B66417G0000X197 EPCOS Inc, B66417G0000X197 Datasheet - Page 2

• Manufacturer Part Number: B66417G0000X197
• Description: FERRITE CORE, HALF, EFD20, N97
• Manufacturer: EPCOS Inc

Specifications of B66417G0000X197

• Ferrite Grade: N97
• Core Size: EFD20
• Svhc: No SVHC (18-Jun-2010)
• Al Tolerance Value +: 30%
• Al Tolerance Value -: 20%
• External Depth: 6.65mm
• External Length / Height: 10mm
• External Width: 20mm
• Inductance: RoHS Compliant
• Inductance Factor Al: 1250nH
• Rohs Compliant: Yes

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■
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Magnetic characteristics (per set)
Σ l/A = 1.52 mm
l
A
A
V
Approx. weight 7.2 g/set
Ungapped
Material
N49
N87
N97
Gapped
Material
N87
The A
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”)
Material
N87
Validity range:
Please read Cautions and warnings and
Important notes at the end of this document.
e
e
min
e
EFD 20/10/7
Core
E core with flattened, lower center leg
for especially flat transformer design
For DC/DC converters
Delivery mode: single units
= 47 mm
= 31 mm
= 31 mm
= 1460 mm
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
A
nH
1200 +30/–20%
1250 +30/–20%
A
nH
100 ±10%
160 ±10%
910 +30/–20%
L
L
2
2
value
value
Relationship between
air gap – A
K1 (25 °C)
61.1
–1
3
K1, K2: 0.10 mm < s < 1.40 mm
K3, K4: 50 nH < A
L
value
K2 (25 °C)
– 0.699
µ
1100
1440
1510
µ
120
193
e
e
L
P
W/set
< 0.29 ( 50 mT, 500 kHz, 100 °C) B66417G0000X149
< 1.05 (200 mT, 100 kHz, 100 °C) B66417G0000X187
< 0.80 (200 mT, 100 kHz, 100 °C) B66417G0000X197
< 410 nH
V
Calculation of saturation current
K3 (25 °C)
85.4
2
09/06
g
approx. mm
0.49
0.25
K4 (25 °C)
– 0.796
K3 (100 °C) K4 (100 °C)
75.7
Ordering code
Ordering code
B66417U0100K187
B66417U0160K187
– 0.873
B66417