MINIATURE SWITCHES
1717
NOTE: For special .5 VA max. rating @ 28 VAC or DC
contact Electroswitch.
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.
SELECTION TABLES
(
Bold
Face Type indicates items normally in Distributor Stock)
Note: Optional Snap-On
button must be ordered separately
B8500/B8600
Catalog No. By Terminal Type
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
Poles
&
Throw
2 Circ.
Operation
Momentary or
Latch Down
Momentary or
Latch Down
Momentary
For Latch-Down, depress plunger and rotate 30° clockwise.
Schematic — Pushbutton
PCB Switches
OPTIONAL BUTTON CAPS
Button Cap Color Catalog Number
Black P281B
Red P281R
CURRENT RATINGS
Nominal Rating, Amperes
6 VDC 12 VDC 28 VDC 125 VDC
1 1 0.5 0.5
APPROXIMATE DIMENSIONS
B8103, B8500 and B8600 Series
terminal length order B8103
TYPE P281
SNAP-ON BUTTON
(Optional)
Ultra-Miniature Pushbutton Switches AC and DC — Round Base
SPECIFICATIONS
•Resistive rating — .75 amperes resistive at 125 VAC normally
open; .50 amperes resistive at 125 VAC normally closed; also
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.
•Pretravel — .015 minimum/.050 maximum
•Overtravel — .030 minimum
•Operating force — 8 oz. maximum
•Electrical life — 50,000 operations minimum
•Mechanical life — 50,000 operations minimum
•Materials — contacts and terminals are gold plated copper
•Mounting hardware — One #8-40 nut supplied unassembled
SELECTION TABLE
Circuit Plunger Catalog
Color Number
N.O. Red SA1RV20
N.O. Black SA1BV20
N.C. Black SA1BW20
N.C. Red SA1RW20
OPTIONAL BUTTON CAPS
Button Cap Catalog Description
Color Number `
Red SW53AA1 .250” Slip on cap for SA1 series
Black SW53AA2 .250” Slip on cap for SA1 series
APPROXIMATE DIMENSIONS
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.
High
Contact pressure
gives low contact
resistance
Gold-plated shorting
bar and terminals provide
over 500,000 cycles
low level current/
voltage operation
“Crossed Wire”
contact system
eliminates bounce
Gold over nickel
over silver
over copper
Drain holes permit
complete flux washdown
