Datasheet > 0304.750

0304.750

更新时间： 2024-11-21 14:56:39

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
3页	523K
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0304.750 数据手册

Fuse Datasheet

304 Series

PICO^®277V Intrinsically Safe Fuse

RoHS

Description

The PICO^®304 Series offers a range of suface mountable

encapsulated fuses certified as intrinsically safe components that

can be used in hazardous locations. Ideal for use in oil, gas, mine,

chemical, pharmaceutical and process industries, the PICO^®304

Series surface mountable fuse was designed to limit the energy

and temperature generated during its operation. The fuse design

and its encapsulant are suitable for use in intrinsically safe

apparatus and associated apparatus for peak voltage not exceeding

375V.

Features

■ Surface Mountable

■ Global hazardous location

certiﬁcations

■ Encapsulated and sealed

(1mm minimum)

■ Suitable for Class I, Class II,

Class III, and Zone 0 Hazardous

Location.

■ High breaking capacity of

1500A at 277V AC/DC

Agency Approvals

■ RoHS-compliant

■ Current rating options from

0.050 to 0.750A

Agency

Agency File Number

Ampere Rating

DEMKO 13 ATEX 1200U

II 1 G Ex ia IIC

50 - 750mA

Applications

■ Testing, measuring or

processing electronic and

electrical equipment

■ Process control and automation

■ Sensors

E358130

50 - 750mA

IECEx UL 13.0077U Ex ia IIC

■ Lighting

■ Motor controllers

■ Flow/gas meters

■ Communication handsets/two-

way radios

Reference Standards

Electrical Characteristics for Series

Agency

Standards

% of Ampere Rating

110%

OpeningTime

ATEX

EN 60079-0, EN 60079-11, EN 60079-26

IEC 60079-0, IEC 60079-11, IEC 60079-26

4 Hours, Minimum

10 Seconds, Maximum

IECEx

UL 913, UL 60079-0, UL 60079-11,

UL 248-1, UL 248-14

300%

United States

CAN/CSA C22.2 No. 157, CAN/CSA C22.2

No. 60079-0,CAN/CSA C22.2 No. 60079-11,

CSA 248-1, CSA 248-14

Canada

Electrical Speciﬁcations by Items

Agency Approvals

Ampere

Rating

(A)

Nominal

Melting

I²t (A²Sec.)

Minimum Cold Minimum Cold

Nominal Cold

Resistance at

25°C (Ohms)

Catalog

Number

Amp

Code

Interrupting

Rating

Resistance at

-20°C (Ohms)

Resistance at

-40°C (Ohms)

0304.050

0304.080

0304.100

0304.160

0304.200

0304.250

0304.500

0304.750

0.050

0.080

0.100

0.160

0.200

0.250

0.500

0.750

.050

.080

.100

.160

.200

.250

.500

.750

0.00019

0.00035

0.00070

0.00202

0.00288

0.00662

0.04462

0.13448

9.202

6.031

2.709

2.297

1.935

1.268

0.392

0.219

9.010

5.963

2.668

2.292

1.839

1.105

0.368

0.196

12.00

8.19

5.00

3.00

2.68

1.60

1500A @

277VAC/DC

0.46

0.27

Notes: 1. The fuse must be mounted so that creepage and clearance distances are not impaired in any way.

2. The fuse is suitable for use in intrinsically safe equipment and associated apparatus for voltage not exceeding 375V peak.

3. Maximum surface temperature rise at 170% rated current: ≤200mA = 88°C, 250mA = 52°C, 500mA = 52°C, and 750mA = 45°C.

Speciﬁcations are subject to change without notice.

Revised: GD. 10/14/21

12 3

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