Datasheet > 431.750

431.750

更新时间： 2024-09-14 14:56:27

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
1页	108K
描述
本产品已淘汰。请在新设计中使用434或467系列产品。

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数据手册

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431.750 数据手册

Surface Mount Fuses

Thin-Film Surface Mount

0603 Very Fast-Acting Fuse 431 Series

• For new designs please use the 434 or 467 Series products.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Opening

Time at 25°C

100%

200%

300%

4 hours, Minimum

5 seconds, Maximum

0.2 seconds, Maximum

AGENCY APPROVALS: Recognized under the Components

Program of Underwriters Laboratories and Certified by CSA.

AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.

Reference Dimensions:

INTERRUPTING RATINGS:

1.60 (.063")

.25–1A

1–5A

50 amperes at 32 VAC/VDC

35 amperes at 32 VAC/VDC

.79

(.031")

ENVIRONMENTAL SPECIFICATIONS:

2.54

1.02 (.040")

Operating Temperature: –55°C to 90°C. Consult temperature

rerating chart on page 4. For operation above 90°C contact Littelfuse.

(.100")

R .20 (.008")

.76 (.030")

1.04

(.041")

Vibration: Withstands 10-55 HZ per MIL-STD-202F, Method 201A

and 10-2000 HZ at 20 G’s per MIL-STD-202F, Method 204D, Condition D.

1.09 (.043")

.43 (.017") REF.

REFLOW SOLDER

Insulation Resistance (After Opening):

Greater than 500,000 ohms.

.46 (.018")

Resistance To Soldering Heat: Withstands 60 seconds above

200°C up to 260°C, maximum.

.36 (.014")

Thermal Shock: Withstands 5 cycles of –50°C to 125°C.

PHYSICAL SPECIFICATIONS:

Average Time Current Curves

Materials: Body: Epoxy Substrate

Terminations: Copper/Nickel/Tin-Lead (95/5)

Cover Coat: Conformal Coating

100

Soldering Parameters:

Reflow Solder— 260°C, 30 seconds maximum

PACKAGING SPECIFICATIONS: 8mm Tape and Reel per

EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR.

PATENTED

ORDERING INFORMATION:

For New Designs Use 434 or 467 Series.

Nominal

Catalog

Number

Ampere

Rating

Voltage

Rating

Resistance

Melting I²t

(A²Sec.)

Cold Ohm¹

431.250

431.375

431.500

431.750

431 001

431 01.5

431 002

431 02.5

431 003

431 03.5

431 004

431 005

0.25

0.375

0.5

0.75

1.5

2.5

3.5

0.375

0.265

0.193

0.114

0.072

0.048

0.036

0.028

0.023

0.019

0.017

0.013

0.0030

0.0053

0.0087

0.0171

0.0210

0.0526

0.104

0.175

0.198

0.265

0.352

0.1

0.01

1.600

¹Measured at 10% of rated current, 25°C.

0.001

0.1

CURRENT IN AMPERES

100

369

www. littelfuse. com

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