 | Sichuan Yongxing Electronics Company Limited | | Product Detail | WXD221、222 Precision Wire-wound Potentiometer, multi-turns | Description:
| Product Class : Potentiometer·Precision Potentiometer
★ Electrical Characteristics
▲ Range of nominal
resistance
WXD221：100Ω~20KΩ
WXD222：50Ω~10KΩ
▲ Resistance tolerance：
±5%，±10%
▲ Terminal resistance：
≤1Ω or 0.3%R
▲ Dielectric strength：
WXD221：350Vac
WXD222：200Vac
▲ Effective electrical travel
WXD221：3600°
Description
L
WXD221
21
WXD222
14
★ Environment Characteristics
▲ Power rating
(WXD221:160Vmax,
WXD222:100Vmax)
WXD221:2W,WXD222:1W ＠ 70℃
125℃ ，0W＠ 125℃
▲ Temperature range： -55℃ ~+ 125℃
▲ T.C.R.：±250×10-6/℃
▲ Temperature cycle：
-55℃ ，30min，+ 125℃ ，30min
△R≤±2%R
▲ Collision： 390m /s2，4000次
△R≤±1%R
▲ Vibration：10~500HZ， 0.75mm ，6h
△R≤±1%R，
Electrical interruption≤100μs
Detail specification：Q/RU147-1999
▲ Climate category：Per IEC 68-2-2 etc.
△R≤±5%R，R1≥100MΩ
▲ Electricity endurance at 70℃ :1W or 2W，1000h
△R≤±(5%R+0.1Ω)，R1≥1GΩ
▲ Mechanical endurance：10000 cycles
△R≤±5%R，R1≥1GΩ
▲ Steady damp heat：As IEC 68-2-3 ，96h
△R≤±5%R，R1≥100MΩ
★ Physical Characteristics
▲ Total mechanical travel
WXD221：3600±10°
WXD222：1800±10°
▲ Starting torque：≤30mN.m
▲ Mark：
Type, trade mark
Nominal resistance, resistance tolerance |  |
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