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7286R1KT2L.25XX中文资料

MODEL 7280 SERIES

7/8” Diameter 10-Turn Wirewound

Precision Potentiometer

E L E C T R I C A L

Resistance Range, Ohms

100 to 100K

Standard Resistance Tolerance

±5%Minimum Practical Resistance Tolerance ±1%Independent Linearity

±0.25%

Minimum Practical Independent Linearity ±0.15%, < 300 Ohms ±0.075%, ≥300 Ohms

Power Rating, Watts 2.0 at 70°C derating to 0 at 125°C

Dielectric Strength

1,000V rms Insulation Resistance, Minimum 1,000 Megohms

Noise, Maximum

100 Ohms

Actual Electrical Travel 3600°+ 10°– 0°, > 100 Ohms 3600°+ 10°– 5°, ≤100 Ohms

Tap Tolerance

±3°

End Voltage, Maximum 0.25% of input voltage

M O D E L S T Y L E S

72811/8” Shaft, 1/4” Bushing

72831/8” Shaft, Servo

72846mm Shaft, 3/8” Bushing 7286

1/4” Shaft, 3/8” Bushing 7288 (for heavy side load applications) NEW PRODUCT

1/4” Shaft, 3/8” Bushing

Specifications subject to change without notice.

E N V I R O N M E N T A L(M I L-R-12934)

Operating Temperature Range Static: –55°C to +125°C

Dynamic: –40°C to +125°C Temperature Cycling 5 cycles, –55°C to +125°C (5% ?R) Shock, 6ms Sawtooth100G’s (0.1ms discontinuity max.) Vibration15G’s, 10 to 2,000 Hz (5% ?R, 0.1ms discontinuity max.) Moisture Resistance Five 24 hour cycles (3% ?R) High Temperature Exposure1,000 hours at 125°C (5% ?R) Rotational Load Life 1 mil. shaft rev. + 900 hrs. at rated wattage at 70°C (5% ?R) Rotational Life Model 7288 (1 pound Side Load) 1 mil. shaft rev. + 900 hrs. at rated wattage at 70°C (5% ?R)

M E C H A N I C A L

Total Mechanical Travel3600°+ 15°– 0°Number of Gangs, Maximum2 Weight, Nominal (single gang)0.75 oz. Backlash, Maximum1°

7281, 7284, 72867283 Static Stop Strength60 oz.-in.36 oz.-in. Panel Nut Tightening Torque, Maximum25 lb.-in.N/A Shaft End Play, Maximum.010”.005”Shaft Runout, T.I.R., Maximum.003”.002”Pilot Diameter Runout, T.I.R., Maximum.004”.002”Lateral Runout, T.I.R., Maximum.005”.004”Shaft Radial Play, Maximum.003”.002”Start/Run Torque, Maximum (per gang)0.8 oz.-in.0.6 oz.-in.

S T A N D A R D R E S I S T A N C E V A L U E S,O H M S

Theoretical

Total Resolution Tempco Resistance(% Nominal)of Wire

1000.059±20 ppm/°C

2000.037±20 ppm/°C

5000.030±20 ppm/°C

1K0.024±20 ppm/°C

2K0.020±20 ppm/°C

5K0.018±20 ppm/°C

10K0.017±20 ppm/°C

20K0.016±20 ppm/°C

50K0.010±20 ppm/°C

100K0.008±20 ppm/°C

O U T L I N E D I M E N S I O N S (I n c h /m m

)

O P T I O N A L T E R M I N A L C O N F I G U R A T I O N

O P T I O N A L T E R M I N A L C O N F I G U R A T I O N

O U T L I N E D I M E N S I O N S(I n c h/m m)

M E T R I C C O N V E R S I O N S

1 in.25.4 mm 1 oz.28.4 gm 1 oz.-in.0,007 N-m 1 lb.-in.0,113 N-m

O R D E R I N G I N F O R M A T I O N

7286 R 10K T2 L .25 XX

Model Series Resistance Prefix Resistance Value

Optional Special Feature Code

Linearity

Optional

Non-Standard Tolerance

N O T E S

C I R C U I T

D I A G R A M M A T C H I N G T U R N S C O U N T I N G D I A L S

S P E C I A L F E A T U R E S

Center Tap CT Linearity Tape

LT Rear Shaft Extension (7283, 7286 single cup only)RS Gold Plated Solder Lug Terminals (See Optional Terminal Configuration)

FT

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