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Low Profile Pushbuttons
Series UB
Distinctive Characteristics
Bright or super bright LEDs (an integral part of the switch) of red, amber, green, blue, or white, in full face or spot illumination plus square or rectangular models. Combination of PCB mountability and short body allows use in compact applications.
Small behind panel dimension for snap-in mounting in tight spaces.
Snap-acting contact mechanism provides sensitive actuation with audible feedback; quick-make, quick-break characteristic limits arcing and prolongs electrical life.
Latchdown mechanism, independent of switching mechanism, gives visible and tactile indication of circuit status.
Terminals are epoxy sealed to lock out flux, solvents, and other contaminants.
Momentary and alternate action circuits available in the same space-saving body size.
Nonilluminated models available and shown in Pushbutton section.
Actual Size
Matching indicators available and shown at the end of Section M.
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
Series UB
General Specifications
Electrical Capacity (Resistive Load)
Power Level (code W): Logic Level (code G): 5A @ 125/250V AC or 5A @ 30V DC 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) Note: Find additional explanation of operating range in Supplement section.
Other Ratings
Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life:
Nominal Operating Force: Contact Timing: Travel:
50 milliohms maximum for silver; 100 milliohms maximum for gold 200 megohms minimum @ 500V DC 1,000V AC minimum between contacts for 1 minute minimum; 1,500V AC minimum between contacts & case for 1 minute minimum 1,000,000 operations minimum for momentary; 200,000 operations minimum for alternate action 10,000 operations minimum for silver; 100,000 operations minimum for silver with resistive load of 3A @ 125V AC 200,000 operations minimum for gold Single Pole: 1.9N for Square & 1.9N for Rectangular Double Pole: 2.55N for Square & 3.1N for Rectangular Break before make Pretravel .067" (1.7mm); Overtravel .024" (0.6mm); Total Travel .091" (2.3mm)
Materials & Finishes
Housing/Bezel: Snap-in Frame: Movable Contactor: Movable Contacts: Stationary Contacts: Switch Terminals: Lamp Terminals: Base:
Glass fiber reinforced polyamide (UL94V-0) Stainless steel Phosphor bronze Silver alloy or copper with gold plating Silver alloy or copper with gold plating Phosphor bronze with silver or gold plating Brass with silver plating Glass fiber reinforced liquid crystal polymer (UL94V-0)
Environmental Data
Operating Temp Range: Humidity: Vibration: Shock:
-25C through +50C (-13F through +122F) 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)
Installation
Cap Installation Force: Soldering Time & Temp: Cleaning:
7.55N (1.70 lbf) maximum downward force on cap Wave Soldering (PC version): See Profile A in Supplement section. Manual Soldering: See Profile A in Supplement section. These devices are not process sealed. Hand clean locally using alcohol based solution.
Standards & Certifications
Flammability Standards: UL & C-UL Recognized:
R
CSA Certified:
UL94V-0 housing/bezel & base All single & double pole models recognized at 5A @ 125/250V AC or 0.014A @ 28V DC; UL File No. WOYR2.E44145; add "/U" to end of part number to order UL mark on switch. C-UL File No. WOYR8.E44145; add "/C-UL" to end of part number to order C-UL mark on switch All single & double pole models certified at 5A @ 125/250V AC or 5A @ 30V DC or 0.4VA maximum @ 28V AC/DC maximum; CSA File No. 023535-0-000; add "/C" to end of part number to order CSA mark on switch.
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Series UB CC
UB
POLES
1 2 SPDT DPDT
1
5
SK
G
03
5C
CAP TYPES & COLORS
Full Face Illuminated Cap for Bright LED Lens/Diffuser Colors CB Red/White Red/Clear FF * FJ JB Green/Green Green/Clear Clear/White CC Red/Red
CIRCUITS
5 6 ON ON (ON) ON ( ) = Momentary Alternate Action with Latchdown
CONTACTS & RATINGS
W G Silver Rated 5A @ 125/250V AC Gold Rated 0.4VA max @ 28V AC/DC max
LEDS
Bright LED 5C 5D 5F Red Amber Green
* CJ
DB Amber/White DD Amber/Amber * DJ FB Amber/Clear Green/White
JC Clear/Red JD Clear/Amber JF * JJ Clear/Green Clear/Clear
* Not available with Rectangular cap Full Face Illuminated Cap for Super Bright LED JB Clear Lens/White Diffuser For Square only; see cap detail page Spot Illuminated Cap for Bright & Super Bright LEDs AB Black with White Window Rectangular available for Bright only
Super Bright LED
MOUNTING TYPES
PCB Mounting SK RK KK NK NBK Square Rectangular Square Rectangular Rectangular with Side Barriers
6B
White Green Blue
TERMINALS
Solder Lug (for 01 Snap-in Mounting) 03 Straight PC
6F 6G
* Snap-in Mounting
Available with Square only
* Standard with Solder Lug terminals
IMPORTANT:
Switches are supplied without UL, C-UL, & CSA markings unless specified. Specific models & ratings noted on General Specifications page.
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
UB15SKG035C-CC
Red, Bright LED and Red Lens with Red Diffuser SPDT ON-(ON) Circuit Square with PCB Mounting Straight PC Terminals
Gold Contacts with 0.4VA Rating
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
POLES & CIRCUITS
Plunger Position ( ) = Momentary Normal Pole SP DP Model UB15 *UB16 UB25 *UB26 ON ON ON ON (ON) ON (ON) ON 1-3 1-3 4-6 1-2 1-2 4-5 SPDT
3 1 COM NO 6
Series UB
Connected Terminals Normal Down Notes:
Throw & Switch/Lamp Schematics Switch is marked with NC, NO, COM, L+ & L-. Lamp circuit is isolated and requires an external power source.
1 NC COM
(+) (-)
Down
2
NO 4 NC COM
(+) (-)
DPDT
3
NC 2
5
NO
* When in latchdown position for the alternate circuit, cap position is .039" (1.0mm) above the housing.
MOUNTING TYPES & SHAPES
PCB Mounting
SK
Square
(5.08) .200
L+
3
(2.54) Typ .100 (10.16) .400 (1.2) Dia Typ .047
(5.08) Typ .200
6 L+ 5 L4
3
(2.54) Typ .100 (10.16) .400 (1.2) Dia Typ .047
RK
Rectangular
(7.62) .300
L+
3
(2.54) Typ .100
6
(7.62) Typ .300
L+
3
(2.54) Typ .100 (10.16) .400 (1.2) Dia Typ .047
2 L1
2 1
2 L1
(10.16) .400 (1.2) Dia Typ .047
5 L4
2 1
C L
C L
C L
C L
Single Pole
Double Pole Snap-in Mounting (Solder Lug)
Single Pole
Double Pole
KK
Square with Built-in Bezel
NK
Rectangular with Built-in Bezel
NBK
Rectangular with Built-in Side Barriers
(16.2) .638
(16.2) Sq .638 (22.4) .882
Snap-in Mounting with Solder Lug terminals is the standard combination. Panel Thickness: .039 ~ .126" (1.0 ~ 3.2mm)
CONTACT MATERIALS & RATINGS W G
Silver Contacts Power Level 5A @ 125V AC & 250V AC
Gold Contacts
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
TERMINALS 01
Solder Lug
(1.6) .063 (0.2) .008 (5.0) .197
03
Straight PC
(2.0) .079 (0.8) .032 Thk = (0.5) .020
(0.2) .008 (4.0) .157 (1.0) .039 Thk = (0.5) .020
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
LED COLORS & SPECIFICATIONS
Series UB
The electrical specifications shown are determined at a basic temperature of 25C. LED circuit is isolated and requires external power source. Polarity marks are on the bottom of the switch. If the source voltage exceeds the rated voltage, a ballast resistor is required. The resistor value can be calculated by using the formula in the Supplement section. The LED is an integral part of the switch and not available separately. Super Bright LEDs are Electrostatic Sensitive
(+) (-)
Electrostatic Sensitive Devices
Attention
Bright
Super Bright
5C
Red 30 20 1.85 5 0.40
5D
Amber 30 20 2.0 5 0.42 -25 ~ +50C
5F
Green 25 20 2.1 5 0.46
6B
White 25 20 3.8 5 0.47
6F
Green 25 20 3.8 5 0.47 -25 ~ +50C
6G
Blue 25 20 3.8 5 0.47 Unit mA mA V V mA/C
Color IFM IF VF VRM IF
Forward Peak Current Continuous Forward Current Forward Voltage Reverse Peak Voltage Current Reduction Rate Above 25C Ambient Temperature Range
CAP TYPES & COLOR COMBINATIONS
Full Face Illuminated Cap for Bright LED Lens/Diffuser Colors Available for Square Cap: Lens/Diffuser Colors Available for Rectangular Cap:
(3.0) .118 (12.0) Sq .472
CB CC CJ DB DD
DJ FB FF FJ JB
JC JD JF JJ
AT4074 Lens
CB CC DB
FB FF JB JC
JD JF
AT4117 Lens
(12.0) .472 (17.0) .669
(3.0) .118
AT4075 Diffuser
(0.5) .020 (10.35) Sq .407
DD
AT4118 Diffuser
(10.35) .407
(0.5) .020 (15.35) .604
Lens & Diffuser Material: Polycarbonate
Lens Finish: Glossy
Diffuser Finish: Textured
Lens/Diffuser Colors Available for Square Cap:
Full Face Illuminated Cap for Super Bright LED Rectangular lens & diffuser are not available for combining with super bright LED. Lens Finish: Glossy Diffuser Finish: Textured
JB
AT4074 Lens & AT4075 Diffuser (Dimensioned above) Lens & Diffuser Material: Polycarbonate
Spot Illuminated Caps
AB
Black Cap with Translucent White Window for LED Display
Material: Polycarbonate Finish: Matte
AT4119 Square for Bright and Super Bright LED
(1.9) .075 (5.0) .197 (12.0) Sq .472
(3.1) .122 (3.0) .118
AT4120 Rectangular for Bright LED
(5.0) .197 (12.0) .472
(1.9) .075
(3.1) .122 (3.0) .118 (17.0) .669
Color Codes:
A Black
B White
C Red
D Amber
F Green
J Clear
03-07
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Low Profile Pushbuttons
TYPICAL SWITCH DIMENSIONS
Square * PCB Mount
(0.5) .020
3
N.C.
Series UB
Single & Double Pole
L+
6
N.C.
(12.0) Sq .472 (0.5) Typ .020 (10.0) (4.0) .394 .157 Latchdown Position
2
N.O. COM
5
N.O. COM L-
(5.08) Typ .200
1
4
(15.24) Sq .600
(2.5) .098 (1.0) .039
(2.54) Typ .100 (1.0) Typ .039 (5.08) Typ .200
Single pole models do not have terminals 4, 5, & 6.
UB15SKG035C-CB
Rectangular * PCB Mount
(0.5) .020
3
Single & Double Pole
L+
6
N.C.
(12.0) .472 (15.24) .600 (17.0) .669 (2.5) .098 (1.0) .039 (0.5) Typ .020 (4.0) .157 Latchdown Position (10.0) .394
N.C.
2
N.O. COM.
5
N.O. COM L-
(5.08) Typ .200 (2.54) Typ .100
1
4
(20.32) .800
(7.62) Typ .300
(1.0) Typ .039
Single pole models do not have terminals 4, 5, & 6.
UB26RKG035D-DD
Square * Snap-in Mount * Built-in Bezel
(1.4) .055
(0.8) x (1.6) Typ .032 x .063
Single & Double Pole
3
L+
6
N.C.
(12.0) Sq .472 (0.5) Typ .020 (10.0) (5.0) .394 .197 Latchdown Position
N.C.
2
N.O. COM
5
N.O. COM L-
1
4
(5.08) Typ .200 (15.8) .622 (2.54) Typ .100 (2.0) Typ .079 (5.08) Typ .200
(17.8) Sq .701
(2.5) .098 (1.0) .039
Single pole models do not have terminals 4, 5, & 6.
UB25KKW015C-CB
Rectangular * Snap-in Mount * Built-in Bezel
(1.4) .055 (0.8) x (1.6) Typ .032 x .063
3
Single & Double Pole
L+
6
N.C.
(12.0) .472 (17.8) .701 (0.5) Typ .020 (10.0) (5.0) .394 .197 Latchdown Position
N.C.
2
N.O. COM.
5
N.O. COM L-
1
4
(5.08) Typ .200 (15.8) .622 (2.54) Typ .100 (2.0) Typ .079
(17.0) .669 (24.0) .945
(2.5) .098 (1.0) .039
(7.62) Typ .300 (22.0) .866
Single pole models do not have terminals 4, 5, & 6.
UB26NKW015F-FF
Rectangular * Snap-in Mount * Built-in Side Barriers
(12.0) .472 (17.8) .701
(0.8) x (1.6) Typ .032 x .063
3
N.C.
Single & Double Pole
L+
6
N.C.
2
N.O. COM.
5
N.O. COM L-
1
4
(17.0) .669
(0.5) Typ .020 (24.0) .945 (3.9) .154 (8.6) .339 (5.0) .197
(5.08) Typ .200 (15.8) .622 (2.54) Typ .100 (2.0) Typ .079
(7.62) Typ .300 (22.0) .866
Single pole models do not have terminals 4, 5, & 6.
UB25NBKW015F-FB 03-07
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Low Profile Pushbuttons
OPTIONAL ACCESSORIES
Spring Loaded Protective Guard for Snap-in Mounting of Square PCB Model AT4173 Square Protective Guard/ Snap-in Frame Opens 180 Closes automatically Materials: Cover: Clear Polycarbonate Base: Black Polyamide Coil Spring: Stainless Steel Recommended Panel Thickness: .039" ~ .126" (1.0mm ~ 3.2mm) Recommended Panel-to-PCB Range: .354" ~ .433" (9.0mm ~ 11.0mm)
(18.2) Sq .717
Series UB
(10.5) .413 (20.5) .807 (15.64) .616
(18.4) .724
(20.4) .803
(6.0) .236
(9.0) .354
(15.64) .616
180
AT4173 (10.5) .413 (20.5) .807
(39.0) Min* 1.535
2
Protective Guard Panel
Installation 1 Install switch onto PC board. 2 Snap protective guard into panel. 3 Join the two assemblies.
3
Switch
1
(20.4) .803 (9.0) ~ (11.0) .354 ~ .433 (20.4) .803 (N) (N) = Number of switches * Minimum dimension allows opening of cover to 180
PC Board
Spring Loaded Protective Guard for Square Snap-in Model AT4171 Square Protective Guard Opens 180 Closes automatically
(10.5) .413 (20.5) .807 Cap Height When Assembled
(17.9) .705 (7.1) .280
(18.4) .724 (16.2) Sq .638 (39.0) Min* 1.535
(20.4) .803
(7.5) .295
(14.2) .559
(17.9) .705
AT4171 (10.5) .413 (20.5) .807
180
Materials: Cover: Clear Polycarbonate Base: Black GFR Polyamide Coil Spring: Stainless Steel
(20.4) .803 (20.4) .803 (N)
Recommended Panel Thickness: .039" ~ .106" (1.0mm ~ 2.7mm)
(N) = Number of switches * Minimum dimension allows opening of cover to 180
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
OPTIONAL ACCESSORIES
Spring Loaded Protective Guard for Snap-in Mounting of Rectangular PCB Model AT4174 Rectangular Protective Guard/ Snap-in Frame Opens 180 Closes automatically Materials: Cover: Clear Polycarbonate Base: Black Polyamide Coil Spring: Stainless Steel Recommended Panel Thickness: .039" ~ .126" (1.0mm ~ 3.2mm) Recommended Panel-to-PCB Range: .354" ~ .433" (9.0mm ~ 11.0mm)
(18.2) .717 (39.0) Min* 1.535
Series UB
(10.5) .413 (20.5) .807 (15.64) .616
(24.6) .969 (23.4) .921
(26.6) 1.047
(6.0) .236
(9.0) .354 180
(20.54) .809
AT4174 (10.5) .413 (20.5) .807
Protective Guard
2
Panel
Installation 1 Install switch onto PC board. 2 Snap protective guard into panel. 3 Join the two assemblies.
3
Switch
1
(9.0) ~ (11.0) .354 ~ .433
(26.6) 1.047 (26.6) 1.047 (N) (N) = Number of switches * Minimum dimension allows opening of cover to 180
PC Board
Spring Loaded Protective Guard for Rectangular Snap-in Model AT4172 Rectangular Protective Guard Opens 180 Closes automatically
(10.5) .413 (20.5) .807 Cap Height When Assembled
(17.9) .705 (7.1) .280
(22.4) .882
(24.6) .969
(26.6) 1.047
(7.5) .295
(20.4) .803
(24.1) .949
(16.2) .638
180 (39.0) Min* 1.535
AT4172 (10.5) .413 (20.5) .807
Materials: Cover: Clear Polycarbonate Base: Black GFR Polyamide Coil Spring: Stainless Steel
(26.6) 1.047
(26.6) 1.047 (N) * Minimum dimension allows opening of cover to 180
Recommended Panel Thickness: .039" ~ .106" (1.0mm ~ 2.7mm)
(N) = Number of switches
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Low Profile Pushbuttons
OPTIONAL ACCESSORIES
Dust Covers AT4001 Square
Series UB
Not for use with barrier type models (mounting code NBK)
AT4011 Rectangular
(15.0) Sq .591
(16.5) .650
(16.5) .650 (24.0) .945
Cap Height When Assembled (7.3) .287
(2.5) .098 (24.0) Sq .945
(22.7) .894
(30.2) 1.189
Materials: PVC with polyethylene gasket (PVC loses pliability below 0C (32F).)
Recommended Panel Thickness: .039" ~ .098" (1.0mm ~ 2.5mm)
LEGENDS
Easily create and submit your own legends using our new on-line Legend Maker. Visit www.nkkswitches.com
For other legend support options, customers may either contact the factory and request the UB/UB2 Legend Packet, or utilize the general information and basic specifications presented below. Suggested Printable Area for UB Lens & Film Insert Recommended Methods: Laser Etch on clear lens, Screen Print or Pad Print on lens; Screen Print on film insert. Epoxy based ink is recommended. Square Cap
Lens
Rectangular Cap
Lens
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
LM
Shaded areas are printable areas.
U P
Film Insert Diffuser
Lens
(10.48) Sq .413 (12.0) Sq .472 (0.76) Typ .030 (0.76) Typ .030 (15.48) .609 (17.0) .669
(10.48) (12.0) .413 .472
(0.76) Typ .030
(0.5) R .020
(0.5) R .020 (8.78) (10.3) .346 .406
Film Insert
N RU
(8.78) Sq .346 (10.3) Sq .406
(0.76) Typ .030
(0.76) Typ .030
(13.78) .543 (15.3) .602
(0.76) Typ .030
Film Insert: Clear Polyester 4 mil max. thickness
03-07

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