![](http://datasheet.mmic.net.cn/50000/7743J-1-016E_datasheet_1889861/7743J-1-016E_1.png)
7743 SMD 7 mm Square Sealed Coded Switch
Specifications are subject to change without notice.
7743J
1
2
8
4
RECOMMENDED PCB LAYOUT
C
7.16
(.282)
7.01
(.276)
TYP
2.54
(.10)
TYP
0.51
(.020)
2.79
(.110)
3.38
(.133)
7.24
(.285)
0.51
(.020)
TYP
2.54
(.10)
2.03
(.080)
TYP
0.76
(.030)
5.99 ± 0.25
(.236 ± .010)
5.08
(.200)
7743G
1
2
4
C
7.16
(.282)
7.01
(.276)
RECOMMENDED PCB LAYOUT
TYP
2.54
(.10)
2.03
(.080)
TYP
0.76
(.030)
8.31 ± 0.25
(.327 ± .010)
5.08
(.200)
TYP
2.54
(.10)
TYP
0.51
(.020)
2.79
(.110)
0.51
(.020)
3.38
(.133)
9.37
(.369)
TYP
1.07
(.042)
0.38 ± 0.10
(.015 ± .004)
7743H
1
2
4
C
7.16
(.282)
TYP
7.01
(.276)
2.54
(.10)
TYP
0.51
(.020)
3.18
(.125)
0.38 ± 0.10
(.015 ± .004)
8
8.56 +0.20/ -0.31
(.337 +.008/ -.012)
5.08
(.200)
0.20
(.007)
8
2.79
(.110)
0.51
(.020)
RECOMMENDED PCB LAYOUT
7.24
(.285)
TYP.
0.76
(.030)
TYP.
2.54
(.100)
Electrical Characteristics
Contact Rating
Maximum Current ...........100 mA max.
Maximum Voltage .........................16 V
Contact Resistance
..............................100 milliohms max.
Insulation Resistance .....1000 megohms
Dielectric Strength ....................250 volts
General Characteristics
Switch Type ..................................Binary
Operating Temperature Range
................................-55 °C to +125 °C
Storage Temperature Range
................................-55 °C to +125 °C
Seal Test .......................85 °C Fluorinert*
Mechanical Characteristics
Positions ................................8, 10 or 16
Adjustment Detent Torque
....................................... 0.2-2.0 N-cm
Environmental Characteristics
Shock ............................................100 G
0.1 ms. max. discontinuity
Vibration ..........................................30 G
0.1 ms. max. discontinuity
Thermal Shock (5 cycles)
................................-55 °C to +125 °C
Contact Resistance
.............................100 milliohms max.
Humidity
Insulation Resistance
................................10 megohms min.
Contact Resistance
..............................100 milliohms max.
Actuation Life .......................1,000 steps
Contact Resistance
..............................100 milliohms max.
Maximum Soldering Heat ...........245 °C,
.............................................5 seconds
Standard Packaging
Tube ......................J, G = 50 pcs./tube
H = 100 pcs./tube
Tape & Reel .....................250 pcs./reel
How to Order
7743 J - 1 - 008 E
Model
Terminal
Switch Type
1 = Standard
Number of Positions
008 = Binary coded octal
010 = Binary coded decimal
016 = Binary coded hexadecimal
Embossed Tape Option
(Omit letter for tube)
Product Dimensions
Features
Applications
■ 8,10 or 16 position coded switch
■ Signal/circuit select
■ Miniature industrial switch multi-position
■ Board address
■ Vertical adjust
■ Test equipment
■ Rugged surface mount design
■ Rugged lead frame construction
TOLERANCES: ±.2 EXCEPT WHERE NOTED.
DIMENSIONS:
"OFF" POSITION IS COMMON.
MM
(IN)