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 64X Series
Trimmer − 3/8” square, multiturn
cermet
T7
.060 (1.52)
.375 (9.52)
Spectrol No. NTE Part No.
64X−100 500−0215 10 Side T7
64X−200 500−0216 20 Side T7
64X−500 500−0217 50 Side T7
64X−101 500−0218 100 Side T7
64X−201 500−0219 200 Side T7
64X−501 500−0220 500 Side T7
64X−102 500−0221 1K Side T7
64X−202 500−0222 2K Side T7
64X−502 500−0223 5K Side T7
64X−103 500−0224 10K Side T7
64X−203 500−0225 20K Side T7
64X−253 500−0226 25K Side T7
64X−503 500−0227 50K Side T7
64X−104 500−0228 100K Side T7
64X−204 500−0229 200K Side T7
64X−254 500−0230 250K Side T7
64X−504 500−0231 500K Side T7
64X−105 500−0232 1M Side T7
64X−205 500−0233 2M Side T7
Value
(Ohms)
Adjust Diag No.
.064
(1.62)
.188 (4.78)
.100 (2.54)
.190
(4.83)
321
.395
(10.03)
.020 (0.51) x
.012 (0.03) Typ
.087 (2.2)
Shaft:.078 (1.98) Dia
Slot: .023 (0.58) x
.030 (0.76)
.095
(2.41)
1
2
Clockwise
Wiper
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
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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