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6mm Process Sealed SMT Tactiles
Series CB3
Distinctive Characteristics
Sealed construction prevents contact contamination and allows automated soldering and cleaning. .244" (6.2mm) square body allows compact mounting. Heat tolerant resin used for actuator and base meets UL flammability rating of 94V-0 and maintains switch reliability through vapor phase and infrared convection reflow soldering. Dome contact gives crisp tactile feedback to positively indicate circuit transfer and assures high reliability and long life - more than 100,000 operations. Gull-winged terminals ensure mechanical stability during soldering and simplify solder joint inspection. Insert molded terminals lock out flux, solvents, and other contaminants. Packaged in tape-reel or partitioned tray. Tape-reel packaging meets EIA-481-2 Standard. Coplanarity: all considered surfaces must lie between two parallel planes that are a maximum distance apart of .0059" (0.15mm). (Additional coplanarity details in Terms and Acronyms in the Supplement section.)
Actual Size
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
6mm Process Sealed SMT Tactiles
Series CB3
General Specifications
Electrical Capacity (Resistive Load)
Low Level: 50mA @ 24V DC maximum
Other Ratings
Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Total Travel:
100 milliohms maximum 100 megohms minimum @ 250V DC 250V AC minimum between contacts & between contacts & case for 1 minute minimum 100,000 operations minimum 100,000 operations minimum 1.57N .010" (.250mm)
Materials & Finishes
Actuator: Case: Seal: Base: Movable Contacts: Stationary Contacts: Terminals:
Glass fiber reinforced polyamide (UL94V-0) Stainless steel Polytetrafluoroethylene Polyphthalamide (UL94V-0) Beryllium copper with silver plating Brass with silver plating Brass with silver plating
Environmental Data
Operating Temperature Range: Humidity: Vibration: Shock:
-25C through +70C (-13F through +158F) 90 ~ 95% humidity for 96 hours @ 40C (104F) 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours 50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Processing
Soldering: Cleaning:
Reflow Soldering Recommended. See Profile A in Supplement section. Manual Soldering: See Profile A in Supplement section. Automated cleaning. See Cleaning Specifications in Supplement section.
Standards & Certifications
Flammability Standards: UL Recognition or CSA Certification:
UL94V-0 actuator & base The CB3 Series tactiles have not been tested for UL recognition or CSA certification. These switches are designed for use in a low-voltage, low-current, logic-level circuit. When used as intended in a logic-level circuit, the results do not produce hazardous energy.
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
6mm Process Sealed SMT Tactiles
TYPICAL SWITCH ORDERING EXAMPLE
Series CB3
CB3
15
F
P
PACKAGING
POLE & CIRCUIT
15 SPST OFF (ON) F
ACTUATOR
Flat Button
TERMINALS
P Gull Wing for Upright Mount
R No Code
Tape-Reel 1,000 Pieces/Reel Partitioned Tray
( ) = Momentary
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
CB315FP
Flat Button Gull Wing Terminals for Upright Mount
SPST OFF-(ON) Circuit
POLE & CIRCUIT
Actuator Position ( ) = Momentary Normal Pole SP Model CB315 OFF (ON) Down
1 3 4
Switch Throw & Schematic
SPST
2
Note: Terminal numbers are not actually on switch.
TYPICAL SWITCH DIMENSIONS
Single Pole * Single Throw
(3.0) Dia .118 (6.2) .244 (4.35) Dia .171 (0.65) .026
2 4
(0.3) Typ .012
(1.7) Typ .067
1 3 3 1
(9.0) .354
4 2
(8.9) .350 (1.4) Typ .056
(6.2) .244
(3.1) .122
(4.0) .157
(0.7) Typ .028
(4.0) .157
CB315FP NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 03-07
6mm Process Sealed SMT Tactiles
PACKAGING R
Tape-Reel (packaged to EIA-481-2 standard)
Switches must be ordered in 1,000-piece increments when tape-reel packaging is selected.
Series CB3
No Code
Partitioned Tray
If less than 1,000 pieces are ordered, the switches are packaged in a partitioned tray. No code is required.
Tape-Reel Dimensions & Specifications
Each tape-reel of 1,050 pockets contains 1,000 switches Minimum Leader Length: 16.54" (420mm) Minimum Trailer Length: 7.09" (180mm)
(2.0) Typ .079 (1.75) .069 (13.0) Dia .512 (2.0) Typ .079 Overall Dia (330.0) 13.0
(78.49) Dia 3.090
(12.0) Typ .472
(4.0) Typ .157 (6.7) Typ .264
(1.5) Dia Typ .059
(3.4) .134 (3.8) .150
(7.5) (16.0) .295 .630
(9.4) .370 (0.4) .016
(21.0) Dia .827
(2.0) .079
Direction of Feed
(16.4) .646
KEYBOARD MATRIX
Common Bus Matrix
5 1 2 9 3 13
X-Y Matrix
1 2 3 1 4 5 6 2 7 8
4 4 7 3
5
6
6 11 8 12
8
9
9 6
A 1 2
0
B
A
0
B 7
= ON
5 4 3
7
Blue = PCB Trace, Black = Switch Circuit These single pole, single throw switches can be used in a keyboard matrix and, using strapped terminals, achieve a common bus electrical configuration on a single-sided PC board.
Blue = PCB Trace, Black = Switch Circuit These single pole, single throw switches can be arranged on a single-sided PC board matrix with strapped terminals to achieve an X-Y type electrical interconnection.
03-07
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Keys (Switches)
10
1 2 3 4 5 6 7 8 9 0 A B
P C Te r m i n a t i o n s 1 2 3 4 5 6 7 8 9 10 11 12 13
P C Te rminations 1 234 567 1 2 3 4 5 6 7 8 9 0 A B = ON
Keys (Switches)

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