1. Core Information: B66307 E-Core Family

️· Type: E-Core
️· Manufacturer: EPCOS (now part of TDK)
️· Document Dates: Primarily referencing versions from August 6th (08/01) of unspecified year, but likely around 2000 (based on copyright). There are multiple pages/versions (397, 398, 399, 400).
️· Series: B66307, paired with accessory series B66308
️· Application: Designed for coil former applications (horizontal and vertical)
️· Material: GFR Polyterephthalate for coil former, Stainless steel for yoke

2. Core Specifications & Ordering Information

The text provides data for several core materials, along with their associated ordering codes.

️· N30: Ordering code B66307-G-X130. Data given for A_L value: 1400 + 30/-20%
️· N27: Ordering code B66307-G-X127. Data given for A_L value: 950 + 30/-20%.
️· N87: Ordering code B66307-G-X187. Data given for A_L value: 1000 + 30/-20%.
️· T42: Ordering code B66307-F-X142. Data given for A_L value: 5100 ± 30%.

It also includes information for gapped cores using N27, N87, and a third material with an A_L value of 69.

3. Accessories: B66308

️· Coil Former: Coil formers are made from GFR polyterephthalate and have options for horizontal and vertical mounting. Dimensions: N=22.3 mm, L=34 mm. Ordering codes: B66308-A1108-T1 and B66308-J1108-T1.
️· Yokes: Made of stainless steel (0.2 mm thick). Needed in pairs (2 required). Ordering code: B66308-A2010.

4. Calculation Factors & Parameters

The document defines and provides values for these calculation factors, likely used in design and performance analysis:

️· _K1_, _K2_: Related to air gap.
️· _K3_, _K4_: Related to saturation current.

5. Key Dimensions

The drawing includes measurements for:
*A_N: 22.3 mm
*L_N: 34 mm
*A_R: 52.4µΩ
Thickness of yoke: 0.2 mm

6. Legal & Copyright

️· Copyright: EPCOS AG, 2000
️· Standard disclaimer regarding product specifications and adherence to ZVEI conditions.

Important Notes & Potential Limitations:

️· Year of Document: While copyright is 2000, the specific year of manufacture/availability of these components isn't explicitly stated.
️· Missing Context: The purpose of some parameters and calculations might not be clear without the broader "E cores: general information" document referenced.
️· Obsolete: As these documents are from 2000, the specific part numbers and product availability are likely obsolete.