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Series P and PR trimmers feature carbon composition elements and a compact size
for applications requiring high reliability.

Series P
Precision Series P

Features

• hot molded carbon element
• all metal shaft and housing
• sealed for PCB washing
• pin terminals or solder lugs
• compact size

Electrical Specifications

• Resistance range, linear taper: 100  to 5 Meg 
• Resistance range, logarithmic taper: 150  to 1 Meg 
• Resistance tolerance: ±10% or ±20%
• Resistance taper: linear, logarithmic, reverse logarithmic; other tapers by special order
• Power rating: 1/3 watt at 70°C derated to 0 watts at 120°C
• Insulation resistance:
• dry: 10K Meg 
• wet: 100K Meg 
• Dielectric strength: 750 V RMS at sea level
• Operating voltage: 350 V, subject to power rating

Mechanical Specifications

• Mechanical rotation: 295°
• Operating torque: 0.5 oz/in to 6 oz/in
• Rotational life: 25,000 cycles

​Environmental Specifications

• Operating temperature: -65°C to +125°C
• Resistance to soldering heat: 350°C for 5 seconds
• Humidity range: per MIL-R-94
• Vibration range: per MIL-R-94
• Shock resistance: per MIL-R-94
• Load life: 1000 hours at 70°C

Ordering Information - Series P

Example: PU1052

    Series:

​
​P = series P

​
​Blank = lug terminal
R = pin terminal

   Ground lug:

​
​Blank = without lug
G = with ground lug

       Taper:


​U = linear
A = logarithmic
B = reverse logarithmic

Resistance value:

Total resistance
value in :
first two digits
significant,
third digit =
number of zeroes

      Tolerance:


1 = 10% of nominal
2 = 20% of nominal