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| Country of Origin | India |
|---|---|
| Brand | Littelfuse |
| Height | 2.087mm |
| Length | 4.5mm |
| Model | SMAJ28A |
| Width | 2.79mm |
| Mount Type | Surface |
| Series | SMAJ |
| 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 | 45.4V |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 31.1V |
| Maximum Reverse Stand-off Voltage Vwm | 28V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 8.8A |
| Maximum Reverse Leakage Current | 1μA |
Littelfuse SMAJ28A is a 1-element uni-directional TVS diode designed to safeguard electronic circuits by clamping voltage transients. It offers a peak pulse power dissipation rating of 400 W and comes housed in a space-saving DO-214 surface mount package suitable for automated assembly processes.
Featuring a minimum breakdown voltage of 31.1V and maximum reverse stand-off voltage of 28V, this diode prevents voltage spikes from damaging sensitive components in electronic devices. The clamping voltage rating of 45.4V ensures rapid response to transients, maintaining circuit integrity under surge conditions.
With a pin count of 2 and a small form factor measuring 4.5 mm in length, 2.79 mm in width, and 2.087 mm in height, the SMAJ28A is ideal for compact designs. It supports a wide operating temperature from -65°C to 150°C, making it suitable for industrial, automotive, telecommunications, and consumer electronics applications that demand reliable surge protection.
The diode provides electrostatic discharge (ESD) protection and has a maximum peak pulse current rating of 8.8A, making it effective for transient voltage suppression in harsh electrical environments.
Single element diode configuration designed for uni-directional transient voltage suppression. Compact, surface mount DO-214 package facilitates integration into printed circuit boards. Temperature range of -65°C to 150°C for reliable operation in diverse conditions.
Low leakage current reduces power losses and enhances performance. High surge capability with 400W peak pulse power dissipation ensures durable protection. Clamping voltage limits voltage spikes to protect downstream circuitry.
Automotive and industrial applications compatible, excluding specific automotive standards.
This Littelfuse SMAJ28A TVS diode is essential for protecting semiconductor devices from damage caused by voltage transients during power switching, lightning events, and electrostatic discharge. It supports a variety of industries including electronics manufacturing, telecommunications, instrumentation, and industrial control systems.
Explore other Littelfuse TVS Diodes and semiconductor protection components in the EnvMart catalog to find the perfect fit for your project's requirements.
Interested in this product? Drop us an email and we will let you know when it's available for order.
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