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B66357-G500-X127 Datasheet with Chat AI

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Part No.	B66357-G500-X127
Manufacturer	EPCOS
Size	76 Kbytes
Pages	2 pages
Description	ER 54/18/18 Core

Datasheet Summary with AI

| Material | AL Value (approx.) | µe | AL1min (nH) | PV (W/set) | Ordering Code |
|---|---|---|---|---|---|
| N27 | 5600 + 30 / – 20 % | | 1560 | 4480 | < 4.40 (200 mT, 25 kHz, 100 °C) | B66357-G-X127 |
| N87 | 5800 + 30 / – 20 % | | 1620 | 4480 | < 12.50 (200 mT, 100 kHz, 100 °C) | B66357-G-X187 |

## Gapped Cores

| Material | _g_ (mm) | AL Value (approx.) (nH) | µe | Ordering Code |
|---|---|---|---|---|
| N27 | 0.50 ± 0.05 | 620 | 173 | B66357-G500-X127 |

️· _AL_ value in the table applies to core sets with one ungapped (_g_ = 0) and one gapped (_g_ > 0) core.

## Calculation Factors

️· Validity Range:
- _K1_, _K2_: 0.15 mm < _s_ < 3.50 mm
- _K3_, _K4_: 180 nH < _A_L < 1800 nH
️· Saturation Current: Values provided for N27 and N87 materials at 25°C and 100°C, using _K1_, _K2_, _K3_, and _K4_ constants.

# EPCOS B66357 Core (ER 54/18/18)

## General Information

️· Type: ER core, suitable for thick winding wires/tapes, compact designs with low leakage inductance.
️· Supply: Supplied as single units.
️· Document: Replaces previous edition; contact EPCOS sales for inquiries.
️· Caution: Components may contain hazardous materials.

## Magnetic Characteristics (per set)

️· Σ _l/A_ = 0,35 mm⁻¹
️· _l_e = 90 mm
️· _A_e = 256 mm²
️· _A_min = 252 mm²
️· _V_e = 23 000 mm³
️· Approximate weight: 119 g/set

## Ungapped Cores

Material AL Value (approx.) µe AL1min (nH) PV (W/set) Ordering Code

N27 5600 + 30 / – 20 % 1560 4480 < 4.40 (200 mT, 25 kHz, 100 °C) B66357-G-X127

N87 5800 + 30 / – 20 % 1620 4480 < 12.50 (200 mT, 100 kHz, 100 °C) B66357-G-X187

## Gapped Cores

Material _g_ (mm) AL Value (approx.) (nH) µe Ordering Code

N27 0.50 ± 0.05 620 173 B66357-G500-X127

️· _AL_ value in the table applies to core sets with one ungapped (_g_ = 0) and one gapped (_g_ > 0) core.

## Calculation Factors

️· Validity Range:
- _K1_, _K2_: 0.15 mm < _s_ < 3.50 mm
- _K3_, _K4_: 180 nH < _A_L < 1800 nH
️· Saturation Current: Values provided for N27 and N87 materials at 25°C and 100°C, using _K1_, _K2_, _K3_, and _K4_ constants.

Material	AL Value (approx.)	µe	AL1min (nH)	PV (W/set)	Ordering Code
N27	5600 + 30 / – 20 %		1560	4480	< 4.40 (200 mT, 25 kHz, 100 °C)	B66357-G-X127
N87	5800 + 30 / – 20 %		1620	4480	< 12.50 (200 mT, 100 kHz, 100 °C)	B66357-G-X187