
129
S
witches
7914 – 4 mm SMD & Through-hole
Sealed Key Switch
Features
I Compatible with most surface mount
soldering processes
I Compatible with popular vacuum
pick-and-place equipment
I J-hook, gull-wing & pinned
configurations
I Sealed for board washing
I Meets EIA/EIAJ/IPC/VRCI SMD
standard outline dimensions
I Top or side actuated
I RoHS compliant
Electrical Characteristics
Contact Rating
Maximum Current ...............100 mA max.
Maximum Voltage .............................16 V
Contact Resistance .....100 milliohms max.
Insulation Resistance ...100 megohms min.
Dielectric Strength ........................250 VAC
General Characteristics
Switch Type .........................Normally open
Operating Temp. Range ..-55 °C to +125 °C
Storage Temp. Range ....-55 °C to +125 °C
Seal Test ...........................85 °C Fluorinert*
Vibration ..............................................20 G
Shock ................................................100 G
Mechanical Characteristics
Actuator Force ..........................300 ±100 g
Pushover Strength (S Style) ........2 kG min.
Cycle life, loaded..........100,000 actuations
Contact resistance.......100 milliohms max.
Physical Characteristics
Cover Material......................Stainless steel
Base Material ......Thermoplastic, UL 94V-0
Terminal Material .............Phosphor bronze
Dome Material......................Stainless steel
Actuator Material.............High temperature
silicon rubber
Marking ......................Manufacturer’s code
and date code
Packaging Options
J & G .............500 pcs./reel; 50 pcs./tube
S ..................200 pcs./reel; 100 pcs./tube
H...........................................50 pcs./tube
Product Dimensions
1
2
1
SPST N.O.
5.00
(.197)
2 PLCS.
0.20
(.008)
2
1
2
1
2.54
(.100)
0.76
(.030)
TYP.
2 PLCS.
DIA. TYP.
2 PLCS.
TYP.
2 PLCS.
2
1
2
1
4.80
(.189)
4.50
(.177)
2.40
(.094)
0.60
(.024)
0.05 ±0.05
(.002 ±.002)
0.20
TYP.
(.008)
5 MAX TYP
2.54
TYP.
(.100)
3.8
(.150)
1.27
(.050)
1.78
(.070)
2.54
(.100)
0.76
(.030)
2
1
2
1
4.80
(.189)
4.50
(.177)
5.00
(.197)
2.54
(.100)
1.00
(.039)
0.20
(.008)
7914J
J-Hook
7914H
Through-hole
7914S
Right Angle
7914G
Gull Wing
1
2
1
SPST N.O.
1
2
1
SPST N.O.
6.20
4.00
(.157)
2.40
(.094)
2.54
TYP.
(.100)
5.5
(.217)
1.27
(.050)
4.00
(.157)
2.40
(.094)
0.80
(.031)
RECOMMENDED PCB LAYOUT
5.00
(.197)
RECOMMENDED PCB LAYOUT
1
2
2.86
(.113)
0.13 ±0.05
(.005 ±.002)
0.2 ±0.13
(.008 ±.005)
0.38 ±0.2
(.015 ±.008)
2.54
(.100)
1.3
TYP.
(.051)
2.33
(.092)
1.25
TYP.
(.049)
1
2
1
SPST N.O.
1.78
(.070)
2.54
(.100)
2.54
(.100)
0.76
(.030)
5.00
(.197)
4.80
(.189)
4.50
(.177)
2.40
(.094)
2.40
(.094)
4.00
(.157)
4.00
(.157)
5.18
(.204)
1.68
(0.66)
2.75
(.108)
0.48 ±0.2
(.019 ±.008)
1.68
(.066)
5.44
(.214)
2.38
(.094)
DIA.
0.89
(.035)
0.78
(.031)
1.5
(.059)
3.89
(.153)
7A
DIMENSIONS: MM/(INCHES)
TOLERANCES: ±.2/(±.008) EXCEPT WHERE NOTED
How To Order
7914 J - 1 - 000 E
Model
Terminal
J = J-Hook
G = Gull Wing
H = Through-hole Z = Right Angle
Switch Type
-1 = N.O. Au Contacts
Product Code for Button Height
(For Styles J, G, and H)
-000 = 4.0 mm FMS
-024 = 2.4 mm FMS (Flush Actuator)
-032 = 3.2 mm FMS
-050 = 5.0 mm FMS
(For Style S)
-000 = 1.68 mm FTS
-032 = 0.91 mm FTS
-024 = Flush Actuator
-050 = 2.7 mm FTS
Embossed Tape
(Option applicable to Styles J, G & S only –
Consult Factory. Omit for Tube packaging.)
G, J = 500 pcs./reel S = 200 pcs./reel
FMS = From Mounting Surface
FTS = From Top Surface
*”Fluorinert” is a registered trademark of 3M Co.
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.
REV 09/04