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Littelfuse Uni-Directional Single-Element TVS Diode 3 kW Peak Pulse Power Surface Mount DO-214 Package SMDJ40A
Specifications
| Country of Origin | Thailand |
|---|---|
| Brand | Littelfuse |
| Height | 2.41mm |
| Length | 7.11mm |
| Model | SMDJ40A |
| Width | 6.22mm |
| Mount Type | Surface |
| Series | SMDJ |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -65°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 64.5V |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 44.4V |
| Maximum Reverse Stand-off Voltage Vwm | 40V |
| Peak Pulse Power Dissipation Pppm | 3kW |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 46.5A |
| Maximum Reverse Leakage Current | 2μA |
| High temperature soldering guaranteed | 260°C/40 seconds at terminals |
| Fast response time | typically less than 1.0ps from 0V to BV min |
Key Features
- Uni-directional single-element TVS diode designed for transient voltage suppression.
- Provides peak pulse power dissipation of 3,000 watts at the 10x1000µs waveform.
- Surface mount package type DO-214 suitable for compact PCB designs.
- Minimum breakdown voltage of 44.4 V with maximum reverse standoff voltage of 40 V.
- Fast response time typically less than 1.0 picoseconds to clamp transient voltages.
- High temperature tolerance with maximum operating temperature of 150°C and high temperature soldering guaranteed at 260°C for 40 seconds.
- Low incremental surge resistance and excellent clamping voltage characteristics.
- ESD protection enabled with peak pulse current of 46.5 A.
Product Description
Littelfuse SMDJ40A is a high-performance, uni-directional, single-element transient voltage suppressor (TVS) diode designed to safeguard sensitive electronic equipment against voltage transients induced by lightning, switching, and other transient voltage events. It features a surface mount DO-214 package optimized to minimize board space while providing reliable protection.
The device supports a peak pulse power dissipation of 3 kW under a 10x1000µs waveform with a limited duty cycle of 0.01%, enabling robust defense against surge currents. The minimum breakdown voltage is rated at 44.4 V, with a maximum reverse standoff voltage of 40 V, providing effective suppression of voltage spikes.
This TVS diode offers a fast response time less than 1 picosecond, ensuring quick clamping action to safeguard circuitry. It also incorporates a glass passivated chip junction for enhanced durability and low incremental surge resistance which improves overall device performance during transient conditions.
The SMDJ40A features a maximum operating temperature of 150°C, supporting high-temperature soldering guaranteed at 260°C for 40 seconds. Its compact form factor with dimensions of 7.11 mm length, 6.22 mm width, and 2.41 mm height facilitates integration into high-density circuit boards.
Uni-directional transient voltage protection for sensitive electronics. 3 kW peak pulse power capability with excellent clamping voltage. Surface mount DO-214 package to save PCB space. High temperature tolerance and robust construction.
Fast response time under 1.0 ps to transient events. Glass passivated chip junction for reliability. Low leakage current and incremental surge resistance. Compatible with standard soldering processes. Operating temperature range from -65°C to +150°C.
Ideal for industrial, telecommunications, automotive, and electronic protection applications.
This Littelfuse SMDJ40A TVS Diode is suitable for protecting circuits in industrial automation, automotive electronics, telecommunications, power supply units, and consumer electronic devices. Its reliable transient voltage suppression extends product lifespan and maintains operational integrity under harsh electrical environments.
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Frequently Asked Questions
The Littelfuse SMDJ40A TVS diode has a peak pulse power dissipation of 3,000 watts under a 10x1000µs waveform.
The minimum breakdown voltage for this model is rated at 44.4 V.
The maximum reverse standoff voltage for the Littelfuse SMDJ40A is 40 V.
The clamping voltage (VC) for the SMDJ40A is 64.5 V.
This model has dimensions of 7.11 mm in length, 6.22 mm in width, and 2.41 mm in height.
It features a fast response time typically less than 1.0 picosecond to clamp transient voltages.
The maximum operating temperature for this diode is 150°C.
This TVS diode is packaged in a surface mount DO-214 package, which is suitable for compact PCB designs.
The maximum peak pulse current for the Littelfuse SMDJ40A is 46.5 A.
The minimum operating temperature for the SMDJ40A is -65°C.
This TVS diode is suitable for protecting circuits in industrial automation, automotive electronics, telecommunications, and consumer electronic devices.
The SMDJ40A features a uni-directional single-element diode configuration.
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