Description
FIXED IND 820UH 310MA 3.8 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for RL855-821K-RC.
RL855-821K-RC has an inductance value of 820 µH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
RL855-821K-RC is rated for 310 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
RL855-821K-RC lists a DC resistance of 3.8Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
RL855-821K-RC uses a package or case of Radial, Vertical Cylinder (Open). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 820 µH |
| Tolerance | ±10% |
| Current Rating | 310 mA |
| DC Resistance (DCR) | 3.8Ohm Max |
| Operating Temperature | -30°C ~ 100°C |
| Dimensions | 0.307" Dia (7.80mm) |
| Case / Size | Radial, Vertical Cylinder (Open) |
| Package / Case | Radial, Vertical Cylinder (Open) |
| Supplier | Bourns Inc. |
| Description | FIXED IND 820UH 310MA 3.8 OHM TH |
| Series | RL855 |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 34 @ 790kHz |
| Self Resonant Frequency | 1.7MHz |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Height - Seated (Max) | 0.217" (5.50mm) |
