Overview
The SMAJ8.5CA-TR is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is designed to protect sensitive electronic equipment against electrostatic discharges (ESD) and electrical overstress (EOS). It complies with international standards such as IEC 61000-4-2 and IEC 61000-4-4, ensuring robust protection against various types of transient voltages.
Key Specifications
| Property | Value |
|---|---|
| VR (V standoff) | 8.5 |
| Watts (W) | 400 |
| IPP 10x1000µs (A) | 27.8 |
| MIN VBR@IT (V) | 9.44 |
| MAX VBR@IT (V) | 10.4 |
| Vc (V) | 14.4 |
| IT (mA) | 1 |
| Ir@Vr (µA) | 20 |
| Operating Temperature Max (°C) | 150 |
| Polarity | Bipolar |
| Package | DO-214AC (SMA) |
| Peak Pulse Power - 10x1000 (W) | 400 |
| Surge Life | 27.8 |
| Tolerance % | 5 |
Key Features
- Halogen-free and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
- Designed for surface-mounted applications to optimize board space with a low profile package.
- Built-in strain relief for enhanced mechanical stability.
- Glass passivated junction for improved reliability and performance.
- Low inductance and excellent clamping capability to effectively suppress transient voltages.
- Fast response time, typically less than 1.0 ps from 0 Volts to V(BR) for unidirectional types.
- Low leakage current, typically less than 1 mA above 10 V.
Applications
The SMAJ8.5CA-TR TVS diode is suitable for a variety of applications where protection against transient voltages is crucial. These include:
- Consumer electronics: Protecting sensitive components in devices such as smartphones, laptops, and televisions.
- Industrial electronics: Safeguarding equipment in industrial control systems, power supplies, and communication devices.
- Automotive electronics: Ensuring the reliability of automotive systems by protecting against voltage spikes and ESD.
- Medical devices: Providing critical protection in medical equipment where reliability and safety are paramount.
Q & A
- What is the primary function of the SMAJ8.5CA-TR TVS diode?
The primary function is to protect sensitive electronic equipment against electrostatic discharges (ESD) and electrical overstress (EOS). - What are the key standards that the SMAJ8.5CA-TR complies with?
It complies with IEC 61000-4-2 and IEC 61000-4-4, among others. - What is the VR (standoff voltage) of the SMAJ8.5CA-TR?
The VR is 8.5 volts. - What is the peak pulse power rating of the SMAJ8.5CA-TR?
The peak pulse power rating is 400 watts. - What is the operating temperature range of the SMAJ8.5CA-TR?
The maximum operating temperature is 150°C. - Is the SMAJ8.5CA-TR RoHS compliant?
Yes, it is RoHS compliant and halogen-free. - What package type does the SMAJ8.5CA-TR use?
The package type is DO-214AC (SMA). - What is the typical response time of the SMAJ8.5CA-TR?
The typical response time is less than 1.0 ps from 0 Volts to V(BR). - What are some common applications for the SMAJ8.5CA-TR?
Common applications include consumer electronics, industrial electronics, automotive electronics, and medical devices. - Does the SMAJ8.5CA-TR have built-in strain relief?
Yes, it has built-in strain relief for enhanced mechanical stability.
