Datasheet E10 EM (TDK) - 4

SMD transformers E10 EM series B78307A*A003 Preliminary data Technical data and measuring conditions
Specified @ +25 °C if not mentioned otherwise, all values without tolerance are typical values Typical operational frequency 100 ... 500 kHz (typ.) High voltage test AC N1 / N2 3000 V AC (50 Hz, 1 s) High voltage type test AC, N1 / N2 3750 V AC (50 Hz, 60 s) Partial discharge inception voltage N1/N2 >900 V peak (type test)3 Partial discharge extinction voltage N1/N2 >700 V peak (type test) Creepage distance N1 / N2 >6 mm; cumulative, core floating Clearance distance N1 / N2 >5.5 mm; cumulative, core floating Creepage distance [N1,N2] / core >3 mm Clearance distance [N1,N2] / core >2.75 mm Clearance, creepage core / top surface >2 mm Pollution degree P2 (to IEC 60664) Insulation thermal class +155 °C (F) to (IEC 60085) Climatic category 40/150/56 (to IEC 60068) Storage conditions −25 °C … +40 °C, humidity ≤75% RH Resistance to reflow soldering heat In accordance with JEDEC J-STD-020D Tpeak= +245 °C (Tpeak −5 °C for 30 seconds) Operating temperature range −40 °C … +150 °C (component) Weight Approx. 2 g

3 Partial discharge type test, refer to IEC 60664-1: Extinction voltage for basic and reinforced insulation ≥ Vop peak x 1.2: 500 V x 1.2 = min. 600 Vpeak; Inception voltage for basic insulation ≥ Vop x 1.5 = 500 V x 1.5 = min.750 V; Inception voltage for reinforced insulation ≥ Vop x 1.875 = 300 V x 1.875 = min. 563 Vpeak MAG TF T PD 2020-05-06 Please read Cautions and warnings and Page 4 of 9 Important notes at the end of this document.