IXYS MCC95-16IO1B Dual Thyristor Module

Parameter

Repetitive Off-State Voltage (Vdrm/Vrrm): 1600 V
On-State Current (RMS) (It(rms)): 95 A
Average On-State Current (It(av)): 60 A @ Tc=85°C
Non-Repetitive Surge Current (Itsm): 1200 A (for 10 ms, half-sine)
Gate Trigger Current (Igt): 150 mA (max)
Gate Trigger Voltage (Vgt): 1.5 V (max)
Holding Current (Ih): 200 mA (typical)
Critical Rate of Rise of Off-State Voltage (dv/dt): 1000 V/µs (min)
Operating Junction Temperature Range (Tj): -40°C to +125°C
Storage Temperature Range (Tstg): -40°C to +125°C
Mounting Baseplate Temperature (Tc): -40°C to +125°C
Thermal Resistance, Junction to Case (Rthjc): 0.25 K/W (per SCR)
Isolation Voltage (Visol): 4000 V RMS

Frequently asked questions

1.What is  MCC95-16IO1B ？
MCC95-16IO1B is a Dual Thyristor Module

2. What exactly does the "dual anti-parallel" structure in this module mean, and what is its function?
"Dual anti-parallel" means two Silicon-Controlled Rectifiers (SCRs) are packaged in parallel but with opposite polarity. This structure allows bidirectional current flow, enabling direct control of alternating current (AC) without the need for external discrete components to build a bridge circuit. Typical applications include AC voltage regulation, motor phase control, and solid-state relays.

3. What are the practical benefits of the module's "Electrically Isolated Baseplate"?
An isolated baseplate means there is high dielectric insulation (e.g., 4000V RMS) between the metal mounting base and the internal chip circuitry. This allows:
Direct mounting of the module onto a grounded heatsink or chassis without an additional insulating mica/washer, simplifying installation and improving thermal performance.
Enhanced system safety by preventing short-circuit risks due to insulation failure.

4. Can this module be used in DC (Direct Current) circuits?
It is not recommended. This module is specifically designed for AC control. While a single SCR can be used for DC switching, one SCR in the anti-parallel pair will remain reverse-biased and unable to conduct in a DC circuit. This results in only half of the device being utilized and prevents natural turn-off, potentially leading to loss of control. For DC switching, other dedicated devices (such as MOSFETs or IGBTs) should be selected.

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