B66381G0000X187 EPCOS Inc, B66381G0000X187 Datasheet - Page 2

• Manufacturer Part Number: B66381G0000X187
• Manufacturer: EPCOS Inc

Specifications of B66381G0000X187

• Lead Free Status / RoHS Status: Supplier Unconfirmed

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Magnetic characteristics (per set)
Σ l/A = 0.52 mm
l
A
A
V
Approx. weight 58 g/set
Ungapped
Material
N27
N87
N72
Gapped
Material
N27
The A
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”)
Material
N27
Validity range:
Please read Cautions and warnings and
Important notes at the end of this document.
e
e
min
e
E 40/16/12
Core
Size based on US lam. size E cores
US designation E 21
Delivery mode: single units
= 77 mm
= 149 mm
= 143 mm
= 11500 mm
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
A
nH
3800 +30/–20%
4150 +30/–20%
4600 +30/–20%
g
mm
0.50 ±0.05
L
value
Relationship between
air gap – A
K1 (25 °C)
239
2
2
–1
3
K1, K2: 0.10 mm < s < 2.50 mm
K3, K4: 130 nH < A
L
value
K2 (25 °C)
– 0.782
µ
1560
1710
1900
e
A
approx.
nH
411
L
value
P
W/set
< 2.15 (200 mT, 25 kHz, 100 °C) B66381G0000X127
< 5.80 (200 mT, 100 kHz, 100 °C) B66381G0000X187
< 1.12 (200 mT, 25 kHz, 100 °C) B66381G0000X172
L
V
< 1200 nH
Calculation of saturation current
K3 (25 °C)
378
2
09/06
µ
166
e
K4 (25 °C)
– 0.847
K3 (100 °C) K4 (100 °C)
351
Ordering code
Ordering code
B66381G0500X127
– 0.865
B66381