BT
Miniature Toggle Switch
RoHS Compliant
■Features
1. Terminal pin pitch: 2.54 mm.
2. Gold-plated contacts
3. Wiping contact mechanism for long-term
reliability
4. Independent detent mechanism ensures light
operational feel.
5. Epoxy-sealed terminal pins
6. Miniature size (Single-pole: 7.6mm, Double-
pole: 12.7mm) for high density mounting.
■
:WLJPÄJH[PVUZ
Rating
Max.
50mA 20VAC・DC
50mΩ max.
500VAC 1 minute
10,000MΩ min.
50,000 cycles
−20℃∼＋85℃
−40℃∼＋85℃
（250VDC）
（1.5mA
200μVAC）
Initial contact resistance
Dielectric strength
Insulation resistance
Electrical life
Operating
temperature range
Storage
temperature range
■Part
Numbering
B
T
2
N
−
2
M
4
Series code
Actuator shape
Number of poles
Switching function
Terminal style
Actuator shape
Bracket style
Code
Type
Fig.
Number
of poles
Code
1 pole 2 poles
Switching function
Fig.
Terminal style
Code
Actuator shape
Fig.
Bracket
T
Toggle type
1
2
1 pole
2 poles
D N
ON ー ON
E P
ONーOFF ーON
F R
ON ー （ON）
G S
（ON）
ーOFFー
（ON）
H T
ONーOFFー
（ON）
2
PC Straight
M
Standard
4
With bracket
（ON）
：Momentary.
BT
SPDT
PC Straight
Rating mark
Switching
function
Viewed from part No. marking side
Part No.
☆BT1D-2M4-Z
★BT1E-2M4-Z
★BT1F-2M4-Z
★BT1G-2M4-Z
★BT1H-2M4-Z
Epoxy seal
ON
ON
（ON）
（ON）
（ON）
2−1
−
OFF
−
OFF
OFF
−
ON
ON
ON
（ON）
ON
2−3
Connecting terminals
Terminal numbers are not shown on the switch.
DPDT
PC Straight
Rating mark
Switching
function
Viewed from part No. marking side
Part No.
★BT2N-2M4-Z
★BT2P-2M4-Z
▲
BT2R-2M4-Z
▲
BT2S-2M4-Z
▲
BT2T-2M4-Z
Epoxy seal
Connecting terminals
Terminal numbers are not shown on the switch.
ON
ON
（ON）
（ON）
（ON）
2−1
5−4
−
OFF
−
OFF
OFF
−
ON
ON
ON
（ON）
ON
2−3
5−6
■PC
Hole Layouts
■
Optional Accessories
《Sold
separately》
Color Cap
Round type）
（
1−pole
Dimensions
Color
White
Red
Black
Gray
2−poles
Vinyl chloride resin
Part. No.
140000470030
140000470098
140000470031
140000470037
Color Cap Square type）
（
Dimensions
Color
White
Red
Black
Gray
Part. No.
140000470038
140000470100
140000470039
140000470077
Vinyl chloride resin
★：Made
to order products.
☆：Semi-standard
products.
▲
：
Inquiry products.
（ON）
：Momentary.
：
Optional Accessories.
BT
■:VSKLYPUN
:WLJPÄJH[PVUZ
⑴Manual
Soldering
Device
：
Soldering iron
380℃, Max.; 3 seconds, Max.
⑵Auto
Soldering
Device
：
Jet wave type or dip type
275℃, Max.; 3 seconds, Max.
●Pre-heating
should be done at temperatures below 100℃ and
within 30 sec.
⑶When
soldering two or more terminals to the common land, use
the solder resist to solder them independently.
■Flux
Cleaning
⑴Solvent
: Fluorine or Alcohol type.
⑵The
BT
series are not washable. To wash the PC board,
clean the soldering surface of PC board with a brush so that
the switch is not exposed to the cleaning solution.
⑶Cleaning
after soldering should be done after the terminal
temperature falls to 90℃ or below, or after leaving the switch
MVY Ä]L TPU\[LZ VY SVUNLY H[ YVVT [LTWLYH[\YL
■Mounting
of Switch
●Use
PC boards with hole diameter of 0.8mm.
●Do
not bend the terminal pins before mounting the switch on
the PC board.
●After
mounting the switch, do not place the device in such a
way that the device weight will be applied on to the actuator of
the switch.
●
Do not apply load exceeding 29.4N to the actuator.
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