7914_10 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – SMD & Through-hole Sealed Key Switch

*RoHS ^COMPLIANT
Features
■ Compatible with most surface mount
soldering processes
■ Compatible with popular vacuum pick-and
place equipment
■ J-hook, gull-wing & pinned configurations
■ Sealed for board washing
■ Meets EIA/EIAJ/IPC/VRCI SMD standard
outlne dimensions
■ Top or side actuated
■ RoHS compliant*
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
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
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.
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
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
Product Dimensions
7914J
J-Hook
4.50
(.177)
12
12
L
4.50 _5.00
(.177) _(.197)
2.39
(.094)
DIA.
2.54
(.100)
1.23
(.048)
TYP.
0.20
(.008)
5.00
(.197)
2.54
(.100)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
1.78
(.070)
TYP.
3.81
(.150)
0.76
(.030)
TYP.
-1
2+
7914G
Gull Wing
4.50
(.177)
12
4.93
(.194)
-1
2+
SPST N.O.
RECOMMENDED POLARITY
L
2.54
(.100)
12
4.50
(.177)
2.39 _DIA.
(.094)
5.00
(.197)
0.28 ± 0.20
(.011 ± .008)
0.60 ^6.20
(.024) ^(.244)
TYP.
±5° TYP.
0.20 ± 0.08
(.008 ± .003)
2.54
(.100)
5.00
(.197)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
1.27
(.050)
TYP.
5.50
(.216)
0.76 ± 0.10
(.030 ± .004)
TYP.
-1
2+
-1
2+
SPST N.O.
RECOMMENDED POLARITY
DIMENSIONS:
MM
(INCHES)
TOLERANCES:
±0.2
(.008)
EXCEPT WHERE NOTED.
7914H
Through-hole
4.50
(.177)
12
5.00
(.197)
5.00 2.39
(.197) (.094)
DIA.
4.50
(.177)
L
2.17
(.085)
0.20 ± 0.10
(.008 ± .004)
12
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
2+
2.54
(.100)
2
PLCS.
-1
2+
SPST N.O.
RECOMMENDED POLARITY
7914S
Right Angle
0.13 ± 0.05
(.005 ± .002)
5.00
(.197)
2.86
(.113)
5.18
(.204)
2.75
(.108)
DIA.
2.38
B
(.094)
5.44
(.214)
0.76
(.030)
2.54
(.100)
1
2
0.2 ± 0.13
(.008 ± .005)
0.78
(.031)
3.89
(.153)
0.89
(.035)
1.5
(.059)
RECOMMENDED PCB LAYOUT
0.38 ± 0.2 2.54
(.015 ± .008) (.100)
1.50
(.059)
1.3 _TYP.
(.051)
1.25 _TYP.
(.049)
0.48 ± 0.2
(.019 ± .008)
-1
2.33
(.092)
2+
-1
2+
SPST N.O.
RECOMMENDED POLARITY
*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.