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Potentiometers / Rotary Potentiometers / 12 mm size /

R121ES-1B1-
12 mm size Rotary Potentiometers

R121ES-1B1-, Rotary Potentiometers 12 mm

Characteristics

Mechanical:  
Total rotational angle outer shaft: 120°±5°
inner shaft: 300°±5°
Rotational torque outer shaft: 30-250 gf.cm
inner shaft: 30-250 gf.cm
tuning shaft: 100 gf.cm max.
Rotation stopper strength outer shaft: 4 kgf.cm
inner shaft: 5 kgf.cm
Push pull strength 5 kgf max.
Click position 0 / Center click
Click torgue 60-450 gf.cm
   
Electrical:  
Total resistance 5 KΩ - 500 KΩ
Total resistance tolerance ±20%
Rated power 0.05 W
Max. operating voltage  B: 100 V
other than B: 50 V
Withstand voltage AC 500V (1 minute)
Resistance taper A, B, C
Residual resistance R >= 250 KΩ 0,1 % max. of total resistance
250 KΩ > R > 10 KΩ = 20 Ω max.
10 KΩ >= R = 10 Ω max.
Insulation resistance more than 50 MΩ at DC 500 V
Gang error -40 ~ 0 dB <= 3dB
   
Durability:  
Rotational life 10000 cycles
R121ES-1B1-, Rotary Potentiometers 12 mm

 

Circuit explanation

Type G2 G3 N1 N or G SN or SG
Terminal arrangement
Rotation angle 120° 120° 120° 300° 300°


Type SKL SKR GKL GKR  
Terminal arrangement  
Rotation angle 300° 300° 300° 300°