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| PartNumber | S4055NRP | S4055NTP | S4055N |
| Description | SCRs 55A 400V | SCRs 55A 400V | |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | SCRs | SCRs | Thyristors - DIACs, SIDACsThyristors - SCRs |
| RoHS | Y | Y | - |
| Series | Sxx55x | Sxx55x | Sxx55x |
| Breakover Current IBO Max | 650 A | 650 A | - |
| Rated Repetitive Off State Voltage VDRM | 400 V | 400 V | 400 V |
| Off State Leakage Current @ VDRM IDRM | 10 uA | 10 uA | - |
| On State RMS Current It RMS | 55 A | 55 A | - |
| Vf Forward Voltage | 1.8 V | 1.8 V | - |
| Gate Trigger Voltage Vgt | 1.5 V | 1.5 V | - |
| Gate Trigger Current Igt | 40 mA | 40 mA | - |
| Holding Current Ih Max | 60 mA | 60 mA | 60 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SMTO-263-2 | SMTO-263-2 | - |
| Packaging | Reel | Tube | Tape & Reel (TR) Alternate Packaging |
| Current Rating | 55 A | 55 A | - |
| Features | Glass passivated Chip junction | Glass passivated Chip junction | - |
| Height | 4.78 mm | 4.78 mm | - |
| Length | 10.67 mm | 10.67 mm | - |
| Type | Sensitive SCRs | SCRs | - |
| Width | 9.4 mm | 9.4 mm | - |
| Brand | Littelfuse | Littelfuse | - |
| Non Repetitive On State Current | 650 A | - | 650 A |
| Product Type | SCRs | SCRs | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Thyristors | Thyristors | - |
| Tradename | Teccor | Teccor | - |
| Unit Weight | 0.070548 oz | - | 0.070548 oz |
| Package Case | - | - | TO-263-3, D2Pak (2 Leads + Tab), TO-263AB |
| Operating Temperature | - | - | -40°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | TO-263 (D2Pak) |
| Current Hold Ih Max | - | - | 60mA |
| Voltage Off State | - | - | 400V |
| Voltage Gate Trigger Vgt Max | - | - | 1.5V |
| Current Gate Trigger Igt Max | - | - | 40mA |
| Voltage On State Vtm Max | - | - | 1.8V |
| Current On State It AV Max | - | - | 35A |
| Current On State It RMS Max | - | - | 55A |
| Current Off State Max | - | - | 10μA |
| Current Non Rep# Surge 50 60Hz Itsm | - | - | 550A, 650A |
| SCR Type | - | - | Standard Recovery |
| Gate Trigger Voltage Vgt | - | - | 1.5 V |
| Gate Trigger Current Igt | - | - | 40 mA |
| On State RMS Current It RMS | - | - | 55 A |
| Off State Leakage Current VDRM IDRM | - | - | 0.01 mA |
| Vf Forward Voltage | - | - | 1.8 V |