TRIAC Alternistor - Snubberless 400V 8A Surface Mount TO-252, (D-Pak)
Alternistor TRIAC, 400V V(DRM), 8A I(T)RMS, TO-252AA, DPAK-3 Product overview: Q4008DH4RP 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 400V, 8A, DPAK. Search-friendly keywords include Triac, TRIACs, electronic component, datasheet, replacement part, 400V, 8A, DPAK. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 300-Q4008DH4RP can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 1091000-Q4008DH4RP
Packaging: Reel - TR
Mounting: SMD (SMT)
Current - Hold (Ih) (Max): 35mA
Configuration: Single
Voltage - Off State: 400V
Voltage - Gate Trigger (Vgt) (Max): 1.3V
Current - Gate Trigger (Igt) (Max): 35mA
Current - On State (It (RMS)) (Max): 8A
Current - Non Rep. Surge 50, 60Hz (Itsm): 80A, 85A
Triac Type: Alternistor - Snubberless
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -40°C to 125°C (TJ)
Case / Package: TO-252, (D-Pak)
Popularity: Medium
Fake Threat In the Open Market: 66 pct.
Supply and Demand Status: Balance
Triac; Peak Repetitive Off State Voltage:400V; On State RMS Current:8A; Triac Case Style:TO-252 (DPAK); Gate Trigger Voltage Max:1.3V; Peak Non Repetitive Surge Current:83A; Holding Current Max:35mA; No. of Pins:3Pins RoHS Compliant: Yes
TRIAC ALTERNISTOR 400V 8A TO252
| DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Thyristors | Triacs | Triacs | Thyristors | Triacs | Triacs |
| Product Number | Q4008DH4RP-ND | 300-Q4008DH4RP | 1091000-Q4008DH4RP | Q4008DH4RP | 71J1770 | Q4008DH4RP |
| Product Name | TRIACs | 400V 8A DPAK Triac | Triacs - Q4008DH4RP | Triacs | Triac; Peak Repetitive Off State Voltage Littelfuse | Discrete Semiconductor Products - Thyristors - TRIACs |
| Package Type | DPAK; TO-252-3, DPAK (2 Leads + Tab), SC-63 | TO-252-3 | TO-252, (D-Pak) | DPAK; TO-252 (DPAK) | ||
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | ||
| Standards and Certifications | RoHS | RoHS | ||||
| VDRM | 400 volts | 400 volts | ||||
| ITSM | 8 amps |
