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PBO-3-S3.3 The CUI Inc. PBO-3-S3.3 is a 2W AC-DC converter with a 3.3V output voltage. It features a wide input voltage range of 85-305 VAC and 65% efficiency.
Mfr Part #:

PBO-3-S3.3

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. PBO-3-S3.3 is a 2W AC-DC converter with a 3.3V output voltage. It features a wide input voltage range of 85-305 VAC and 65% efficiency.
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PBO-3-S3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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PBO-3-S3.3 Description

Short technical summary and product information.

The CUI Inc. PBO-3-S3.3 is an open-frame AC-DC power supply designed for ITE (Commercial) applications. It provides a 3.3VDC output with a maximum current of 600mA, delivering up to 1.98W of power.

 

This converter operates with a wide input voltage range of 85-305 VAC or 70-430 VDC and has an efficiency of up to 65%. It includes over-current and short-circuit protections with auto-recovery features. The unit is designed for through-hole mounting and comes in a 12-SIP module package.

 

Key electrical specifications include a switching frequency of 65 kHz and an operating temperature range of -40°C to 85°C with derating. The isolation voltage between input and output is 3,000 Vac for one minute.

PBO-3-S3.3 Quick Information

Product Type: AC DC Converter
Series: PBO-3
Canonical Name: CUI Inc. PBO-3 Series AC-DC Power Supply
Subcategory: AC-DC Converters

PBO-3-S3.3 Compliance

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

PBO-3-S3.3 Features

  • Provides 3.3VDC output voltage at 600mA.
  • Delivers up to 1.98W of output power.
  • Wide input voltage range of 85-305 VAC.
  • Operates efficiently at up to 65%.
  • Through-hole mounted 12-SIP module package.

PBO-3-S3.3 Applications

  • Ideal for industrial control panel power distribution.
  • Used in telecommunications equipment isolated power stages.
  • Suitable for embedded system board-level power supplies.
  • Designed for medical device auxiliary power circuits.
  • Applied in automation sensor network power modules.

PBO-3-S3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage and current of the PBO-3-S3.3?

The converter provides a nominal 3.3V DC output with a maximum current of 600mA.

What input voltage range does this AC/DC converter support?

It accepts a universal input voltage range of 85 to 305 VAC or 70 to 430 VDC.

What is the isolation voltage rating for this power supply?

The device offers 3000Vac isolation between the input and output terminals when tested for one minute.

What is the operating temperature range for the PBO-3-S3.3?

The converter operates reliably within a temperature range of -40°C to 85°C, with power derating applied above 60°C.

What package type and mounting style does this component use?

It utilizes a 12-SIP Module package with six leads designed for through-hole mounting.

How much output power does this AC/DC converter deliver?

The unit delivers a maximum output power of 1.98W at 65% efficiency.

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