Tilt Switch
Series DS
Toggles
Environmentally friendly, contains no mercury.
High contact reliability due to sealed body.
The switch is triggered when tilted beyond ±10° of the horizontal.
PCB adaptor available as an accessory.
DSB
Photo interrupter, rather than contacts, ensures
high reliability. 1 million operations minimum.
Sealed construction for protection from environmental
elements, including hydrogen sulfide, sulfur dioxide,
and nitrogen hydroxide. Terminals are made of
ammonia-resistant materials.
Totally sealed body allows process compatibility for time-
and money-saving automatic soldering and cleaning.
Space-saving compact dimensions allow high density
mounting.
Internal steel ball movement allows functionality of 360°
circumference rotation.
The DSB series switch is well-suited to meet product safety
concerns due to normally closed (on) status.
Crimped terminals ensure secure mounting and prevent dislodging
during wave soldering.
The switch is triggered when tilted beyond ±30° of the horizontal.
DSB
DSA
Actual Sizes
K
www.nkkswitches.com
K3
1/11/18
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
DSA
Rockers
Distinctive
Characteristics
Series DS
Toggles
Tilt Switch
DSA SWITCH PART NUMBER & DESCRIPTION
Rockers
SPST ON – OFF
Pushbuttons
Sealed Body
Programmable Illuminated PB
DSA01
DSA SWITCH SPECIFICATIONS
Mechanical & Electrical Specifications
Poles and Circuits:
Operating Range:
Resistive Load:
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Single Pole Single Throw ON – OFF
ON Angle = 10° ~ 170°; OFF Angle = 190° ~ 350°
0.1A @ 12V DC
100 milliohms maximum
50 megohms minimum @ 250V DC
250V AC for 1 minute minimum between terminals
100,000 operations minimum
100,000 operations minimum
Materials & Finishes
Housing:
PBT
Silicone Rubber
Brass with Silver Plating
Brass with Silver Plating
Environmental Specifications
Operating Temperature Range:
Storage Temperature Range:
Contact Bounce (for reference):
Humidity:
Vibration (for reference):
Notes:
–10°C ~ +70°C (+14°F ~ +158°F)
–25°C ~ +85°C (–13°F ~ +185°F)
500ms maximum
90% humidity for 96 hours @ 40°C (104°F)
Frequency range 10Hz ~ 500Hz for 2 hours; 2 directions; Acceleration: 0.2G
1. Do not install switch near vibration source.
2. Terminals should not be exposed to liquid.
Processing for AT094 PCB Adaptor
Soldering (with PCB Mount Holder):
Automated Cleaning:
Wave Soldering: See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Hand clean locally using alcohol based solution.
Rubber Rings:
Contact Balls:
Terminals:
Tactiles
Slides
Rotaries
Keylocks
K
Supplement
Accessories
Indicators
Touch
Tilt
K4
www.nkkswitches.com
Tilt Switch
DSA SWITCH SPECIFICATIONS (CONTINUED)
Operating Range
θ
Series DS
UP
ON
160˚
90˚
Cross Section
Rockers
10˚
10˚
Unstable
180˚ Connection
Unstable
Connection 0˚
10˚
10˚
270˚
160˚
OFF
DOWN
Allow 500ms settling time between states.
TYPICAL SWITCH DIMENSIONS
Part No.
This End
1
2
(11.5) Dia
.453
(7.4) Dia
.291
Terminal numbers are not on the switch.
DSA01
Slides
OPTIONAL ADAPTOR
AT094
PCB Adaptor for DSA01
Materials:
Holder: Polypropylene
Spring: Spring Steel with
Nickel Plating
PC Pins: Brass with
Nickel Plating
Assembled DSA Switch & Adaptor
K
(13.0)
.512
+
(0.78) Dia Typ
.031
(34.93)
1.375
(12.7)
.500
(11.89)
.468
(29.97)
1.180
(1.02) Dia Typ
.040
PCB Footprint
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K5
Supplement
(29.97)
1.180
Accessories
Indicators
Touch
Tilt
Tactiles
Rotaries
(4.9) Dia
.193
(1.0)
.039
(29.3)
1.154
(1.0)
.039
Keylocks
Programmable Illuminated PB
Pushbuttons
Toggles
Series DS
Toggles
Tilt Switch
DSB SWITCH PART NUMBERS & DESCRIPTION
Rockers
ON-OFF Status
Straight
PC Terminals
ON-OFF Status
Right Angle
PC Terminals
Pushbuttons
DSBA1P
DSBA1H
Programmable Illuminated PB
DSB SWITCH SPECIFICATIONS
Absolute Maximum Ratings
Temperature at 25°C
Symbol
Forward Current
Input
Reverse Voltage
Power Dissipation
Collector-Emitter Voltage
Output
Emitter-Collector Voltage
Collector Current
Collector Power Dissipation
Total Power Dissipation
Mechanical Specifications
Mechanical Life:
1,000,000 operations minimum
1,000,000 operations minimum using applicable circuit
Materials & Finishes
I
F
V
R
P
D
V
CEO
V
ECO
I
C
P
C
P
tot
Rating
50
5
75
30
3
20
50
100
Unit
mA
V
mW
V
V
mA
mW
mW
Tactiles
Slides
Rotaries
Keylocks
Electrical Life:
K
Tilt
Housing:
Base:
Terminals:
Glass fiber reinforced polyamide (UL94V-0 flammability rating)
Glass fiber reinforced polyamide (UL94V-0 flammability rating)
Phosphor bronze with tin plating
Environmental Specifications
Touch
Operating Temperature Range:
Indicators
–25°C ~ +80°C (–13°F ~ +176°F)
–30°C ~ +85°C (–22°F ~ +185°F)
85% humidity for 500 hours @ +85°C (+185°F)
10Hz with peak-to-peak amplitude of 10mm traversing the frequency range
& returning in 1 minute; 3 right angled directions for 500,000 cycles
100G (981m/s
2
) acceleration (tested in 6 right angled directions, with
5 shocks in each direction)
1. Prevent exposure to magnetic fields.
2. Do not install switch near vibration source.
www.nkkswitches.com
Storage Temperature Range:
Humidity:
Vibration:
Shock:
Notes:
Supplement
Accessories
K6
Tilt Switch
DSB SWITCH SPECIFICATIONS (CONTINUED)
Operating Characteristics
Operating Angle
Circuit Characteristics (ON-OFF)
±30° to ±60°
Output
V
OL
V
OH
Series DS
Toggles
Return Angle
Minimum 10°
Output
V
OH
V
OL
Output Characteristics V
OH
with Photo transistor OFF: 4.0V minimum (inclined at an angle of –60° minimum)
Output Characteristics
Reference
Point
A
ee
gr
De
ng
le
Reference
Point
t
Characteristics
L
O
u
tp
u
Return
Angle
Moving
Point
Moving
Point
Moving
Point
Moving
Point
ut
pu
t
C
h
a
r
a
c
t
e
ri
st
ics
ut
pu
t
C
h
a
r
a
c
t
e
ri
st
ics
Straight PC
Circuit Design Considerations
Right Angle PC
Tactiles
1 ANODE
V
CC
= 5V
R
2
= 100kΩ
I
F
= 19mA (V
CC
= 5V, R
1
= 200Ω)
V
F
of the LED
Maximum = 1.3V
R
1
R
2
V
o
3 COLLECTOR
I
F
2 CATHODE
4 EMITTER
PCB Processing
Wave Soldering: See Profile A in Supplement section.
Manual Soldering: See Profile A in Supplement section.
Use alcohol based solution at 50°C maximum. Do not submerge over
2.0” (5.0cm) for 1 minute maximum. Do not use organic solvents.
Automated Cleaning:
www.nkkswitches.com
K7
Supplement
Accessories
Soldering :
Indicators
Touch
Tilt
V
CC
V
CC
K
Slides
H
H
Rotaries
O
O
Keylocks
–
+D
eg
re
eA
ng
le
–
eA
re
eg
D
ng
le
O
u
tp
u
t
Characteristics
L
+D
eg
ree
Return
Angle
An
g
le
Programmable Illuminated PB
Output Characteristics V
OL
with Photo transistor ON: 1.0V maximum (horizontal)
Pushbuttons
Rockers
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