40 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.Alternistor type devices only operate in quadrants I, II, & III and are used in circuits requiring high dv/dt capability. RoHS Compliant Glass-passivated junctions Voltage capability up to 1 kV Surge capability up to 400 A J-packages and K-packages packages are UL Recognized for isolation voltages of 2.5 kVrms
Alternistor TRIAC, 1000V V(DRM), 40A I(T)RMS, TO-218, TO-218, 3 PIN Product overview: QK040K7 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 1000V, 40A. Search-friendly keywords include Triac, TRIACs, electronic component, datasheet, replacement part, 1000V, 40A. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 300-QK040K7 can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 890586-QK040K7
Operating Temperature Range: -40°C ~ 125°C (TJ)
Features: TRIAC Alternistor - Snubberless 1 kV 40 A Through Hole TO-218 Isolated Tab
Package: Bulk
Package: TO-218-3 Isolated Tab, TO-218AC
Mounting: Through Hole
Part Status: Obsolete
Categories: Discrete Semiconductor Products
Case / Package: TO-218 Isolated Tab
ECCN: EAR99
Popularity: High
Fake Threat In the Open Market: 58 pct.
Supply and Demand Status: Limited
Quantity per package: 250
MSL Level: 1 (Unlimited)
HTSUS: 8541.30.0080
TRIAC ALTERNISTOR 1KV 40A TO218
ALTERNISTOR TRIACS TRIACS, 1KV, 40A, TO-218AC; Peak Repetitive Off State Voltage:1kV; On State RMS Current:40A; Triac Case Style:TO-218AC; Gate Trigger Voltage Max:2V; Peak Non Repetitive Surge Current:335A; Holding Current Max:100mARoHS Compliant: Yes
| Littelfuse, Inc. | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|
| Product Category | Triacs | Triacs | Triacs | Triacs | Triacs |
| Product Number | QK040K7 | 300-QK040K7 | 890586-QK040K7 | QK040K7 | 12J0301 |
| Product Name | Power Semiconductors & Control ICs - Thyristors (SCR & TRIAC) - TRIAC - Series: Low Power TRIAC up to 1200V - QK040K7 | 1000V 40A Triac | Triacs - QK040K7 | Discrete Semiconductor Products - Thyristors - TRIACs | Alternistor Triacs Triacs, 1Kv, 40A, To-218Ac; Peak Repetitive Off State Voltage Littelfuse |
| Standards and Certifications | RoHS | RoHS | |||
| VTM | 1.8 volts | ||||
| IT(RMS) | 40 amps | 40 amps | |||
| Package Type | TO-218-3 | TO-218 Isolated Tab | TO-218-3 Isolated Tab, TO-218AC | TO-218AC |
