Datasheet > SDTX-250-N

SDTX-250-N

更新时间： 2024-09-15 05:58:19

品牌	Logo	应用领域
伯恩斯 - BOURNS		/
页数	文件大小	规格书
3页	265K
描述
Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 2.06N, Solder Terminal, Through Hole-straight, ROHS COMPLIANT

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中文翻译

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数据手册

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SDTX-250-N 数据手册

SDT Series – Tact Switch

Features

ꢀ

Available sharp click feel with a

positive tactile feedback

ꢀ

Insert molding in the contact with

special treatment prevents flux

buildup during soldering and permits

autodipping

ꢀ

Ultra-miniature and lightweight

structure suitable for high density

mounting

ꢀ

RoHS compliant^†

ꢀ

Economical with high reliability

Electrical Characteristics

Product Dimensions

Electrical Life

SDTX-610/620/630/650/660

SDTG-610/620/630/650/660

..................500,000 cycles min. for 260 g

1,000,000 cycles min. for 100 g, 160g

Rating.................................DC 12 V 50 mA

Contact Resistance .....100 milliohms max.

Insulation Resistance

6.0

(.236ꢀ

6.0

(.236ꢀ

4.30

(.169ꢀ

4.30

(.169ꢀ

.................100 megohms, DC 500 V min.

Dielectric Strength...250 V AC for 1 minute

Contact Arrangement.......1 pole 1 position

4.50 0.20

(.177 .00ꢁꢀ

4.50 0.20

(.177 .00ꢁꢀ

0.50

(.020ꢀ

Environmental Characteristics

MAX.

3.50

(.13ꢁꢀ

DIA.

1.50

(.059ꢀ

Operation Force......................260 g 50 g,

160 g 50 g, 100 g 50 g

Stop Strength ..........Place the switch such

that vertical, a static load of 3 kg shall

be applied in the direction of actuator

operation for a period of 15 sec.

Stroke

0.40

MAX.

(.016ꢀ

3.50

(.13ꢁꢀ

DIA.

0.20

(H .00ꢁꢀ

0.20

3.50

(H .00ꢁꢀ

0.30

(.012ꢀ

(.13ꢁꢀ

6mm type ...................0.25 +0.2/-0.1 mm

12mm type.........................0.35 0.1 mm

Temperature Range..........-20 °C to +70 °C

Vibration Test........................Mil-STD-202F,

Method 201A

Frequency .............10-55-10 Hz/1 minute

Directions ................X,Y,Z, three mutually

perpendicular directions

Time.....................2 hours each direction.

High reliability

Shock Test ..........................MIL-STD-202F,

Method 213B, Condition A

3.60

(.142ꢀ

1.ꢁ0

(.071ꢀ

0.30

(.012ꢀ

6.50 0.50

(.256 .020ꢀ

7.90 0.50

(.311 .020ꢀ

3.50 0.50

(.13ꢁ .020ꢀ

0.70

(.02ꢁꢀ

1.ꢁ0

(.071ꢀ

3.50 0.50

(.13ꢁ .020ꢀ

6.50 0.50

(.256 .020ꢀ

7.90 0.50

(.311 .020ꢀ

SDTX-644/648

SDTX-644

mm/(in)

Dim.

2.4 +.1/-0

(.094 +.004/-0)

SDTG-644/648

SDTG-644

Dim.

mm/(in)

1.6 +.1/-0

(.063 +.004/-0)

2.4 +.1/-0

(.094 +.004/-0)

Gravity..........50 G (peak value), 11 msec

Direction & Times ..................6 sides and

3 times in each direction.

4.10

(.161ꢀ

SDTX-648

mm/(in)

1.6 +.1/-0

(.063 +.004/-0)

Dim.

High reliability

2.8 +.1/-0

(.110 +.004/-0)

SDTG-648

mm/(in)

Physical Characteristics

Dim.

2.0 +.1/-0

(.079 +.004/-0)

Cover Materials...................................Steel

Base Materials .....UL94V-0 PBT plus glass

fiber reinforced

Cover/Base Color...............................Black

Actuator Materials ................Dulacon POM

plus glass fiber reinforced

0.70

(.02ꢁꢀ

15°

2.8 +.1/-0

(.110 +.004/-0)

RECOMMENDED PCB LAYOUT

2.0 +.1/-0

(.079 +.004/-0)

0.70

(.02ꢁꢀ

6.5 0.1

(.256 .004ꢀ

4.5 0.1

(.177 .004ꢀ

15°

Actuator Color ...............Black, brown, red

Contact Disc Materials....Phosphor bronze

with silver cladding

CIRCUIT DIAGRAM

Terminal Materials

........................Brass with silver cladding

Wave Soldering Process

1.0 0.05

(.039 .002ꢀ

4 PLCS.

DIA

.........Recommended solder temperature

at 260 °C (500 °F) max., 5 seconds

Hand Soldering Process

..............Use a soldering iron of 30 watts

or less, controlled at 320 °C (608 °F)

for approximately 2 seconds while

applying solder

CIRCUIT DIAGRAM

RECOMMENDED PCB LAYOUT

6.5 0.1

(.256 .004ꢀ

4.5 0.1

(.177 .004ꢀ

Packaging .................1,000 pieces per bag

Specifications are subject to change without notice.

^†RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Customers should verify actual device performance in

DIMENSIONS: MM/(INCHESꢀ

1.0 0.05

(.039 .002ꢀ

5 PLCS.

DIA

4.1 0.1

(.161 .004ꢀ

their specific applications.

REV 09/04

134

12 3

中文翻译

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与SDTX-250-N相关器件

型号	品牌	获取价格	描述	数据表
SDTX-250-R	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 3.04N, Solder Terminal,
SDTX-610-K	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 1.47N, Solder Terminal,
SDTX-610-KAP	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 1.47N, Solder Terminal,
SDTX-610-N	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 2.06N, Solder Terminal,
SDTX-610-R	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 3.04N, Solder Terminal,
SDTX-610-RAP	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 3.04N, Solder Terminal,
SDTX-620-N	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 2.06N, 4 PCB Hole Cnt, S
SDTX-620-NAP	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 2.06N, Solder Terminal,
SDTX-620-R	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 3.04N, Solder Terminal,
SDTX-620-RAP	BOURNS	获取价格	Keypad Switch, 1 Switches, SPST, Momentary-tactile, 0.05A, 12VDC, 3.04N, Solder Terminal,

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