The document provides specifications and features of CM45, CM32, CM25, CM20, CM16, CM10 SMT chip inductors 220K, including high resistance to heat and humidity, resistance to mechanical shock and pressure, accurate dimensions for automatic surface mounting, and a wide range of inductance. The document also includes recommended land pattern dimensions and marking information for different models of inductors.
The Bourns CM10‑CM45 SMT chip inductors offer high resistance to heat, humidity and mechanical shock, accurate dimensions for automatic surface mounting, and a wide inductance range of 1.0 nH to 1000 µH. They are used in mobile phones, cellular phones, VCRs, and other consumer electronics.
The datasheet provides temperature ratings (ambient 20 °C max, operating 80 °C max, storage –40 °C to +100 °C), recommended land‑pattern dimensions for each series, packaging details, and approved soldering methods such as flow, infrared and vapor‑phase with specific temperature limits.
| Inductance range | 1.0 nH to 1000 µH |
|---|---|
| Maximum flow‑solder temperature | 260 °C for 5 seconds |
| CM45 land‑pattern dimensions | Length 2.4‑2.6 mm (0.094‑0.102 in), Width 5.5‑6.0 mm (0.217‑0.236 in) |
The CM45 series recommends a land‑pattern length of 2.4‑2.6 mm (0.094‑0.102 in) and a width of 5.5‑6.0 mm (0.217‑0.236 in).