Datasheet > KMR421LFS

KMR421LFS

更新时间： 2024-11-11 11:30:55

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描述
Microminiature SMT Top Actuated

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中文翻译

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数据手册

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KMR421LFS 数据手册

KMR 4 Series

Microminiature SMT Top Actuated

Features/Benefits

Typical Applications

•

Automotive

•

Long Life version

Cellular phones

Industrial electronics

Medical equipment

4 actuation forces

Optional ground pin

Ultra low current capabilities

Excellent tactile feel

Electrical

Silver

Gold

Specification

MAXIMUM POWER:

1 VA

32 VDC

20 mVDC

50 mA

0.2 VA

32 VDC

20 mVDC

10 mA

FUNCTION: momentary action

CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.

TERMINALS: Gullwing type for SMT

MAXIMUM VOLTAGE:

MINIMUM VOLTAGE:

MAXIMUM CURRENT:

MINIMUM CURRENT:

DIELECTRIC STRENGTH:

CONTACT RESISTANCE:

INSULATION RESISTANCE:

BOUNCE TIME:

1 mA*

Mechanical

≥ 250 Vrms

≤ 100 mΩ

≥ 1GΩ

Type G and NG

(except gold

version G only)

See description

below

Operating

force

N (grs)

Operating

life

(cycles)

Travel (mm)

≤ 3 ms

*For ULC version minimum current is 1µA at 1.8 VDC

KMR421 LFS

KMR431 LFS

2.0 (200) 0.50 200 000 0.25 mm 0.1

3.0 (300) 0.75 150 000 0.30 mm 0.1

Environmental

Silver

Gold

KMR431 ULC LFS 3.0 (300) 0.75 150 000 0.30 mm 0.1

KMR432 LFS 3.0 (300) 0.75 300 000 0.30 mm 0.1

KMR432 ULC LFS 3.0 (300) 0.75 300 000 0.30 mm 0.1

KMR441 LFS 4.0 (400) 1.00 100 000 0.35 mm 0.1

KMR441 ULC LFS 4.0 (400) 1.00 100 000 0.35 mm 0.1

KMR442 LFS 4.0 (400) 1.00 200 000 0.35 mm 0.1

OPERATING TEMPERATURE:

STORAGE TEMPERATURE:

-40˚C to 85˚C -40˚C to 125˚C

-55˚C to 85˚C -55˚C to 125˚C

Process

Infrared Reflow Soldering in accordance with IEC61760-1

KMR442 ULC LFS 4.0 (400) 1.00 200 000 0.35 mm 0.1

Packaging

In reels of 6,000 pieces for KMR 4

External diameter 330 mm 2 mm

TACTILE FEELING: for KMR 4 series: ≥ 25%

NOTE: Specifications listed above are for switches with standard options.

For information on specific and custom switches, consult Customer Service Center.

Part Number Description

For any part number different from those listed above, please consult your local representative.

Total height

4 2,5 mm

LFS Lead free compatible, silver plated

LFG Lead free compatible, gold plated

Actuation Force

2 2 N (200 grams)

3 3 N (300 grams)

4 4 N (400 grams)

Low Current capability

Void Under standard specification

ULC Low current

Contact Material

1 Silver

2 Silver long life

3 Gold

Grounding option

G Ground pin

NG No Ground pin

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

www.ck-components.com

B–11

中文翻译

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与KMR421LFS相关器件

型号	品牌	获取价格	描述	数据表
KMR421NGLFS	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR421NGULCLFS	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR422GULCLFS?	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR423GLFG?	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR423GULCLFG?	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR423NGLFG?	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR423NGULCLFG	LITTELFUSE	获取价格	Microminiature SMT Top Actuated
KMR431	CK-COMPONENTS	获取价格	Microminiature SMT Top Actuated
KMR431GLFS	CK-COMPONENTS	获取价格	Microminiature SMT Top Actuated
KMR431GLFS	LITTELFUSE	获取价格	Microminiature SMT Top Actuated

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