
Unidirectional surface mount TVS diode with 400V DC rated voltage and 494V max breakdown voltage. Features 3.3W power dissipation, 648V clamping voltage, and 600mA peak pulse current. Operates across a -65°C to 150°C temperature range. Packaged in a DO-214AC (SMA) case, this RoHS compliant component is suitable for power line protection applications.
Littelfuse SMAJ400A technical specifications.
| Package/Case | DO-214AC |
| Clamping Voltage | 648V |
| Clamping Voltage-Max | 648V |
| Diode Type | ZENER |
| Direction | Unidirectional |
| Height | 2.29mm |
| Lead Free | Lead Free |
| Leakage Current | 1uA |
| Length | 5.28mm |
| Max Breakdown Voltage | 494V |
| Min Breakdown Voltage | 447V |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -65°C |
| Max Power Dissipation | 3.3W |
| Max Surge Current | 600mA |
| Mount | Surface Mount |
| Number of Channels | 1 |
| Number of Elements | 1 |
| Number of Unidirectional Channels | 1 |
| Operating Supply Voltage | 400V |
| Package Quantity | 5000 |
| Packaging | Tape and Reel |
| Peak Pulse Current | 600mA |
| Peak Pulse Power | 400W |
| Polarity | Unidirectional |
| Power Dissipation | 3.3W |
| Power Line Protection | No |
| Reach SVHC Compliant | No |
| Reverse Breakdown Voltage | 447V |
| Reverse Standoff Voltage | 400V |
| RoHS Compliant | Yes |
| Series | SMAJ |
| Termination | SMD/SMT |
| DC Rated Voltage | 400V |
| Width | 2.79mm |
| RoHS | Compliant |
Download the complete datasheet for Littelfuse SMAJ400A to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
