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STMicroelectronics 1-Element Uni-Directional TVS Diode, 400 W, 2-Pin DO-214 SMAJ70A-TR
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 2.45mm |
| Length | 4.6mm |
| Model | SMAJ70A-TR |
| Width | 2.9mm |
| Mount Type | Surface |
| Series | SMAJxxA |
| 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 | 146V |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 77.8V |
| Maximum Reverse Stand-off Voltage Vwm | 70V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 16A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Single diode configuration with uni-directional polarity for transient voltage suppression.
- Minimum breakdown voltage of 77.8 V and maximum reverse standoff voltage of 70 V.
- Clamping voltage rated at 146 V to protect sensitive electronics.
- Operates reliably from -55°C to 150°C for harsh environments.
- Supports a maximum peak pulse current of 16 A with a test current of 1 mA.
- Surface mount package with dimensions 4.6 mm length, 2.9 mm width, and 2.45 mm height.
- Low leakage current of 1 μA ensuring minimal standby current draw.
- Designed for transient voltage suppression on sensitive electronic circuits.
Product Description
STMicroelectronics SMAJ70A-TR is a highly reliable 1-element uni-directional TVS diode designed for transient voltage suppression applications. Rated for 400 W peak pulse power dissipation, it protects sensitive electronic components from voltage spikes and surges.
This diode is housed in a compact surface-mount DO-214 package featuring 2 pins, making it suitable for automated assembly and efficient PCB integration. Its electrical parameters include a minimum breakdown voltage of 77.8 V, maximum reverse stand-off voltage of 70 V, and a clamping voltage of 146 V, ensuring effective suppression during transient events.
Operating across a wide temperature range from -55°C to 150°C, it is ideal for industrial, automotive (non-automotive standard), and consumer electronic applications requiring transient protection. With a maximum peak pulse current of 16 A and low maximum leakage current of 1 μA, the device provides robust protection while maintaining minimal impact on normal circuit operation.
Physical dimensions measure 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height, suitable for dense PCB layouts. The SMAJxxA series continuity assures compatibility with other devices in the family.
Single diode, uni-directional transient voltage suppression. Surface mount DO-214 package for automated manufacturing. Wide operating temperature range from -55°C to 150°C. 400 W peak pulse power rating supports high transient currents.
Low reverse leakage current for efficient operation. Compact dimensions facilitate dense PCB layouts. Suitable for industrial and general electronic protection applications.
The SMAJ70A-TR from STMicroelectronics offers an excellent solution for protecting circuits against transient voltage spikes, making it essential for power supplies, industrial control, and electronic communication equipment.
Browse the Electronics & Electricals section on EnvMart to find more semiconductor components and TVS Diodes.
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Frequently Asked Questions
The maximum peak pulse power dissipation of the SMAJ70A-TR is rated at 400 W, providing effective protection against voltage spikes.
This model operates reliably within a temperature range of -55°C to 150°C, making it suitable for harsh environments.
The dimensions of the DO-214 package are 4.6 mm in length, 2.9 mm in width, and 2.45 mm in height, which allows for efficient PCB integration.
The clamping voltage of the SMAJ70A-TR is rated at 146 V, ensuring effective suppression during transient events.
The maximum reverse stand-off voltage for this model is 70 V, which helps protect sensitive electronics from overvoltage.
The SMAJ70A-TR features a single diode configuration, designed for uni-directional transient voltage suppression.
This model supports a maximum peak pulse current of 16 A, making it suitable for high transient currents.
The minimum breakdown voltage for this diode is 77.8 V, providing an effective threshold for voltage suppression.
The maximum reverse leakage current for the SMAJ70A-TR is 1 μA, ensuring minimal standby current draw during operation.
This model is designed for surface mounting, facilitating automated assembly and efficient PCB integration.
It is suitable for industrial, automotive (non-automotive standard), and consumer electronic applications requiring transient protection.
The SMAJ70A-TR is part of the SMAJxxA series, ensuring compatibility with other devices in the family.
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