Thyristor and Diodes Modules

We Provide High Quality Thyristor / Module / Diodes

About Us

TECH Semiconductors Co., Ltd. (TECHSEM), a specialized manufacturer in developing, producing and selling power semiconductor devices, is reestablished from Hubei Xiangfan Instrument Component Factory.

The products of XIANFENGTM and TECHSEMTM, which are famous for various kinds, high quality, good service reputation, are sold well in domestic market and have been exported to Europe, U.S, Korea, Japan, India, Taiwan, Southeast Asia and other countries and regions. With hills surrounding and fine scenery, the company is located in the famous Xiangfan city which is an ideal site for producing power semiconductor devices. With more than 40 years experiences of semiconductor devices manufacturing, TECHSEM has two purification buildings of over 8000m2, in which 1000m2 of 100 class cleaning room. Over 550 staffs work in the company, of which 76 are specialized engineers (32 senior engineers, 6 engineering masters). TECHSEM has great advantages in technology and production capability.

TECHSEM has a perfect and effective market net covering throughout China with nearly 200 distributors and 60 sole agents. In recent years, production capability of thyristors and modules stays on the first place and sales income stays in the first three places in domestic market. TECHSEM is pushing on the target of to be the leading competitive supplier for power semiconductors. TECHSEM sincerely hopes to establish concrete and honest business relationship with friends to mutually benefit and reach a bright future.

Phase Control Thyristors

FeaturesTypical Applications
  1. Amplifying gates
  2. International standard cases
  3. Hermetic metal cases with ceramic insulators
  4. Capsule packages for double sided cooling
  1. High power industrial and power transmission
  2. DC and AC motor control
  3. Controlled rectifiers
  4. Soft starters for induction motors
  5. AC controllers
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y100KPH1900-300047551Request
Y24KPA200-6004771Request
Y24KPC800-12004161Request
Y24KPE1400-16003401Request
Y30KPA200-6009451Request
Y30KPC800-12006681Request
Y30KPE1200-16007271Request
Y38KPC800-120011291Request
Y38KPE1200-160012241Request
Y38KPH1900-30008971Request
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Fast Turn-Off Thyristors

FeaturesTypical Applications
  1. Interdigitated amplifying gates
  2. Fast turn-on and high di/dt
  3. Low switching losses
  4. Short turn-off time
  5. Hermetic metal cases with ceramic insulators
  1. Inductive heating
  2. Electronic welders
  3. Self-commutated inverters
  4. AC motor speed control
  5. General power switching applications
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y100KKG1900-300047711Request
Y30KKE800-18004491Request
Y38KKE800-18008061Request
Y40KKE800-18008201Request
Y45KKE800-18008591Request
Y50KKE800-180011911Request
Y60KKE800-180014561Request
Y65KKE800-180017201Request
Y70KKE800-180019211Request
Y70KKG1900-250017801Request
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High Frequency Thyristors

FeaturesTypical Applications
  1. Interdigitated amplifying gates
  2. Fast turn-on and high di/dt
  3. Low switching losses
  4. Short turn-off time
  5. Hermetic metal cases with ceramic insulators
  1. Inductive heating
  2. Electronic welders
  3. Self-commutated inverters
  4. AC motor speed control
  5. General power switching applications
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y30KAC800-12004661Request
Y30KAD800-14004201Request
Y38KAB600-10008371Request
Y38KAC800-12007411Request
Y45KAC800-12009491Request
Y45KAD800-14008971Request
Y50KAC800-120012611Request
Y50KAD800-140011081Request
Y55KAC800-120015011Request
Y55KAD800-140013071Request
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BI-directional Control Thyristors

FeaturesTypical Applications
  1. International standard cases
  2. Hermetic metal cases with ceramic insulators
  3. Capsule packages for double sided cooling
  1. High power industrial and power transmission
  2. DC and AC motor control
  3. AC controllers
  4. Soft starters for induction motors
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y30KSE500-18006401Request
Y35KSE500-180010801Request
Y40KSE500-180012201Request
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Rectifier Dioes

FeaturesTypical Applications
  1. Low forward voltage drop
  2. Reverse voltage up to 3800 V
  3. Capsule type metal-ceramic packages for double sided cooling
  1. All purpose high power rectifier diodes
  2. High power resistance welding equipment
  3. Non-controllable and half-controllable rectifiers
  4. Snubber diodes
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y100ZPE3000-500071351Request
Y24ZPB200-12007501Request
Y24ZPC1200-20005761Request
Y30ZPB200-120011101Request
Y38ZPB200-120019771Request
Y38ZPC1200-200016621Request
Y50ZPA200-60071101Request
Y50ZPB200-120030601Request
Y50ZPC1200-200024551Request
Y50ZPE2600-360021121Request
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Fast Recovery Diodes

FeaturesTypical Applications
  1. Small recovered charge
  2. Soft recovery
  3. Up to 3000V reverse voltage
  4. Capsule type metal-ceramic packages for double sided cooling
  1. Inverse diodes for power transistors, GTO thyristor
  2. AC motor control
  3. Snubber diodes and free-wheeling diodes
  4. UPS
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
Y24ZKB200-12005351Request
Y24ZKC1200-20005311Request
Y30ZKB400-10008831Request
Y30ZKC1200-20007371Request
Y38ZKB200-120013891Request
Y38ZKC1200-200012681Request
Y38ZKE2000-300011951Request
Y50ZKB200-100022451Request
Y50ZKC1200-200020171Request
Y76ZKC1100-200039231Request
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Isolated Capsule Power Module

The modules can comprise one or two capsule type deviceson a common isolated base-plate, user only requires four fixing screws for mounting to a suitable heatsink.
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
MP25A-200400-18002001Request
MP25A-250400-18002501Request
MP25B-200400-18002001Request
MP25B-250400-18002501Request
MP33A-400400-18004001Request
MP33B-400400-18004001Request
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Thyristor Modules

FeaturesTypical Application
  1. Isolated mounting base, 2500V ~
  2. International standard package
  3. Pressure contact technology with increased power cycling capability
  4. Air-cooling for up to 350A. for over 400A, air-cooling or water-cooling
  5. Simple mounting and easy maintenance
  6. Space and weight saving
  1. AC/DC Motor drives
  2. Various rectifiers
  3. Heater controls
  4. Lighting controls
  5. Contactless switches
  6. Soft start AC motor control
  7. (TSC) SVC
  8. Welding power supply
  9. DC supply for PWM inverter
  10. Battery DC chargers or dischargers
  11. UPS
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
MTx100200-6001001Request
MTx100800-18001001Request
MTx1000600-180010001Request
MTx1000W600-180010001Request
MTx110600-18001101Request
MTx110H1900-30001101Request
MTx1200600-180012001Request
MTx130200-6001301Request
MTx135600-18001351Request
MTx135H1900-30001351Request
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Diode Modules

FeaturesTypical Application
  1. Isolated mounting base, 2500V ~
  2. International standard package
  3. Pressure contact technology with increased power cycling capability
  4. Air-cooling for up to 400A. for over 500A, air-cooling or water-cooling
  5. Simple mounting and easy maintenance
  6. Space and weight saving
  1. AC/DC Motor drives
  2. Various rectifiers
  3. Soft start AC motor control
  4. Welding power supply
  5. DC supply for PWM inverter
  6. Battery DC chargers or dischargers
  7. Supplies for DC power equipment
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Part Number
Voltage [V]
Current [A]
Datasheet
MOQ
Offer
MDx100200-6001001Request
MDx100800-18001001Request
MDx1000600-180010001Request
MDx1000W600-180010001Request
MDx110600-18001101Request
MDx110H1900-30001101Request
MDx1200600-180012001Request
MDx130200-6001301Request
MDx135600-18001351Request
MDx135H1900-30001351Request
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Documentation and Support

Use our online request for specific proposed solutions or send your technical question directly to a product specialist at request:
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File Name
File Size (MB)
Document
MOQ
Support
MD100.pdf0.061Request
MD110.pdf0.091Request
MD110H.pdf0.091Request
MD1200.pdf0.071Request
MD130.pdf0.061Request
MD135.pdf0.091Request
MD135H.pdf0.081Request
MD150.pdf0.061Request
MD160H.pdf0.081Request
MD182.pdf0.081Request
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