BC3.5LFB1.4

Description：LLC RESONANT 3.5KW HALF-BRIDGE T
Series：-
Mfr：Premo S.L.
Package：Box

SKU:cf12fbba7d94 Category: Pulse Transformers Brand: Premo S.L.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：LLC RESONANT 3.5KW HALF-BRIDGE T
Series：-
Mfr：Premo S.L.
Package：Box
Transformer Type：-
Inductance：-
ET (Volt-Time)：-
Turns Ratio - Primary:Secondary：-
Mounting Type：-
Size / Dimension：2.402" L x 2.217" W (61.00mm x 56.30mm)
Height - Seated (Max)：1.378" (35.00mm)
Operating Temperature：-40°C ~ 140°C
Grade：-
Qualification：-

Download product information

BC3.5LFB1.4

Overview

The BC3.5LFB1.4 is a pulse transformer manufactured by Premo S.L., designed for high-power applications. It features an LLC resonant full-bridge topology with a power rating of 3.5kW. The device operates within a frequency range of 70kHz to 200kHz and utilizes a turns ratio of 1.4:1. It is encapsulated for electronics AC current handling and supports an operating temperature range from -40°C to +140°C, including cooling requirements. Physical dimensions are approximately 61.00mm in length and 56.30mm in width.

Feature Summary

Designed for LLC resonant full-bridge converter topologies
Provides galvanic isolation while converting voltage levels
Encapsulated construction suitable for high-frequency AC current applications

Applications

On-board chargers (OBC) for electric vehicles
On-board chargers (OBC) for hybrid vehicles
High-power industrial AC current transformation

Procurement Notes

Verify the specific datasheet version and RoHS compliance status prior to procurement. Confirm that the thermal management system meets the required operating temperature range of -40°C to +140°C. Ensure the input circuitry supports the specified 70-200kHz frequency range and 3.5kW power level. Validate physical mounting dimensions against the design enclosure.

Selection Notes

Select this component when designing high-power on-board charging systems requiring robust galvanic isolation. The 1.4:1 turns ratio and 3.5kW capacity define its suitability for specific voltage conversion needs. Consider the operational frequency limits and thermal dissipation requirements during the initial schematic design phase to ensure compatibility with the rest of the power stage.

Part Context

This transformer belongs to Premo S.L.'s collection of components specifically engineered for electric and hybrid vehicle powertrains. It serves as a critical element in the energy transfer path between the grid interface and the vehicle battery. The product line emphasizes reliability and efficiency in high-density automotive charging environments.