Trimmpotentiometer SM-31
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SM-31
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SM-31
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Multiturn Surface Mount Cermet Trimmers (5 turns)
FeaturesFeatures
- Multiturn type: 5 turns
- Fine adjustment is available
- Automatic mounting is available (Taping)
- Reflow soldering is available
- Sealed construction (Washable)
- Resin material is UL Recognized 94V-0
- In this series, chemSHERPA-AI downloads are available,
which can be used for REACH-SVHC surveys, etc. - Download chemSHERPA-AI from the list of P/N below
Electrical Characteristics
Power ratings | 0.125 W (70 °C) 0 W (150 °C) |
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Nominal resistance range | 50 Ω ~ 2 MΩ |
Resistance tolerance | ± 20 % |
Resistance law | Linear law (B) |
Maximum input voltage | 200 VDC or power rating, whichever is smaller |
Maximum wiper current | 100 mA or power rating, whichever is smaller |
Effective electrical turn | 5 turns (cf. SM-3: 11 turns) |
End resistance | 1 % or 3 Ω , whichever is greater |
C.R.V. | 3 % or 3 Ω , whichever is greater |
Operating temp. range | -65 ~ 150 °C |
Temp. coefficient | ±100 10-6/°C maximum |
Insulation resistance | 1000 MΩ minimum (500 VDC) |
Dielectric strength | 600 VAC, 60 s |
Net weight | Approx. 0.10 g |
Mechanical Characteristics
Operating torque | 5 mN·m {51 gf·cm} maximum |
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Mechanical stop | Clutch action |
Rotational life | 200 cycles [ΔR/R ≦ ± (2 Ω +3 %)] |
Thrust to shaft | 5 N {0.51 kgf} minimum |
Solderability | 245 ± 3 °C, 2~3 s |
Shear (Adhesion) | 5 N {0.51 kgf} 10 s |
Substrate bending | Width 90 mm, bend 3 mm, 5 s, 1 time |
Pull-off strength | 5 N {0.51 kgf} 10 s |
Environmental Characteristics
Test item | Test conditions | Specifications |
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Thermal shock | -65~125 °C (0.5 h), 5 cycles | [ΔR/R ≦ 2%] [S.S. ≦ 1%] |
Humidity | -10~65 °C (Relative humidity 80~98%), 10 cycles, 240 h | [ΔR/R ≦ 3%] |
Shock | 981 m/s2, 6 ms 6 directions for 3 times each | [ΔR/R ≦ 1%] [S.S. ≦ 1%] |
Vibration | Amplitude 1.52 mm or Acceleration 196 m/s2, 10~2000 Hz, 3 directions, 12 times each | [ΔR/R ≦ 1%] [S.S. ≦ 1%] |
Load life | 70 °C, 0.125 W, 1000 h | [ΔR/R ≦ 3 %] [S.S. ≦ 3 %] |
Low temperature operation | -65 °C, 2 h | [ΔR/R ≦ 2%] [S.S. ≦ 2%] |
High temperature exposure | 150 °C, 250 h | [ΔR/R ≦ 3%] [S.S. ≦ 2%] |
Immersion seal | 85 °C, 60 s | No leaks (No continuous bubbles) |
Soldering heat | Reflow: Peak temperature 255 °C (Please refer to the profile below.) Manual soldering: 350 ±10 °C, 3~4 s |
[ΔR/R ≦ 1%] |
Δ R/R: Change in total resistance
S.S.: Setting stability
〈Reflow profile for soldering heat evaluation〉
Maximum Input Ratings
Nominal resistance values(Ω) | Resistance code | Maximum input voltage (V) | Maximum wiper current (mA) |
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50 | 500 | 2.50 | 50.0 |
100 | 101 | 3.53 | 35.4 |
200 | 201 | 5.00 | 25.0 |
500 | 501 | 7.91 | 15.8 |
1k | 102 | 11.2 | 11.2 |
2k | 202 | 15.8 | 7.91 |
5k | 502 | 25.0 | 5.00 |
10k | 103 | 35.4 | 3.54 |
20k | 203 | 50.0 | 2.50 |
50k | 503 | 79.1 | 1.58 |
100k | 104 | 112 | 1.12 |
200k | 204 | 158 | 0.79 |
500k | 504 | 200 | 0.40 |
1M | 105 | 200 | 0.20 |
2M | 205 | 200 | 0.10 |
Part Number Designation
SM-3 | 1 | T | W | 500Ω | (501) |
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Series name |
Electrical turn
Blank: 11 turns 1: 5 turns |
Form of packaging
T: Taping (Reel)
Blank: Bulk in plastic bag
|
Product shape / Shape of terminal
W: Top adjustment / J-hook
A: Side adjustment / J-hook B: Side adjustment / Gull wing |
Resistance value |
Resistance code |
Nominal resistance values | 50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ, 200kΩ, 500kΩ, 1MΩ, 2MΩ |
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The above part numbers are all available with the respective combination of Nominal resistance values. For the resistance value symbol, please refer to the Maximum Input Rating table above.
List of Part Numbers
CAD and chemSHERPA-AI (a material data sheet ideal for REACH surveys, etc. / version: 2.10.00 or 2.09.00 available) can be downloaded from the button for each P/N in the table below. *Need to log in to download.
Part No. | Electrical turns | Adjustment position | Shape of terminal | Form of packaging | Packaging quantity | Material data | CAD | |||||||
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SM-31TW | 5 turns | Top adjustment | J-hook | Taping (Reel) |
500 pcs./reel |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
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SM-31W | 5 turns | Top adjustment | J-hook | Plastic bag | 50 pcs./pack |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
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SM-31TA | 5 turns | Side adjustment | J-hook | Taping (Reel) |
500 pcs./reel |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
|
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SM-31A | 5 turns | Side adjustment | J-hook | Plastic bag | 50 pcs./pack |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
|
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SM-31TB | 5 turns | Side adjustment | Gull wing | Taping (Reel) |
500 pcs./reel |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
|
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SM-31B | 5 turns | Side adjustment | Gull wing | Plastic bag | 50 pcs./pack |
Downloadable chemSHERPA-AI files by selecting the latest ver. 2.10.00 or the previous ver. 2.09.00 from the following buttons. [Need to log in to download]
*
You can download the chemSHERPA Data(AI) Entry Support Tool for articles V2R1.00.1 (compatible with up to the latest data sheet ver.2.10) from here.
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Taping specification is not sold separately and must be purchased in reel units.
Recommended P.C.B. Pad Outline Dimensions
Outline Dimensions
Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
Packaging Specifications
〈Bulk pack specifications〉
Taping version is packaged in 500 pcs. per reel.
Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc.
Taping version is boxed with one reel.
Maximum number of consecutive missing pieces = 2.
Leader length and reel dimension are shown in the diagrams below.
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●Embossed tape dimensions
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●Reel dimensions(Unit: mm)(Conforms to JIS C 0806-3 , In accordance with EIAJ ET-7200A)
(Unit: mm)
〈Bulk pack specifications〉
Unit of bulk in a plastic bag is 50 pcs. per pack
Boxing of bulk in a plastic bag is performed with 200 pcs. per box.
Environmental Data
- ●Die oben genannten Inhalte können ohne vorherige Ankündigung geändert werden.