MODELS B, D & E
3-5/16” Diameter
Multiturn
Wirewound
2
Precision Potentiometer
ELECTRICAL
B / BSP
15 TURN
D / DSP
25 TURN
E / ESP
40 TURN
Resistance Range, Ohms
40 to 2 Meg
5ꢀ
60 to 3.3 Meg
5ꢀ
125 to 5.3 Meg
5ꢀ
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity
1ꢀ
1ꢀ
1ꢀ
0.50ꢀ
0.50ꢀ
0.50ꢀ
Input Voltage, Maximum (Not to Exceed Power Rating)
Power Rating, Watts (Derating to 0 at 85°C)
Dielectric Strength
1,000Vdc
10 at 40°C
1,000V rms
100 Megohms
5,400° +4° -0°
1,000Vdc
15 at 40°C
1,000V rms
100 Megohms
9,000° +4° -0°
1,000Vdc
20 at 40°C
1,000V rms
100 Megohms
14,400° +4° -0°
Insulation Resistance, Minimum
Actual Electrical Travel, Nominal
End Voltage, Maximum
<0.50ꢀ of Input Voltage <0.50ꢀ of Input Voltage <0.50ꢀ of Input Voltage
Minimum Practical Independent Linearity:
<100 Ohms
0.10ꢀ
0.05ꢀ
0.05ꢀ
0.05ꢀ
0.05ꢀ
0.05ꢀ
100 Ohms to 999 Ohms
≥1K Ohms
0.035ꢀ
0.035ꢀ
≤13K
0.035ꢀ
≤30K
Noise:
500 Ohms, Maximum, RT =
250 Ohms, Maximum, RT =
1.5°, RT =
≤8K
>8K
>13K
>30K
Tap Tolerance:
<70 Ohms
≥70 Ohms
40 Ohms to 265 Ohms
<100 Ohms
≥100 Ohms
<150 Ohms
≥150 Ohms
1.0°, RT =
Temperature Coefficient: 800ppm/°C, RT =
20ppm/°C, RT =
60 Ohms to 440 Ohms 125 Ohms to 700 Ohms
300 Ohms to 8K, >142K 500 Ohms to 13.5K, >230K 800 Ohms to 30K, >340K
130ppm/°C, RT =
8.6K to 128K
14K to 213K
34K to 340K
ENVIRONMENTAL (MIL-R-12934)
B / BSP
15 TURN
D / DSP
25 TURN
E / ESP
40 TURN
Temperature Cycling, -65° to +85°C
5ꢀ ∆R
5ꢀ ∆R
5ꢀ ∆R
5ꢀ ∆R
5ꢀ ∆R
5ꢀ ∆R
Low Temperature Exposure, 24 hrs. at -65°C
Specifications subject to change without notice.
2-9
Model B, D & E Series