97

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

157 Series

Please refer to www.littelfuse.com/series/157.html for current information.

Materials

Body: Ceramic

Cap: For 0.062A ~ 0.125A – Au plated Brass

For 0.200A ~ 10A – Silver plated Brass

Clip Plating:

Product

Marking

Body: Brand Logo, Current Rating

Clip Retention

Force applied at fuse center, perpendicular to

Solderability

Humidity Test

1000 hours

Resistance to

Solvents

Product Characteristics

Operating

Temperature

-55ºC to 125ºC with proper derating

Thermal Shock

Test Condition B

(5 cycles -65ºC to +125ºC)

Vibration

(10-55 Hz)

Moisture Resistance

10 cycles

Salt Spray/

Atmosphere

Test Condition B (48 hrs.),

5% NaCl in De-ionized Water

Shock

Test Condition I (100 G’s peak for 6

milliseconds)

Dimensions

6.10

[0.240]

1.45

[0.057]

2.69

[0.106]

2.69

[0.106]

3.7 ± 0.13

[0.146]

L

1A

F

6.50 ± 0.20

[0.256]

7.26

[0.29]

3.00

[0.12]

2.46

[0.10]

2.40

[0.09]

3.70

[0.146]

3.40

[0.134]

3.90 ± 0.13

[0.154]

2.50 ± 0.2

[0.098]

"A"

"B"

0.10

Packaging

Packaging Option

Packaging Specification

Quantity

Quantity &

Packaging Code

Tape and Reel

1500

DR

Part Numbering System

PCB Recommendation for Thermal Management

0157 001. D R

SERIES

AMP CODE

QUANTITY CODE

PACKING OPTION

D = 1500 pcs

R = Tape and Reel

Note:

Alternate methods of thermal management may be used. In such cases, under normal

operations, the maximum temperature of the fuse body should not exceed 80ºC in a 25ºC

ambient environment.