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■ meets mil-R-27208
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WT22 Wire-Wound Trimmer
Potentiometer
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★ Electrical Characteristics
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▲ Nominal resistance range：50Ω~10KΩ
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▲ Resistance tolerance：
±5%
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▲ Terminal resistance：
≤2%R or
1Ω
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▲ Peak noise：≤100Ω
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▲ Insulation resistance：
R1≥
1000M
Ω
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▲ Dielectric strength：900Vac
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▲ Effective electrical
travel：≥20
turns
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★ Environment Characteristics
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▲ Power rating：
0.75W ＠
70℃
，
0W ＠
125℃
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▲ Temperature range：
-55℃
~+
125℃
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▲ T.C.R.：±50×10-6/℃
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▲ Moisture
proof：
25~
65℃
，90~98%
R.H.24h×10 times
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★
Noumal Resistance Table
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Resistance
(Ω)
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50
100
200
500
1000
2000
5000
10000
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△R≤±(1%R+0.05Ω)，R1≥100MΩ
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▲ Shock：
100g
，18times
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△R≤±(1%R+0.05Ω)
△(Uab/Uac)≤1%
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▲ High-frequency vibration：
10~2000HZ，
0.75mm
，12h
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Detail specification：SJ20221-92
general specification：GJB917-90
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△R≤±(1%R+0.05Ω)，△(Uab/Uac)≤1%
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▲ High temperature life：
70±
5℃
，0.75W，1000h
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△R≤±2%R，△(Uab/Uac)≤±2%
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▲ Low temperature operation：
-55℃
、0.75W，45min
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△R≤(1%R+0.05Ω)，△(Uab/Uac)≤±1%
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▲ High temperature storage：
125℃
，250h
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△R≤(1%R+0.05Ω)，△(Uab/Uac)≤±1%
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▲ Rotation life：200 cycles
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△R≤±2%R
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▲ Immersion：
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Dip in the water at
85℃
for 1min
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★ Physical Characteristics
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▲ Starting torque：≤35mN.m
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▲ Mark：
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Type, TCR
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Thermal characteristic, terminal shape
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Nominal
resistance, trade mark of the manufacturer
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▲
Standard package：
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50 pcs/box, 100 pcs/box,
200 pcs/box
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Specification are subject to change without notice.
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