Specifications by Item

Ampere

Rating

(A)

Amp Code

Max

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance (Ohms)

Nominal Melting

Agency Approvals

GR 1089 Inter-building requirements

GR 1089 1st level lighting surge inter-building

(Equipment under test can not be damaged and must

continue to operate properly)

Surge

Minimum

Peak

Voltage

(V)

Minimum

Peak

Current

(A)

Max.

Rise/Min.

Decay

(μs)

Repetitions

Each

Polarity

Fuse

Choices

4

GR 1089 2nd level lightning surge telecom port

(Equipment under test shall not become a fire or

electrical safety hazard)

Surge

Minimum

Peak

Voltage

(V)

Minimum

Peak

Current (A)

Max.

Rise/Min.

Decay

(μs)

Repe-

titions

Each

Polarity

Fuse

Choices

Average Time Current Curves

1000

100

10

1

0.1

0.001

0.01

0.1

1

10

100

CURRENT IN AMPERES

Temperature Rerating Curve