| PartNumber | B82721A2401N020 | B82721A2402N020 | B82721A2401N021 |
| Description | Common Mode Chokes / Filters 39mH 0.4A 30% 17.9x17.3mm | Common Mode Chokes / Filters 0.7mH 4A 30% 17.9x17.3mm | Common Mode Filters / Chokes 27mH 0.4A 30% 17.9x17.3mm |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Common Mode Chokes / Filters | Common Mode Chokes / Filters | Common Mode Chokes |
| RoHS | Y | Y | Details |
| Series | B82721A | B82721A | Horizontal version |
| Termination Style | Through Hole | Through Hole | Radial |
| Inductance | 39 mH | 700 uH | 27 mH |
| Tolerance | 30 % | 30 % | 30 % |
| Maximum DC Current | 0.4 A | 4 A | 400 mA |
| Maximum Operating Temperature | + 40 C | + 40 C | - |
| Height | 12.6 mm | 12.6 mm | 12.6 mm |
| Packaging | Tray | Tray | Tray |
| Product | Ring Core Chokes | Ring Core Chokes | Power Inductors |
| Core Material | Ferrite | Ferrite | - |
| Diameter | 15 mm | 15 mm | - |
| Shielding | Shielded | Shielded | - |
| Brand | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Lead Diameter | 0.7 mm | 0.7 mm | - |
| Product Type | Common Mode Chokes | Common Mode Chokes | - |
| Factory Pack Quantity | 600 | 600 | - |
| Subcategory | Inductors, Chokes & Coils | Inductors, Chokes & Coils | - |
| Part # Aliases | 20 B82721A2401N B82721A2401N020 B82721A2401N20 | 20 B82721A2402N B82721A2402N20 | - |
| Unit Weight | 0.176370 oz | 0.176370 oz | 0.176370 oz |
| Maximum DC Resistance | - | - | 1.7 Ohms |
| Operating Temperature Range | - | - | - 40 C to + 125 C |
| Length | - | - | 17.9 mm |
| Width | - | - | 17.3 mm |