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MCR8DSMT4
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Product Detailed Parameters
- Description：SCR 600V 8A DPAK
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：6 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：90A @ 60Hz
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：5.1 A
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：10 µA
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Overview
The MCR8DSMT4 is a reverse blocking thyristor (SCR) from onsemi, packaged in a surface-mount DPAK (Case 369C). It features an 8.0 A RMS on-state current rating and peak repetitive off-state voltages of 600 V for the M variant or 800 V for the N variant. The device operates within a junction temperature range of -40°C to 110°C and includes a passivated die for reliability. Electrical characteristics include a typical peak forward on-state voltage of 1.4 V at 16 A and a gate trigger current of up to 200 µA.
Feature Summary
- Passivated die construction ensures uniformity and long-term reliability
- Low level triggering and holding characteristics facilitate easy control
- ESD protection rated at 8000 V via Human Body Model
- Available in lead-free epoxy packages meeting UL 94 V-0 standards
Applications
- Motor control systems
- Process control applications
- Temperature regulation circuits
- Light dimming controls
- Speed control mechanisms
Procurement Notes
Verify the specific voltage suffix (M for 600V or N for 800V) required for your design, as the base part number covers both ratings. Confirm that the T4 tape and reel packaging quantity matches your assembly line requirements. Ensure the selected component meets any applicable environmental compliance standards relevant to your target market.
Selection Notes
Select this component when a robust, low-cost SCR is needed for industrial or consumer AC control applications. Consider the thermal resistance values if operating near maximum current limits. Evaluate the gate trigger sensitivity against your driving circuit capabilities to ensure reliable turn-on under varying temperature conditions.
Part Context
This device belongs to the MCR8 series of silicon controlled rectifiers designed for high-volume manufacturing. It serves as a cost-effective solution for replacing through-hole components in space-constrained designs while maintaining comparable electrical performance and ruggedness for general-purpose power switching tasks.
Replacement Considerations
Direct pin-compatible replacements may include other DPAK SCRs with matching current and voltage ratings. Verify thermal dissipation requirements and gate drive specifications before substituting with devices from different manufacturers.
