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X0203NA 1BA2 is listed in the Scrs range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is SCR 800V 1.25A TO92-3. Review the specifications below when checking this part for your BOM.
Scrs specifications for X0203NA 1BA2
- Description：SCR 800V 1.25A TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：Bulk
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：22.5A, 25A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- 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 - Off State (Max)：5 µA
Scrs datasheet and documents for X0203NA 1BA2
Scrs Overview
The X0203NA 1BA2 is a logic-level silicon controlled rectifier (SCR) from the X02 series, manufactured by STMicroelectronics. It features a TO-92 through-hole package with three pins. Key electrical parameters include a repetitive peak off-state voltage of 600 V and an on-state RMS current of 1.25 A. The device supports a maximum gate trigger current of 200 µA and has a surge current rating of 25 A. Operating temperatures range from -40°C to 125°C.
Scrs Feature Summary
- Logic-level triggering capability optimized for low gate drive currents
- Optimized forward voltage drop and inrush current handling for reduced power losses
- High reliability design suitable for harsh environments
Scrs Applications
- On/off switching functions where topology does not offer high current for gate triggering
Scrs Procurement Notes
Verify the specific suffix against official documentation to confirm exact voltage ratings and package variations. Ensure compatibility with system thermal requirements given the TO-92 form factor. Cross-reference datasheet specifications for gate trigger limits to prevent under-driving or over-driving the component during integration.
Scrs Selection Notes
Select this component when low gate drive current is required due to circuit topology constraints. The 1.25 A RMS rating suits moderate load applications. Consider the 600 V blocking voltage for standard AC line applications. Evaluate thermal dissipation capabilities within the TO-92 package for continuous operation scenarios.
Scrs Part Context
Part of the X02 series of logic-level SCRs designed for cost-effective and reliable switching. The series emphasizes ease of use in applications with limited gate drive availability. STMicroelectronics utilizes this platform for general-purpose AC control tasks requiring robust performance in industrial and consumer settings.
Scrs Replacement Considerations
Consult official substitution lists for equivalent logic-level SCRs with matching 1.25 A RMS and 600 V ratings. Verify pinout compatibility for TO-92 packages before replacing.
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