Capsule Type High Frequency Thyristor Ka500A 800V-1200V Model: Y38kac Voltage: 800V-1200V Outline Code Kt33CT
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Product Highlights
- High Frequency Performance: Applicable frequency range of 2.5kHz-20kHz with excellent dynamic characteristics.
- Fast Switching Capability: Fast turn-off semiconductor device with tq values from 5-30us for inverter circuits.
- Robust Cooling Design: Double cooling structure allows for series and parallel connections in high power applications.
- Wide Voltage Range: Available in models covering 600V to 1600V with current ratings up to 4000A.
- Versatile Applications: Ideal for induction heating, inverter welders, furnace power supplies, and metal smelting.
- Customization Options: Customizable case, chip, package, cooling, frequency, and type based on sample requirements.
- Certified Quality: Products hold CCC and CE certifications ensuring compliance with international standards.
- Fast Delivery: Standard delivery time is 3 days, with peak and off-season lead times within 15 workdays.
Product Attributes
- Customization
- Available
- Application
- Induction Furnace Heating
- Batch Number
- 2020+
- Model NO.
- Y38KAC
- Certification
- CCC, CE
- Manufacturing Technology
- Discrete Device
- Material
- Element Semiconductor
- Model
- Ka Series
- Package
- Presspacks
- Signal Processing
- Grate Trigger Control
- Type
- P-Type Semiconductor
- Thyristor Case
- Ceramic Case
- Thyristor Chip
- Silicon Chip
- Thyristor Package
- Cold Pressing
- Cooling
- Double Cooled
- Frequency
- 2.5kHz-20kHz
- Thyristor Type
- Disc/Capsule
- Payment
- Tt or Paypal, Western Union, Selective
- Delivery Time
- 3 Days
- Connection
- Series Parallel Connection
- Structure
- Field Gate Structure
- Process
- Vacuum Closed Tube Gallium Alum
- Thyristor Application
- Inverter Welder Chopper Inductor Conv
- Price Term
- Fob, CFR, EXW
- Shipment Port
- Tianjin
- Brand
- Sailton/Sti
- Transport Package
- Carton Box
- Specification
- 490*330*200 packing size
- Trademark
- SAILTON/STI
- Origin
- China
- HS Code
- 8541300000
- Production Capacity
- 150000 PCS/Year
- Package Size
- 34.00cm * 34.00cm * 20.00cm
- Package Gross Weight
- 15.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
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- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Capsule Type High Frequency Thyristor Ka500A 800V-1200V Model: Y38kac Voltage: 800V-1200V Outline Code Kt33CT
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Product Description
Note: The listed price is for display only and does not represent the final transaction price of the product. For the exact price, please consult the relevant business personnel for quotation.
Capsule Type High Frequency Thyristor KA500A 800V-1200V model: Y38KAC Voltage :800V-1200V outline code KT33CT

High Frequency Thyristor
KA SCR
The vacuum closed tube is used for the whole process of aluminum diffusion.
The gate electrode structure is introduced.
Excellent dynamic characteristics, applicable frequency: 2.5khz-20khz.
Cold pressure package of flat ceramic tube shell.
Doul cooling allows series and parallel connection.
Minimum working temperature: Tjmin=-40.
7.Notes:1.Tj = 125ºC
2.tq@200Vµs
3.IT(AV)@Th = 55ºC
Fast Switching Thyristor is a fast turn off semiconductor device,also called "Inverter Thyristor","Fast Thyristor".Fast switching thyristor is a very importment thyristor component on furnace power supply.
We supply various shapes of fast switching thyristor which is also called fast thyristor.It is a fast turn off thyristor.Our fast thyristor include standard fast switching thyristor and medium frequency fast thyristor.It's current range from 500A to 4000A, voltage range from 1000V to 4500V.Tq value have 10-25us,30-50us and 50-70us.With excellent fast turn on-off performance,our fast thyristors are hot used on inverter circuit.For example induction heating,thyristor frequency converter,furnace power supply,inverter device etc.
Along with application of high frequency & medium frequency equipment,fast thyristors require lower tq values.We continuously optimize tq values of fast switching thyristor to meet client's requirements.
Disc type Fast Switching Thyristors are popular used on metal smelting areas,Induction heating furnace,smelting furnace,ARC furnace,Vacuum furnace,thyristor frequency converter.
Detailed Datasheet for Selection
| Part No. | IT(AV) | VDRM VRRM |
ITSM 50HZ |
VTM | ITM | VGT | IGT | tq | Rthjc | Outline |
| (A) | (V) | (KA) | (V) | (A) | (V) | (mA) | (µs) | (ºC/W) | ||
| KA200/1200 | 200 | 1200 | 3.8 | 2.4 | 600 | 3/200 | 8~15 | 0.08 | T6 | |
| KA300/1200 | 300 | 5.7 | 2.4 | 900 | 0.04 | T7 | ||||
| KA500/1200 | 500 | 9 | 2.4 | 1500 | 0.031 | T9 | ||||
| KA800/1200 | 800 | 15 | 2.4 | 2000 | 3/250 | 0.026 | T10 | |||
| KA1000/1200 | 1000 | 19 | 2.4 | 3000 | 3.5/300 | 0.021 | T11 | |||
| Notes: 1,Tj = 125ºC 2,tq@200Vµs 3,IT(AV)@Th = 55ºC |
||||||||||
| Model | IT(AV) | VDRM VRRM | ITSM | VTM | VTO | rT | tq | RthJC | RthCH | TJM | F±10% | ||
| TC=55ºC | 10ms | @ITM &TC=25ºC | TJM | ||||||||||
| A | V | KA | V | A | V | mΩ | μs | K/W | K/W | ºC | KN | ||
| 600V(UP to 600V) | |||||||||||||
| KA510-6 | 510 | 400-600 | 6.5 | 2.10 | 600 | 1.15 | 0.38 | 5-10 | 0.080 | 0.020 | 125 | 5 | Outline |
| KA940-6 | 940 | 400-600 | 12.0 | 2.10 | 1000 | 1.20 | 0.28 | 5-15 | 0.030 | 0.008 | 125 | 15 | Outline |
| 800V(UP to 800V) | |||||||||||||
| KA360-8 | 360 | 600-800 | 4.7 | 2.16 | 600 | 1.40 | 0.67 | 5-10 | 0.080 | 0.020 | 125 | 5 | Outline |
| KA840-8 | 840 | 600-800 | 8.0 | 2.21 | 1000 | 1.42 | 0.42 | 5-15 | 0.030 | 0.008 | 125 | 15 | Outline |
| KA1210-8 | 1210 | 600-800 | 11.8 | 2.32 | 1500 | 1.44 | 0.33 | 5-15 | 0.024 | 0.006 | 125 | 20 | Outline |
| KA1590-8 | 1590 | 600-800 | 16.5 | 2.59 | 3000 | 1.14 | 0.25 | 5-15 | 0.020 | 0.005 | 125 | 24 | Outline |
| KA1960-8 | 1960 | 600-800 | 21.0 | 2.34 | 3000 | 1.35 | 0.20 | 10-20 | 0.018 | 0.005 | 125 | 30 | Outline |
| 1200V(UP to 1200V) | |||||||||||||
| KA330-12 | 330 | 800-1200 | 3.2 | 2.49 | 600 | 1.55 | 0.87 | 5-10 | 0.080 | 0.020 | 125 | 5 | Outline |
| KA580-12 | 580 | 800-1200 | 6.5 | 2.75 | 1000 | 1.50 | 0.79 | 5-15 | 0.045 | 0.014 | 125 | 7 | Outline |
| KA790-12 | 790 | 800-1200 | 8.1 | 2.88 | 1500 | 1.53 | 0.58 | 5-15 | 0.030 | 0.008 | 125 | 15 | Outline |
| KA1110-12 | 1110 | 800-1200 | 11.0 | 2.77 | 2000 | 1.49 | 0.41 | 5-15 | 0.024 | 0.006 | 125 | 20 | Outline |
| KA1430-12 | 1430 | 800-1200 | 15.0 | 2.85 | 3000 | 1.48 | 0.32 | 10-20 | 0.020 | 0.005 | 125 | 24 | Outline |
| KA1730-12 | 1730 | 800-1200 | 17.0 | 2.54 | 3000 | 1.43 | 0.23 | 10-20 | 0.018 | 0.005 | 125 | 30 | Outline |
| 1400V(UP to 1400V) | |||||||||||||
| KA480-14 | 480 | 1000-1400 | 5.8 | 3.20 | 800 | 1.67 | 1.32 | 5-15 | 0.045 | 0.014 | 125 | 7 | Outline |
| KA750-14 | 750 | 1000-1400 | 9.3 | 3.35 | 1500 | 1.65 | 0.78 | 5-15 | 0.030 | 0.008 | 125 | 15 | Outline |
| KA1050-14 | 1050 | 1000-1400 | 12.0 | 2.92 | 2000 | 1.56 | 0.45 | 5-15 | 0.024 | 0.006 | 125 | 20 | Outline |
| KA1260-14 | 1260 | 1000-1400 | 16.3 | 2.89 | 2000 | 1.60 | 0.36 | 10-20 | 0.020 | 0.005 | 125 | 24 | Outline |
| KA1520-14 | 1520 | 1000-1400 | 18.0 | 2.75 | 3000 | 1.58 | 0.25 | 10-20 | 0.018 | 0.005 | 125 | 30 | Outline |
| KA2010-14 | 2010 | 1000-1400 | 21.5 | 2.53 | 3000 | 1.56 | 0.20 | 10-20 | 0.016 | 0.004 | 125 | 35 | Outline |
| KA3270-14 | 3270 | 1000-1400 | 37.0 | 2.51 | 4000 | 1.60 | 0.12 | 10-25 | 0.010 | 0.003 | 125 | 56 | Outline |
| VDRM VRRM |
IT(AV) | ITf/f | tq | ITSM | dv/dt | di/dt | VTM/ITM | VTO | rT | Rth(j-c) | Rth(c-hs) | Tjm | ||||
| TC55°C | TC55°C | 125°C | 10ms | 125°C | 25°C | 125°C | ||||||||||
| V | A | A/KHz | μs | KA | V/μs | A/μs | V/A | V | mΩ | °C/W | °C/W | °C | kN | |||
| Y38KAB | 600-900 | 600 | 750 | 500/12 | 5-7 | 8 | 200 | 1500 | 3.2/1200 | 1.80 | 0.48 | 0.035 | 0.008 | 125 | 10-20 | outline |
| Y45KAB | 600-900 | 800 | 1210 | 700/10 | 6-15 | 9.6 | 200 | 1500 | 3.2/2400 | 1.44 | 0.33 | 0.024 | 0.006 | 125 | 18-25 | outline |
| Y30KAC | 800-1200 | 200 | 580 | 200/10 | 10-20 | 5.4 | 200 | 1500 | 3.2/600 | 1.45 | 0.85 | 0.045 | 0.010 | 125 | 5.3-10 | outline |
| Y38KAC | 800-1200 | 600 | 700 | 400/10 | 10-20 | 8.9 | 200 | 1500 | 3.2/1200 | 1.68 | 0.67 | 0.035 | 0.008 | 125 | 10-20 | outline |
| Y45KAC | 800-1200 | 800 | 1110 | 500/10 | 10-20 | 11 | 200 | 1500 | 3.2/2400 | 1.41 | 0.45 | 0.024 | 0.006 | 125 | 18-25 | outline |
| Y50KAC | 800-1200 | 1000 | 1430 | 600/10 | 10-20 | 15 | 200 | 1500 | 3.2/3000 | 1.32 | 0.32 | 0.020 | 0.005 | 125 | 19-26 | outline |
| Y55KAC | 800-1200 | 1200 | 1730 | 800/8 | 10-20 | 17 | 200 | 1500 | 3.2/3000 | 1.27 | 0.23 | 0.018 | 0.004 | 125 | 21-30 | outline |
| Y30KAD | 1100-1400 | 200 | 480 | 200/6 | 12-24 | 5.8 | 200 | 1500 | 3.2/600 | 1.67 | 1.32 | 0.045 | 0.010 | 125 | 5.3-10 | outline |
| Y38KAD | 1100-1400 | 500 | 670 | 500/6 | 12-24 | 9.3 | 200 | 1500 | 3.2/900 | 1.50 | 0.88 | 0.035 | 0.008 | 125 | 10-20 | outline |
| Y45KAD | 1100-1400 | 600 | 1050 | 600/6 | 12-28 | 12 | 200 | 1500 | 3.2/1800 | 1.61 | 0.45 | 0.024 | 0.006 | 125 | 18-25 | outline |
| Y50KAD | 1100-1400 | 800 | 1260 | 800/6 | 15-28 | 16.3 | 200 | 1500 | 3.2/2400 | 1.65 | 0.36 | 0.020 | 0.005 | 125 | 19-26 | outline |
| Y55KAD | 1100-1400 | 1000 | 1520 | 1000/6 | 15-28 | 18 | 200 | 1500 | 3.2/3000 | 1.63 | 0.25 | 0.018 | 0.004 | 125 | 21-30 | outline |
| Y40KKD | 1200-1600 | 500 | 900 | 500/4 | 18-36 | 10 | 200 | 1500 | 3.2/1500 | 1.70 | 0.48 | 0.028 | 0.0075 | 125 | 15-20 | outline |
| Y45KKD | 1200-1600 | 600 | 1010 | 600/4 | 18-36 | 11 | 200 | 1500 | 3.2/1800 | 1.70 | 0.48 | 0.024 | 0.006 | 125 | 18-25 | outline |
| : | 1.fm,fm; 2.di/dt |
Outline size:
Company Certificate

Factory environment display:

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR236641". Items marked "" are certified.
Company Profile
SAILING COMMERCIAL (TIANJIN) Co., Ltd. Are one professional manufacturer agent and trading company. We are specialized in producing power semiconductors, resistance welding machine spare parts and providing industry furnace with parts and so on. Meantime we are striving to provide personalized solutions and perfect service for our clients. To achieving the common development of customer value and ours. In the industry of electrical control (high voltage switchgear cabinet, Static Var Compensator) we also concerned.
We are one leading power supplier of semiconductor devices and related products in China. Our history can be traced back to years ago. During the history, we have good relationship with some famous international and local companies. Now we are sailing again! We focus on teamwork, staff development, investing in research and quality control. Offering the best products and services to our customers are our ultimate goal all the time.
Younger team, responsible attitude, professional skill, passion work, strict quality control process and high standard service, which are promoting SAILING GROUP development fast. We got highly appreciated from more than 20 countries' clients with our own brand STI™ And SAILTON® , and OEM, customer-sized high quality products and services.
Our vision is to be the market leader and first rank exporter in the semiconductor devices industry. We will achieve this through hard work, determination and dedication.
About Our Factory & Business Background
- Address
- 411, Xingpin Building, Linke East Road, Hedong Dist, Tianjin, China
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 5
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Thyristor, Water Cooling Power Cable, Welding Diode, Semiconductor Device, High Voltage Control Cabinet
-
Customization Options
- Customization from Samples
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-11-15
-
Export Year
- 6 years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Overseas Agent/Branch
- No
FAQ
- What is the applicable frequency range for this thyristor?
- The applicable frequency range is 2.5kHz-20kHz, offering excellent dynamic characteristics.
- What are the main applications for this Fast Switching Thyristor?
- It is widely used in induction heating, inverter welders, choppers, inductors, converters, furnace power supplies, and metal smelting areas.
- Is customization available for this product?
- Yes, customization options are available including Thyristor Case, Chip, Package, Cooling, Frequency, Type, and more based on samples.
- What is the minimum order quantity (MOQ)?
- The Minimum Order Quantity is 5 units.
- What are the payment terms accepted?
- We accept LC, T/T, PayPal, Western Union, and other selective payment methods.
- What is the typical delivery time?
- The standard delivery time is 3 days. Peak and off-season lead times are within 15 workdays.
- What certifications do these thyristors hold?
- The products are certified with CCC and CE marks.
- What is the voltage and current range available?
- Voltage ranges from 600V to 1600V, and current (IT(AV)) ranges from 200A to 4000A depending on the model.
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