Trimmer potentiometer ST-2
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ST-2
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ST-2
- ●To make a purchase, contact Distributors, or use e-commerce below.
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Surface Mount Cermet Trimmers (Single turn)
FeaturesFeatures
- Compact and low-profile □ 2 mm single turn type
- Sealed construction
- In this series, material data sheets ideal for REACH-SVHC
surveys etc. can be downloaded in chemSHERPA-AI format. - Download chemSHERPA-AI from the list of P/N below
Electrical Characteristics
| Nominal resistance range | 100 Ω ~ 1 MΩ |
|---|---|
| Resistance tolerance | ± 20 % |
| Power ratings | 0.1 W (70 °C), 0 W (125 °C) |
| Resistance law | Linear law (B) |
| Maximum input voltage | 50 VDC or power rating, whichever is smaller |
| Maximum wiper current | Within power ratings (I=√P/R A) |
| Effective electrical angle | 240 ° (1 turn) |
| End resistance | 1 % or 2 Ω, whichever is greater |
| C.R.V. | 2 % or 3 Ω, whichever is greater |
| Operating temp. range | -55 ~ 125 °C |
| Temp. coefficient | ±150 10-6/°C |
| Insulation resistance | 1000 MΩ minimum (500 VDC) |
| Dielectric strength | 500 VAC, 60 s |
| Net weight | Approx. 0.032 g |
Mechanical Characteristics
| Mechanical angle | 270 ° (1 turn) |
|---|---|
| Operating torque | 5 mN·m {51 gf·cm} max. |
| Stop strength | 8 mN·m {78.4 gf·cm} min. |
| Rotational life | 50 cycles [ΔR/R ≦ ±(2 Ω +5 %)] |
| Thrust to rotor | 3 N {0.31 kgf} min. |
| 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 |
|---|---|---|
| Thermal shock | -65 ~ 125 °C (0.5 h), 5 cycles | [ΔR/R ≦ 2 %] [S.S. ≦ 2 %] |
| Humidity | -10 ~ 65 °C (Relative humidity 80 ~ 98 %), 10 cycles, 240 h | [ΔR/R ≦ 2 %] |
| Shock | 981 m/s2, 6 ms 6 directions for 3 times each | [ΔR/R ≦ 2 %] [S.S. ≦ 1 %] |
| Vibration | Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each |
[ΔR/R ≦ 2 %] [S.S. ≦ 1 %] |
| Load life | 70 °C, 0.1 W 1000 h | [ΔR/R ≦ 3 %] [S.S. ≦ 1 %] |
| Low temp. operation | -55 °C, 2 h | [ΔR/R ≦ 2 %] [S.S. ≦ 2 %] |
| High temp. exposure | 125 °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） Flow soldering: 260 ±3 °C, 5~6 s, two times maximum Manual soldering: 350 ±10 °C, 3~4 s |
[ΔR/R ≦ ± 1 %] |
〈Reflow profile for soldering heat evaluation〉
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Maximum Input Ratings
| Nominal resistance values (Ω) | Resistance code | Maximum input voltage (V) | Maximum wiper current (mA) |
|---|---|---|---|
| 100 | 101 | 3.16 | 31.6 |
| 200 | 201 | 4.47 | 22.4 |
| 500 | 501 | 7.07 | 14.1 |
| 1k | 102 | 10.0 | 10.0 |
| 2k | 202 | 14.1 | 7.1 |
| 5k | 502 | 22.3 | 4.5 |
| 10k | 103 | 31.6 | 3.2 |
| 20k | 203 | 44.7 | 2.2 |
| 50k | 503 | 50.0 | 1.0 |
| 100k | 104 | 50.0 | 0.5 |
| 200k | 204 | 50.0 | 0.25 |
| 500k | 504 | 50.0 | 0.1 |
| 1M | 105 | 50.0 | 0.05 |
Part Number Designation
| ST-2 | T | W | 100 Ω (101) |
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Series |
Form of packaging T: Taping (Reel) Blank: Bulk in plastic bag |
Terminal shape (Adjust Pos.) A: J-hook (Top adjustment) |
Resistance value (Resistance code) |
| Nominal resistance values |
100 Ω, 200 Ω, 500 Ω, 1 kΩ, 2 kΩ, 3 kΩ, 5 kΩ, 10 kΩ, 20 kΩ, 50 kΩ, 100 kΩ, 200 kΩ, 500 kΩ, 1 MΩ
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When ordering, please be sure to include the above nominal resistance value at the end of the part number in the table list below. For resistance code, please refer to the Maximum Input Ratings table in the previous section.
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. | Shape of terminal | Product shape | Form of packaging | Pieces in package | Material data | CAD | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-2TA | J-hook | Top adjustment | 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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| ST-2A | J-hook | Top adjustment | Plastic bag | 100 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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Recommended P.C.B. Pad Outline Dimensions
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Note) The zero point is the center of mounting.
Outline Dimensions
ST-2/ST-32 Adjustment Tool
Packaging Specifications
〈Taping packaging 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 (500 pcs.).
Maximum number of consecutive missing pieces=2 Leader length and reel dimension are shown in the diagrams below.
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●Embossed tape dimension
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●Reel dimensions(Unit: mm)(Conforms to JIS C 0806-3 , In accordance with EIAJ ET-7200A)
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● ST-2TA(Unit: mm)
〈Bulk pack specifications〉
Unit of bulk in a plastic bag is 100 pcs. per pack.
Boxing of bulk in a plastic bag is performed with 500 pcs. per box.
Environmental Certificate
- ●The above contents and descriptions are subject to change without notice.
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