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| Part Number | ELC-18B681L | ELC-18B682L | ELC-18E681L | ELC-16B681L | ELC-18B181L | ELC-18B680L | 
|---|---|---|---|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components | Panasonic Electronic Components | Panasonic Electronic Components | Panasonic Electronic Components | Panasonic Electronic Components | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | 
| Material - Core | Ferrite | Ferrite | Ferrite | - | Ferrite | Ferrite | 
| Inductance | 680 µH | 6.8 mH | 680 µH | 680 µH | 180 µH | 68 µH | 
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% | 
| Current Rating (Amps) | 1.4 A | 450 mA | 1.2 A | 1 A | 2.6 A | 4 A | 
| Current - Saturation (Isat) | - | - | - | - | - | - | 
| Shielding | Unshielded | Unshielded | Shielded | Unshielded | Unshielded | Unshielded | 
| DC Resistance (DCR) | 260mOhm | 2.8Ohm | 190mOhm | 430mOhm | 82mOhm | 46mOhm | 
| Q @ Freq | - | - | - | - | - | - | 
| Frequency - Self Resonant | - | - | - | - | - | - | 
| Ratings | - | - | - | - | - | - | 
| Operating Temperature | - | - | - | - | - | - | 
| Inductance Frequency - Test | 10 kHz | 10 kHz | 10 kHz | 10 kHz | 10 kHz | 10 kHz | 
| Features | - | - | - | - | - | - | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | Radial, Vertical Cylinder (Open) | Radial, Vertical Cylinder (Open) | Radial, Vertical Cylinder | Radial, Vertical Cylinder (Open) | Radial, Vertical Cylinder (Open) | Radial, Vertical Cylinder (Open) | 
| Supplier Device Package | - | - | - | - | - | - | 
| Size / Dimension | 0.787" Dia (20.00mm) | 0.787" Dia (20.00mm) | 0.748" Dia (19.00mm) | 0.630" Dia (16.00mm) | 0.787" Dia (20.00mm) | 0.787" Dia (20.00mm) | 
| Height - Seated (Max) | 1.063" (27.00mm) | 1.063" (27.00mm) | 0.988" (25.10mm) | 0.906" (23.00mm) | 1.063" (27.00mm) | 1.063" (27.00mm) |