# PYB15-Q48-S12-H-U - CUI Inc. DC DC Converter

## Product Summary

The CUI Inc. PYB15-Q48-S12-H-U is a 15W DC-DC converter with a 48Vdc nominal input voltage and a 12Vdc output voltage. It offers an efficiency of 88% and operates within a temperature range of -40°C to 85°C.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | PYB15-Q48-S12-H-U |
| 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-S12-H-U is an enclosed DC-DC converter designed for reliable power conversion in various applications. It features a wide input voltage range of 18-75 Vdc, accommodating a nominal 48 Vdc input, and provides a regulated 12 Vdc output at up to 1.25A, delivering a total of 15W of power.

Key electrical specifications include a typical efficiency of 88% and an isolation voltage of 1,500 Vdc. The converter is protected with continuous short circuit, over current, and over voltage protection. It operates across a broad temperature range from -40°C to 85°C.

This model is designed for chassis mounting and features a U-frame construction. Its dimensions are 76.0mm x 31.5mm x 25.1mm. The converter also includes six-sided metal shielding for enhanced performance and reliability.

## Key Specifications

| Specification | Value |
| --- | --- |
| Approval Agency | EN, IEC |
| Current | 1.25 A |
| Efficiency | 88% |
| Height | 25.1 mm (0.99") |
| Isolation | 1,500 Vdc |
| Length | 76 mm (2.99") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C |
| Output Voltage | 12 Vdc |
| Power (Watts) | 15 W |
| Storage Temperature | °C ~ °C |
| 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 18-75 Vdc input range.
- 12Vdc single regulated output.
- 88% typical efficiency.
- -40°C to 85°C operating temperature.

## Applications

- Suitable for industrial power systems.
- Ideal for embedded control applications.
- Used in telecommunication equipment.
- Applicable in medical devices.

## 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-s12-h-u
- RFQ URL: https://distyparts.com/product/pyb15-q48-s12-h-u#rfq

## FAQs

### What is the input voltage range for the PYB15-Q48-S12-H-U?

The input voltage range is 18 Vdc to 75 Vdc.

### What is the output voltage and current of the PYB15-Q48-S12-H-U?

The output voltage is 12 Vdc and the maximum output current is 1.25A.

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

The maximum power output is 15W.

### What is the typical efficiency of the PYB15-Q48-S12-H-U?

The typical efficiency is 88%.

### What is the operating temperature range for this CUI Inc. converter?

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

### What type of mounting does the PYB15-Q48-S12-H-U use?

It uses chassis mount and U-frame mounting.

## 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-s12-h-u
- Markdown File: https://distyparts.com/product/pyb15-q48-s12-h-u.md
- TXT File: https://distyparts.com/product/pyb15-q48-s12-h-u.txt