Datasheet > KMR821GLFS

KMR821GLFS

更新时间： 2023-12-06 20:03:10

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	169K
描述
Microminiature SMT Top Actuated

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KMR821GLFS 数据手册

KMR 8 Series

Microminiature SMT Top Actuated

Features/Benefits

Typical Applications

•

Automotive

•

Small footprint

3 actuation forces

Excellent tactile feel

Hard actuator

IP40

Mobile phones

Industrial electronics

Medical equipment

Electrical

Silver

Specification

MAXIMUM POWER:

1 VA

32 VDC

20 mVDC

50 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

Operating

force

N (grs)

Operating

life

(cycles)

Type G and NG

See description

below

Travel (mm)

≤ 3 ms

KMR811G LFS

KMR821G LFS

KMR831G LFS

KMR831NG ULC LFS

1.2 (120) 0.30

2.0 (200) 0.50

3.0 (300) 0.75

200,000

150,000

0.20 mm

0.25 mm

0.1

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

Environmental

Silver

OPERATING TEMPERATURE: -40˚C to 85˚C

TACTILE FEELING:

STORAGE TEMPERATURE:

-55˚C to 85˚C

KMR 8 series with actuation force in 2N - 3N - 4N: ≥ 30%

KMR 8 series with actuation force in 1.2N: ≥ 20%

Process

Soldering: Lead free reflow soldering process in accordance with

IEC 61760-1.

Packaging

In reels of 7,000 pieces

External diameter 330 mm 2 mm

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

8 1,9 mm

LFS Lead free compatible, silver plated

LFG Lead free compatible, gold plated

Actuation Force

1 1.2 N (120 grams)

2 2 N (200 grams)

3 3 N (300 grams)

Low Current capability

Void Under standard specification

ULC Low current

Contact Material

1 Silver

Grounding option

G Ground pin

NG No Ground pin

Dimensions are shown: mm

Specifications and dimensions subject to change

24 Aug 21

www.ckswitches.com

B–25

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