| Part Number | 2100HT-121-H | 2100HT-181-H | 
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | 
| Category | Fixed Inductors | Fixed Inductors | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Toroidal | Toroidal | 
| Material - Core | - | - | 
| Inductance | 120 µH | 180 µH | 
| Tolerance | ±15% | ±15% | 
| Current Rating (Amps) | 3.5 A | 3.1 A | 
| Current - Saturation (Isat) | - | - | 
| Shielding | Shielded | Shielded | 
| DC Resistance (DCR) | 94mOhm Max | 120mOhm Max | 
| Q @ Freq | - | - | 
| Frequency - Self Resonant | - | - | 
| Ratings | - | - | 
| Operating Temperature | -55°C ~ 200°C | -55°C ~ 200°C | 
| Inductance Frequency - Test | 1 kHz | 1 kHz | 
| Features | - | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | Radial, Horizontal (Open) | Radial, Horizontal (Open) | 
| Supplier Device Package | - | - | 
| Size / Dimension | 0.860" Dia (21.84mm) | 0.860" Dia (21.84mm) | 
| Height - Seated (Max) | 0.450" (11.43mm) | 0.450" (11.43mm) |