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SM-31TA Datasheet(Fiches technique) 2 Page - Copal Electronics

Numéro de pièce SM-31TA
Description  SURFACE MOUNT CERMET TRIMMERS
Télécharger  5 Pages
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Fabricant  COPAL [Copal Electronics]
Site Internet  http://www.nidec-copal-electronics.com/e
Logo COPAL - Copal Electronics

SM-31TA Datasheet(HTML) 2 Page - Copal Electronics

  SM-31TA Datenblatt HTML 1Page - Copal Electronics SM-31TA Datasheet HTML 2Page - Copal Electronics SM-31TA Datenblatt HTML 3Page - Copal Electronics SM-31TA Datenblatt HTML 4Page - Copal Electronics SM-31TA Datenblatt HTML 5Page - Copal Electronics  
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 2 / 5 page
background image
11
5
Top adjustment
Side adjustment
Top adjustment
Side adjustment
Pieces in package
Electrical turns
Adjustment
position
Shape of terminal
Form of packaging
Taping (reel)
Plastic bag
LIST OF PART NUMBERS
W
A
B
(J-hook)
(J-hook)
W
A
B
(J-hook)
(J-hook)
(Gull wing)
(Gull wing)
SM-3TW
SM-3W
SM-3TA
SM-3A
SM-3TB
SM-3B
SM-31TW
SM-31W
SM-31TA
SM-31A
SM-31TB
SM-31B
500 pcs./reel
50 pcs./pack
Nominal resistance values
ELECTRICAL CHARACTERISTICS
MECHANICAL CHARACTERISTICS
ENVIRONMENTAL CHARACTERISTICS
50
Ω 100 Ω 200 Ω 500 Ω 1 kΩ
2 k
Ω
5 k
Ω 10 kΩ
20 k
Ω 50 kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ 2 MΩ
Fig. 1
※ The above part numbers are all available with the respective combination
of <Nominal resistance values> (Fig. 1).
※ Verify the above part numbers when placing orders.
※ Taping specification is not sold separately and must be purchased in reel units.
SM-3/31
SURFACE MOUNT TRIMMERS
Reflow profile for soldering heat evaluation
Reflow : two times maximum
Peak : 250
Over 230 C
Pre Heating Zone
180 C
(C)
250
200
150
100
50
150 C
90 30 s
30 10 s
Soldering Zone
Heating time
C
+5
0
Soldering heat
[
ΔR/R ≦ 1 %]
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering
:350
± 10 °C, 3 ~ 4 s
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
5 mN·m {51 gf·cm} maximum
Clutch action
200 cycles [
ΔR/R ≦
± (2 Ω +3 %)]
5 N {0.51 kgf} minimum
245
± 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
Width 90 mm, bend 3 mm, 5 s, 1 time
5 N {0.51 kgf} 10 s
{ }Reference only
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
50
Ω ~ 2 MΩ
± 20 %
0.125 W (70 °C) 0 W (150 °C)
(B)Linear law
DC200 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
11 turns (SM-3) / 5 turns (SM-31)
1 % or 3
Ω, whichever is greater
3 % or 3
Ω, whichever is greater
−65 ~ 150 °C
±100 10-6/°C maximum
100 M
Ω minimum (DC500 V)
AC600 V, 60 s
Approx. 0.10 g
Test item
Test conditions
Specifications
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
Immersion seal
ΔR/R:Change in total resistance
S.S.
:Setting stability
−65 ~ 150 °C (0.5 h), 5 cycles
[
ΔR/R ≦ 2 %]
[S.S.
≦ 2 %]
−10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
[
ΔR/R ≦ 3 %]
981 m/s
2, 6 ms
6 directions for 3 times each
[
ΔR/R ≦ 1 %]
[S.S.
≦ 1 %]
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s
2,
10 ~ 2000 Hz, 3 directions, 12 times each
70 °C, 0.125 W, 1000 h
[
ΔR/R ≦ 3 %]
[S.S.
≦ 2 %]
−65 °C, 2 h
[
ΔR/R ≦ 2 %]
[S.S.
≦ 2 %]
150 °C, 250 h
[
ΔR/R ≦ 3 %]
[S.S.
≦ 2 %]
85 °C, 60 s
No leaks (No continuous bubbles)


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