| PartNumber | 1539M21 | 1539M20 | 1539M22 |
| Description | Fixed Inductors RF | Fixed Inductors RF | Fixed Inductors RF |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| RoHS | Y | - | - |
| Termination Style | Radial | - | - |
| Inductance | 250 uH | 100μH | 500μH |
| Tolerance | 10 % | ±10% | ±10% |
| Maximum DC Current | 6.4 A | 9.8 A | 5 A |
| Maximum DC Resistance | 59 mOhms | 25 mOhms | 90 mOhms |
| Test Frequency | 1 kHz | - | - |
| Termination | - | - | - |
| Package / Case | 1.5 in x 1.11 in | - | - |
| Height | 1.11 in | - | - |
| Diameter | 1.5 in | - | - |
| Application | RF | - | - |
| Series | 1539 | 1539 | 1539 |
| Core Material | Ferrite | - | - |
| Product | Fixed Inductors | RF Inductors | RF Inductors |
| Type | Choke | Wirewound | Wirewound |
| Brand | Hammond Manufacturing | - | - |
| Lead Diameter | 0.053 in | - | - |
| Lead Spacing | 1.1 in | - | - |
| Product Type | Fixed Inductors | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Inductors, Chokes & Coils | - | - |
| Unit Weight | 4.799996 oz | 4.800049 oz | 4.800049 oz |
| Packaging | - | Bulk | Bulk |
| Current Rating | - | 9.8A | 5A |
| Package Case | - | Radial | Radial |
| Operating Temperature | - | - | - |
| Mounting Type | - | Through Hole | Through Hole |
| Size Dimension | - | 1.500" Dia (38.10mm) | 1.500" Dia (38.10mm) |
| Height Seated Max | - | 1.110" (28.19mm) | 1.110" (28.19mm) |
| Ratings | - | - | - |
| Shielding | - | Unshielded | Unshielded |
| DC Resistance DCR | - | 25 mOhm Max | 90 mOhm Max |
| Material Core | - | Ferrite | Ferrite |
| Current Saturation | - | - | - |
| Q Freq | - | - | - |
| Frequency Self Resonant | - | - | - |
| Frequency Test | - | 1kHz | 1kHz |