E9

Catalog 1308390

Dimensions are in inches

Dimensions are shown for

USA: 1-800-522-6752

South America: 55-11-3611-1514

Issued 9-04

and millimeters unless otherwise

reference purposes only.

Canada: 1-905-470-4425

Hong Kong: 852-2735-1628

specified. Values in parentheses

Specifications subject

Mexico: 01-800-733-8926

Japan: 81-44-844-8013

www.tycoelectronics.com

or brackets are metric equivalents. to change.

C. America: 52-55-5-729-0425

UK: 44-141-810-8967

E

FSMSM/JM Series

Tactile Switches, .138 [3.5] x .236 [6], Surface Mount

.138

(3.50)

.236

(6.0)

SEE DETAIL A

.060

(1.52)

.118

(2.99)

.169

(4.30)

.138

(3.50)

.039

(0.99)

.276

(7.0)

.083

(2.1)

.448

(11.4)

.063

(1.6)

.004

±.002

(.102-.005)

METRIC 2 Pl. (.10)

±.05

.060/.040

(1.52/1.01)

.012

(0.30) 2X

.050 (1.27)

.045 (1.14)

2X

.050

(1.27)

2X

R..010

(0.25)

4X

DETAIL A

SUGGESTED FOOTPRINT PATTERN

FSMSM

MATERIAL SPECIFICATIONS:

Contacts ..................................Stainless steel, silver clad plate

Case Material ..........................FSMSM: PPS

Actuator Material ....................FSMSM: Nylon

FSMJM: PPS

Terminals ................................Copper alloy, silver plate or tin plate

Cover........................................Stainless steel

ENVIRONMENTAL SPECIFICATIONS:

Operating Temperature............-40°F to +185°F (-40°C to +85°C)

Storage Temperature................-40°F to +185°F (-40°C to +85°C)

Solder Heat Resistance ............FSMSM IR Soldering EIA-364-56,

Procedure 5 Level 1, 215° C

FSMJM IR Soldering per EIA 364-56

Procedure 5, level 2, 464°F (240°C)

TYPICAL PERFORMANCE CHARACTERISTICS:

Contact Rating ........................50 mA @ 12 VDC

Initial Contact Resistance ........100 Milliohms max.

Insulation Resistance ..............100 Megohms min. @ 500 VDC

Dielectric Strength ..................500 VAC for 1 minute

Actuator Travel.........................010"(.254)

Life Expectancy ......................20,000-40,000 Cycles

3.5 x 6.0 mm

3.5 x 6.0 mm

.236

(6.00)

.161

(4.10)

Max.

.016

(0.40)

Max.

.004

(0.10)

Max.

.002

(0.05)

Max.

.118

(3.00)

.039

(1.00)

.299

(7.60)

.079

(2.00)

.087

(2.20)

.083

(2.10)

.268

(6.80)

.138

(3.50)

.039

(1.00)

.138

(3.50)

Dim. A

Tyco

Alcoswitch

Type

Dim. A

Actuation Force

Packaging

Life

Electronics

Cycle

147873-1

FSMJM5.0ATR

SPST

.197 (5.00)

180±50

Reel

40,000

147873-2

FSMJM4.3ATR

SPST

.169 (4.30)

180±50

Reel

40,000

147873-3

FSMJM3.5ATR

SPST

.138 (3.50)

180±50

Reel

40,000

147942-1

FSMJM4.3

SPST

.169 (4.30)

130±50

Bulk

40,000

147942-2

FSMJM4.3TR

SPST

.169 (4.30)

130±50

Reel

40,000

Tyco

Alcoswitch

Type

Packaging Actuation Force

Life

Electronics

Cycle

1437566-3

FSMSM

SPST

Off

(On)

Bulk

180±50

20,000

1437566-4

FSMSMTR

Reel

180±50

20,000

(On) indicates momentary position.