BOURNS 7914J-1-000E

*R
oH
S
CO
M
PL
IA
NT
Features
■ Compatible with most surface mount
■ Meets EIA/EIAJ/IPC/VRCI SMD standard
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*
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
7914H
Through-hole
7914J
J-Hook
4.50
(.177)
L
2
1
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)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
2.54
(.100)
4.50
(.177)
2
1
0.20 ± 0.10
(.008 ± .004)
6.20 ± 1.00
(.244 ± .039)
TYP.
0.76
(.030)
2.54
(.100)
2 PLCS.
5.00 +0.10/-0.15
(.197 +.004/-.006)
4.00
(.157)
RECOMMENDED PCB LAYOUT
2.54
(.100)
0.76
(.030)
TYP.
3.81
(.150)
1.78
(.070)
TYP.
0.80
(.031)
DIA.
5.00
(.197)
0.76
TYP.
(.030)
Physical Characteristics
- 1
2 +
- 1
- 1
2 +
- 1
2.54
2 PLCS.
(.100)
SPST N.O.
RECOMMENDED POLARITY
4.93
(.194)
4.50
(.177)
0.13 ± 0.05
(.005 ± .002)
L
4.50
(.177)
1
2.39
DIA.
(.094)
2
5.00
(.197)
2.54
(.100)
5.00
(.197)
2 +
SPST N.O.
RECOMMENDED POLARITY
0.76 ± 0.10
(.030 ± .004)
TYP.
0.28 ± 0.20
(.011 ± .008)
6.20
0.60
(.024) (.244)
TYP.
±5° TYP.
0.20 ± 0.08
(.008 ± .003)
DIA.
2.38
(.094)
B
0.76
(.030)
2.54
(.100)
1
5.44
(.214)
2
0.78
(.031)
0.2 ± 0.13
(.008 ± .005)
3.89
(.153)
0.89
(.035)
1.5
(.059)
RECOMMENDED PCB LAYOUT
0.38 ± 0.2
2.54
(.015 ± .008) (.100)
1.3 TYP.
(.051)
1.25 TYP.
(.049)
1.50
(.059)
5.50
(.216)
0.48 ± 0.2
(.019 ± .008)
- 1
2 +
- 1
MM
(INCHES)
5.18
(.204)
2.75
(.108)
2.86
(.113)
RECOMMENDED PCB LAYOUT
2.54
(.100)
1.27
(.050)
TYP.
1.27
(.050)
TYP.
DIMENSIONS:
5.00
(.197)
2.54
(.100)
2
1
2 +
7914S
Right Angle
7914G
Gull Wing
How to Order
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
2.17
(.085)
2.39
DIA.
(.094)
Mechanical Characteristics
7914 J - 1 - 000 E
L
5.00 2.39
(.197) (.094)
DIA.
2
1
0.20
(.008)
2
1
Actuator Force .........................300 ± 100 g
Pushover Strength (S Style)
............................. 2 kilograms minimum
Cycle life, loaded ......... 100,000 actuations
Contact resistance ......100 milliohms max.
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
5.00
(.197)
5.00
(.197)
4.50
(.177)
2.54
(.100)
1.23
(.048)
TYP.
2 +
2.33
(.092)
- 1
2 +
- 1
2 +
SPST N.O.
SPST N.O.
RECOMMENDED POLARITY
RECOMMENDED POLARITY
±0.2
(.008)
EXCEPT WHERE NOTED.
TOLERANCES:
*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.
7914 4 mm SMD & Through-hole Sealed Key Switch
Packaging Specifications
7914J
7914G
7914S
.30
MAX.
(.012)
4.3 ± .10
(.169 ± .004)
4.3 ± .10
(.169 ± .004)
5.50 ± 0.05
(.217 ± .002)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.00)
5.26 ± .10
(.207 ± .004)
2.00 ± .05
(.079 ± .002)
0
1.5
MIN
(.059)
5.3
(.209)
7.4 + 0.25/ -0.10
(.291 + .010/ - .004)
6.48 ± .10
(.255 ± .004)
4.00 ± .10
(.157 ± .004)
5.26 ± .10
(.207 ± .004)
6.0
(.236)
5.50 ± 0.05
(.217 ± .002)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.00)
4.00 ± .10
(.157 ± .004)
0.3 ± 0.05
(.012 ± .002)
.30
MAX.
(.012)
10.0
(.394) 4.0
(.157)
5.4
(.213)
5.26 ± .10
(.207 ± .004)
2.00 ± .05
(.079 ± .002)
2.0
(.079)
12.0
(.472)
0
8.00 ± .20
(.315 ± .008)
1.75 ± .10
(.069 ± .004)
12.00 ± .30
(.472 ± .012)
8.00 ± .20
(.315 ± .008)
7.5
(.295)
12.00 ± .30
(.472 ± .012)
1.5 ± .254
(.059 ± .010) EQUAL SPACED 3 PLCS.
13.0 ± .50
(.512 ± .020) DIA.
20.0
(.787) DIA.
1.75
(.069)
16.0 ± 0.3
(.630 ± .012)
1.75 ± .10
(.069 ± .004)
TAPE
1.5 + 0.1/0
(.059 + .004/0)
TAPE
16.0
DIA.
(.630)
1.5 ± .254
EQUAL SPACED 3 PLCS.
(.059 ± .010)
13.0 ± .50
(.512 ± .020) DIA.
177.8 ± 2.032
DIA.
(7.00 ± .080)
40.0
MIN. DIA.
(1.575)
ACCESS HOLE
AT SLOT LOCATION
20.0
(.787) DIA.
20.19
MIN. DIA.
(.795)
50.0
(1.969)
50.0
(1.969) MIN.
1.49
MIN. EQUAL SPACED 3 PLCS
(.059)
50.0
(1.969) MIN.
16.0
(.630)MIN.
200 pcs./reel
178 ± 2
(7.008 ± .079) DIA.
178 ± 2
(7.008 ± .079) DIA.
12.4
(.488)
REEL
12.4
(.488)
REEL
Reflow Soldering Profile
Meets EIA specification 481.
Meets EIA specification 481.
500 pcs./reel
275
500 pcs./reel
250 °C
7914J/G
7914H
2.82
(.111)
R .508 TYP
(.020)
R
.508
TYP
(.020)
4.69
(.185)
.508
TYP
(.020)
13º ± 2º 2 PLCS REF
R
5.66 ± .254
(.223 ± .010)
7.67
(.302)
R .762 MAX 2 PLCS
(.030)
DIMENSIONS:
8.64 ± .254
(.340 ± .010)
2.82
(.111)
MM
(INCHES)
50 pcs./tube
REV. 07/10
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
10-15
Sec.
80-90 Sec.
125 120 °C
75
30-40 Sec.
4.24
(.167)
.508 TYP
(.020)
1.78
(.070)
50 pcs./tube
180 °C
175
25
2.82 2 PLCS
(.111)
60º± 2º
.762
MAX TYP
(.030)
Temperature (°C)
225
2.54
(.100)
8.89 ± .254
(.350 ± .010)
0
20
40
60
35-60
Sec.
80 100 120 140 160 180 200
Time (Seconds)