Trimmpotentiometer ST-2
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ST-2
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ST-2
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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 | DC50 V 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 (DC 500 V) |
| Dielectric strength | AC 500 V, 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 timesmaximum 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: 2.09.00) can be downloaded from the popup 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 | ||
| ST-2A | J-hook | Top adjustment | Plastic bag | 100 pcs./pack |
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
Environmental Data
- ●Die oben genannten Inhalte können ohne vorherige Ankündigung geändert werden.
Produkte
