Datasheet

46 Siemens Matsushita Components

Construction

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E 6,3 ferrite core

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With cover cap

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6 gullwing terminals

Features

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Very small size

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Low stray inductance,

low winding capacitance,

low dc resistance

Applications

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Pulse transformers

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Broadband transformers

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Drive transformers for power semiconductors

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Low-power DC/DC converters

(B78304-B1016-A3)

Packing

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16-mm blister tape

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Packing unit: 900 pcs.

Transformation ratio

See table on next page

Recommended pad arrangement

DC/DC Converters

E 6,3

B78304-B****-A3

PAGE 1
DC/DC Converters E 6,3 B78304-B****-A3 Construction ● E 6,3 ferrite core ● With cover cap ● 6 gullwing terminals Features ● Very small size ● Low stray inductance, low winding capacitance, low dc resistance Applications ● ● ● ● Pulse transformers Broadband transformers Drive transformers for power semiconductors Low-power DC/DC converters (B78304-B1016-A3) Packing ● 16-mm blister tape ● Packing unit: 900 pcs.
PAGE 2
DC/DC Converters E 6,3 B78304-B****-A3 Technical data L1 mH 0,1 ± 55 % 1,0 ± 55 % 10,0 ± 55 % 4,3 ± 55 % LS 1) µH 1:1:1 0,3 1:1:1 1,0 1:1:1 4,0 1 : 0,21 : 0,21 20,0 N1 : N2 : N3 RDC 2) Ω < 0,2 < 0,9 < 6,0 < 6,0 CK 3) pF 15 30 80 — B3dB MHz 0,05 … 60 0,03 … 23 0,01 … 1,6 — fr 4) MHz ≈ 9,0 ≈ 4,0 ≈ 0,2 > 0,6 V P 5) VAC 500 500 500 500 Ordering code B78304-B1030-A3 B78304-B1031-A3 B78304-B1032-A3 B78304-B1016-A3 Attenuation versus frequency 1) 2) 3) 4) 5) Measured on 1–6, all other windings short-c