SDMX-12XR datasheet, PDF - EEWORLD Datasheet

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SDMX-12XR: DescriptionSurface Mount DIP Switch; File Size235KB，1 Pages; ManufacturerBourns; Websitehttp://www.bourns.com

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SDMX-12XR Overview

Surface Mount DIP Switch

SDMX-12XR Preview

Features

■

Double contacts

Low contact resistance

Self-clean on contact area

Vapor phase solderable, IR-reflow solderable

Terminal plating by gold gives excellent

results when soldering

RoHS compliant*

The SDM Series is currently available,

although not recommended for new

designs.

SDM Series Surface Mount DIP Switch

Electrical Characteristics

Electrical Life ............2,000 operations min.

per switch, 24 VDC, 25 mA

Non-Switching Rating ......100 mA, 50 VDC

Switching Rating ................25 mA, 24 VDC

Contact Resistance (@ current 100mA)

........................50 milliohms max. at initial

100 milliohms max. after life test

Insulation Resistance

........100 megohms min. at 500 ±15 VDC

Dielectric Strength ............500 VDC/minute

Capacitance ..................5 pF max. between

adjacent closed switch

Circuit ....................Single pole single throw

Environmental Characteristics

Mechanical Life..2,000 operations per switch

Operation Force ......................1000 gf max.

Stroke ..............................................1.0 mm

Operating Temp. Range ....-20 °C to +70 °C

Storage Temperature ........-40 °C to +85 °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

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

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

3 times in each direction.

High reliability

Physical Characteristics

Base and Cover Materials

..UL94V-0 PPS plus glass fiber reinforced

Color ................................................Black

Actuator Materials ..............................Nylon

plus glass fiber reinforced

Color ................................................White

Contact Materials ....................Alloy copper

Terminal Materials ..............................Brass

Contact Plating Materials ....3 micro inches

gold plating over 40 micro inches nickel

Terminal Plating Materials ....................Gold

Soldering Process ............Vapor phase and

IR-reflow soldering can be applied

Standard Packaging

......IC tubes/all poles in the “off” position

Product Dimensions

SDM Series

A + 0.2 / - 0

(A + .008/-0)

2.0

(.079)

Packaging Specifications

1.55

0.05

(.061

.002)

DIA.

2.00

0.15

(.079

.006)

2.00

0.25

DIA.

(.079

.010)

0.50

(.020)

6.20 + 0.2 / -0

(.244 = .008/-0)

4.00

0.1

(.157

.004)

3.0 + 0.10 / -0

(.118 + .004/-0)

1.74

(.069)

9.80

0.3

(.386

.012)

7.62

0.25

(.300

.010)

0°~4°

2.54

(.100)

TYP.

0.70

(.028)

0.70

MIN.

(.028)

1.0

(.039)

16.00

0.1

(.630

.004)

POLE

2,3

4,5,6

7,8

9,10,12

TAPE SIZE (W)

16 mm

24 mm

32 mm

44 mm

0.7

0.2

(.028

.088)

SDMR SERIES

SDMX SERIES

How to Order

SDM R - 2 - T R

Model

Actuator

• X = Raised Actuator

• R = Recessed Actuator

7.40 10.4

(.291) (.409)

RECOMMENDED PCB LAYOUT

B±0.10=2.54X(P-1)

(B±.004=.10X(P-1))

1.1

(.043)

2.54

(.100)

TYP.

Number of Positions

• 1 = 1 Position

• 2 = 2 Positions

• 3 = 3 Positions

• 4 = 4 Positions

• 5 = 5 Positions

• 6 = 6 Positions

• 7 = 7 Positions

• 8 = 8 Positions

• 9 = 9 Positions

• 10 = 10 Positions

• 12 = 12 Positions

SCHEMATIC (TYP.)

1,2,3,4,5,6,7,8,9,10,12 POSITIONS

AVAILABLE

1,2,3,4,5,6,7,8,9,10 POSITIONS

AVAILABLE

Seal

• X = Standard (Not Sealed)

• T = Top Tape Sealed (“R” Actuator only)

Packaging Option

(Top Sealed, Recessed only)

• R = Tape and Reel Packaging

(900 pcs./reel)

Temperature (°C)

MODEL NO.

SDM-12

SDM-10

SDM-8

SDM-6

SDM-4

SDM-2

POSITIONS

DIM. A DIM. B

31.42 27.94

26.34 22.86

21.26 17.78

16.18 12.70

11.10

7.62

6.02

2.54

Reflow Soldering Profile

275

225

175

125 120

°C

30-40 Sec.

10-15

Sec.

80-90 Sec.

35-60

Sec.

240

°C

180

°C

DIMENSIONS:

(IN)

REV. 02/06

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

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

80 100 120 140 160 180 200

Time (Seconds)

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