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Thyristors

Topdiode SCRs&Triacs Introduction

Thyristors includes silicon controlled rectifiers (SCRs) and triode for alternating current (Triacs). SCRs are unidirectional devices,can conduct current only in one direction, and it can be triggered normally only by a positive trigger current going into the gate as opposed to TRIACs. Low power applications include circuit breakers like GFCI (ground-fault circuit interrupter) and engine ignition circuits. High power applications include motor control, battery chargers, SMPS and UPS etc. Topdiode's SCRs have a current range from 1A~100A, voltage range from 200V~2000V and are available in a variety of industry standard, SMD and through-hole power packages.

TRIACs differ from SCRs in that they allow current flow in both directions. Topdiode offers the original four-quadrant triacs and the much improved three-quadrant triacs. Triacs are mainly used in home appliances, electrical (water) heaters, electric tools,lamp dimmers and motor control applications. Topdiodes triacs have a current range from 1A to 80A and voltages upto 2000V. They are available in a variety of industry standard, SMD and through-hole power packages.

Topdiode SCRs and Triacs

Topdiode provide cost effective SCRs and Triacs to replace Infineon, Onsemi, AOS, and ST IGBT.

Topdiode P/N# Package IT(RMS)
Max (A)
VDRM(V) VRRM(V) IGT Max
(mA)
Cross to brands cross to P/N Cross to package Sales
F0105-8U TO-92 1 800 800 05 NXP/WeEn MAC97A8 TO-92 Wendy 4-Quadrant TRIACs 1A 800V  F0105-8U
F0405-6D TO-252 4 600 600 05 ST T405Q-600B-TR DPAK Wendy 4-Quadrant TRIACs 4A 600V  F0405-6D
F0410-6D TO-252 4 600 600 10 Littelfuse L6004D8 TO-252 Wendy 4-Quadrant TRIACs 4A 600V  F0410-6D
F0810-8D TO-252 8 800 800 10 WeEn BT137S-800G SOT428 (DPAK) Wendy 4-Quadrant TRIACs 8A 800V F0810-8D
F1235-6A TO-220-3 12 600 600 35 ST BTA12-600CW TO-220-3 Lily 4-Quadrant TRIACs 12A 600V F1235-6A
T0210-8W SOT-223 2 800 800 10 WeEn BTA202W-800ET SOT223 Lily 3-Quadrant TRIACs 2A 800V  T0210-8W
T0405-8D TO-252 4 800 800 05 WeEn BTA204S-800B DPAK Lily 3-Quadrant TRIACs 4A 800V  T0405-8D
T0405-8W SOT-223 4 800 800 05 WeEn BTA204W-800C SOT223 Lily 3-Quadrant TRIACs 4A 800V T0405-8W
T0435-6F TO-220F 4 600 600 35 WeEn BTA204X-600C TO-220F Lily 3-Quadrant TRIACs 4A 600V T0435-6F
T0435-8B TO-220B 4 800 800 35 WeEn BTA204-600C TO-220AB Lily 3-Quadrant TRIACs 4A 800V T0435-8B
T0635-8A TO-220A 6 800 800 35 ST BTA06-800B TO-220AB Loie 3-Quadrant TRIACs 6A 800V T0635-8A
T0835-6A TO-220A 8 600 600 35 ST BTA08-600B TO-220AB Loie 3-Quadrant TRIACs 8A 600V T0835-6A
T1210-6A TO-220A 12 600 600 10 Littelfuse Q6012LH2 TO-220AB Loie 3-Quadrant TRIACs 12A 600V T1210-6A
T1235-8Z TO-263 12 800 800 35 WeEn BTA212B-800B SOT404 (D2PAK) Loie 3-Quadrant TRIACs 12A 800V T1235-8Z
T1605-6A TO-220A 16 600 600 05 ST T1605G-6I TO-220AB Anne 3-Quadrant TRIACs 16A 600V T1605-6A
T2535-6A TO-220A 25 600 600 35 ST BTA24-600BRG TO-220A Anne 3-Quadrant TRIACs 25A 600V T2535-6A
T2535-6B TO-220B 25 600 600 35 ST BTB24-600BRG TO-220B Anne 3-Quadrant TRIACs 25A 600V T2535-6B
T2535-6M TO-3P 25 600 600 35 ST BTA26-600B TOP3 Ins Anne 3-Quadrant TRIACs 25A 600V T2535-6M
T2535-8M TO-3P 25 800 800 35 ST BTA26-800BW TO-3P Anne 3-Quadrant TRIACs 25A 800V T2535-8M
T4135-16N TO-247 40 1600 1600 35 IXYS CMA80MT1600NHB TO-247 Anne 3-Quadrant TRIACs 40A 1600V T4135-16N
T4135-8M TO-3P 40 800 800 35 ST BTA40-800BW TO-3P Anne 3-Quadrant TRIACs 40A 800V T4135-8M
T4135-8M TO-3P 40 800 800 35 WeEn BTA41-600B IITO3P Anne 3-Quadrant TRIACs 40A 800V T4135-8M
Topdiode P/N# Package IT(RMS)
Max (A)
VDRM(V) VRRM(V) IGT Max
(mA)
Cross to brands cross to P/N Cross to package Sales
100-8U TO-92 1 900 900 0.12 WeEn BT169D-L,116 TO-92 Iris SCRs 1A 900V 100-8U
100-8W TO-223 1 900 900 0.12 Littelfuse S8X8TS TO-223 Iris SCRs 1A 900V 100-8W
CR03-6 TO-223 1.25 600 600 0.2 ST X0202MN TO-223 Iris SCRs 1.25A 600V CR03-6
S1215-6D TO-252 12 600 600 15 ST TN1215-600B-TR DPAK Iris SCRs 12A 600V S1215-6D
S1215-8B TO-220B 12 800 800 15 Littelfuse S8012RTP TO-220R Iris SCRs 12A 800V S1215-8B
S1615-8F TO-220C 16 800 800 15 On Semi 2N6405 TO-220AB Luna SCRs 16A 800V S1615-8F
S7560-12N TO-247 75 1200 1200 60 Vishay VS-50TPS12L-M3 TO-247AD Luna SCRs 75A 1200V S7560-12N
S7560-16N TO-247 75 1600 1600 60 WeEn TYN50W-1600T TO-247 Luna SCRs 75A 1600V S7560-16N
S5560-12N TO-247 55 1200 1200 60 Littelfuse/IXYS CLA30E1200HB TO-247 Luna SCRs 55A 1200V S5560-12N
S10060-12P TO-247Plus 100 1200 1200 60 ST TN6050-12WL TO-247LL Luna SCRs 100A 1200V S10060-12P
S10060-16P TO-247Plus 100 1600 1600 60 Vishay VS-70TPS16PbF Super TO-247 Luna SCRs 100A 1600V S10060-16P

Applications of Thyristors

Thyristors are used in various applications, particularly where high-power control is needed:

1. AC Power Control: Used in dimmers, motor speed controls, and light regulation.
2. Rectifiers: SCRs are commonly used in phase-controlled rectifiers for converting AC to DC.
3. Overvoltage Protection: Thyristors can be used in surge protection devices like gas discharge tubes and TVS diodes.
4. Switching in Power Supplies: Thyristors are used in power supplies and inverters for controlling large currents and voltages.
5. Industrial Motor Control: Used in adjustable-speed drives for controlling motor speed.
6. Pulse Circuits: Used in pulse circuits for generating timing signals and pulse-width modulation (PWM).

IGBT-applicantion
Benefits of Thyristors
  • Cost down 30-60%
  • Inverter washing machine
  • Lead time around 3 weeks
  • 100% guarantee quality
  • Replace brands
  • Topdiode produces TRIAC and SCR to replace tier 1 brands like ST, WeEn, Onsemi, Vishay etc.
  • What is a Thyristor?

    A thyristor is a type of semiconductor device that acts as a switch, controlling the flow of electrical current in a circuit. Thyristors are typically used for switching and controlling high voltage or current in applications where the power must be turned on or off. They are made of four layers of semiconductor material (P-N-P-N) and typically have three terminals: anode, cathode, and gate.

    Difference Between SCR & TRIAC

    SCR (Silicon Controlled Rectifier):

    1. Structure: An SCR is a type of thyristor that has a single direction of current flow. It has four layers (P-N-P-N) and three terminals: anode, cathode, and gate.
    2. Control: It is controlled by a gate signal. Once triggered, it remains in the "on" state (conducting) until the current flowing through it drops below a certain threshold (called the "holding current").

    TRIAC (Triode for Alternating Current):

    1. Structure: A TRIAC is similar to an SCR but can conduct current in both directions, making it suitable for AC applications. It has a similar structure but with an additional set of layers.
    2. Control: Like an SCR, a TRIAC is controlled by a gate signal, but it can conduct during both halves of an AC cycle, allowing bidirectional control.

    Reliable Quality
    Professorial supplier with 28+ long history serving international customer. Quality approved by famous EMS/OEM
    Alternative Solution
    Pin to Pin Replacement to Infineon, TI, AOS, On-Semi, Microchip.

    Cost-effective
    Cost-effective Semiconductors IC, help our partners cost down.

    Fast Delivery
    Fast delivery with normally 4 weeks of lead-time.

    Free Samples & Trial Order
    Free samples and trial order available for potential customers.

    Stock Available
    IGBT, MOSFET, IC stock available for certain parts.Automotive grade MOSFET, IGBT also available.
    Topdiode Group Factory

    Topdiode Group Factory

    Topdiode services are designed to meet the needs of customers seeking cost savings with faster project timelines, please contact info@topdiode.com for more information.

    Why Choosing Topdiode as Your Semiconductor IC Chip Supplier?

    Topdiode is a well-established semiconductor company with a rich history in the market. We have garnered strong recommendations from numerous international EMS/OEM customers, thanks to our exceptional reliability and outstanding performance.

    In the IC and Semiconductors market, many customers have faced significant challenges with lead times when dealing with certain US and Japanese IC brands. However, with China’s increasing investment in IC CHIPS, Topdiode is able to offer an extensive range of IGBTs, drive ICs, audio ICs at more competitive prices and shorter lead times.

    Topdiode services are designed to meet the needs of customers seeking cost savings with faster project timelines, please contact info@topdiode.com for more information.