NTE Electronics 64W Series Catalog Page
Features
• Multifinger precious metal wiper for long term set point stability
• Central pivot locating gear for improved stability
• Unique ratchet device integral with gear to ensure long term
reliability
• Double chevron shaft for sealing plus consistant torque and
reliable adjustability
• IC style pins for easier board insertion
Spectrol 64W Series
Trimmer − 3/8” square, multiturn
cermet
T6
.395
(10.03)
.188 (4.78)
.375 (9.52)
.064
(1.62)
321
.060
(1.52)
Shaft:.078 (1.98) Dia
Slot: .023 (0.58) x
.030 (0.76)
.020 (0.51) x
.012 (0.03) Typ
Spectrol No. NTE Part No.
64W−100 500−0192 10 Top T6
64W−200 500−0193 20 Top T6
64W−500 500−0194 50 Top T6
64W−101 500−0195 100 Top T6
64W−201 500−0196 200 Top T6
64W−501 500−0197 500 Top T6
64W−102 500−0198 1K Top T6
64W−202 500−0199 2K Top T6
64W−502 500−0200 5K Top T6
64W−103 500−0201 10K Top T6
64W−203 500−0202 20K Top T6
64W−253 500−0203 25K Top T6
64W−503 500−0204 50K Top T6
64W−104 500−0205 100K Top T6
64W−204 500−0206 200K Top T6
64W−254 500−0207 250K Top T6
64W−504 500−0208 500K Top T6
64W−105 500−0209 1M Top T6
64W−205 500−0210 2M Top T6
Value
(Ohms)
Adjust Diag No.
.087 (2.2)
.190
(4.83)
1
2
Clockwise
Wiper
.095
(2.41)
.100 (2.54)
Specifications
Electrical
Effective Travel: 25 turns nom
Resistance Range: 10Ω to 2 Meg Ω
Resistance Tolerance: ±10%
End Resistance: Less than 2Ω
Temperature Coefficient of Resistance:
Power Rating: 1/2 Watt @ 70°C derated to 0 Watts @ 125°C
Dielectric Withstanding Voltage:
Insulation Resistance: 1000 Meg Ω min
Contact Resistance Variation: 2% or 20Ω, whichever is greater
Mechanical
Stop: Contact idles at stop
Operating Torque: 3mNm nom
Resistance Element: Cermet
2−Terminal Adjustability: 0.05% of RT
3−Terminal Adjustability: 0.01% of applied voltage
Environmental
Operating Temperature: −55°C to +125°C
Electrical Endurance: 1000 hour
Mechanical Life: 200 cycles
100 ppm/°C. 100Ω thru 2 Meg Ω
0 to +250 ppm/°C. below 100Ω
1000V AC at sea level
250V AC at 80,000 feet (24,400 meters)
3
16
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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