4 Amp bi-directional solid state switch series is designed for AC switching and phase control applications such as motor speed and temperature modulation controls, lighting controls, and static switching relays.Sensitive type devices guarantee gate control in Quadrants I & IV needed for digital control circuitry.Standard type devices normally operate in Quadrants I & III triggered from AC line. RoHS Compliant Glass-passivated junctions Voltage capability up to 1 kV Surge capability up to 55 A L-package is UL Recognized for an isolation voltage of 2.5 kVrms Solid-state switching eliminates arcing or contact bounce that create voltage transients No contacts to wear out from reaction of switching events Restricted (or limited) RFI generation, depending on activation point of sine wave Requires only a small gate activation pulse in each half-cycle
TRIAC Logic - Sensitive Gate 400V 4A Through Hole TO-220 Isolated Tab
Manufacturer: Littelfuse Inc.
Win Source Part Number: 045990-Q4004L3
Packaging: Tube/Rail
Mounting: Through Hole
Current - Hold (Ih) (Max): 20mA
Configuration: Single
Voltage - Off State: 400V
Voltage - Gate Trigger (Vgt) (Max): 1.3V
Current - Gate Trigger (Igt) (Max): 10mA
Current - On State (It (RMS)) (Max): 4A
Current - Non Rep. Surge 50, 60Hz (Itsm): 46A, 55A
Triac Type: Logic - Sensitive Gate
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -40°C to 125°C (TJ)
Case / Package: TO-220 Isolated Tab
Popularity: Medium
Fake Threat In the Open Market: 57 pct.
Supply and Demand Status: Limited
4 Quadrant Logic Level TRIAC, 400V V(DRM), 4A I(T)RMS, TO-220AB, ISOLATED TO-220, 3 PIN Product overview: Q4004L3 from Littelfuse is a Triac for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Isolated, 400V, 4A, TO-220. Search-friendly keywords include Triac, TRIACs, electronic component, datasheet, replacement part, Isolated, 400V, 4A, TO-220. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 300-Q4004L3 can be used for catalog matching and distributor lookup.
TRIAC, 400V, 4A, TO-220; PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM:400V; GATE TRIGGER CURRENT MAX (QI) , IGT:10MA; ON STATE RMS CURRENT IT(RMS) :4A; PEA. FREE 2 YEAR RADWELL WARRANTY
TRIAC SENS GATE 400V 4A TO220
| Littelfuse, Inc. | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Radwell International | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Triacs | Thyristors | Triacs | Triacs | Triacs | Thyristors | Triacs |
| Product Number | Q4004L3 | Q4004L3-ND | 045990-Q4004L3 | 300-Q4004L3 | 21597272 | Q4004L3 | Q4004L3 |
| Product Name | Power Semiconductors & Control ICs - Thyristors (SCR & TRIAC) - TRIAC - Series: Low Power TRIAC up to 1200V - Q4004L3 | TRIACs | Triacs - Q4004L3 | Isolated 400V 4A TO-220 Triac | Thyristor/SCR/Triac/Diac/Alternistor | Triacs | Discrete Semiconductor Products - Thyristors - TRIACs |
| VTM | 1.6 volts | ||||||
| IT(RMS) | 4 amps | 4 amps | |||||
| Package Type | TO-220; TO-220-3 Isolated Tab | TO-220 Isolated Tab | TO-220-3 | TO-220-3 Isolated Tab | |||
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | |||
| VDRM | 400 volts | 400 volts |
