Tactile Switches
Standard 12 x 12 mm Tactile Switches
Square Stem
TP4 Series
5±0.10
12.50±0.10
Ø 1.20±0.05
CIRCUIT DIAGRAM
3.8
3.0
0.50 MAX
0.5 MAX
Ø7.10
1.70
Ø7.10
3.50
1.80
-0.5
+0
1.80
-0.5
0.3
0
0.3
3.50
4.30
H
7.30
0
5
3.50±0.50
P.C.B. LAYOUT
12.50±0.50
13.90±0.50
3.50±0.50
+0
12.50±0.50
13.90±0.50
Round Stem
Square Stem for Caps
Round Stem
Square Stem
Round Stem
12
1.0
Square Stem
TP4H
THT Terminals
15.50
0.50 MAX
0.50 MAX
Ø7.10
12.40
1.70
1.60
5.0
CIRCUIT DIAGRAM
Ø7.10
7.30
4.30
3.50
4.30
3.50
1.0
5.0
P.C.B. LAYOUT
3.8
3.0
0.10±0.10
15.0
0.10±0.10
0°~10°
0°~10°
15.0
Round Stem
Square Stem for Caps
TP4S
SMT Terminals
R 1.0
1.50
4.0
12
Round Stem
Round Stem
Square Stem
Ø 11.5±0.15
R 1.0
12±0.15
0.70±0.10
3.80±0.10
10±0.15
R 0.5
1°
1.50
2.0
5.70±0.10
Ø13±0.15
Ø10±0.15
0.70±0.10
3.80±0.10
4 x R1.0
2.0
3.20±0.10
3.80±0.10
2.0
3.20±0.10
K12S
Square Caps
K12R
Round Caps
3.80±0.10
How to order:
1
2
3
4
5
6
General Specifications:
TP4
1
+
7
(Caps)
8
MATERIALS
» Contact Disc: Phosphor Bronze with silver cladding
» Terminal: Brass with silver plated
MECHANICAL
» Stroke: 0.35 ± 0.1 mm
» Operation Temperature: -25°C to +70°C
» Storage Temperature: -30°C to +80°C
ELECTRICAL
» Electrical Life:
Phosphor Bronze Dome:
100,000 cycles for 520gf, 320gf & 260gf
200,000 cycles for 160gf
Stainless Steel Dome:
500,000 cycles for 260gf
1,000,000 cycles for 160gf
» Rating: 50mA, 12VDC
» Contact Arrangement: 1 pole 1 throw
LEADFREE SOLDERING PROCESSES
» Wave Soldering: Recommended solder temperature
at 260°C max. 5 seconds subject to PCB 1.6mm
thickness (for THT).
» Reflow Soldering: When applying reflow soldering,
the peak temperature or the reflow oven should be
set to 260°C max. 10 seconds (for SMT).
H
S
2
No Code
TYPE OF TERMINALS:
THT
SMT
POST (TP4H only)
Without Post
With Post
6
BK
TB
TR
PACKAGE STYLE:
Bulk Pack (TP4H Only)
Tube
Tape & Reel (TP4S Only)
Optional:
P
3
DIMENSION “H“:
1
H=4.3mm (Round Stem)
4
H=7.3mm (Square Stem 3.8mm)
5
H=8.5mm (Round Stem)
Individual stem heights available by request
4
7
K12S
K12R
8
CAP TYPE
(Only for Square Stems):
Square Caps
Round Caps
COLOR OF CAPS:
Black
Ivory
Red
Yellow
Green
Blue
Gray
Salmon
K
C
J
E
5
STEM COLOR & OPERATING FORCE:
Brown & 160±50gf
Red & 260±50gf
Salmon & 320±80gf
Yellow & 520±130gf
MATERIALS OF DOME:
Phosphor Bronze Dome
Stainless Steel Dome
(Only for 160gf & 260gf)
N
S
A
B
C
E
F
G
H
S
General Tolerance: ± 0.2 mm
sales@greatecs.com
www.greatecs.com
E04
Tactile Switches
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