PL
IA
NT
Features
■
Compatible with most surface mount
■
Meets EIA/EIAJ/IPC/VRCI SMD standard
CO
M
soldering processes
■
Compatible with popular vacuum pick-and
place equipment
■
J-hook, gull-wing & pinned configurations
■
Sealed for board washing
outlne dimensions
■
Top or side actuated
■
RoHS compliant*
*R
oH
S
7914 4 mm SMD & Through-hole Sealed Key Switch
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
Product Dimensions
7914J
J-Hook
4.50
(.177)
L
2.54
(.100)
1.23
(.048)
TYP.
0.20
(.008)
2.39
DIA.
(.094)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
3.81
(.150)
7914H
Through-hole
4.50
(.177)
5.00
(.197)
L
1
2
1
2
5.00 2.39
(.197) (.094)
DIA.
4.50
(.177)
2.17
(.085)
General Characteristics
Switch Type .........................Normally open
Operating Temperature Range
................................... -55 °C to +125 °C
Storage Temperature Range
................................... -55 °C to +125 °C
Seal Test ..........................85 °C Fluorinert†
Vibration ............................................. 20 G
Shock ............................................... 100 G
4.50
(.177)
5.00
(.197)
0.20 ± 0.10
(.008 ± .004)
1
2
1
2
5.00
(.197)
Mechanical Characteristics
Actuator Force .........................300 ± 100 g
Pushover Strength (S Style)
............................. 2 kilograms minimum
Cycle life, loaded ......... 100,000 actuations
Contact resistance ......100 milliohms max.
2.54
(.100)
6.20 ± 1.00
(.244 ± .039)
TYP.
0.76
(.030)
2.54
(.100)
2 PLCS.
0.76
(.030)
TYP.
5.00 +0.10/-0.15
(.197 +.004/-.006)
4.00
(.157)
RECOMMENDED PCB LAYOUT
2.54
(.100)
5.00
(.197)
0.80
(.031)
DIA.
1.78
(.070)
TYP.
0.76
TYP.
(.030)
-
1
-
1
Physical Characteristics
Cover Material .....................Stainless steel
Base Material....... Thermoplastic, UL94V-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
H .........................................50 pcs./tube
2
+
2
+
-
1
2.54
2 PLCS.
(.100)
-
1
2
+
2
+
SPST N.O.
RECOMMENDED POLARITY
SPST N.O.
RECOMMENDED POLARITY
7914G
Gull Wing
4.50
(.177)
4.93
(.194)
L
2.54
(.100)
7914S
Right Angle
0.13
±
0.05
(.005
±
.002)
5.18
(.204)
2.75
(.108)
DIA.
2.38
(.094)
1
2
5.00
(.197)
2.86
(.113)
B
4.50
(.177)
How to Order
7914 J - 1 - 000 E
Model
Terminal
J = J-Hook H = Through-hole
G = Gull Wing S = Right Angle
Switch Type
1 = N.O. Au Contacts
Product Code for Button Height
“L” (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 (Tube packaging only)
“B” (For Style S)
000 = 1.68 mm FTS
032 = 0.91 mm FTS
024 = Flush Actuator
050 = 2.7 mm FTS (Tape & Reel packaging
only)
Embossed Tape
(Option applicable to Styles J, G and S only -
Consult factory. Omit for Style J & G tube
packaging.)
G, J = 500 pcs./reel S = 200 pcs./reel
FMS = From Mounting Surface
FTS = From Top Surface
1
2
2.39
DIA.
(.094)
5.00
(.197)
5.00
(.197)
0.28
±
0.20
(.011
±
.008)
6.20
0.60
(.024) (.244)
TYP.
±5° TYP.
0.20
±
0.08
(.008
±
.003)
5.44
(.214)
0.76
(.030)
2.54
(.100)
1
2
0.78
(.031)
0.2
±
0.13
(.008
±
.005)
3.89
(.153)
0.89
(.035)
1.5
(.059)
2.54
(.100)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
5.50
(.216)
RECOMMENDED PCB LAYOUT
1.3 TYP.
(.051)
1.25
TYP.
(.049)
0.38
±
0.2
2.54
(.015
±
.008)
(.100)
1.50
(.059)
1.27
(.050)
TYP.
0.76 ± 0.10
(.030 ± .004)
TYP.
-
1
-
1
0.48
±
0.2
(.019
±
.008)
2
+
2
+
2.33
(.092)
-
1
-
1
2
+
2
+
SPST N.O.
RECOMMENDED POLARITY
SPST N.O.
RECOMMENDED POLARITY
MM
DIMENSIONS:
(INCHES)
±0.2
TOLERANCES:
(.008)
EXCEPT WHERE NOTED.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
