Potentiometer/Trimmer Selector Guide


Economy Trimmers - Multiturn
Series 500E Series
(Replaces Spectrol
43P Series)
500E Series
(Replaces Spectrol
64W Series)
500E Series
(Replaces Spectrol
64X Series)
500E Series
(Replaces Spectrol
64Y Series)
500E Series
(Replaces Spectrol
74W Series)
Package Type Package Type Package Type Package Type Package Type
Package Size 3/4" Rectangle 3/8" Square 3/8" Square 3/8" Square 1/4" Square
Adjustment Side Top Side Top Top
Element Type Cermet Cermet Cermet Cermet Cermet
Resistance Range 20 Ohms to 1 Meg Ohms 10 Ohms to 1 Meg Ohms 50 Ohms to 10K Ohms 100 Ohms to 100K Ohms 1K Ohms to 50K Ohms
Resistance Tolerance ±10% ±10% ±10% ±10% ±10%
TC PPM/°C ±100 ±100 ±100 ±100 ±100
Power Rating 3/4W @ +70°C 1/2W @ +70°C 1/2W @ +70°C 1/2W @ +70°C 1/4W @ +85°C
Electrical Travel 22 Turns 28 Turns 28 Turns 28 Turns 12 Turns
Contact Resistance
Variation (CRV)
≤ 1% or 1 Ohm ≤ 1% or 3 Ohms ≤ 1% or 3 Ohms ≤ 1% or 3 Ohms 3% or 5 Ohms
Temperature Range -55° to +125°C -55° to +150°C -55° to +150°C -55° to +150°C -55° to +150°C
Mechanical Life 200 Cycles 200 Cycles 200 Cycles 200 Cycles 200 Cycles




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