Process Sealed Subminiature Toggles
Series A
Distinctive Characteristics
Subminiature size saves space on PC boards.
Specifically developed for logic-level applications.
Totally sealed body construction prevents contact contamination
and allows time- and money-saving automated soldering and
cleaning.
Award-winning STC contact mechanism with
benefits unavailable in conventional mechanisms:
smoother, positive detent actuation, increased
contact stability and unparalleled logic-level
reliability. (Additional STC details in Terms &
Acronyms; see Supplement contents.)
Molded-in, epoxy sealed or ultrasonically
welded terminals lock out flux, solvents,
and other contaminants.
.100” x .100” (2.54mm x 2.54mm) terminal
spacing conforms to standard PC board grid
spacing.
Toggle option in antistatic material available for
dissipating electrostatic discharges.
Matching indicators available and shown at the end of Section M.
Actual Size
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Process Sealed Subminiature Toggles
Series A
General Specifications
Electrical Capacity (Resistive Load)
Logic Level:
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:
Angle of Throw:
50 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum between contacts for 1 minute minimum;
500V AC minimum between contacts & case for 1 minute minimum
100,000 operations minimum for On-None-On & On-Off-On
50,000 operations minimum for other circuits
50,000 operations minimum
1.47N (momentary); 1.18N (maintained) for .394” (10.0mm) toggles
2.73N (momentary); 1.84N (maintained) for all other toggles
Nonshorting (break-before-make)
26°
Materials & Finishes
Toggle:
Case Housing:
Support Bracket:
Movable Contact:
Stationary Contacts:
Terminals:
Glass fiber reinforced polyamide for antistatic; nickel plated brass for all others
Glass fiber reinforced polyamide
Tin plated phosphor bronze
Phosphor bronze with gold plating
Brass with gold plating
Brass with gold plating
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–30°C through +85°C (–22°F through +185°F)
90 ~ 95% humidity for 240 hours @ 40°C (104°F)
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/s
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
PCB Processing
Soldering:
Cleaning:
Wave Soldering Recommended. See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Automated cleaning. See Cleaning Specifications in Supplement section.
Standards & Certifications
UL Recognition
or CSA Certification:
The A Series toggles 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
Process Sealed Subminiature Toggles
TYPICAL SWITCH ORDERING EXAMPLE
Series A
A
POLES
1
2
SPST
SPDT
DPDT
SP3T
1
2
J
V
PC TERMINALS
P
B
B1
H
V
Straight
Straight with Bracket
Straight with Inline Bracket
(Single Pole only)
Right Angle with Bracket
Vertical with Bracket
Vertical with Inline Bracket
(Single Pole only)
Straight Long
CIRCUITS
1
2
3
5
R
8
9
S
OFF
ON
ON
ON
(ON)
(ON)
ON
(ON)
ON
(ON)
ON
NONE
NONE
OFF
NONE
NONE
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
(ON)
ON
(ON)
(ON)
ON
ON
(ON)
(ON)
A
J
J2
E
H
K
V1
W
TOGGLES
.394” (10.0mm) Bat
.248” (6.3mm) Bat
.248” (6.3mm) Antistatic Bat
.394” (10.0mm) Flatted
.248” (6.3mm) Flatted
Snap Top for A or B Paddle
A
B
G
J
OPTIONAL CAPS
.394” (10.0mm) Bat Lever Cap
.248” (6.3mm) Bat Lever Cap
*
4
*
6
*
7
PADDLES
Short Paddle for K Toggle
Long Paddle for K Toggle
( ) = Momentary
*
3-ON circuits
CAP
COLORS
A
B
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
C
---
---
---
.248” (6.3mm) Long
Bat Toggle
SPDT
ON-NONE-ON Circuit
---
Vertical PC Terminals
Black
White
Red
Yellow
Green
Blue
Gray
PADDLE
COLORS
A
B
C
E
F
G
H
A12JV
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Process Sealed Subminiature Toggles
POLES & CIRCUITS
Toggle Position
( ) = Momentary
Up
Pole
SP
Model
A11
A12
A13
A15
A1R
A18
A19
A1S
A22
A23
A25
A2R
A28
A29
A2S
Slot
Series A
Connected Terminals
Up
Slot
Throw & Schematics
Note:
Terminal numbers are
not actually on the switch.
INTERNAL
CONNECTION
Center
Down
Center
Down
OFF
ON
ON
ON
(ON)
(ON)
ON
(ON)
ON
ON
ON
(ON)
(ON)
ON
(ON)
NONE
NONE
OFF
NONE
NONE
OFF
OFF
OFF
NONE
OFF
NONE
NONE
OFF
OFF
OFF
ON
ON
ON
(ON)
ON
(ON)
(ON)
ON
ON
ON
(ON)
ON
(ON)
(ON)
ON
OPEN
OPEN
3-1
SPST
1
3
2 (COM)
SP
2-3
OPEN
2-1
SPDT
3
1
2
(COM)
1
6
5
4
DP
2-3 5-6
OPEN
2-1 5-4
DPDT
3
For 3 Throw (3-on)
Connected Terminals & Schematics
Pole
SP
Model
A24
A26
A27
Up
ON
(ON)
ON
External
Connection
5
2 (in)
External Connection
Down
ON
(ON)
(ON)
External
Connection
5
2 (in)
Center
ON
ON
ON
External
Connection
5
2 (in)
The SP3T model utilizes
a double pole base.
(out)
(out)
1
2
3
4
5
6
1 (out)
3 4 (out) 6 (out)
1 (out)
3 4 (out) 6 (out)
1 (out)
3 4 (out) 6 (out)
2-3 5-6
2-3 5-4
2-1 5-4
External
connections
must be made
during field
installation.
Common
(in)
External
Conn
(out)
TOGGLES
Standard Material & Finish:
Brass with Bright Nickel
Material & Finish for J2:
Matte finish black glass fiber reinforced polyamide
A
.394” (10.0mm) Bat
26°
(2.6) Dia
.102
(10.0)
.394
J
.248” (6.3mm) Bat
26°
(6.3)
.248
(2.6) Dia
.102
J2
.248” (6.3mm) Antistatic Bat
26°
(6.3)
.248
(2.1) Dia
.083
Dissipating 20Kv ESD: Straight PC
Dissipating 10Kv ESD: Straight PC
with Bracket, Right Angle, & Vertical
E
.394” (10.0mm) Flatted
26°
(1.6)
.063
(10.0)
.394
(2.7)
.106
H
.248” (6.3mm) Flatted
26°
(6.3)
.248
(1.6)
.063
(2.6)
.102
K
Snap Top for Paddles
26°
(5.0)
.197
(2.5)
.098
(1.6)
.063
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Process Sealed Subminiature Toggles
PC TERMINALS
Series A
Use of a support bracket is recommended to increase PCB mounting strength and stability.
P
Straight
B
Straight with Bracket
(10.16)
.400
B1
Straight with Inline Bracket
Single Pole only
(10.16)
.400
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.7) Typ
.028
(1.0)
.039
C
L
(5.08) Typ
.200
(0.8)
.031
(2.54) Typ
.100
(0.6) Dia Typ
.024
(5.08)
.200
(5.08)
.200
(0.3) Typ
.012
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.7) Typ
.028
(2.54)
.100
(0.3) Typ
.012
(9.0)
.354
(8.8)
.346
(9.0)
.354
(8.8)
.346
(9.0)
.354
(5.08)
.200
H
Right Angle
with Bracket
V
Vertical with Bracket
V1
Vertical with Inline Bracket
Single Pole only
W
(5.08)
.200
Straight Long
(2.54) Typ
.100
(0.6) Dia Typ
.024
(2.54) Typ
.100
(2.54) Typ
.100 (0.6) Dia Typ
.024
(2.54) Typ
.100
(5.08)
.200
(0.3)
.012
(5.08)
.200
(0.6) Dia Typ
.024
(0.5) Typ
.020
(2.54) Typ
.100
(5.08)
.200
(0.3)
.012
(0.6) Dia Typ
.024
(0.5) Typ
.020
(18.9)
.744
(5.08)
.200 (0.3)
.012 (0.7)
.028
(0.5)
.020
(8.8)
.346
(9.0)
.354
(0.7)
.028
(9.0)
.354
(8.8)
.346
(0.7)
.028
(9.0)
.354
C
L
(1.0)
.039
(5.08)
.200
(0.8)
.031
(9.0)
.354
(8.8)
.346
CAPS & PADDLES
G
AT4003
.394” (10.0mm) Bat Lever Cap
26°
(3.0) Dia
.118
26°
(3.0) Dia
.118
(7.0)
.276
(6.3)
.248
J
AT4064
.248” (6.3mm) Bat Lever Cap
Material: PVC
Colors Available:
A, B, C
(11.0)
.433
(10.0)
.394
Material: PVC
Colors Available:
A, B, C
A
AT467
Short Paddle
26°
(2.4)
.094
(4.6)
.181
(5.0)
.197
(9.4)
.370
B
AT468
Long Paddle
26°
(2.4)
.094
(15.1)
.594
(4.4)
.173
Material: Polyamide
Colors Available:
A, B, C, E, F, G, H
(10.3)
.406
Material: Polyamide
Colors Available:
A, B, C, E, F, G, H
Color Codes:
(5.0) Dia
.197
(14.2)
.559
A
Black
B
White
C
Red
E
Yellow
F
Green
G
Blue
H
Gray
03-07
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
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