For Reference Only
| Part Number | S4055R |
| Manufacturer | Littelfuse Inc. |
| Category | Discrete Semiconductor › Thyristors - SCRs |
| Description | SCR 400V 55A TO220 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | S4055R PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 09 - Dec 13 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | S4055R |
| Brand: | Littelfuse Inc. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Thyristors - SCRs |
| Manufacturer: | Littelfuse Inc. |
| Product Status: | Discontinued at Digi-Key |
| Voltage - Off State: | 400 V |
| Voltage - Gate Trigger (Vgt) (Max): | 1.5 V |
| Current - Gate Trigger (Igt) (Max): | 40 mA |
| Voltage - On State (Vtm) (Max): | 1.8 V |
| Current - On State (It (AV)) (Max): | 35 A |
| Current - On State (It (RMS)) (Max): | 55 A |
| Current - Hold (Ih) (Max): | 60 mA |
| Current - Off State (Max): | 10 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm): | 550A, 650A |
| SCR Type: | Standard Recovery |
| Operating Temperature: | -40°C ~ 125°C |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-3 |
| Supplier Device Package: | TO-220 Non-Isolated Tab |
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| In Stock | 42762 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.63000 | $3.63 |
| 10 | $3.25900 | $32.59 |
| 25 | $2.94880 | $73.72 |
| 100 | $2.70110 | $270.11 |
| 250 | $2.45324 | $613.31 |
| 500 | $2.21782 | $1108.91 |
| 1000 | $1.89567 | $1895.67 |
| 2500 | $1.80894 | $4522.35 |
| 5000 | $1.74699 | $8734.95 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
