position：
product
--wh121型
wh121 insulating footstalk rotating carbon film potentiometer
no.1
overall
overall dimension installation dimension
wh121n1a-□-
x
no.2
overall
overall dimension installation dimension
wh121n1a1-□-
x
no.3
overall
overall dimension installation dimension
wh121n1d-□-
x
total rotational
300°±5°
nominal power
0.0017w
rotational torque
2～15mn.m
max operating volerance
ac50v/dc20v
rotationa stopper strength
600mn.m
terminal power
r≥250kω 0.1%r max
250kω＞r＞10kω 20ω max
10kω≥r 10ω max
push pull strength
50n
slide noise
≤47mv
total resistance range
500ω～2mω
insulation resistance
more than 100mω at dc250v
total resistance tolerance
±20%(more than 1mω±30%)
withstand voltage
for 1 minute or more at ac250v
resistance taper
a、b、c
rotational life
15,000 cycles
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copyright:
copyright:zhejiang lingfeng electron co,ltd.
design :lu-ding
