Datasheet > 0438002.GT

0438002.GT

更新时间： 2023-12-06 20:12:44

品牌	Logo	应用领域
力特 - LITTELFUSE		过电流保护
页数	文件大小	规格书
3页	357K
描述
438GT系列陶瓷保险丝100%无铅、符合RoHS标准且不含卤素，专门用于为工作环境温度极高（最高可达150°）和浪涌电流较高的电路提供过电流保护。通用型设计确保了卓越的高温稳定性和性能可靠性。

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0438002.GT 数据手册

Surface Mount Fuses Datasheet

438GT Series

0603 Fast-Acting Fuse

RoHS Pb

Description

The 438GT Series is a 100% Lead-free, RoHS compliant and

Halogen-free fuse series designed specifically to provide over-

current protection to circuits that operate under high working

ambient temperature up to 150ºC.

The general design ensures excellent temperature stability and

performance reliability.

The high I²t values which is typical in the Littelfuse Ceramic Fuse

family ensure high inrush current withstand capability.

Features

■ OperatingTemperature from

-55ºC to +150ºC

■ Suitable for both leaded

and lead-free reﬂow/ wave

soldering

■ 100% Lead-free,

RoHS compliant and Halogen- ■ Recognized to UL/CSA/NMX

free

248-1 and UL/CSA/NMX 248-

Additional Information

Applications

■ Handheld Electronics

■ Hard Disk Drives

■ SD Memory Cards

■ LCD Displays

■ Battery Packs

Resources

Accessories

Samples

Agency Approvals

Electrical Characteristics for Series

% of Ampere

Agency

Agency File Number

Ampere Range

2A – 6A

Ampere Rating

OpeningTime at 25ºC

Rating

100%

250%

2A – 6A

4 Hours, Minimum

5 Seconds, Maximum

E10480

29862

2A – 6A

Electrical Specifications by Item

Agency Approvals

Ampere

Rating

(A)

Max.

Voltage

Rating (V)

Nominal

Resistance

(Ohms) ²

Nominal

Melting I²t

(A²Sec.) ³

NominalVoltage

Nominal Power

Dissipation At Rated

Current (W)

Amp

Code

Interrupting Rating

(AC/DC) ¹

Drop At Rated

Current (V) ⁴

2.5

3.5

002.

02.5

003.

03.5

004.

005.

006.

0.0490

0.0364

0.0264

0.0210

0.0164

0.0127

0.0086

0.181

0.240

0.439

0.647

0.739

0.747

1.444

0.110

0.094

0.082

0.078

0.075

0.072

0.070

0.220

0.235

0.246

0.273

0.300

0.360

0.420

50A @ 32VDC/12VAC

50A @ 24VDC/12VAC

Notes:

1. AC Interrupting Rating tested at rated voltage with unity power factor.

DC Interrupting Rating tested at rated voltage with time constant <0.8 msec.

2. Nominal Resistance measured with <10% rated current.

3. Nominal Melting I²t measured at 1msec. opening time.

4. Nominal Voltage Drop measured at rated current after temperature has stabilized.

Devices designed to carry rated current for 4 hours minimum. It is recommended that devices be operated continuously at no more than 80% rated current.

See “Temperature Re-rating Curve”for additional re-rating information.

Devices designed to be mounted with marking code facing up.

Speciﬁcations are subject to change without notice.

Revised: GD. 02/22/21

12 3

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与0438002.GT相关器件

型号	品牌	获取价格	描述	数据表
0438002.WR	LITTELFUSE	获取价格	Surface Mount Fuses Ceramic Fuse > 438 Series
0438002.WRA	LITTELFUSE	获取价格	Electric Fuse, Fast Blow, 2A, 12VAC, 32VDC, 50A (IR), Surface Mount,
0438002.WRGT	LITTELFUSE	获取价格	Electric Fuse, Fast Blow, 2A, 12VAC, 32VDC, 50A (IR), Surface Mount,
0438-0020-01	ETC	获取价格	Logic IC
0438-0020-02	ETC	获取价格	Logic IC
0438-0020-50	ETC	获取价格	Logic IC
0438003.	LITTELFUSE	获取价格	本产品系列100%无铅，且符合RoHS标准，专用于为工作环境温度极高（最高150oC）的电
0438003.A	LITTELFUSE	获取价格	438A系列符合AEC-Q200标准的保险丝经过特别测试，满足紧凑型汽车电子应用的次级电路
0438003.GT	LITTELFUSE	获取价格	438GT系列陶瓷保险丝100%无铅、符合RoHS标准且不含卤素，专门用于为工作环境温度极
0438003.WR	LITTELFUSE	获取价格	Surface Mount Fuses Ceramic Fuse > 438 Series

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