Spectrol 64W Series

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
.375 (9.52)
.064
(1.62)
.060
(1.52)
Shaft:.078 (1.98) Dia
Slot: .023 (0.58) x
.030 (0.76)
.395
(10.03)
.188 (4.78)
3
2
1
.020 (0.51) x
.012 (0.03) Typ
.087 (2.2)
.100 (2.54)
.190
(4.83)
Spectrol No.
NTE Part No.
Value
(Ohms)
Adjust
Diag 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
Specifications
64W−202
500−0199
2K
Top
T6
Electrical
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
Effective Travel: 25 turns nom
Resistance Range: 10Ω to 2 Meg Ω
Resistance Tolerance: ±10%
End Resistance: Less than 2Ω
Temperature Coefficient of Resistance:
100 ppm/°C. 100Ω thru 2 Meg Ω
0 to +250 ppm/°C. below 100Ω
Power Rating: 1/2 Watt @ 70°C derated to 0 Watts @ 125°C
Dielectric Withstanding Voltage:
1000V AC at sea level
250V AC at 80,000 feet (24,400 meters)
Insulation Resistance: 1000 Meg Ω min
Contact Resistance Variation: 2% or 20Ω, whichever is greater
.095
(2.41)
2
1
Wiper
3
Clockwise
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
16
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com