Q4015LT overview
Q4015LT is a component documented by Littelfuse. The PDF description identifies it as "Quadrac - Internally Triggered Triacs (4 A to 15 A)." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Littelfuse
- Part number: Q4015LT
- Category: IC
- Datasheet length: 6 Pages
Key features noted in the PDF
- R o H S C o m p l i a n t
- Glass-passivated junctions
- Electrically-isolated package
- Internal trigger diac
- High surge capability — up to 200 A
- High voltage capability — 200 V to 600 V TO-220 MT2 MT1 T
- All measurements are made at 60 Hz with resistive load at an ambi- ent temperature of +25 °C unless otherwise specified.
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- Operating temperature range (T J) is -40 °C to +125 °C.
- Storage temperature range (T S) is -40 °C to +125 °C.
- Lead solder temperature is a maximum of +230 °C for 10 seconds maximum; ≥1/16" (1.59 mm) from case.
- VDRM IDRM VTM Trigger Diac Specifications (T–MT1) Isolated ∆VBO VBO [∆V± ]I BO CT (5) TO-220 (1) Volts (1) (10) mAmps (1) (3) Volts (7) Volts (6) Volts (6) Volts µAmps (11) µFarads TC = 25 °C TC = 100 °C TC = 125 °C T C = 25 °C See “Packag.
- E3 - 3 Thyristor Product Catalog +1 972-580-7777 (5) See Figure E3.6, Figure E3.7, and Figure E3.8 for current rating at specific operating temperature. (6) See Figure E3.2 and Figure E3.3 for test circuit. (7) ∆VBO = [+ VBO] - [- VBO] (8).
- Electrical Isolation All Teccor isolated Quadrac packages withstand a minimum high potential test of 2500 V ac rms from leads to mounting tab over the operating temperature range of the device.
- The following iso- lation table shows standard and optional isolation ratings.* UL Recognized File #E71639 **For 4000 V isolation, use “V” suffix in part number.
Topics covered by the datasheet
The document includes sections related to:
- Features
Engineering review checklist
- Verify capacitance tolerance, rated voltage, temperature range and any DC-bias derating.
- Check ESR, ripple-current capability, lifetime and polarity requirements under worst-case conditions.
- Confirm package dimensions, land pattern and reflow or mounting limits for the selected ordering code.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the Q4015LT datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=q4015lt-littelfuse