Littelfuse 157 Series Manual do Utilizador descarregar pdf (Página 3)

Speciﬁcations are subject to change without notice.

Revised: 02/20/14

Surface Mount Fuses

NANO

2®

> 157 Fuse and Holder Combination

Materials

Body: Ceramic

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

For 0.200A ~ 10A – Silver plated Brass

Clip Plating:MatteTin

Product

Marking

Body: Brand Logo, Current Rating

Clip Retention

Force applied at fuse center, perpendicular to

thelongaxis(@0.75lbs.MIN)

Solderability

MIL-STD-202,Method208/IPC/EIA/

JEDECJ-STD002B,TestConditionA

Humidity Test

MIL–STD-202,Method103@85ºC/85%RH,

1000 hours

Resistance to

Solvents

MIL-STD-202,Method215(3solventtypes)

Product Characteristics

Operating

Temperature

-55ºC to 125ºC with proper derating

Thermal Shock

MIL-STD-202,Method107,

Test Condition B

(5 cycles -65ºC to +125ºC)

Vibration

MIL-STD-202,Method201

(10-55 Hz)

Moisture Resistance

MIL-STD-202,Method106,

10 cycles

Salt Spray/

Atmosphere

MIL-STD-202,Method101,

Test Condition B (48 hrs.),

5%NaClinDe-ionizedWater

Shock

MIL-STD-202,Method213,

Test Condition I (100 G’s peak for 6

milliseconds)

Dimensions

6.10

[0.240]

1.45

[0.057]

2.69

[0.1

06]

2.69

[0.106]

3.7 ± 0.13

[0.146]

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

[0.1

34]

3.90 ± 0.1

[0.154]

2.50 ± 0.2

[0.098]

"A"

"B"

0.10

Part Numbering System

PCB Recommendation for Thermal Management

 1.MinimumCopperLayerThickness=100um

 2.MinimumCopperTraceWidth=10mm

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.

Packaging

Option

Packaging

Speciﬁcation

Quantity

Quantity &

Packaging Code

Tape and Reel SurfaceMount 1500 DR

Additional Information

Datasheet

Samples

Resources

1 2 3

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