Trimmpotentiometer ST-2
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SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN)
- RoHS compliant
- Compact and low-profile □ 2 mm single turn type
- Sealed construction
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) |
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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〉
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 | A | 100Ω | (101) |
---|---|---|---|---|
Series name |
Form of packaging
T: Taping (Reel)
Blank: Bulk in plastic bag
|
Product shape (Shape of terminal) A: J-hook(Top adjustment) |
Resistance value |
Resistance code |
LIST OF PART NUMBERS
Nominal resistance values | 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 3kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ, 200kΩ, 500kΩ, 1MΩ |
---|
■When ordering, be sure to combine the following models with the nominal resistance values shown above at the end.
PART NUMBER | Shape of terminal | Product shape | Form of packaging | Pieces in package | 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
Note) The zero point is the center of mounting.
OUTLINE DIMENSIONS
ST-2/ST-32 ADJUSTMENT TOOL
Unterlagen
Environmental Data
- ●Die oben genannten Inhalte können ohne vorherige Ankündigung geändert werden.