R451.125NR [LITTELFUSE]

Electric Fuse, CHIP;


型号：	R451.125NR
厂家：	LITTELFUSE
描述：	Electric Fuse, CHIP 电路保护
文件：	总1页 (文件大小：103K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Surface Mount Fuses

Subminiature Surface Mount

NANO^2®FUSE Very Fast-Acting 451/453 Series

The Nano²SMF Fuse is a very small, square surface mount fuse that is

also available in a surface mount holder.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Ampere

Rating

Opening

Time

100%

1/16–15

4 hours, Minimum

1/16–10

12–15

5 seconds, Maximum

20 seconds, Maximum

200%

AGENCY APPROVALS: Recognized under the Components Program

of Underwriters Laboratories and Certified by CSA. Approved by METI

from 1 through 5 amperes.

AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.

6.10

(.240")

2.69

(.106")

6.86

(.270")

INTERRUPTING RATINGS:

1/16 – 8A 50 amperes at 125 VAC/VDC

300 amperes at 32 VDC

3.15

(.124")

2.69

(.106")

10A

35 amperes at 125 VAC/50 amperes at 125 VDC

300 amperes at 32 VDC

7 A

12A – 15A 50 amperes at 65 VAC/VDC

2.95

(.116")

1.45

(.057")

300 amperes at 24 VDC

1.96

(.077")

ENVIRONMENTAL SPECIFICATIONS:

Recommended pad layout

Operating Temperature: –55°C to 125°C.

Shock: MIL-STD-202, Method 213, Test Condition I

(100 G’s peak for 6 milliseconds).

Average Time Current Curves

Vibration: MIL-STD-202, Method 201 (10–55 Hz).

Salt Spray: MIL-STD-202, Method 101, Test Condition B.

Insulation Resistance (After Opening): MIL-STD-202, Method

302, Test Condition A, (10,000 ohms minimum).

100

Resistance to Soldering Heat: MIL-STD-202,

Method 210, Test Condition B (10 sec. at 260°C).

Thermal Shock: MIL-STD-202, Method 107,

Test Condition B (–65 to 125°C).

Moisture Resistance: MIL-STD-202, Method 106, High Humidity

(90-98 RH), Heat (65°C).

Tin-Lead

Plated

Silver

Nominal

Plated

Ampere Voltage Resistance Melting I²t

Catalog # Catalog # Rating

Rating Cold Ohms

A²Sec.

–

R451.062

R451.080

R451.100

R451.125

0453.160

0453.200

0453.250

0453.315

0453.375

0453.400

0453.500

0453.630

0453.750

0453.800

0.062

0.080

0.100

0.125

0.160

0.200

0.250

0.315

0.375

0.400

0.500

0.630

0.750

0.800

1.0

125

5.50

0.00019

0.00033

0.00138

0.00286

0.00306

0.00652

0.01126

0.0231

0.0425

0.0484

0.0795

0.143

–

4.05

0.1

–

3.10

–

1.70

R451.160

R451.200

R451.250

R451.315

R451.375

R451.400

R451.500

R451.630

R451.750

R451.800

1.80

1.40

1.05

0.78

0.01

0.001

0.610

0.560

0.420

0.305

0.245

0.212

0.153

0.0780

0.0630

0.0580

0.0367

0.0286

0.0227

0.0215

0.0200

0.0160

0.0125

0.0096

0.0090

0.0077

0.0056

0.0049

0.0037

0.185

0.271

R451 001. 0453 001.

R451 1.25 0453 1.25

R451 01.5 0453 01.5

R451 01.6 0453 01.6

R451 002. 0453 002.

R451 02.5 0453 02.5

R451 003. 0453 003.

R451 3.15 0453 3.15

R451 03.5 0453 03.5

R451 004. 0453 004.

R451 005. 0453 005.

R451 06.3 0453 06.3

R451 007. 0453 007.

R451 008. 0453 008.

R451 010. 0453 010.

R451 012. 0453 012.

R451 015. 0453 015.

0.459

0.05 0.1

CURRENT IN AMPERES

100

1000

1.25

1.5

0.664

0.853

1.6

1.060

PHYSICAL SPECIFICATIONS:

Materials: Body: Ceramic

Terminations: Tin-Lead Alloy or Silver Plated Caps.

Soldering Parameters:

Wave Solder — 260°C, 10 seconds maximum

Reflow Solder — 260°C, 30 seconds maximum

Solderability: MIL-STD-202, Method 208.

PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIA-

RS481-1 (IEC 286, part 3); 1,000 per reel, add packaging suffix, MR;

5,000 per reel, add packaging suffix NR.

2.0

0.530

2.5

1.029

3.0

1.650

3.15

3.5

1.920

2.469

3.152

5.566

6.3

9.17

10.32

20.23

26.46

47.97

97.82

Refer to pg. 271 for SMF Omni-Blok^®Holder, Series 154 000.

PATENTED

268

www. littelfuse. com

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