Monday, July 7, 2025

Sumida introduces new line of flyback transformers for automotive voltage conversion


Japanese magnetic components supplier Sumida has launched its new CEP1311F flyback transformer series for industrial, automotive, medical and telecom applications.

In automotive applications, they can provide stable voltage conversion for vehicle electronics.

The transformers are designed specifically for use with “no-opto” isolated flyback circuits, such as the Analog Devices LT8304-1 reference design. The CEP1311F (13324-T083 to 13324-T087) transformers have single outputs, while the CEP1311F (13324-T196) provides dual isolated outputs.

The dual-output CEP1311F (13324-T196) flyback transformer is optimized for LT8304-1 applications. It offers 110 V outputs and 15 V input, and custom configurations are also available.

The single-output CEP1311F (13324-T083 to 13324-T087) is available in five output voltages, ranging from 3.3 V to 400 V.  Each version maintains regulation across load, line and temperature variations.

The series fully complies with the RoHS and REACH environmental standards. Their optimized SMD design measuring 21 x 21 x 11.8 mm ensures the transformers deliver efficient performance in space-constrained environments. They feature a wide operating temperature range of -40° C to 125° C and a high 1,500 Vrms Hi-Pot rating provides robust electrical isolation for enhanced safety. The transformers have a Moisture Sensitivity Level (MSL) of 1 for unlimited floor life under standard environmental conditions.

Source: Sumida



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Sumida introduces new line of flyback transformers for automotive voltage conversion

Japanese magnetic components supplier Sumida has launched its new CEP1311F flyback transformer series for industrial, automotive, medical ...