Potentiometers J series
Ideal for precision servo mechanism
- High linearity through precision wire winding
- Long life
- High following characteristics
- Low noise
- RoHS compliant

STANDARD SPECIFICATIONS
| Item | J40S | J45S | J50S |
|---|---|---|---|
| Resistance torelance | ± 5 % | ||
| Effective electrical angle | 350° ± 1.5° | 353° ± 1.5° | 355° ± 1.5° |
| Mechanical angle | 360° continuous | ||
| Power rating (at 40 °C) | 1 W | 1.3 W | 1.5 W |
| Dielectric strength | 1000 1 min Vrms | ||
| Insulation resistance | 1000 (at 500 VDC) MΩ minimum | ||
| Rotational torque | 0.59 {6} mN·m {gf·cm} maximum | 0.69 {7} mN·m {gf·cm} maximum | |
| Peak noise | 10 (4 min-1) Ω maximum | ||
| Temp. coefficient of resistance | ± 50 ppm / °C | ||
| Operating temp. range | - 55 ~ 85 °C | ||
| Maximum rotational speed | 100 min-1 | 200 min-1 | |
| Net weight | Approx. 58 g | Approx. 60 g | Approx. 73 g |
| Connecting accuracy | ± 1° (Based on No. 1 terminal) | ||
| Protection grade | IP40 | ||
RESISTANCE VALUES, RESOLUTION, INDEPENDENT LINEARITY, ROTATIONAL LIFE
| Nominal resistance value (Ω) | Resolution(%) | Independent linearity(%) | Rotational life (million cycles) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| J40S | J45S | J50S | J40S | J45S | J50S | J40S | J45S | J50S | |
| 500 | 0.13 | 0.12 | 0.1 | ± 0.15 | ± 0.1 | ± 0.1 | 5 | 10 | 10 |
| 1 k | 0.1 | 0.1 | 0.08 | ||||||
| 2 k | 0.08 | 0.07 | 0.06 | ||||||
| 5 k | 0.07 | 0.08 | 0.07 | ||||||
| 10 k | 0.07 | 0.05 | ± 0.15 | ± 0.15 | 1 | 1 | |||
| 20 k | — | 0.05 | — | 1 | |||||
| 50 k | 0.04 | 0.03 | |||||||
PART NUMBER DESIGNATION
| J 50 S | 500 |
|---|---|
|
Series name J40S J45S J50S |
Nominal resistance value(Ω) 500, 1 k, 2 k, 5 k, 10 k, 20 k, 50 k |
LIST OF PART NUMBERS
| Part number | Size | Nominal resistance value | CAD |
|---|---|---|---|
| J40S 500 | φ 40 mm | 500 Ω |
|
| J40S 1 k | 1 kΩ | ||
| J40S 2 k | 2 kΩ | ||
| J40S 5 k | 5 kΩ | ||
| J40S 10 k | 10 kΩ | ||
| J45S 500 | φ 44.45 mm | 500 Ω |
|
| J45S 1 k | 1 kΩ | ||
| J45S 2 k | 2 kΩ | ||
| J45S 5 k | 5 kΩ | ||
| J45S 10 k | 10 kΩ | ||
| J45S 20 k | 20 kΩ | ||
| J45S 50 k | 50 kΩ | ||
| J50S 500 | φ 50.8 mm | 500 Ω |
|
| J50S 1 k | 1 kΩ | ||
| J50S 2 k | 2 kΩ | ||
| J50S 5 k | 5 kΩ | ||
| J50S 10 k | 10 kΩ | ||
| J50S 20 k | 20 kΩ | ||
| J50S 50 k | 50 kΩ |
RATED POWER DERATING CURVE
OUTLINE DIMENSIONS
● J40S
● J45S
● J50S

● List of outline dimensions

Documents
- ●The above contents and descriptions are subject to change without notice.




