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 (500 VDC) |
| Dielectric strength | 500 VAC, 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 |
Flow: 260 ±3 °C as the temperature in a pot of molten solder, immer sion from head of ter minal to backside of board, 5~6 s, two times maximum.
Reflow: Peak temperature 255 °C (Please refer to the profile below.)
Manual soldering: 350 ±10 °C, 3~4 s
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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: 2.10.00 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. | Terminal shape | Adjustment position | Packaging form | Packaging quantity | Material data | CAD | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-32ETA | J-hook | Top adjust | Taping | 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-32EA | J-hook | Top adjust | Bulk | 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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| ST-32ETB | Gull wing | Top adjust | Taping | 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-32EB | Gull wing | Top adjust | Bulk | 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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| ST-32ETG | J-hook | Side adjust | Taping | 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-32EG | J-hook | Side adjust | Bulk | 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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| ST-32ETH | Gull wing | Side adjust | Taping | 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-32EH | Gull wing | Side adjust | Bulk | 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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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.
ST-32ETA, ETB versions are boxed with 4 reels (2000 pcs.).
ST-32ETG, ETH versions are 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 dimensions
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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-32ETA,ETB
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●ST-32ETG,ETH(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 Data
- ●The above contents and descriptions are subject to change without notice.
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