0312.062MXP 查看數據表（PDF） - Littelfuse, Inc

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0312.062MXP

Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series

Littelfuse, Inc 

Axial Lead & Cartridge Fuses

3AG > Fast Acting > 312/318 Series

Temperature Re-rating Curve

Average Time Current Curves

1000

100

10

1

Note:

Rerating depicted in this curve is in addition to the industry practice derating

of 25% for continuous operation.

Soldering Parameters - Wave Soldering

300

280

260

240

220

200

180

160

140

120

100

80

60

40

20

0

Time (Seconds)

Preheat Time

Dwell Time

Cooling Time

0.1

0.01

0.005 0.01

0.1

1

10

100

CURRENT IN AMPERES

Please contact Littelfuse for more details on those T-C Curves of other ampere

ratings which are not published.

Recommended Process Parameters:

Wave Parameter

Preheat:

(Depends on Flux Activation Temperature)

Temperature Minimum:

Temperature Maximum:

Preheat Time:

Lead-Free Recommendation

(Typical Industry Recommendation)

100°C

150°C

60-180 seconds

Solder Pot Temperature:

Solder Dwell Time:

260°C Maximum

2-5 seconds

Recommended Hand-Solder Parameters:

Solder Iron Temperature: 350°C +/- 5°C

Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or

Convection Reflow process.

© 2017 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 03/22/17

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