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Bourns 1-Element Uni-Directional TVS Diode 400 W Surface Mount DO-214 2-Pin SMAJ28A
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Bourns |
| Height | 2.42mm |
| Length | 4.57mm |
| Model | SMAJ28A |
| Width | 2.92mm |
| Mount Type | Surface |
| Series | SMA |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 28V |
| Automotive Standard | AEC-Q101 |
| 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 | 35A |
| Maximum Reverse Leakage Current | 5μA |
Key Features
- This TVS diode has a diode configuration of single element.
- It operates with a minimum breakdown voltage of 31.1 V and a maximum reverse stand-off voltage of 28 V.
- The diode supports a peak pulse current of up to 35 A and test current of 1 mA.
- Designed for transient voltage suppression with a clamping voltage of 28 V for protection.
- It features ESD protection and meets the AEC-Q101 automotive standard.
- The device has operating temperature limits from -55°C to 150°C.
- The package measures 4.57 mm in length, 2.92 mm in width, and 2.42 mm in height.
- This surface mount DO-214 package diode is ideal for protecting electronics in automotive, industrial, and consumer applications.
Product Description
Bourns SMAJ28A 1-Element Uni-Directional TVS Diode offers reliable transient voltage suppression with 400 W peak pulse power dissipation, housed in a compact DO-214 surface mount package. This device ensures robust protection for sensitive electronics against voltage spikes and electrostatic discharge events.
The diode configuration is single element and unidirectional, with a minimum breakdown voltage of 31.1 V, making it highly effective in preventing damage from transient surges. The diode clamps voltage at 28 V and supports a peak pulse current of 35 A, ensuring rapid response and durability in electrical circuits.
Designed to operate within a broad temperature range from -55°C to 150°C, the SMAJ28A is suited for harsh environments, including automotive and industrial electronics requiring high reliability and automotive grade compliance with AEC-Q101 standard.
The device dimensions - length 4.57 mm, width 2.92 mm, and height 2.42 mm - facilitate efficient PCB layout and compact design adoption. With 2 pins, this TVS diode is designed for surface mount technology (SMT) and is packaged in a DO-214 format for easy assembly and handling.
Single element diode configuration optimized for surge suppression. Uni-directional transient voltage suppression up to 400 W peak pulse power. Compact surface mount DO-214 package supports efficient board integration. Wide operating temperature range from -55°C to 150°C for durable application.
Automotive standard AEC-Q101 approval ensures automotive electronics compliance. Effective clamping at 28 V protects against transient voltage spikes. ESD protection capabilities maintain device integrity in sensitive circuits.
Compact dimensions (4.57 x 2.92 x 2.42 mm) ideal for space-constrained designs.
This Bourns SMAJ28A TVS diode is widely used in industrial, automotive, and electronic manufacturing sectors for protection of power lines, data lines, and sensitive components against voltage transient events. It supports enhanced equipment longevity and reliability, making it an essential component for transient voltage suppression in complex electrical systems.
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Frequently Asked Questions
The Bourns SMAJ28A TVS diode has a peak pulse power dissipation of 400 W.
This model has dimensions of 4.57 mm in length, 2.92 mm in width, and 2.42 mm in height.
The minimum breakdown voltage for the SMAJ28A is 31.1 V.
The maximum reverse stand-off voltage for this diode is 28 V.
The maximum peak pulse current supported by the SMAJ28A is 35 A.
This TVS diode operates within a temperature range of -55°C to 150°C.
The SMAJ28A features a single element diode configuration that is uni-directional.
This diode meets the AEC-Q101 automotive standard, ensuring it is suitable for automotive applications.
The clamping voltage for this model is 28 V, providing effective protection against voltage spikes.
The test current for the SMAJ28A is 1 mA.
This diode is housed in a DO-214 surface mount package, suitable for efficient PCB integration.
The maximum reverse leakage current for this diode is 5 μA.
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