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95A1D-Z28-EA0 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Model 95 Premium Guitar Potentiometer
*RoHS COMPLIANT
Features
■ 25K and 50K ohm resistance options for
active electronics
■ Knurled or plain shaft
■ Metal shaft
■ Conductive polymer element
■ Very low noise
Model 95 Premium Guitar Potentiometer
Initial Electrical Characteristics1
Standard Resistance Value .....................................................................................................................................................25K, 50K, 250K and 500K ohms
Total Resistance Tolerance................................................................................................................................................................................................. 20 %
Independent Linearity ......................................................................................................................................................................................................... ±5 %
Absolute Minimum Resistance ....................................................................................................................................................................... 2 ohms maximum
Effective Electrical Angle ........................................................................................................................................................................................... 225 ° ± 5 °
Contact Resistance Variation ............................................................................................................................................................................................. ±1 %
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level .............................................................................................................................................................................................1,500 VAC minimum
70,000 Feet .............................................................................................................................................................................................500 VAC minimum
Insulation Resistance (500 VDC) ......................................................................................................................................................1,000 megohms minimum
Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C ....................................................................................................................................................................................................................0.25 watt
+125 °C .......................................................................................................................................................................................................................0 watt
Theoretical Resolution....................................................................................................................................................................................Essentially infinite
Environmental Characteristics1
Operating Temperature Range .......................................................................................................................................................................-40 °C to +125 °C
Storage Temperature Range .......................................................................................................................................................................... -55 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range .............................................................................................................................. ±1,000 ppm/°C
Vibration ............................................................................................................................................................................................................................. 15 G
Total Resistance Shift...................................................................................................................................................................................±2 % maximum
Voltage Ratio Shift........................................................................................................................................................................................±5 % maximum
Shock.................................................................................................................................................................................................................................. 30 G
Total Resistance Shift...................................................................................................................................................................................±2 % maximum
Voltage Ratio Shift........................................................................................................................................................................................±5 % maximum
Load Life.................................................................................................................................................................................................................. 1,000 hours
Total Resistance Shift.................................................................................................................................................................................±10 % maximum
Rotational Life (No Load).................................................................................................................................................................................... 100,000 cycles
Total Resistance Shift................................................................................................................................................................................ ±20 % maximum
Contact Resistance Variation @ 50,000 cycles .......................................................................................................................................................... ±3 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift........................................................................................................................................................................ ±20 % TRS maximum
Insulation Resistance (500 VDC) ...................................................................................................................................................100 megohms minimum
IP Rating ............................................................................................................................................................................................................................IP 40
Mechanical Characteristics1
Mechanical Angle ....................................................................................................................................................................................................... 300 ° ±5 °
Rotational Torque ..............................................................................................................................................................................0.7 oz-in (50 g-cm) typical
Weight
Standard Bushing............................................................................................................................................................................................. 14.25 grams
Long Bushing ................................................................................................................................................................................................... 18.15 grams
Terminals .................................................................................................................................................................................................................. Solder lugs
Soldering Condition..................................................................... Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Marking............................................................................................................Manufacturer’s trademark, date code, resistance, manufacturer’s part number
Hardware .......................................... One lockwasher, one flat washer, two mounting nuts and one solder lug washer are shipped with each potentiometer.
1 AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
Audio Taper Plot
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
PERCENT EFFECTIVE ELECTRICAL CLOCKWISE ROTATION
Selection Guide
Part Number
95A1D-Z28-EA0/300L
95A1D-Z28-EA0/301L
95A1D-Z28-EA0/302L
95A1D-Z28-EA0/303L
95Z1D-Z33-EA0/304L
95Z1D-Z33-EA0/305L
Taper/Shaft
Resistance
Value (Ω)
Part Number
Taper/Shaft
Resistance
Value (Ω)
Audio/Knurled 250K
95A1D-Z28-EA0/317L Audio/Knurled
25K
Audio/Plain
250K
95A1D-Z28-EA0/318L Audio/Knurled
50K
Audio/Knurled 500K
Audio/Plain
500K
Audio/Knurled
(Long Bushing 250K
Version)
Audio/Knurled
(Long Bushing 500K
Version)
Audio/Knurled
95Z1D-Z33-EA0/319L (Long Bushing
25K
Version)
Audio/Knurled
95Z1D-Z33-EA0/320L (Long Bushing
50K
Version)
Schematic
1
3
CCW
2
POTENTIOMETER
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.