B65811J0000R041

Part No :: B65811J0000R041

Manufacturer: TDK EPCOS

VIGOR # :: 4178710

Description: FERRITE CORE RM 4.1UH N41 2PCS

Catalog: Ferrite Cores

DataSheet: B65811J0000R041 PDF

Country of origin: -

Date code: -

B65811J0000R041 Specifications

Type	Description
Series:	B65811
Package:	Box
Part Status:	Active
Core Type:	RM
Supplier Device Package:	RM 8
Material:	N41
Diameter:	-
Inductance Factor (Al):	4.1 µH
Tolerance:	-20%, +30%
Gap:	Ungapped
Effective Permeability (µe):	1940
Initial Permeability (µi):	2800
Core Factor (ΣI/A) mm^-1:	0.59
Effective Length (le) mm:	38
Effective Area (Ae) mm²:	64
Minimum Core Cross Section (Amin) mm²:	55
Effective Magnetic Volume (Ve) mm³:	2430
Finish:	Uncoated
Height:	8.25mm
Length:	23.20mm
Width:	11.00mm

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 252

Shipped from

HK warehouse

Expected Shipping Date

Jan 30 - Feb 03 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$2.60~~	~~$2.60~~
10	~~$2.24~~	~~$22.43~~
25	~~$1.70~~	~~$42.61~~
50	~~$1.61~~	~~$80.74~~
100	~~$1.44~~	~~$143.53~~
250	~~$1.35~~	~~$336.39~~
500	~~$1.26~~	~~$627.94~~
1000	~~$1.15~~	~~$1 152.71~~
5000	~~$1.12~~	~~$5 606.55~~

Current price of B65811J0000R041 is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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