P31AX The Polytron P31AX is an AC/DC converter featuring a -15V output with 25mA current. It is designed for Through Hole mounting and includes short circuit protection.
Mfr Part #:

P31AX

Mfr Name: Polytron
Polytron
The Polytron P31AX is an AC/DC converter featuring a -15V output with 25mA current. It is designed for Through Hole mounting and includes short circuit protection.
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P31AX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Features
Height
Length
Mounting Type
Number of Outputs
Operating Temperature
Package / Case
Protection Features
SVHC Present
Storage Temperature
Temperature Coefficient
Type
Voltage
Width

P31AX Description

Short technical summary and product information.

The Polytron P31AX is a linear encapsulated power module designed as an AC/DC converter. It provides a regulated -15V DC output with a current rating of 25mA per output, suitable for applications requiring dual outputs.

 

This module features Through Hole mounting and comes in a 7-DIP module package. Key electrical specifications include a line regulation of ±0.2% and a load regulation of ±0.2%. It also offers short circuit protection for enhanced reliability.

 

The operating temperature range is from -25°C to +71°C, with an optional wider range available. The device is approved by CE, cURus, and UL, indicating compliance with relevant safety standards for ITE (Commercial) applications.

 

Dimensions are 88.9mm x 63.5mm x 22.4mm. The P31AX is part of the P3 series, known for its regulated DC outputs and PC card or chassis mounting options.

P31AX Quick Information

Product Type: AC DC Converter
Series: P3
Canonical Name: Polytron P31AX AC/DC Converter
Subcategory: Board Mount

P31AX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

P31AX Features

  • Provides -15V DC output at 25mA.
  • Features Through Hole mounting.
  • Includes short circuit protection.
  • Operates from -25°C to +71°C.
  • CE, cURus, UL approved.

P31AX Applications

  • Ideal for powering dual-supply op-amp circuits.
  • Used in industrial control systems requiring isolated ±15V.
  • Suitable for board-level power distribution.
  • Can be used in test and measurement equipment.

P31AX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage requirement?

The P31AX accepts a nominal 115 Vac input. It supports 105-125 Vac at 50-60 Hz, and 115 Vac at 400 Hz is also available.

What is the output voltage?

The output voltage is -15 Vdc.

What package is the P31AX available in?

It is available in a 7-DIP Module package with through-hole mounting.

What is the operating temperature range?

The standard operating temperature range is -25°C to +71°C. An optional extended range of -40°C to +85°C is also available.

What is the output current rating?

The output current is 25mA.

What is the voltage accuracy?

The voltage accuracy is ±1.0% at full load for single outputs.

Does the P31AX have protection features?

Yes, it includes short circuit protection.

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