R45203.5 Littelfuse, Inc., R45203.5 Datasheet

R45203.5

Manufacturer Part Number

R45203.5

Description

Manufacturer

Littelfuse, Inc.

Datasheets

1.R452.375.pdf (1 pages)

2.R452.375.pdf (1 pages)

Specifications of R45203.5

Date_code

05+

Packing_info

1808-3.5A

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

R45203.5

Manufacturer:

OKI

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NANO

The NANO

over the NANO

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:

AGENCY APPROVALS:

of Underwriters Laboratories and Certified by CSA.

AGENCY FILE NUMBERS:

INTERRUPTING RATINGS:

50 amperes at 125 VAC/VDC

ENVIRONMENTAL SPECIFICATIONS:

Operating Temperature:

Shock:

6 milliseconds).

Vibration:

Salt Spray:

Insulation Resistance (After Opening):

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

Resistance to Soldering Heat:

(3 sec. at 260°C).

Thermal Shock:

Test Condition B (–65 to 125°C).

Moisture Resistance:

High Humidity (90-98 RH), Heat (65°C).

PHYSICAL SPECIFICATIONS:

Materials:

Soldering Parameters:

Solderability:

PACKAGING SPECIFICATIONS:

RS481-1 (IEC 286, part 3); 1,000 per reel; 5,000 piece reel also available.

Marking:

“T” to designate time delay characteristics.

PATENTED

ORDERING INFORMATION:

R452.375

R452.500

R452.750

R452 001.

R452 01.5

R452 002.

R452 02.5

R452 003.

R452 03.5

R452 004.

R452 005.

Catalog # Catalog # Rating

Tin-Lead

% of Ampere

Plated

Rating

100%

200%

300%

800%

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

Wave Solder — 260°C, 3 seconds maximum

Reflow Solder — 230°C, 30 seconds maximum

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

Slo-Blo fuse has enhanced inrush withstand characteristics

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

Body: Ceramic

Terminations: Tin-Lead Alloy or Silver

Plated Brass Caps.

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

2®

0454.375

0454.500

0454.750

0454 001.

0454 01.5

0454 002.

0454 02.5

0454 003.

0454 03.5

0454 004.

0454 005.

Plated

Silver

Fast-Acting fuse. The unique time delay feature of this

MIL-STD-202, Method 208.

Slo-Blo

MIL-STD-202, Method 107,

4 hours, Minimum

1 second, Min.; 60 seconds, Max.

0.2 seconds, Min.; 3 seconds, Max.

0.02 seconds, Min.; 0.1 seconds, Max.

Ampere Voltage

MIL-STD-202, Method 106,

Recognized under the Components Program

3/8

1/2

3/4

–55°C to 125°C.

Fuse 452/454 Series

UL E10480, CSA LR 29862.

MIL-STD-202, Method 210,

Rating

12mm Tape and Reel per EIA-

125

Opening

Time

MIL-STD-202,

Resistance Melting I

Cold Ohms

Nominal

1.20

0.700

0.360

0.225

0.0930

0.0625

0.0450

0.0340

0.0224

0.0186

0.0136

w w w . l i t t e l f u s e . c o m

Nominal

15.0

20.16

26.53

34.40

53.72

0.101

0.240

0.904

1.98

3.65

8.20

Sec.

Refer to pg. 271 for SMF Omni-Blok

Average Time Current Curves

1000

0.01

100

0.1

Recommended pad layout

(.077")

1.96

(.270")

(.124")

(.116")

6.86

3.15

2.95

Surface Mount Fuses

CURRENT IN AMPERES

Subminiature Surface Mount

Holder, Series 154 000T.

(.057")

1.45

(.240")

100

1 A

6.10

(.106")

2.69

(.106")

269

2.69

1000

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