SCR switching device Littelfuse S4040NQRP with 400V voltage capability and 520A surge current rating
Key Attributes
Model Number:
S4040NQRP
Product Custom Attributes
Holding Current (Ih):
60mA
Current - Gate Trigger(Igt):
40mA
Voltage - On State(Vtm):
1.8V
Current - On State(It(RMS)):
40A
Peak Off - State Voltage(Vdrm):
400V
SCR Type:
1 SCR
Operating Temperature:
-40℃~+125℃
Gate Trigger Voltage (Vgt):
1.5V
Mfr. Part #:
S4040NQRP
Package:
TO-263-2
Product Description
Product Description
The S4040xQx series of SCRs are designed for applications requiring fast turn-off time (tq), such as power inverters, switching regulators, and high-frequency pulse circuits. These SCRs offer high dv/dt and high di/dt characteristics, making them suitable for switching circuits operating at frequencies greater than 1000 PPS. They provide voltage capabilities up to 400V and surge capabilities up to 520A, available in TO-220 and TO-263 packages.
Product Attributes
- Brand: Teccor
- Certifications: RoHS compliant
- Material: Glass-passivated junctions
Technical Specifications
| Symbol | Parameter | Test Conditions | Sxx40xQ | Sxx40xQ2 | Sxx40xQ3 | Unit |
|---|---|---|---|---|---|---|
| IT(RMS) | RMS on-state current | TC = 100C | 40 | A | ||
| VDRM/VRRM | Voltage capability | 400 | V | |||
| IGT | Gate Trigger Current | VD = 12V; RL = 30 | MAX. 35 MIN. 15 | MAX. 45 MIN. 30 | MAX. 65 MIN. 38 | mA |
| VGT | Gate Trigger Voltage | VD = 12V; RL = 30; TJ = 25C | MAX. 1.5 | V | ||
| IH | Holding Current | IT = 400mA (initial) | MAX. 70 | MAX. 120 | MAX. 200 | mA |
| tq | Turn-off time | IT=0.5A; tp=50s; dv/dt=5V/s; di/dt=-30A/s | MAX. 15 | MAX. 12 | MAX. 5 | s |
| R(J-C) | Junction to case thermal resistance | (AC) | 0.6 | C/W | ||
| R(J-A) | Junction to ambient thermal resistance | 40 | C/W | |||
| VTM | On-state Voltage | IT = 80A; tp = 380s | MAX. 1.8 | MAX. 2.2 | V | |
| IDRM / IRRM | Leakage Current | VDRM / VRRM; TJ = 125C | 2000 | A | ||
2411272145_Littelfuse-S4040NQRP_C315971.pdf
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