Brahma Ignition transformer TD1STCSF 15910679

The Brahma TD1STCSF ignition transformer (SKU 15910679) is an electronic, high-frequency step-up transformer for ignition in gas and liquid fuel burners. It operates on a 220–240 V supply at 50–60 Hz, delivering a secondary voltage of 15 kV with a peak current of 45 mA. The transformer features a ferritic core, integrated EMC filter, built-in short circuit protection, and a varistor for voltage fluctuation resistance. It is designed for continuous operation (100% duty cycle) and is compact and lightweight, weighing 360 g. The unit has one high-voltage output and supports an ignition cable length up to 1.5 m, with a standard power cable length of 560 mm. It complies with directives 2004/108/EC and 73/23/EEC, and has an IP00 protection class.

When selecting a replacement ignition transformer of this type, verify the supply voltage (e.g., 220–240 V) and frequency (50–60 Hz) match the burner's electrical supply. Check the secondary voltage and current requirements of the ignition system, as well as the number of high-voltage outputs (single or two-pin) and the type of high-voltage connector (e.g., plug-in 4 mm). Ensure the physical mounting and connection system are compatible with the burner's configuration, and confirm the maximum ignition cable length does not exceed the specified limit. Also, consider the duty cycle (e.g., 100% for continuous operation) and whether an integrated EMC filter is needed to meet electromagnetic interference requirements.

Common failures of this type of ignition transformer include internal short circuits or open windings, often caused by overheating, voltage surges, or moisture ingress. Symptoms on the burner include no spark at the electrodes, intermittent ignition, or a weak spark that fails to ignite the fuel. Check the transformer for visible damage, measure the secondary voltage with a suitable high-voltage probe, and verify the primary supply voltage is present. Also inspect the ignition cable and electrodes for wear or incorrect gap, as these can cause excessive load and premature transformer failure.