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

## Product Summary

The CUI Inc. PYB15-Q48-S3-H-U is a 15W DC-DC converter with a 48V nominal input and 3.3V output. It features a 4:1 input range and 1500 Vdc isolation.

## Product Information

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

## Description

The CUI Inc. PYB15-Q48-S3-H-U is a DC-DC converter from the PYB15 series, designed for reliable power conversion. It operates with a wide 4:1 input voltage range, supporting 18-75 Vdc for 48V nominal input models. This converter delivers a single, regulated output of 3.3V with a maximum current of 4A, providing up to 15W of output power.

Key electrical specifications include an isolation voltage of 1500 Vdc, ensuring safety and performance. The operating temperature range is -40°C to 85°C, making it suitable for various environmental conditions. Efficiency is rated up to 87% typical.

The unit features continuous short circuit, over current, and over voltage protection. It is designed for chassis mounting and has dimensions of 76.0mm x 31.5mm x 25.1mm. The PYB15-Q48-S3-H-U offers an industry-standard pinout and six-sided metal shielding for enhanced performance.

## Key Specifications

| Specification | Value |
| --- | --- |
| Approval Agency | EN, IEC |
| Current | 4 A |
| Efficiency | 87 % |
| Height | 25.1 mm (0.99") |
| Lead Spacing | 76 mm |
| Length | 76 mm (2.99") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C |
| 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 DC-DC converter.
- Wide 4:1 input voltage range.
- 1500 Vdc isolation voltage.
- Chassis mountable design.
- Continuous protection features.

## Applications

- Suitable for industrial power systems.
- Ideal for embedded power solutions.
- Used in control and automation.
- Reliable for harsh environments.

## 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
- Product Page: https://distyparts.com/product/pyb15-q48-s3-h-u
- RFQ URL: https://distyparts.com/product/pyb15-q48-s3-h-u#rfq

## FAQs

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

The input voltage range for 48 Vdc input models is 18 Vdc to 75 Vdc.

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

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

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

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

### What is the operating temperature range?

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

### What is the isolation voltage?

The isolation voltage is 1500 Vdc.

### What type of mounting is required for the PYB15-Q48-S3-H-U?

This 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/pyb15-q48-s3-h-u
- Markdown File: https://distyparts.com/product/pyb15-q48-s3-h-u.md
- TXT File: https://distyparts.com/product/pyb15-q48-s3-h-u.txt