L50S90

更新时间： 2024-11-23 22:08:15

品牌	Logo	应用领域
力特 - LITTELFUSE		半导体电路保护
页数	文件大小	规格书
4页	313K
描述
Semiconductor Fuses

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L50S90 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
ECCN代码：	EAR99	风险等级：	5.68
Is Samacsys：	N	其他特性：	RATED BREAKING CAPACITY AT 450 VDC: 20000 A
熔断特性：	FAST	主体高度：	54 mm
主体长度或直径：	25.4 mm	电路保护类型：	ELECTRIC FUSE
安装特点：	INLINE/HOLDER	物理尺寸：	25.4mm x 54mm
额定分断能力：	200000 A	额定电流：	90 A
额定电压（交流）：	500 V	额定电压（直流）：	450 V
参考标准：	CSA; UL	表面贴装：	NO
端子形状：	TAB/BLADE	Base Number Matches：	1

L50S90 数据手册

Semiconductor Fuses

ꢀ

150/250/500/600/700 VAC Very Fast-Acting 1 – 1000 Amperes

SPECIFICATIONS

Voltage Ratings: L15S: 150 V AC/DC (1 – 60A)

150 VAC (70 – 1000A)

100 VDC (70 – 1000A)

L25S: 250 V AC/DC (1 – 200A)

250 VAC (225 – 800A)

200 VDC (225 – 800A)

L50S: 500 VAC/450VDC

L60S: 600 VAC

KLC: 600 VAC

L70S: 700VAC/650VDC

Interrupting Rating:AC: 200,000 rms amperes

(L15S series 100,000 amperes)

DC: 20,000 amperes

Ampere Range: 1 – 1000 amperes

See Rating Table for ratings available

in each series.

Approvals: UL Recognized under the Components Program

and CSA Recognized under the Component

Acceptance Program.

UL File No: E71611

CSA File No: LR29862

L15S and L25S series fuses are Littelfuse

Certified for DC ratings shown in Rating Table.

AMPERE RATINGS

See Rating Table.

RECOMMENDED FUSE BLOCKS

LSCR series:Refer to Fuse Block section of this catalog for

additional information.

SAFETY

Designed to protect today’s equipment and systems,

Littelfuse semiconductor fuses are manufactured with

Littelfuse-developed technology that sets tomorrow’s stan-

dards for accuracy, consistent quality, reliability, and predict-

able performance. By using advanced metallurgical, polymer,

and materials research; mathematical modeling, and comput-

erized statistical analysis; Littelfuse engineers have redefined

“State-of-the-Art.”

ꢀ

200,000 A.I.R. — Reliable interruption of all overcurrents up

to 200,000 amperes . . . meets present and future system

requirements. (Note: L15S series has 100,000 A.I.R.)

Extremely Current Limiting — Low I²t and peak let-through

ꢀ

currents meet most semiconductor requirements.

ꢀ

UL Recognized — Littelfuse semiconductor fuses are

recognized under the components program of Underwriters

Laboratories, Inc., and carry the

semiconductor fuses may be used to provide supplemen-

tary protection in UL listed equipment.

mark. UL Recognized

APPLICATIONS

Designed specifically for supplementary protection of

semiconducting devices such as silicon controlled rectifiers

(SCR’s), diodes, thyristors, triacs, transistors, and similar

solid-state devices. These devices are used in power

equipment including variable speed drives, power rectifiers,

UPS systems, DC power supplies, and in a wide range of

electronic equipment.

LONGER EQUIPMENT LIFE

ꢀ

Low Watt Losses — Means less heating and power

consumption in circuit.

ꢀ

Controlled Transient Overvoltages — All circuits are subject

to transient overvoltages during fault current interruption.

These transient overvoltages (arc voltages) start when fuse

links melt or circuit breaker contacts part, and subside

when circuit is interrupted. Semiconductors are very

sensitive to overvoltages. Littelfuse semiconductor fuse

designs keep transient overvoltages to low levels and help

reduce semiconductor failure.

May be used wherever extremely fast-acting, current-limiting

fuses with no time delay are required.

12 3 4

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