Overview
The X0203MA 2BL2 is a Silicon-Controlled Rectifier (SCR) produced by STMicroelectronics. This device is optimized for applications where the topology does not offer high current for gate triggering. It is designed to minimize forward voltage drop and inrush current, thereby reducing power losses and enhancing reliability in harsh environments. The X0203MA 2BL2 is particularly suitable for on/off functions in various power management and control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - On State (Vtm) (Max) | 1.45 V |
| Current - On State (It (AV)) (Max) | 800 mA |
| Current - On State (It (RMS)) (Max) | 1.25 A |
| Current - Hold (Ih) (Max) | 5 mA |
| Current - Off State (Max) | 5 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 22.5 A, 25 A |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Key Features
- On-state rms current: 1.25 A
- Repetitive peak off-state voltage: 600 V or 800 V
- Gate triggering current: 50 to 200 µA
- Low forward voltage drop: 1.45 V
- High reliability in harsh environments
- Sensitive gate for low gate triggering current requirements
Applications
- DC motor control and drives
- Battery chargers
- Welders
- Power converters
- Lighting control
- Heat and temperature control systems
Q & A
- What is the maximum on-state current of the X0203MA 2BL2?
The maximum on-state rms current is 1.25 A, and the maximum average on-state current is 800 mA. - What is the repetitive peak off-state voltage of the X0203MA 2BL2?
The repetitive peak off-state voltage is 600 V or 800 V. - What is the gate triggering current range for the X0203MA 2BL2?
The gate triggering current ranges from 50 to 200 µA. - What is the operating temperature range of the X0203MA 2BL2?
The operating temperature range is -40°C to 125°C. - What type of mounting does the X0203MA 2BL2 use?
The X0203MA 2BL2 uses through-hole mounting. - Is the X0203MA 2BL2 RoHS compliant?
Yes, the X0203MA 2BL2 is ROHS3 compliant. - What are the typical applications of the X0203MA 2BL2?
Typical applications include DC motor control, battery chargers, welders, power converters, lighting control, and heat and temperature control systems. - What is the maximum non-repetitive surge current for the X0203MA 2BL2?
The maximum non-repetitive surge current is 22.5 A for 50 Hz and 25 A for 60 Hz. - What is the holding current of the X0203MA 2BL2?
The holding current is 5 mA. - Is the X0203MA 2BL2 sensitive gate SCR suitable for high reliability in harsh environments?
Yes, it is optimized for high reliability in harsh environments.
