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MCR08BT1,115
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Product Detailed Parameters
- Description：SCR 200V 800MA SC73
- Series：-
- Mfr：WeEn Semiconductors
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：200 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)：8A, 9A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SC-73
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：500 mA
- Current - On State (It (RMS)) (Max)：800 mA
- Current - Off State (Max)：100 µA
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Overview
The MCR08BT1,115 is a planar passivated Silicon Controlled Rectifier (SCR) manufactured by WeEn Semiconductors. It features a sensitive gate design suitable for direct interfacing with microcontrollers and logic circuits. The device is housed in a SOT-223 surface-mount package. Key electrical specifications include a rated repetitive off-state voltage (VDRM) of 200 V, an on-state RMS current (It RMS) of 800 mA, and a non-repetitive peak on-state current of 9 A. The maximum operating junction temperature is +125°C.
Feature Summary
- Sensitive gate trigger capability allows direct interface with low-power control logic.
- Planar passivated construction ensures reliability and uniformity.
- Surface mountable plastic package facilitates automated manufacturing.
Applications
- Relay drivers
- Lamp drivers
- Small motor controls
- Gate drivers for larger thyristors
Procurement Notes
Verify the specific ordering suffix to confirm packaging configuration, as the base part number may correspond to different reel or cut-tape options. Ensure the component meets RoHS compliance requirements for the intended assembly process. Cross-reference the manufacturer's datasheet revision history to confirm parameter stability before finalizing procurement specifications.
Selection Notes
Select this component when a compact SCR with low gate trigger current is required for line-powered consumer applications. The 200 V blocking voltage rating suits low-voltage AC switching tasks. Consider the SOT-223 package constraints for thermal management and PCB layout space. Verify that the 800 mA RMS current capacity aligns with the load requirements.
Part Context
This device belongs to the family of sensitive gate silicon controlled rectifiers designed for consumer electronics. It serves as a cost-effective solution for switching applications where space is limited. The product is currently in volume production status. It is distinct from triacs as it offers unidirectional current flow characteristics.
Replacement Considerations
Check for equivalent parts from other manufacturers such as ON Semiconductor or Motorola, which share the MCR08BT1 designation. Verify pinout compatibility and thermal resistance values when substituting. Ensure the replacement maintains the same sensitive gate sensitivity and voltage ratings.
