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R452002.MRL

更新时间： 2024-11-02 13:12:51

品牌	Logo	应用领域
力特 - LITTELFUSE		电熔丝电路保护
页数	文件大小	规格书
1页	112K
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R452002.MRL 数据手册

Surface Mount Fuses

Subminiature Surface Mount

NANO^2®Slo-Blo^®Fuse 452/454 Series

The NANO²Slo-Blo fuse has enhanced inrush withstand characteristics

over the NANO²Fast-Acting fuse. The unique time delay feature of this

fuse design helps solve the problem of nuisance “opening” by accommo-

dating inrush currents that normally cause a fast-acting fuse to open.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Opening

Time

100%

200%

4 hours, Minimum

1 second, Min.; 60 seconds, Max.

300%

800%

0.2 seconds, Min.; 3 seconds, Max.

0.02 seconds, Min.; 0.1 seconds, Max.

AGENCY APPROVALS: Recognized under the Components Program

of Underwriters Laboratories and Certified by CSA.

AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.

INTERRUPTING RATINGS:

6.86

(.270")

6.10

(.240")

3.15

(.124")

50 amperes at 125 VAC/VDC

1 A

ENVIRONMENTAL SPECIFICATIONS:

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

Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for

6 milliseconds).

Vibration: MIL-STD-202, Method 201 (10–55 Hz, .06 in. total excursion).

Salt Spray: MIL-STD-202, Method 101, Test Condition B (48 hrs.).

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

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

Resistance to Soldering Heat: MIL-STD-202, Method 210,

(3 sec. at 260°C).

1.45

(.057")

2.95

(.116")

1.96

(.077")

2.69

(.106")

Recommended pad layout

2.69

(.106")

Average Time Current Curves

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).

1000

PHYSICAL SPECIFICATIONS:

Materials: Body: Ceramic

Terminations: Tin-Lead Alloy or Silver

Plated Brass Caps.

Soldering Parameters:

Wave Solder — 260°C, 3 seconds maximum

Reflow Solder — 230°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; 5,000 piece reel also available.

Marking: The 452/454 series Slo-Blo fuse marking includes the letter

“T” to designate time delay characteristics.

100

PATENTED

ORDERING INFORMATION:

Tin-Lead

Plated

Silver

Nominal

Plated Ampere Voltage Resistance Melting I²t

Catalog # Catalog # Rating

Rating Cold Ohms

A²Sec.

0.1

R452.375 0454.375

R452.500 0454.500

R452.750 0454.750

3/8

1/2

3/4

125

1.20

0.700

0.360

0.101

0.240

0.904

R452 001. 0454 001.

R452 01.5 0454 01.5

125

0.225

0.0930

1.98

3.65

1 /

R452 002. 0454 002.

R452 02.5 0454 02.5

125

0.0625

0.0450

8.20

15.0

0.01

2 /

0.1

100

1000

R452 003. 0454 003.

R452 03.5 0454 03.5

125

0.0340

0.0224

20.16

26.53

CURRENT IN AMPERES

3 /

R452 004. 0454 004.

R452 005. 0454 005.

125

0.0186

0.0136

34.40

53.72

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

269

www. littelfuse. com

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与R452002.MRL相关器件

型号	品牌	获取价格	描述	数据表
R452002.NR	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 2A, 125VAC, 125VDC, 50A (IR), Surface Mount
R452003	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 3A, 125VAC, 125VDC, 50A (IR), Surface Mount
R452003.	LITTELFUSE	获取价格	NANO2 SIO-BIO Fuse 452/454 Series
R452003.MR	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 3A, 125VAC, 125VDC, 50A (IR), Surface Mount
R452003.MRL	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 3A, 125VAC, 125VDC, 50A (IR), Surface Mount, ROHS COMPLIANT
R452004	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 4A, 125VAC, 125VDC, 50A (IR), Surface Mount, NANO,
R452004.	LITTELFUSE	获取价格	NANO2 SIO-BIO Fuse 452/454 Series
R452004.MR	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 4A, 125VAC, 125VDC, 50A (IR), Surface Mount
R452004.MRL	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 4A, 125VAC, 125VDC, 50A (IR), Surface Mount, ROHS COMPLIANT
R452004.NR	LITTELFUSE	获取价格	Electric Fuse, Slow Blow, 4A, 125VAC, 125VDC, 50A (IR), Surface Mount

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