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| Part Number | CQ202-4BS | CQ202-4DS | CQ202-4DS-2 |
| Manufacturer | Central Semiconductor Corp | Central Semiconductor Corp | Central Semiconductor Corp |
| Series | - | - | - |
| Package/Case | TO-202 Long Tab | TO-202 Long Tab | TO-202 Long Tab |
| Packaging | Bulk | Bulk | Bulk |
| Product Status | Obsolete | Obsolete | Obsolete |
| Triac Type | Internally Triggered | Internally Triggered | Internally Triggered |
| Voltage - Off State | 200 V | 400 V | 400 V |
| Current - On State (It (RMS)) (Max) | 4 A | 4 A | 4 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.75 V | 1.75 V | 1.75 V |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | - | - | - |
| Current - Gate Trigger (Igt) (Max) | 9 mA | 9 mA | 9 mA |
| Current - Hold (Ih) (Max) | 5 mA | 5 mA | 5 mA |
| Configuration | Single | Single | Single |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Grade | - | - | - |
| Qualification | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | TO-202 | TO-202 | TO-202 |
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