PIANO SWITCHES (HALF PITCH)
CHP
FEATURES
ORoHScompliant
OHigh-reliability
Part name
Cover
Slider
Housing
Slider contact
Fixed contact
Terminal pin
Piano lever
Piano cover
Material
Flammability
UL94V-0
UL94V-0
Polyphenylenesulphide
Polyamide
Polyphenylenesulphide
Copper alloy, Gold-plated
Polyamide
Polyphenylenesulphide
INTERNAL STRUCTURE
PART NUMBER DESIGNATION
Please refer to the LIST OF PART NUMBERS when placing orders.
OCommunicationdevices,AVOAequipmentand
computerperipherals
C H P - 0 4 0 T B
Series name
No. of bits
02
2 bits
04
4 bits
08
8 bits
包装形態 
Form of packaging
T
Taping (Reel)
Blank
Bulk in plastic bag
A
J-hook
B
Gull wing
Shape of terminal
ON direction
0
Upper
1
Lower
APPLICATIONS
RoHS compliant
B(Gull wing
CHP
PIANO SWITCHES (HALF PITCH)
LIST OF PART NUMBERS
※Verify the above part numbers when placing orders.
Taping version can be supplied only in reel units.
No. of bits ON direction
2
Upper
Lower
Upper
Lower
Upper
Lower
4
8
Form of packaging Pieces in package
Taping
Plastic bag
Taping
Plastic bag
Taping
Plastic bag
Taping
Plastic bag
Taping
Plastic bag
Taping
Plastic bag
CHP-020TA CHP-020TB 500 pcs./reel
CHP-020A CHP-020B 50 pcs./pack
CHP-021TA CHP-021TB 500 pcs./reel
CHP-021A CHP-021B 50 pcs./pack
CHP-040TA CHP-040TB 500 pcs./reel
CHP-040A CHP-040B 50 pcs./pack
CHP-041TA CHP-041TB 500 pcs./reel
CHP-041A CHP-041B 50 pcs./pack
CHP-080TA CHP-080TB 500 pcs./reel
CHP-080A CHP-080B 50 pcs./pack
CHP-081TA CHP-081TB 500 pcs./reel
CHP-081A CHP-081B 50 pcs./pack
AJ-hook
Shape of terminals
STANDARD SPECIFICATIONS
Operating temp. range
Storage temp. range
Sealing
Net weight
40 ~ 85 °C
Non-washable
Approx. 0.16 g (CHP-02), Approx. 0.25 g (CHP-04),
Approx. 0.43 g (CHP-08)
Operation angle
Operation force
Stop strength
Solderability
Soldering heat
Shear (Adhesion)
Substrate bending
Pull-off strength
22 °
5 N {0.51 kgf} maximum
10 N {1.02 kgf} 60 s
245 ± 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
Width 90 mm, bend 3 mm, 5 s, 1 time
5 N {0.51 kgf} 10 s
MECHANICAL CHARACTERISTICS
Contact resistance
Insulation resistance
Dielectric strength
Contact rating
Non-switching
Switching
Minimum
DC50 V 100 mA
DC6 V, 100 mA DC24 V, 25 mA
DC20 mV 1 μA
50 mΩ maximum
1000 MΩ (DC100 V) minimum
AC500 V, 60 s
Vibration
Shock
Load life
Humidity
High temp. exposure
Low temp. exposure
Thermal shock
Amplitude 1.5 mm or Acceleration 98 m/s2,
10-500 Hz, 3 directions for 10 cycles each
490 m/s2, 11 ms
6 directions for 3 times each
Continuous load 1000 cycles,
DC6 ± 0.5 V, 100 ± 10 mA
10 ~ 65 °C, Relative humidity 0 ~ 96 %,
24 h for 10 cycles
85 °C, 96 h
40 °C, 96 h
40 (0.5 h) ~ 85 °C (0.5 h), 5 cycles
ELECTRICAL CHARACTERISTICS
ENVIRONMENTAL CHARACTERISTICS
{ } : Reference only
Reflow255 °C (Peak temperature)
Please refer to the profile below
Manual soldering
350 ± 10 °C, 3 ~ 4 s
CHP
PIANO SWITCHES (HALF PITCH)
OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
OCHP-020A OCHP-021A
OCHP-020B
4.6
0.8
1.27±0.15 1.65±0.2
0.6
22
Producion date code Schematic
0.15 +0.1
–0.05
0.4 +0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
4.6
0.8
1.27±0.15 1.65±0.2
0.6
22
Producion date code Schematic
0.15 +0.1
–0.05
0.4 +0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
4.6
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15
0.6
+0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
4.6
0
.1±0.1
0.4 min
0.4 min
Schematic
4.6
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15
0.6
+0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
4.6
0
.1±0.1
0.4 min
0.4 min
Schematic
OCHP-021B
Reflow profile for soldering heat evaluation
Reflow : two times maximum
Peak : 250
Over 230
Pre Heating Zone
180 C
()
250
200
150
100
50
150 C
90±30 s
30±10 s
Soldering Zone
Heating time
Temperature
+5
0
7.1
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15 +0.1
–0.05
0.4
0.6
+0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
Schematic
7.1
0.8
1.27±0.15 1.65±0.2
0.6
22
Producion date code
0.15 +0.1
–0.05
0.4 +0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
Schematic
7.1
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15
0.6
+0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
4.6
0
.1±0.1
0.4 min
0.4 min
Schematic
7.1
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15
0.6
+0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
4.6
0
.1±0.1
0.4 min
0.4 min
Schematic
12.2
0.8
1.27±0.15 1.65±0.2
0.6
22
Producion date code
0.15 +0.1
–0.05
0.4 +0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
Schematic
12.2
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15 +0.1
–0.05
0.4
0.6
+0.1
–0.05
5.6 +0.3
0
5.9
0.75
4.6
0.1±0.1
3.8
Schematic
CHP
PIANO SWITCHES (HALF PITCH)
OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
OCHP-040AOCHP-041A
OCHP-040B OCHP-041B
OCHP-080A OCHP-081A
1.27
0.76
5.08
1.6
1.27 N (N = 1 ~ 3) = 3.81
0.76
5.08
1.6
1.27 N (N = 1 ~ 7) = 8.89
0.76
5.08
1.6
1.27
0.76
7.62
1.27
1.27 N (N = 1 ~ 3) = 3.81
0.76
7.62
1.27
1.27 N (N = 1 ~ 7) = 8.89
0.76
7.62
1.27
12.2
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15 +0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
0.6
4.6
0.1±0.1
0.4 min
0.4 min
Schematic
12.2
0.8
1.27±0.15 1.65±0.2
22
Producion date code
0.15
0.6
+0.1
–0.05
0.4 +0.1
–0.05
8
5.9
0.75
4.6
0.1±0.1
0.4 min
0.4 min
Schematic
OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
OCHP-080B OCHP-081B
RECOMMENDED P.C.B. PAD DIMENSIONS
O2 bits A type B type
O4 bits A type B type
O8 bits A type B type
CHP
PIANO SWITCHES (HALF PITCH)
O2 bits O4 bits
O8 bits
CHP
PIANO SWITCHES (HALF PITCH)
PACKAGING SPECIFICATIONS
Maximumnumberofconsecutivemissingpieces=2
Leaderlengthandreeldimensionareshowninthe
diagramsbelow:
<Taping packaging specifications>
OTapingversionispackagedin500pcs.perreel.Orders
willbe accepted for units of 500 pcs., i.e., 500, 1000,
1500pcs.,etc.
OTapingversionisboxedwithtworeels.
OEmbossed tape dimensions OReel dimensions (Unit: mm)
(Conforms to JIS C 0806-3)
(In accordance with EIAJ ET-7200A)
40 mm min. 20 pitches min.
400 mm min.
Direction of feed
End Head
Empty
Filled
Empty
21±0.8
50 min. (2, 4 bits)
100±1 (8 bits)
13±0.2
2±0.5
254±2
21.4±1 (2, 4 bits)
29.4±1 (8 bits)
17.4±1 (2, 4 bits)
25.4±1 (8 bits)
φ
φ
φ
φ
φ
(Unit : mm)
Direction of feed
0.4±0.1
Installation example
5.3
7.5±0.1
4±0.1
12±0.1
φ
1.5
+0.1
0
1.75±0.1
(CHP-021B)
16
2±0.1
Direction of feed
0.4±0.1
Installation example
5.3
11.5±0.1
4±0.1
12±0.1
φ
1.5
+0.1
0
1.75±0.1
(CHP-081B)
24
2±0.1
Direction of feed
0.4±0.1
Installation example
5.3
7.5±0.1
4±0.1
12±0.1
φ
1.5
+0.1
0
1.75±0.1
(CHP-041A)
16
2±0.1
Bulk pack specifications
OThesmallestunitofbulkpackinaplasticbagis10pcs.
perpack. Orderswillbeacceptedforunitofminimum
10pcs.,i.e.,10,20,30pcs.,etc.
O Boxing of bulk in a plastic bag is performed with 50
pcs.(Standard100pcs.)perbox.