# PYB15-Q48-S3-H-T - CUI Inc. DC DC Converter

## Product Summary

The CUI Inc. PYB15-Q48-S3-H-T is a 15W DC-DC converter with a 48V nominal input voltage range of 18-75 Vdc and a 3.3 Vdc output. It offers 87% typical efficiency and operates within a -40 to 85°C temperature range.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | PYB15-Q48-S3-H-T |
| Manufacturer | CUI Inc. |
| Product Type | DC DC Converter |
| Series | PYB15-T & PYB15-U |
| Category | Power Supplies - ExternalInternal (Off-Board) |
| Subcategory | DC DC Converters |
| Mounting Type | Chassis Mount |

## Description

The CUI Inc. PYB15-Q48-S3-H-T is an enclosed DC-DC converter designed for reliable power conversion. It features a wide input voltage range, supporting 18-75 Vdc for 48V nominal systems, and provides a regulated 3.3 Vdc output at up to 4A, delivering a maximum of 15W of power.

Key electrical specifications include a typical efficiency of 87% and a maximum ripple and noise of 100 mVp-p. The converter is built to withstand demanding environments, operating within a temperature range of -40°C to 85°C. It also offers 1500 Vdc isolation, continuous short circuit, over current, and over voltage protection.

This model is designed for chassis mounting and has dimensions of 76.0mm x 31.5mm x 25.1mm. It is suitable for applications requiring stable and efficient power conversion within industrial and commercial settings.

## Key Specifications

| Specification | Value |
| --- | --- |
| Approval Agency | EN, IEC |
| Current | 4 A |
| Efficiency | 87 % |
| Height | 25.1 mm (0.99") |
| Isolation | 1500 Vdc |
| Length | 76 mm (2.99") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C |
| Output Current | 4000 mA |
| Output Power | 13.2 W |
| Output Voltage | 3.3 Vdc |
| Power (Watts) | 15 W |
| Tape & Reel | No |
| Type | Enclosed |
| Voltage | 18 V |
| 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

- 15W isolated output power.
- Wide 18-75 Vdc input voltage range.
- 3.3 Vdc single regulated output.
- Up to 87% typical efficiency.
- Operates from -40°C to 85°C.

## Applications

- Suitable for industrial power systems.
- Used in chassis-mounted equipment.
- Provides stable 3.3V power.
- Requires wide input voltage range.

## 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/PY/B1/5-/PYB15-Q24-D12-H-T-ND.pdf
- Image: https://static.distyparts.com/disty-files/images/PY/B1/5-/PYB15-Q24-D12-H-T-ND.jpg
- Product Page: https://distyparts.com/product/pyb15-q48-s3-h-t
- RFQ URL: https://distyparts.com/product/pyb15-q48-s3-h-t#rfq

## FAQs

### What is the input voltage range for the PYB15-Q48-S3-H-T?

The PYB15-Q48-S3-H-T has an input voltage range of 18-75 Vdc for 48 Vdc input models.

### What is the output voltage and current of the PYB15-Q48-S3-H-T?

The PYB15-Q48-S3-H-T provides a 3.3 Vdc output voltage with a maximum output current of 4000 mA.

### What is the maximum power output of the PYB15-Q48-S3-H-T?

The maximum power output for the PYB15-Q48-S3-H-T is 13.2 W.

### What is the typical efficiency of the PYB15-Q48-S3-H-T?

The typical efficiency of the PYB15-Q48-S3-H-T is 87%.

### What is the operating temperature range for this DC-DC converter?

The operating temperature range for the PYB15-Q48-S3-H-T is -40°C to 85°C.

### What type of mounting does the PYB15-Q48-S3-H-T use?

The PYB15-Q48-S3-H-T uses 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/pyb15-q48-s3-h-t
- Markdown File: https://distyparts.com/product/pyb15-q48-s3-h-t.md
- TXT File: https://distyparts.com/product/pyb15-q48-s3-h-t.txt
