Trimmer potentiometer ST-32
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ST-32
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ST-32
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Surface Mount Cermet Trimmers (Single Turn)
FeaturesFeatures
- RoHS compliant
- Rotor with a cross slot for ease of adjustment
- Leaded terminals provide strong as adhesive strength
against P.C.B. bending - J-hook, Gull wing and leaded terminal configurations
- Sealed construction (Washable)
- 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
| 公Nominal resistance range | 10 Ω ~ 2 MΩ |
|---|---|
| Resistance tolerance | ± 20 % |
| Power ratings | 0.125 W (70 °C), 0 W (125 °C) |
| Resistance law | Linear law (B) |
| Maximum input voltage | DC200 V or power rating, whichever is smaller |
| Maximum wiper current | 100 mA or power rating, whichever is smaller |
| Effective electrical angle | 210 ° (1 turn) |
| End resistance | 1 % or 2 Ω , whichever is greater |
| C.R.V. | 1 % or 3 Ω , whichever is greater |
| Operating temp. range | -55 ~ 125 °C |
| Temp. coefficient | 10 Ω ~ 50 Ω: ± 250 10-6/°C maximum 100 Ω ~ 2 MΩ: ± 100 10-6/°C maximum |
| Insulation resistance | 1000 MΩ minimum (DC 500 V) |
| Dielectric strength | AC 500 V, 60 s |
| Net weight | Approx. 0.05 g (ST-32EA,EB) Approx. 0.11 g (ST-32EG,EH) |
Mechanical Characteristics
| Mechanical angle | 250° (1 turn) |
|---|---|
| Operating torque | 5 mN·m {51 gf·cm} maximum |
| Stop strength | 20 mN·m {204 gf·cm} minimum |
| Rotational life | 100 cycles [ΔR/R ≦ ± (2 Ω +3%)] |
| Thrust to rotor | 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 |
|---|---|---|
| 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 ≦ 2%] |
| 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. ≦ 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 |
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[ΔR/R ≦ 1%] |
Δ R/R: Change in total resistance
S.S.: Setting stability
S.S.: Setting stability
〈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) |
|---|---|---|---|
| 10※ | 11 | 1.00 | 100 |
| 20※ | 21 | 1.58 | 79.1 |
| 50 | 51 | 2.50 | 50.0 |
| 100 | 12 | 3.53 | 35.4 |
| 200 | 22 | 5.00 | 25.0 |
| 300 | 32 | 6.12 | 20.4 |
| 500 | 52 | 7.91 | 15.8 |
| 1k | 13 | 11.2 | 11.2 |
| 2k | 23 | 15.8 | 7.91 |
| 3k | 33 | 19.4 | 6.45 |
| 5k | 53 | 25.0 | 5.00 |
| 10k | 14 | 35.4 | 3.54 |
| 20k | 24 | 50.0 | 2.50 |
| 30k | 34 | 61.2 | 2.04 |
| 50k | 54 | 79.1 | 1.58 |
| 100k | 15 | 112 | 1.12 |
| 200k | 25 | 158 | 0.79 |
| 500k | 55 | 200 | 0.40 |
| 1M | 16 | 200 | 0.20 |
| 2M | 26 | 200 | 0.10 |
※ The products indicated by ※ mark are manufactured upon receipt of order basis.
Part Number Designation
| ST-32 | E | T | A | 100 Ω (12) |
|---|---|---|---|---|
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Series |
Terminal pins E: Sn-Cu (Lead-free) |
Packaging form T: Taping (Reel) Blank: Bulk in plastic bag |
Terminal shape (Adjust Pos.) A: J-hook (Top adjust) B: Gull wing (Top adjust) G: J-hook (Side adjust) H: Gull wing (Side adjust) |
Resistance value (Resistance code) |
| Nominal resistance values | 10Ω*, 20Ω*, 50Ω, 100Ω, 200Ω, 300Ω, 500Ω, 1kΩ, 2kΩ, 3kΩ, 5kΩ, 10kΩ, 20kΩ, 30kΩ, 50kΩ, 100kΩ, 200kΩ, 500kΩ, 1MΩ, 2MΩ |
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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. *10 Ω item, 20 Ω item are made to order.
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. | Terminal shape | Adjustment position | Packaging form | Packaging quantity | Material data | CAD |
|---|---|---|---|---|---|---|
| ST-32ETA | J-hook | Top adjust | Taping | 500 pcs./reel | ||
| ST-32EA | J-hook | Top adjust | Bulk | 100 pcs./pack | ||
| ST-32ETB | Gull wing | Top adjust | Taping | 500 pcs./reel | ||
| ST-32EB | Gull wing | Top adjust | Bulk | 100 pcs./pack | ||
| ST-32ETG | J-hook | Side adjust | Taping | 500 pcs./reel | ||
| ST-32EG | J-hook | Side adjust | Bulk | 100 pcs./pack | ||
| ST-32ETH | Gull wing | Side adjust | Taping | 500 pcs./reel | ||
| ST-32EH | Gull wing | Side adjust | Bulk | 100 pcs./pack |
Recommended P.C.B. Pad Outline Dimensions
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Outline Dimensions
ST-2/ST-32 Adjustment Tool
Environmental Data
- ●The above contents and descriptions are subject to change without notice.
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