Overview
The X0202MA 1BA2 is a 1.25 A logic level Silicon-Controlled Rectifier (SCR) produced by STMicroelectronics. This device is optimized for reduced power losses and high reliability in harsh environments, making it suitable for various industrial and power management applications. The X0202MA 1BA2 is designed to function as an on/off switch in circuits where the topology does not provide high current for gate triggering.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| RMS On-state Current (IT(RMS)) | 1.25 | A |
| Repetitive Peak Off-state Voltage (VDRM/VRRM) | 600 or 800 | V |
| Triggering Gate Current (IGT) | 50 to 200 | µA |
| Average On-state Current (IT(AV)) | 0.8 | A |
| Non-Repetitive Surge Peak On-state Current (ITSM) | 25 (F = 50 Hz, tp = 8.3 ms), 22.5 (F = 60 Hz, tp = 10 ms) | A |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Storage Junction Temperature Range | -40 to +150 | °C |
| Package | TO-92 | |
| Grade | Industrial | |
| RoHS Compliance Grade | Ecopack2 |
Key Features
- Optimized for reduced power losses and high reliability in harsh environments.
- Low forward voltage drop and inrush current capabilities.
- Suitable for logic level gate triggering with a gate current range of 50 to 200 µA.
- Available in various packages including TO-92, SOT-223, and SMB Flat-3L.
- High junction temperature rating up to 125°C.
- Compliant with RoHS and halogen-free standards.
Applications
- Ground fault circuit interrupters.
- Overvoltage crowbar protection in power supplies.
- Capacitive ignition circuits.
- General on/off switching in industrial and power management systems.
Q & A
- What is the maximum RMS on-state current of the X0202MA 1BA2?
The maximum RMS on-state current is 1.25 A.
- What are the possible values for the repetitive peak off-state voltage (VDRM/VRRM)?
The repetitive peak off-state voltage can be either 600 V or 800 V.
- What is the range for the triggering gate current (IGT)?
The triggering gate current ranges from 50 to 200 µA.
- What is the operating junction temperature range for this device?
The operating junction temperature range is -40 to +125 °C.
- What packages are available for the X0202MA 1BA2?
The device is available in TO-92, SOT-223, and SMB Flat-3L packages.
- Is the X0202MA 1BA2 RoHS compliant?
- What are some typical applications for the X0202MA 1BA2?
Typical applications include ground fault circuit interrupters, overvoltage crowbar protection in power supplies, and capacitive ignition circuits.
- What is the maximum non-repetitive surge peak on-state current for this device?
The maximum non-repetitive surge peak on-state current is 25 A for 50 Hz and 22.5 A for 60 Hz.
- What is the storage junction temperature range for the X0202MA 1BA2?
The storage junction temperature range is -40 to +150 °C.
- Is the X0202MA 1BA2 suitable for harsh environments?
