Q4008VH4
TRIAC ALTERNISTOR 400V 8A TO251Manufacturer: Littelfuse Inc.
Categories: TRIACs
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Littelfuse Inc. Q4008VH4 TRIAC ALTERNISTOR 400V 8A TO251 is a snubberless Alternistor TRIAC designed for high-reliability AC power switching applications. This component offers a 400V repetitive peak off-state voltage (VDRM) and an 8A RMS on-state current (IT(RMS)). The Q4008VH4 features a maximum gate trigger current (IGT) of 35mA and a maximum gate trigger voltage (VGT) of 1.3V. Its holding current (IH) is also rated at a maximum of 35mA. The device exhibits excellent surge capability with a non-repetitive surge current of 80A and 85A at 50Hz and 60Hz respectively. Packaged in a TO-251-3 Short Leads (IPAK) package, it is suitable for through-hole mounting. Operating temperature range is -40°C to 125°C. This TRIAC is commonly utilized in motor control, lighting control, and power switching circuits across various industrial and consumer electronics sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-251-3 Short Leads, IPAK, TO-251AA |
| Mounting Type | Through Hole |
| Triac Type | Alternistor - Snubberless |
| Configuration | Single |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Current - Hold (Ih) (Max) | 35 mA |
| Current - Gate Trigger (Igt) (Max) | 35 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 80A, 85A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.3 V |
| Supplier Device Package | TO-251 (V-Pak/I-Pak) |
| Current - On State (It (RMS)) (Max) | 8 A |
| Voltage - Off State | 400 V |
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