026303.5WRT1L [LITTELFUSE]

MICRO FUSE Very Fast-Acting Type 262/268/269 Series; 微型保险丝速度非常快的类型262/268/269系列


型号：	026303.5WRT1L
厂家：	LITTELFUSE
描述：	MICRO FUSE Very Fast-Acting Type 262/268/269 Series 微型保险丝速度非常快的类型262/268/269系列
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Axial Lead and Cartridge Fuses

High-Reliability Subminiature

™

QPL

MICRO FUSE Very Fast-Acting Type 262/268/269 Series

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

Ampere

Rating

Opening

Time

100%

1/500–5

1/500–3/10

4/10–5

4 hours, Minimum

5 seconds, Maximum

2 seconds, Maximum

200%

AGENCY APPROVALS: Recognized under the Components Program

of Underwriters Laboratories and Certified by CSA.

FUSES TO MIL SPEC: 262 Series is available in FM07A on QPL for

MIL-PRF-23419/7. To order, change 262 to 269.

262 000 Series

268 000 Series

INTERRUPTING RATING: 10,000 amperes at 125 VAC/VDC

4.32

5.97

(.235")

7.37

(.29")

(.17")

(.29")

25.4

ENVIRONMENTAL SPECIFICATIONS:

(1.0")

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

2.54

(.10")

Shock: (1/500): MIL-STD-202, Method 213, Test Condition A

(50 G’s peak for 11 milliseconds).

2.54 (.10")

(1/200–5): MIL-STD-202, Method 213,

ORDERING INFORMATION:

Test Condition I (100 G’s peak for 6 milliseconds).

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

Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak).

Plug-In

Catalog

Number

Radial Lead

Catalog

Nominal

Resistance

Cold Ohms

2000

280

Ampere Voltage

Number

Rating

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

Seal Test: MIL-STD-202, Method 112, Test Condition A

262.002

262.005

262.010

262.015

262.031

262.050

262.062

262.100

262.125

262.200

262.250

262.300

262.400

262.500

262.600

262.700

262.750

262.800

262 001

262 01.5

262 002

262 003

262 004

262 005

268.002

268.005

268.010

268.015

268.031

268.050

268.062

268.100

268.125

268.200

268.250

268.300

268.400

268.500

268.600

268.700

268.750

268.800

268 001

268 01.5

268 002

268 003

268 004

268 005

1/500

1/200

1/100

1/64

1/32

1/20

1/16

1/10

1/8

125

94.0

44.0

16.45

3.20

2.25

1.17

1.0

2.30

1.75

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

302, Test Condition A (1/2 Megohm minimum).

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

Test Condition B (–65°C to 125°C).

Moisture Resistance: MIL-STD-202, Method 106.

PHYSICAL SPECIFICATIONS:

2/10

1/4

Materials: Gold-Plated Copper Leads, Type II

(Fuse cap is also Gold-Plated).

3/10

4/10

1/2

1.25

0.227

0.167

0.140

0.114

0.104

0.094

0.100

0.063

0.046

0.034

0.019

0.018

Weight: 262 and 269 Series .36 Grams;

268 Series .48 Grams.

6/10

7/10

3/4

Lead Pull Force: MIL-STD-202, Method 211,

Test Condition A (will withstand a 5 lb. axial pull test).

8/10

AQL (Electrical Characteristics): Certified to 1% AQL.

Sampling: Per MIL-STD-105, Inspection Level II.

1 /

Traceability and Identification Records: Controlled by lot

number and retained on file for a minimum of three years. Copies of Lot

Certification Test data available when requested with order.

OPTIONS: Special screening tests, burn-in, etc. can be supplied on

special order to meet specific requirements.

Please contact Littelfuse for Average Time Current Curve.

PATENTED

285

www. littelfuse. com

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