7744 SMD 4 mm Square Sealed Coded Switch
Specifications are subject to change without notice.
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 or 10
Adjustment Detent Torque
....................................... 0.1-2.5 N-cm
Environmental Characteristics
Shock ............................................100 G
...................0.1 ms. max. discontinuity
Vibration ..........................................20 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 .....................500 pcs./reel
7744J-10
8
4
RECOMMENDED PCB LAYOUT
7744J-8
4
TYP
2
1
4
RECOMMENDED PCB LAYOUT
1
2
C
N/C
C
N/C
7744G-8
4
2
1
4
2.70
RECOMMENDED PCB LAYOUT
1
2
C
N/C
C
N/C
7744G-10
4
8
TYP
5° MAX TYP.
48
4.80
(.189)
TYP
0.20
(.008)
2.55
(.100)
2.54
(.10)
TYP
0.05 ± 0.05
(.002 ± .002)
2.54
(.10)
1.27
(.050)
1.27
(.050)
0.41
(.016)
2.00
(.079)
1.00
(.039)
TYP
1.50
(.059)
TYP
0.71
(.028)
4.00
(.157)
5.00
(.197)
4.80
(.189)
4.50
(.177)
4.50
(.177)
5.00
(.197)
2.55
(.100)
2.54
(.10)
2.54
(.10)
1.27
(.050)
1.27
(.050)
TYP
0.41
(.016)
0.05 ± 0.05
(.002 ± .002)
TYP
0.20
(.008)
TYP
1.31
(.051)
TYP
0.71
(.028)
5.40
(.216)
1
2
C
4.80
(.189)
4.80
(.189)
4.50
(.177)
TYP
0.20
(.008)
2.55
(.100)
TYP
0.05 ± 0.05
(.002 ± .002)
2.54
(.10)
1.27
(.050)
2.00
(.079)
TYP
1.50
(.059)
TYP
0.71
(.028)
4.00
(.157)
TYP
2
1
C
2.54
(.10)
1.27
(.050)
0.41
(.016)
1.00
(.039)
4
8
1
2
C
5.00
(.197)
4.50
(.177)
5.00
(.197)
5° MAX TYP.
2.55
(.100)
0.05 ± 0.05
(.002 ± .002)
TYP
0.20
(.008)
2
1
C
2.54
(.10)
1.27
(.050)
TYP
0.41
(.016)
2.70
RECOMMENDED PCB LAYOUT
2.54
(.10)
1.27
(.050)
TYP
1.31
(.051)
TYP
0.71
(.028)
5.40
(.216)
2.55
(.100)
TYP
2.55
(.100)
6.20
(.244)
6.20
(.244)
How to Order
7744 J - 1 - 008 E
Model
Terminal
Switch Type
1 = Standard
Number of Positions
008 = Binary coded octal
010 = Binary coded decimal
Embossed Tape Option
(Omit letter for tube)
Features
Applications
■ 8 or 10 position coded switch
■ Board address
■ Miniature industrial switch multi-position
■ Instrumentation
■ Vertical adjust
■ Test equipment
■ Rugged surface mount design
■ Rugged lead frame construction
Product Dimensions
TOLERANCES: ±.2 EXCEPT WHERE NOTED.
DIMENSIONS:
"OFF" POSITION IS COMMON.
MM
(IN)