275030.VXL [LITTELFUSE]

Electric Fuse,;


型号：	275030.VXL
厂家：	LITTELFUSE
描述：	Electric Fuse, 电路保护
文件：	总3页 (文件大小：549K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Axial Lead & Cartridge Fuses

PICO^®> Very Fast-Acting Fuse > 275 Series

275 Series, PICO^®Very Fast-Acting Fuse

RoHS

Description

The PICO^®Very Fast-Acting Fuse is designed to meet an

extensive array of performance characteristics in a

space-saving subminiature package.

Features

• Very fast-acting

• Small size

• RoHS compliant

• Wide operating

temperature range

• High current rating

(20A- 30A)

• Low temperature rerating

Applications

Agency Approvals

• Power supply

• PC server

• Networking equipment

• Storage system

Agency

Agency File Number

Ampere Range

E10480

20A - 30A

Electrical Characteristics

% of Ampere

Rating

Additional Information

Ampere Rating

20A - 30A

OpeningTime

100%

200%

4 Hours, Min.

10 Seconds, Max.

ꢀatasꢁeet

ꢀesꢁurꢂes

ꢀaꢁꢂles

Electrical Characteristics

Agency

Approvals

Max

Voltage

Rating

(V)

Ampere

Rating

(A)

Nominal Cold

Resistance

(Ohms)

Nominal

Ordering

Number

Interrupting

Amp Code

Melting

Rating

I²t (A²sec)

20.0

25.0

30.0

020.

025.

030.

0275020.

0275025.

0275030.

0.0033

0.0024

0.0020

203

288

355

300A@32VDC

100A@32VAC

Application testing is strongly recommended. Speciﬁcations are subject to change without notice.

Revised: 02/15/18

Axial Lead & Cartridge Fuses

PICO^®> Very Fast-Acting Fuse > 275 Series

Temperature Re-rating Curve

AverageTime Current Curves

100

0.1

Note:

Rerating depicted in this curve is in addition to the standard derating of 25% for

continuous operation.

0.01

Soldering Parameters

0.001

Recommended Process Parameters:

0.05 0.1

100

1000

CURRENT IN AMPERES

Wave Parameter

Preheat:

(Depends on Flux ActivationTemperature)

Temperature Minimum:

Temperature Maximum:

PreheatTime:

Lead-Free Recommendation

(Typical Industry Recommendation)

100°C

150°C

60-180 seconds

Solder PotTemperature:

Solder DwellTime:

260°C Maximum

2-5 seconds

Recommended Hand-Solder Parameters:

Solder IronTemperature: 350°C +/- 5°C

HeatingTime: 5 seconds max.

Note:These devices are not recommended for IR or

Convection Reﬂow process.

Speciﬁcations are subject to change without notice.

Revised: 02/15/18

Axial Lead & Cartridge Fuses

PICO^®> Very Fast-Acting Fuse > 275 Series

Product Characteristics

Transparent Polyvinylidene Fluoride

Operating Temperature –60ºC to +125ºC (Consider re-rating)

Materials

sleeve covered body, pure tin plated

copper wire leads

MIL-STD-202, Method 213, Test

Condition I (100 G’s peak for 6

Shock

Solderability

MIL-STD-202, Method 208

milliseconds) and per method 2028

(78G’s peak for 11 milliseconds)

MIL-STD-202, Method 211, Test Condition

A (will withstand a 5lbs. axial pull test)

Lead Pull Force

MIL-STD-202, Method 201 (10–55

Hz); Method 204, Test Condition D

(Vibrations of 10-2000 cps at 20 G’s)

Vibration

Moisture Resistance

MIL-STD-202, Method 106

Part Numbering System

Dimensions

275 000 Series

0275 xxxx M R T1 L

Series

275

Current Rating

Refer to Amp Code column of

Electrical Characteristics Table

3/4 A

DIA.

Transparent

Insulating Sleeve

Quantity

M = 1000

V = 5

Type of Packaging

R = Reel

X = Loose Pack

Dimensions in mm (inches)

Amperage

20 - 30

7.87

(.31")

27.78

(1.094")

3.38

1.016

(.133") (.040")

Lead Length

T1 = 52.4mm (2.062”)

Blank = For Loose pack (MXL,VXL)

RoHS

Only RoHS parts are available for

275 Series

Packaging

Quantity &

Packaging Code

Packaging Option

Packaging Speciﬁcation

Please refer to available quantities above in “Part

Numbering System”

T1: 52.4mm (2.062")Tape and Reel

EIA 296

The default lead length for loose pack isT1.

Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and

test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.

Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.

Speciﬁcations are subject to change without notice.

Revised: 02/15/18

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