SDTM-648-R Bourns Inc., SDTM-648-R Datasheet

SDTM-648-R

Manufacturer Part Number

SDTM-648-R

Description

Tactile & Jog Switches 12volt 50mA 6mm

Manufacturer

Bourns Inc.

Series

SDTMr

Datasheet

1.SDTM-644-N.pdf (2 pages)

Specifications of SDTM-648-R

Operating Force

260 g

Actuator

Square

Contact Rating

50 mA at 12 Volts

Ground Terminal

Contact Form

SPST

Termination Style

Solder Pad

Body Size

6 mm L x 6.2 mm W x 7.3 mm H

Color

Black

Features

Economical with high reliability

Mounting Style

SMD/SMT

Operating Temperature Range

- 20 C to + 70 C

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Electrical Life

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

Contact Resistance .....100 mohms max.

Insulation Resistance ..100 Mohms min.,

Dielectric Strength

Contact Arrangement ...1 pole 1 position

Operation Force .......100 g, 160 g, 260 g

Stop Strength ..Place the switch vertical,

Stroke .......0.25 mm (+0.2 mm, -0.1 mm)

Temperature Range......-25 °C to +70 °C

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

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

Cover Materials ..............Steel, tin plated

Base Materials .......Thermoplastic Nylon

Actuator Materials ............Thermoplastic

Contact Disc. Materials ...........Phosphor

Terminal Materials ........Brass with silver

*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.

Electrical Characteristics

Environmental Characteristics

Tolerance .....................................±50 g

Frequency ............10-50-10Hz/1minute

Directions..............X,Y,Z 3 mutually per

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

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

Directions/Time ......6 sides and 3 times

Physical Characteristics

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

.................50,000 cycles min. for 260 g

...........................AC 250 V for 1 minute

500,000 cycles min. for 100 g, 160 g

operation for a period of 15 seconds

applied in the direction of actuator

a static load of 3 kg shall be

Method 213A, Condition A

bronze with silver cladding

pendicular directions

FG 101, UL94V-0

in each direction

Nylon UL94V-0

DC 500 V min.

high reliability

Method 201A

cladding

SDTM Series SMD Tact Switch

Features

Model

Product Code

Size

Height

Actuating Force

Packaging Option

*not applicable to Model 660.

CIRCUIT DIAGRAM

How To Order

10 = 4.3 mm

20 = 5.0 mm

30 = 7.0 mm

44 = 7.3 mm (square head)

48 = 7.3 mm (square head)

50 = 9.5 mm

60 = 13 mm

tactile feedback

suitable for high density mounting

RoHS compliant*

M = SMD

K = 100 g (black head)

N = 160 g (brown head)

R = 260 g (red head)

S = 320 g (salmon head)

Y = 520 g (yellow head)

TR = Embossed tape*

__ = Tube

Available sharp click feel with a positive

Ultra-miniature and lightweight structure

Very economical with high reliability

6 = 6 mm

610 = 1000 pcs.

620 = 900 pcs.

630 = 700 pcs.

644, 648 = 500 pcs.

650 = 380 pcs.

All models = 77 pcs.

SDT M - 6 10 - K TR

T 1

T 3

T 2

T 4

SDTM-644/648

RECOMMENDED PCB LAYOUT

SDTM-644:

SDTM-648: 2.8

treatment prevents flux buildup during

soldering and permits autodipping

SDTM-610/620/630/650/660

Insert molding in the contact with special

Product Dimensions

T 1

T 3

(.020)

T 1

T 3

0.50

The SDTM Series is currently available,

(.020)

TOLERANCES:

0.50

(.374)

T 1

T 3

9.50

although not recommended for new

(.095)

(.110)

0°-4°

(.028)

2.4

designs.

0.70

0°-4°

(.028)

MAX.

0.70

MAX.

DIA.

(.051)

1.30

(.354 ± .008)

DIMENSIONS:

(.354 ± .008)

9.0 ± 0.2

(.169)

(.008)

4.30

(.169)

0.2

C L

4.30

C L

(.252)

6.40

C L

EXCEPT WHERE NOTED.

(.138)

(IN)

3.50

C L

(.138)

(.244)

3.50

C L

6.20

(.244)

6.20

(.177 ± .008)

4.50 ± 0.20

(.177 ± .008)

DIA.

4.50 ± 0.20

(H ± .008)

H ± 0.20

(.008 ± .004)

0.200 ± 0.10

(.287)

7.30

0.200 ± 0.10

(.008 ± .004)

(.138)

(.177)

3.50

4.50

T 2

T 4

T 2

T 4

T 2

T 4

Related parts for SDTM-648-R

SDTM-648-R Summary of contents

Page 1

... Tube All models = 77 pcs. *not applicable to Model 660. CIRCUIT DIAGRAM The SDTM Series is currently available, although not recommended for new designs. Insert molding in the contact with special treatment prevents flux buildup during soldering and permits autodipping Product Dimensions SDTM-610/620/630/650/660 6.20 ( ...

Page 2

... SDTM Series SMD Tact Switch Packaging Specifications SDTM-610/620/630/644/648/650(TR) 16.00 +0.30/-0.10 2.0 ± 0.10 (.630 + .012/-.004) (.079 ± .004) 1.50 +0.25/-0.00 (.059 +.010/-0.00) DIA. 4.00 ± 0.10 (.157 ± .004) 12.00 ± 0.10 (.472 ± .004) 1.50 + 0.10/-0.00 ( ...

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