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Description
LITTELFUSE 2N6509G Thyristor, 800 V, 40 mA, 16 A, 25 A, TO-220AB, 3 PinsThe 2N6509G is a Reverse Blocking Thyristor Silicon Controlled Rectifier designed primarily for half? wave AC control applications, such as motor controls, heating controls and power supply crowbar circuits. It has small, rugged, Thermopad construction for low thermal resistance, high heat dissipation and durability. Glass passivated junctions with center gate fire for greater parameter uniformity and stability Blocking voltage to 800V 20W Forward
The 2N6509G is a Reverse Blocking Thyristor/Silicon Controlled Rectifier designed primarily for half?wave AC control applications, such as motor controls, heating controls and power supply crowbar circuits. It has small, rugged, Thermopad construction for low thermal resistance, high heat dissipation and durability.
- Glass passivated junctions with center gate fire for greater parameter uniformity and stability
- Blocking voltage to 800V
- 20W Forward peak gate power
- 0.5W Average gate power
- 2A Peak gate current
- 1.5°C/W Thermal resistance, junction-to-case
Applications
Motor Drive & Control, HVAC, Power Management
Product details
| Peak Repetitive Off-State Voltage, Vdrm | 800V |
| On State RMS Current IT(rms) | 25A |
| Operating Temperature Max | 125°C |
| No. of Pins | 3Pins |
| Gate Trigger Voltage Max Vgt | 1.5V |
| Thyristor Case Style | TO-220AB |
| Product Range | - |
| Holding Current Max Ih | 40mA |
| Gate Trigger Current Max, Igt | 40mA |
| Peak Non Rep Surge Current Itsm 50Hz | 250A |
| Current It av | 16A |
| MSL | - |
Other details
| Brand | LITTELFUSE |
| Part Number | 2N6509G |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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Exchange/Return Notes
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4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Highly recommend!
Color: Gray
Love this frother!!! Purchased to replace an Aerolatte that stopped working after a reasonable period of use. Right out of the box, it was charged and ready to go. I’ve been using it daily for about 5 weeks on the same charge it had on arrival and it’s still going strong. Love the variable speed and easy to work with one hand. And this baby can froth! It froths far better than our old Aerolatte. Also love the rechargeable feature so no more AA batteries wasted. This handy kitchen tool makes my morning coffee a true highlight. Highly recommend the Maestri milk frother!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Best Frother Ever!
Color: Black
Great little frother and very powerful after just one charge. I haven’t charged it since the first day and it is still going strong after 3 weeks. I use it daily for coffee froth, but have used it for mixing other things as well. It works great on mixing drink powders into water and for making salad dressing from scratch. It’s one of the best things I’ve purchased on Amazon for kitchen tools. My old frother ate through batteries and was 1/10th as powerful. This one really is amazing. Great quality heavy duty but still small machine. Extra attachment heads are also a bonus.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Very good frother that gets the job done extreamly well
Color: White
I hvae used this frother primarily for smoothies and coffees. Each time, it does a wonderful job.
Deducted a star for the location of the speed control which is ontop of the device. It's akward to use one handed while attempting to control the speed, athough it's advertised as making it easier. It's not!
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Reviewed in the United States on November 27, 2025
★★★★★ 5
Good quality
Color: Black
Have used the frother 5 days in a row. It comes already charged. Fingers crossed no issues when I eventually have to charge it.
I love everything about it. It’s worth a little bit of extra money as you can control the blending power from slow to fast. Easily held with both hands to coordinate. Today for a change I elected to just add a touch of bourbon caramel syrup to my oat milk -an excellent choice!
They give you two attachments which is helpful. I’m not hard on my kitchen appliances but it’s good to know I have an immediate back up if needed. I rinse frother attachment out immediately in a cup of warm water and air dry on a towel. At this point, I highly recommend.
My next adventure in the kitchen will be Matcha tea. I will use the bamboo whisk for the actual tea. If I decide to add oat milk to the top,(such as for a cold latte) I will use this frother.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Higher quality then I expect, very satisfied
Color: Gray
High quality overall, very high powered. It looks really fancy and elegant. The adjustable speed knob on the top is really great. The stand looks really nice but isn't the best design because it is easy to knock over when you take it out, that's my only issue with it.
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Reviewed in the United States on May 26, 2026