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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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Love these
Size: 11.5 Wide, Color: White
For a plus size, tall woman that feet swell these sandals were perfect.They were not tight.They're very comfortable.The straps adjust perfectly and have a little bit of stretch in them.I was able to walk with them with no issue.They actually have great traction on the bottom.And surprisingly very durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Super comfortable and extremely flattering
Size: 9.5, Color: Black
Love! Love! Love!
Even though they are very flat sandals, the soul has just enough cushion to feel like you’re walking on a cloud. I also love the location of the straps. As someone with bunions, they cover them perfectly and make my feet look attractive while not being completely covered.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 3
Comfortable at first, but didn’t hold up long-term
Size: 8, Color: Tan
The size felt true and the feel was comfortable right out of the box. I liked the softness of the footbed, and the wearability was good for everyday errands and casual outings at first.
Unfortunately, after about six months of regular use, they started falling apart. While the versatility was nice and the thickness felt fine for warm weather, the overall durability just wasn’t there. They’re okay for short-term use, but I wouldn’t expect them to last long.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2025
★★★★★ 5
Great quality
Size: 10, Color: Tan
Great quality leather sandals I bought to replace a worn out pair. They are comfortable and not stiff. Hoping the rubber sole lasts a long time. They look nice with jeans, shorts or casual dresses.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Beautiful, well priced, and no discomfort!
Size: 6.5, Color: Taupe, Size: 6.5, Color: Taupe
My daughter wore these for her HS graduation ceremony. So beautiful, well priced, and she never complained about any pain or discomfort. The only downside was that she got an X tanned on her feet! 😆 So put sunscreen on your feet before wearing these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
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