7743

Features
■
■
■
■
■
Applications
8,10 or 16 position coded switch
Miniature industrial switch multi-position
Vertical adjust
Rugged surface mount design
Rugged lead frame construction
Signal/circuit select
■ Board address
■ Test equipment
■
7743 SMD 7 mm Square Sealed Coded Switch
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
Product Dimensions
7743G
7743J
7.16
(.282)
7.16
(.282)
1
C
3.38
(.133)
2
7.01
(.276)
8
1
7.24
(.285)
1.07 TYP
(.042)
2
0.51
(.020)
4
2.54 TYP
(.10)
0.38 ± 0.10
(.015 ± .004)
4
8
2.54 TYP
(.10)
0.51
(.020)
2.79
(.110)
0.51 TYP
(.020)
2.79
(.110)
0.51 TYP
(.020)
RECOMMENDED PCB LAYOUT
2.54
(.10)
RECOMMENDED PCB LAYOUT
5.08
(.200)
5.08
(.200)
2.03
TYP
(.080)
2.54
(.10)
5.99 ± 0.25
(.236 ± .010)
8.31 ± 0.25
(.327 ± .010)
0.76
TYP
(.030)
0.76
TYP
(.030)
7743H
7.16
(.282)
1
C
5.08
(.200)
2
7.01
(.276)
3.18
(.125)
8.56 +0.20/ -0.31
(.337 +.008/ -.012)
0.20
(.007)
4
8
7743 J - 1 - 008 E
2.54 TYP
(.10)
0.38 ± 0.10
(.015 ± .004)
RECOMMENDED PCB LAYOUT
0.51
(.020)
Terminal
2.54
TYP.
(.100)
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)
Specifications are subject to change without notice.
7.24
(.285)
0.51 TYP
(.020)
3.38
(.133)
9.37
(.369)
7.01
(.276)
How to Order
Model
C
2.79
(.110)
TOLERANCES: ±.2 EXCEPT WHERE NOTED.
MM
DIMENSIONS:
(IN)
"OFF" POSITION IS COMMON.
0.76
TYP.
(.030)
2.03
TYP
(.080)
7743 SMD 7 mm Square Sealed Coded Switch
Binary (REAL) Code
Packaging Specifications
7743 J&G
7743 J
.40 MAX.
(.016)
3.60 ± .10
(.141 ± .004)
8.03
(.316)
4.09
(.161)
0.51
(.020)
7.50 ± 0.5
(.295 ± .020)
1.5 + .10/ –.00 DIA.
(.059 + .004.–.00)
2.54
(.10)
7.60 ± .10
(.299 ± .004)
4.00 ± .10
(.157 ± .004)
8 POSITIONS
(Binary Coded Octal)
10.16
(.40)
0.64
(.025)
2.31
(.091)
R 0.51 TYP.
TUBE LENGTH - 384MM.
UNITS PACKAGED 50 PIECES PER TUBE.
7.40 ± .10
(.291 ± .004)
2.00 ± .05
(.079 ± .002)
12.00 ± .20
(.472 ± .007)
10.16
(.40)
8.03
(.316)
4.09
(.161)
0.51
(.020)
1.75 ± .10
(.069 ± .004)
2.54
(.10)
16.00 ± .30
(.630 ± .012)
1.78 ± .254
(.070 ± .010) EQUAL SPACED 3 PLCS.
21.01 ± .787
(.827 ± .031) DIA.
2.67 ± .254
(.105 ± .010)
13.0 ± .508
(.512 ± .020) DIA.
7743 H
8.18 ± .254
(.322 ± .010)
59.18 ± 2
(2.330 ± .079)
REEL
16.4 + 2.01/ -.000
(.645 + .079/-.000)
Meets EIA 481
Reflow Soldering Profile
4
X
X
X
X
X
X
12.7 ± .254
(.500 ± .010)
3.81
(.150)
1
0
1
2
3
4
5
6
7
8
9
X
X
X
X
X
X
C
X
X
X
X
X
X
X
X
3.68 ± .254
(.145 ± .010)
TUBE LENGTH - 525MM.
UNITS PACKAGED 100 PIECES PER TUBE.
2
4
8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S
NC
NC
NC
NC
NC
NC
NC
NC
C
X
X
X
X
X
X
X
X
X
X
16 POSITIONS
(Binary Coded
Hexadecimal)
1
.51 ± .127
(.020 ± .005)
180.0 ± 5 DIA.
(7.087 ± .197)
2.31
(.091)
R 0.51 TYP.
TUBE LENGTH - 384MM.
UNITS PACKAGED 50 PIECES PER TUBE.
TAPE
2
10 POSITIONS
(Binary Coded
Decimal)
7743 G
0.64
(.025)
1
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
2
4
8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
275
240 °C
Temperature (°C)
225
175
10-15
Sec.
80-90 Sec.
125 120 °C
75
30-40 Sec.
25
X = Connection
180 °C
0
20
40
60
35-60
Sec.
80 100 120 140 160 180 200
Time (Seconds)
REV. 10/02
Specifications are subject to change without notice.
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