The RM4 series core B65803 is offered in several magnetic versions (gapped, ungapped, low‑profile) with detailed magnetic characteristics and weight data. The core can be supplied with or without a center hole and with a threaded sleeve for assembly.
A range of accessories is listed, including coil formers (B65804), clamps (B65806), and insulating washers. Ordering codes, material specifications, solderability, and clamping forces are provided for each accessory, enabling precise selection for transformer applications.
| Coil former material | GFR thermosetting plastic (UL 94 V‑0) |
|---|---|
| Maximum operating temperature of coil former | 180 °C |
| Clamping force of low‑profile clamp (typical) | 40 N per pair |
The ordering code for the core is B65803.
The coil former is made of GFR thermosetting plastic (UL 94 V‑0).
The low‑profile clamp provides a typical clamping force of 40 N per pair of clamps.