Bobbins
Ferrite Cores
For Power Supply EER Cores
CORE SHAPES AND DIMENSIONS/CHARACTERISTICS
Type EER25.5 EER28 EER28L EER35 EER4...
Description
Ferrite Cores
For Power Supply EER Cores
CORE SHAPES AND DIMENSIONS/CHARACTERISTICS
Type EER25.5 EER28 EER28L EER35 EER40 EER42 EER42/42/20 EER49
øD øD A A
EER Series
Fig. 1 2 2 1 1 1 2 1
B Fig.1
C
B Fig.2
C
Dimensions (mm) A B 25.5±0.5 9.3±0.2 28.55±0.55 14±0.2 28.55±0.55 16.9±0.25 35±0.5 20.7±0.2 40±0.5 22.4±0.2 42±0.6 22.4±0.2 42.15±0.65 21.2±0.2 49±0.8 19±0.3
C 7.5±0.2 11.4±0.25 11.4±0.25 11.3±0.2 13.3±0.25 15.5±0.25 19.6±0.4 17.2±0.4
øD 7.5±0.15 9.9±0.25 9.9±0.25 11.3±0.15 13.3±0.25 15.5±0.25 17.3±0.25 17.2±0.25
Ae (mm2) 44.8 82.1 81.4 107 149 194 240 231
le (mm) 48.2 64 75.5 90.8 98 98.8 98.6 91.3
Weight (g) 11 28 33 52 78 102 116 110
ELECTRICAL CHARACTERISTICS WITHOUT AIR GAP
Part No. PC40EER25.5-Z PC40EER28-Z PC40EER28L-Z PC40EER35-Z PC40EER40-Z PC40EER42-Z PC40EER42/42/20-Z PC40EER49-Z
∗
WITH AIR GAP
Calculated output power∗ (W) [100kHz] 87 203 228 325 421 433 509 Part No. PC40EER25.5AXXX∗ PC40EER28AXXX PC40EER28LAXXX PC40EER35AXXX PC40EER40AXXX PC40EER42AXXX PC40EER42/42/20AXXX PC40EER49AXXX
∗
AL-value (nH/N2) [1kHz, 0.5mA, 100Ts] 1920±25% 2870±25% 2520±25% 2770±25% 3620±25% 4690±25% 5340±25% 6250±25%
AL-value (nH/N2) [1kHz, 0.5mA, 100Ts] 100±5%, 200±7% 200±5%, 400±7% 160±5%, 315±7% 200±5%, 400±7% 200±5%, 400±7% 250±5%, 500±7% 250±5%, 500±7% 250±5%, 500±7%
The values were obtained with forward converter mode.
XXX: AL-value
BOBBINS
Part No.
H H
Fig. 1 1 1 1 1 1 1 1 2 2 2 2 2
www.DataSheet4U.com
W
Fig.1
D
W
D
Fig.2
BEER-25.5-118CP BEER-28-1110...
Similar Datasheet
- BEER-42-1116CPH Bobbins - TDK Semiconductor