| Part Number | PT12121SL | PT12123SL | 
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | 
| Category | Fixed Inductors | Fixed Inductors | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Wirewound | Wirewound | 
| Material - Core | - | - | 
| Inductance | 1 mH | 1.2 mH | 
| Tolerance | ±10% | ±10% | 
| Current Rating (Amps) | 150 mA | 150 mA | 
| Current - Saturation (Isat) | - | - | 
| Shielding | Unshielded | Unshielded | 
| DC Resistance (DCR) | 6Ohm Max | 9Ohm Max | 
| Q @ Freq | 90 @ 252kHz | 90 @ 252kHz | 
| Frequency - Self Resonant | 1.3MHz | 1.2MHz | 
| Ratings | - | - | 
| Operating Temperature | -20°C ~ 80°C | -20°C ~ 80°C | 
| Inductance Frequency - Test | 252 kHz | 252 kHz | 
| Features | - | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | Radial, Vertical Cylinder | Radial, Vertical Cylinder | 
| Supplier Device Package | - | - | 
| Size / Dimension | 0.400" Dia (10.15mm) | 0.400" Dia (10.15mm) | 
| Height - Seated (Max) | 0.500" (12.70mm) | 0.500" (12.70mm) |