MINIATURE SWITCHES
Sub Miniature Pushbutton Switches for Printed Circuit Boards — Wave Solderable
Series B8000 PCB Pushbutton Switches
SPECIFICATIONS
•
•
•
•
Mechanical life — 500,000 operations
minimum
Contact resistance — 25 milliohms
maximum
Dielectric strength — 1000 VAC rms
Ambient temperature range — -20°C
to +70°C
•
•
Weight — 0.06 ounces (1.7 grams)
Electrical life — 100,000 operations
minimum.
Schematic — Pushbutton
PCB Switches
SELECTION TABLES
(Bold Face Type indicates items normally in Distributor Stock)
Note: Optional Snap-On
button must be ordered separately
Catalog No. By Terminal Type
Poles
&
Throw
Operation
Right Angle
P.C. Stand
P.C. Mount
Up Mount
.220”
.160”
.120”
(5.6 mm) (4.1 mm) (3.1 mm)
B8103
B8500
B8600
OPTIONAL BUTTON CAPS
Button Cap Color
Black
Red
Catalog Number
P281B
P281R
2 Circ.
B8500/B8600
Momentary or
Latch Down
Momentary or
Latch Down
Momentary
CURRENT RATINGS
6 VDC
1
Nominal Rating, Amperes
12 VDC
28 VDC
1
0.5
125 VDC
0.5
For Latch-Down, depress plunger and rotate 30° clockwise.
B8103, B8500 and B8600 Series
APPROXIMATE DIMENSIONS
NOTE: For special .5 VA max. rating @ 28 VAC or DC
contact Electroswitch.
High
Contact pressure
gives low contact
resistance
“Crossed Wire”
contact system
eliminates bounce
Gold over nickel
over silver
over copper
Drain holes permit
complete flux washdown
TYPE P281
SNAP-ON BUTTON
(Optional)
Gold-plated shorting
bar and terminals provide
over 500,000 cycles
low level current/
voltage operation
terminal length order B8103
SPECIFICATIONS
Ultra-Miniature Pushbutton Switches AC and DC — Round Base
resistive at 125 VAC normally
•
Resistive rating — .75 amperes125 VAC normally closed; also
open; .50 amperes resistive at
rated 1.0 ampere normally open for 15,000 operations and .75
amperes normally closed for 10,000 operations. For 28 VDC
rating 1.5 amperes normally open for 10,000 operations and 1.0
ampere normally closed for 10,000 operations. Dry circuit rated
10 milliamperes at 30 mVDC.
APPROXIMATE DIMENSIONS
SELECTION TABLE
Circuit
N.O.
N.O.
N.C.
N.C.
Plunger
Color
Red
Black
Black
Red
•
Pretravel — .015 minimum/.050 maximum
— .030
•
Overtravel force — minimum
8 oz. maximum
•
Operatinglife — 50,000 operations minimum
Electrical
•
Mechanical life — 50,000 operations minimum
•
Materials — contacts and terminals are gold plated copper
•
Mounting hardware — One #8-40 nut supplied unassembled
•
Catalog
Number
SA1RV20
SA1BV20
SA1BW20
SA1RW20
OPTIONAL BUTTON CAPS
Button Cap
Color
Red
Black
Catalog
Number
SW53AA1
SW53AA2
Description
`
.250” Slip on cap for SA1 series
.250” Slip on cap for SA1 series
ACTUAL SIZE
OPTIONAL BUTTON CAP
MUST BE ORDERED SEPARATELY
CAUTION — MANUAL SWITCHES ARE AFFECTED BY HEAT, CLEANING SOLVENTS AND FLUX. EXTREME CARE SHOULD BE
EXERCISED DURING HAND SOLDERING AND WAVE SOLDERING TO PREVENT SWITCH CONTAMINATION.
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