P31-12 The Polytron P31-12 is an AC/DC converter providing a -12VDC output. It features Through Hole mounting and Short Circuit Protection.
Mfr Part #:

P31-12

Mfr Name: Polytron
Polytron
The Polytron P31-12 is an AC/DC converter providing a -12VDC output. It features Through Hole mounting and Short Circuit Protection.
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P31-12 Specifications Quick View

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

P31-12 Description

Short technical summary and product information.

The Polytron P31-12 is a linear encapsulated power module designed for AC to DC conversion. It offers a regulated -12VDC output with a current rating of 25mA per output, and has two outputs. The module is designed for Through Hole mounting and comes in a 7-DIP Module, 5 Leads package.

 

Key electrical specifications include line regulation of ±0.2% and load regulation of ±0.2%. It also features short circuit protection (SCP). The operating temperature range is -25°C to +71°C, with a storage temperature range of -25°C to +85°C. The dimensions are 88.9mm in length, 63.5mm in width, and 22.4mm in height.

 

This converter is suitable for ITE (Commercial) applications and carries UL, cURus, and CE approval. It operates with an input voltage range of 105-125 Vac at 50-60 Hz, with 400Hz also available. The isolation resistance is rated at 50MOhms.

P31-12 Quick Information

Product Type: AC DC Converter
Series: P31
Canonical Name: Polytron P31-12 AC/DC Converter
Subcategory: AC DC Converters

P31-12 Compliance

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

P31-12 Features

  • Provides regulated -12VDC output.
  • Features short circuit protection.
  • Designed for through hole mounting.
  • Operates from -25°C to 71°C.
  • UL, cURus, and CE approved.

P31-12 Applications

  • Used as a negative rail supply in industrial control systems.
  • Suitable for test and measurement equipment requiring -12V.
  • Ideal for powering op-amp circuits and analog electronics.
  • Can be mounted on PCBs in space-constrained designs.

P31-12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the P31-12?

The input voltage range is 105-125 Vac at 50-60 Hz, with 400 Hz also available.

What output voltage and current does the P31-12 provide?

It provides -12 VDC at 25 mA (two outputs are available, each 25 mA).

What is the operating temperature range of the P31-12?

The operating temperature range is -25°C to +71°C with free air convection cooling.

What package and mounting does the P31-12 use?

It is packaged in a 7-DIP module with 5 leads and uses through-hole mounting.

Does the P31-12 have any protection features?

Yes, it includes short circuit protection (SCP).

What are the dimensions of the P31-12?

The dimensions are 88.9 mm (3.50") length, 63.5 mm (2.50") width, and 22.4 mm (0.88") height.

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