Datasheet > 03181.75

03181.75

更新时间： 2023-12-06 20:12:08

品牌	Logo	应用领域
力特 - LITTELFUSE		电路保护
页数	文件大小	规格书
5页	1078K
描述
3AG快熔型保险丝可满足? 众多应用要求，同时还可提供? 性能可靠、经济节约的电路保护。功能与特色:

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03181.75 数据手册

Axial Lead & Cartridge Fuses

3AG > Fast Acting > 312/318 Series

Soldering Parameters -Wave Soldering

Recommended Process Parameters:

300

280

260

240

220

200

180

160

140

120

100

Wave Parameter

Lead-Free Recommendation

Preheat:

(Depends on Flux ActivationTemperature)

(Typical Industry Recommendation)

Temperature Minimum:

Temperature Maximum:

PreheatTime:

100°C

150°C

60-180 seconds

260°C Maximum

2-5 seconds

Solder PotTemperature:

Solder DwellTime:

Recommended Hand-Solder Yarameters:

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

Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or Convection Reﬂow process.

Time (Seconds)

Preheat Time

Dwell Time

Cooling Time

Product Characteristics

Body: Glass

Cap: Nickel–plated brass

Leads:Tin–plated Copper

MIL-STD-202, Method 211,

Test Condition A

Operating Temperature –55ºC to +125ºC

Materials

MIL-STD-202, Method 107, Test Condition B: (5

cycles -65°C to +125°C)

Thermal Shock

Vibration

Humidity

MIL-STD-202, Method 201

Terminal Strength

Solderability

MIL-STD-202, Method 103,

Test Condition A: High RH (95%),

and Elevated temperature (40°C) for 240 hours

MIL-STD-202 method 208

Cap1:

Brand logo, current and voltage

ratings

Product Marking

MIL-STD-202, Method 101,

Test Condition B

Cap2:

Series and agency approval

marks

Salt Spray

Dimensions

Part Numbering System

Measurements displayed in millimeters (inches)

0312 xxxx M X P

312 000 Series

(cartridge)

318 000 Series

(axial leaded)

Series

312 = Cartridge

318 = Axial Leaded

6.35 0.3

(.25")

6.985 0.3

(.275")

Amp Code

Refer to Amp Code column of

Electrical Characteristics Table

31.75 1.12

(1.25")

32.72 1.12

(1.288")

0.81 0.05(.032") ꢀor (0.062ꢁ-15ꢁ)

1.02 0.06(.0ꢂ0") ꢀor (20ꢁ-35ꢁ)

ꢁxial Lead Length:

Quantity Code

M = 1000

Standard Length:

ꢁxial Lead Material:

Tin-coated copper

38.1 3.15(1.50") TꢃY.

Packaging Code

= Filler

Short Lead Option:

12.7 2.0(.50") TꢃY.

Lead-free

Speciﬁcations are subject to change without notice.

Revised: GD. 12/14/20

1 2 345

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