# PQA30-D48-S3-TH - CUI Inc. DC-DC Converter

## Product Summary

The CUI Inc. PQA30-D48-S3-TH is a 30W enclosed DC-DC converter with a 3.3V output voltage and 6A output current. It operates from an input voltage range of 18-36 Vdc.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | PQA30-D48-S3-TH |
| Manufacturer | CUI Inc. |
| Product Type | DC-DC Converter |
| Series | PQA30-T |
| Category | Power Supplies - ExternalInternal (Off-Board) |
| Subcategory | Enclosed |
| Mounting Type | Chassis Mount |

## Description

The CUI Inc. PQA30-D48-S3-TH is an enclosed DC-DC converter from the PQA30-T series, designed for reliable power conversion in various applications. It delivers a single, regulated output of 3.3V at up to 6A, providing a total output power of 30W.

This converter features a wide 2:1 input voltage range of 18-36 Vdc, making it versatile for different power sources. It offers 1,500 Vdc isolation for enhanced safety and protection. Key protections include short circuit, over current, and over voltage.

The PQA30-D48-S3-TH operates within an extended temperature range of -40°C to 85°C, with derating. Its compact dimensions (76.0mm x 31.5mm x 25.1mm) and chassis mount type facilitate integration into systems. The converter also includes remote on/off control and a pi filter for input current.

With an efficiency of up to 85% and features like line and load regulation, this DC-DC converter is suitable for ITE (Commercial) applications requiring stable and efficient power.

## Key Specifications

| Specification | Value |
| --- | --- |
| Applications | ITE (Commercial) |
| Approval Agency | CE |
| Current | 6 A |
| Efficiency | 85 % |
| Filter Type | pi filter |
| Height | 25.1 mm (0.99") |
| Length | 76 mm (2.99") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C (With Derating) |
| Output Current | 6 A |
| Output Power | 20 W |
| Output Voltage | 3.3 Vdc |
| Power (Watts) | 30 W |
| Storage Temperature | °C ~ °C |
| Tape & Reel | No |
| Temperature Coefficient | ±0.02 %/°C |
| Type | Enclosed |
| Voltage | 1.5 kV |
| Width | 31.5 mm (1.24") |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | Stock on Request |
| Distributor Count | 0 |
| Total Stock | 0 |
| Price | $0.99 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $0.99 |

Estimated pricing is for guidance only and is not a live distributor offer.

## Features

- 30W isolated output power.
- Wide 18-36 Vdc input range.
- 3.3V single regulated output.
- 1,500 Vdc isolation voltage.
- Extended -40°C to 85°C operation.

## Applications

- Suitable for ITE (Commercial) applications.
- Provides stable power conversion.
- Features over-voltage protection.
- Includes short circuit protection.
- Designed for chassis mounting.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/12/79/19/12791975-PQA30-D24-S12-TH-ND.pdf
- Image: https://static.distyparts.com/disty-files/images/12/79/19/12791975-PQA30-D24-S12-TH-ND.jpg
- Product Page: https://distyparts.com/product/pqa30-d48-s3-th
- RFQ URL: https://distyparts.com/product/pqa30-d48-s3-th#rfq

## FAQs

### What is the input voltage range for the PQA30-D48-S3-TH?

The operating input voltage range is 18-36 Vdc for the 24 Vdc input models and 36-75 Vdc for the 48 Vdc input models.

### What is the output voltage and current of the PQA30-D48-S3-TH?

The PQA30-D48-S3-TH has an output voltage of 3.3 Vdc and a maximum output current of 6 A.

### What is the maximum output power for this DC-DC converter?

The maximum output power is 30W.

### What is the isolation voltage rating?

The isolation voltage is 1,500 Vdc.

### What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

### How is the PQA30-D48-S3-TH mounted?

This DC-DC converter is designed for chassis mount.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/cui-inc
- Category: https://distyparts.com/category/power-supplies-externalinternal-off-board/dc-dc-converters
- Product Page: https://distyparts.com/product/pqa30-d48-s3-th
- Markdown File: https://distyparts.com/product/pqa30-d48-s3-th.md
- TXT File: https://distyparts.com/product/pqa30-d48-s3-th.txt