NTE Electronics 357 Series Catalog Page

Features

• Compact size

• Stainless steel 1/4” diameter shaft

• Turret type, solder plated terminals

• Plastic housing with non−turn pin

Spectrol 357 Series

Potentiometer − 1 Watt, 7/8” round
case, 1/4” dia. shaft, single turn

Spectrol No. NTE Part No.

357−0−0−102 502−0080 1K 7/8” P11

357−2−0−102 502−0087 1K 7/8” P11

357−0−0−202 502−0081 2K 7/8” P11

357−2−0−202 502−0088 2K 7/8” P11

357−0−0−502 502−0082 5K 7/8” P11

357−2−0−502 502−0089 5K 7/8” P11

357−0−0−103 502−0083 10K 7/8” P11

357−2−0−103 502−0090 10K 7/8” P11

357−0−0−203 502−0084 20K 7/8” P11

357−2−0−203 502−0091 20K 7/8” P11

357−0−0−503 502−0085 50K 7/8” P11

357−2−0−503 502−0092 50K 7/8” P11

Value

(Ohms)

Shaft

Length

NOTE: 357−0−XX−XXX types are continuous rotation

357−2−XX−XXX types contain rotation stops

Diag

No.

P11

90°

.176 (4.47) R
(3 Terminal Pins)

1

Clockwise

L.365 (9.26)

.407

(10.34)

.875

(22.22)

3/8−32 UNEF−2A

.062 (1.57) Dia

(3.18)

Wiper

2

3

.062 (1.57).125

L = Shaft Length (See Table)

.2497
(6.34)

Dia

Specifications

Electrical

Resistance Range − Linear Taper: 1K Ω to 50K Ω
Resistance Tolerance: ±20%
Power Rating: 1 Watt @ 70°C derated to 0 Watts @ 125°C
Temperature Coefficient of Resistance: ±600ppm/°C
Linearity Tolerance: ±2% independent
Output Smoothness: 0.1% max
Insulation Resistance: 1000 Meg Ω min, 500VDC
Dielectric Strength: 1000V RMS min 50Hz
End Voltage: 0.5% max
Electrical Travel: 340° ±3°
Rotation Life: 2,000,000 shaft revolutions

Mechanical

Bearing Type Bushing: Sleeve bearing
Resistance Element: Conductive plastic
Mechanical Rotation: 360° (Continuous), 340° ±3° (With Stops)
Starting and Running Torque: 3.68mNm (0.5 oz in)
Shaft Tolerance: 0.13 mm (Runout)

Rotation Life: 10,000,000 shaft revolutions

Environmental

Operating Temperature: −55°C to +125°C
Load Life: 1000 hr.

0.25 mm (End Play)

0.13 mm (Radial Play)

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NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com