0755-83211462
Product Center
Recommended products

VS-40HFL10S02
DIODE GEN PURP 100V 40A DO203AB
Brand:
Vishay General Semiconductor – Diodes Division
inventory:
0
Price: $7.0020
TAP475K050HSB
CAP TANT 4.7UF 10% 50V RADIAL
Brand:
KYOCERA AVX
inventory:
0
Price: $1.3590
RES500
POT 500 OHM 12.5W WIREWOUND LIN
Brand:
Ohmite
inventory:
0
Price: $67.4190
TPS2015P
IC PWR SWITCH N-CHANNEL 1:1 8DIP
Brand:
Texas Instruments
inventory:
0
Price: $3.3120
TSH340IDT
IC AMP BUFFER 8SO
Brand:
STMicroelectronics
inventory:
2343
Price: $2.3400
QK010N5TP
TRIAC 1KV 10A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $1.7910
AD2S99APZ
IC OSC SINUSOIDAL PROG 20-PLCC
Brand:
Linear Technology (Analog Devices, Inc.)
inventory:
232
Price: $33.6960
STLC3055QTR
IC INTERFACE SPECIALIZED 44TQFP
Brand:
STMicroelectronics
inventory:
0
Price: $5.8500
M74HCT374RM13TR
IC FF D-TYPE SNGL 8BIT 20SO
Brand:
STMicroelectronics
inventory:
0
Price: $2.4120
MGA-87563-TR1
IC AMP CELL 500MHZ-4GHZ SOT363
Brand:
Broadcom
inventory:
0
Price: $1.0350
BH2226FV-FE2
IC DAC 8BIT V-OUT 16SSOP
Brand:
ROHM Semiconductor
inventory:
9500
Price: $3.5100
076-14-21-011
SENSOR PHOTODIODE 660NM TO46
Brand:
Luna Optoelectronics (Advanced Photonix)
inventory:
0
Price: $28.2780
BTS7751GNUMA1
IC HALF BRIDGE DRIVER PDSO28
Brand:
IR (Infineon Technologies)
inventory:
0
Price: $2.4120
SWF-0.85-680
FIXED IND 680UH 850MA 1.25OHM TH
Brand:
Amgis
inventory:
0
Price: $3.4110
NJU7094R-TE1#
IC CMOS 2 CIRCUIT 8VSP
Brand:
RICOH/Nisshinbo Micro Devices
inventory:
0
Price: $1.3230
Q8006NH4TP
TRIAC ALTERNISTOR 800V 6A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $1.4220
VS-85HFL100S05
DIODE GEN PURP 1KV 85A DO203AB
Brand:
Vishay General Semiconductor – Diodes Division
inventory:
102
Price: $17.0190
QK006NH4TP
TRIAC ALTERNISTOR 1KV 6A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $1.5480
D225K100
ADJ PWR RES 100 OHM 225W CHAS MT
Brand:
Ohmite
inventory:
0
Price: $37.4220
VS-70HFLR40S02
DIODE GP REV 400V 70A DO203AB
Brand:
Vishay General Semiconductor – Diodes Division
inventory:
100
Price: $12.8340
DIODE GEN PURP 100V 40A DO203AB
inventory:
0
Price :$7.0020
CAP TANT 4.7UF 10% 50V RADIAL
Brand: 
KYOCERA AVX
inventory:
0
Price :$1.3590
POT 500 OHM 12.5W WIREWOUND LIN
Brand: 
Ohmite
inventory:
0
Price :$67.4190
IC PWR SWITCH N-CHANNEL 1:1 8DIP
inventory:
0
Price :$3.3120
IC AMP BUFFER 8SO
inventory:
2343
Price :$2.3400
TRIAC 1KV 10A TO263
inventory:
0
Price :$1.7910
IC OSC SINUSOIDAL PROG 20-PLCC
inventory:
232
Price :$33.6960
IC INTERFACE SPECIALIZED 44TQFP
inventory:
0
Price :$5.8500
IC FF D-TYPE SNGL 8BIT 20SO
inventory:
0
Price :$2.4120
IC AMP CELL 500MHZ-4GHZ SOT363
Brand: 
Broadcom
inventory:
0
Price :$1.0350
IC DAC 8BIT V-OUT 16SSOP
inventory:
9500
Price :$3.5100
SENSOR PHOTODIODE 660NM TO46
inventory:
0
Price :$28.2780
IC HALF BRIDGE DRIVER PDSO28
inventory:
0
Price :$2.4120
FIXED IND 680UH 850MA 1.25OHM TH
Brand: 
Amgis
inventory:
0
Price :$3.4110
IC CMOS 2 CIRCUIT 8VSP
inventory:
0
Price :$1.3230
TRIAC ALTERNISTOR 800V 6A TO263
inventory:
0
Price :$1.4220
DIODE GEN PURP 1KV 85A DO203AB
inventory:
102
Price :$17.0190
TRIAC ALTERNISTOR 1KV 6A TO263
inventory:
0
Price :$1.5480
ADJ PWR RES 100 OHM 225W CHAS MT
Brand: 
Ohmite
inventory:
0
Price :$37.4220
DIODE GP REV 400V 70A DO203AB
inventory:
100
Price :$12.8340
Core Functional Technology of DIACs and SIDACs 1. DIAC (Diode for Alternating Current) - **Functionality**: A DIAC is a two-terminal semiconductor device that exhibits a unique characteristic of conducting current only after a specific breakover voltage is reached. It is designed to operate in AC circuits, allowing it to switch on and off symmetrically in both directions. - **Operation**: The DIAC remains in a non-conducting state until the applied voltage exceeds its breakover voltage. Once triggered, it allows current to flow until the current drops below a certain holding current, at which point it turns off. This behavior is crucial for applications requiring precise control of AC power. - **Applications**: DIACs are widely used in: - **Phase control**: For dimming lights and controlling motor speeds. - **Triggering circuits**: To initiate the operation of TRIACs in various applications. 2. SIDAC (Silicon Diode for Alternating Current) - **Functionality**: Similar to a DIAC, a SIDAC is designed for higher power applications. It also features a breakover voltage and can conduct in both directions, making it suitable for AC applications. - **Operation**: The SIDAC remains off until the voltage exceeds its breakover threshold, at which point it conducts until the current falls below a specified level. This makes it effective for applications requiring robust performance under high voltage conditions. - **Applications**: SIDACs are commonly used in: - **Over-voltage protection**: To safeguard sensitive electronic components from voltage spikes. - **Triggering SCRs**: In applications such as light dimmers and motor controllers. Application Development Cases 1. Light Dimming Circuits - **Description**: DIACs are integral to light dimming circuits, allowing users to adjust the brightness of incandescent lamps. By controlling the phase angle of the AC waveform, the DIAC can be triggered at different points in the cycle. - **Effectiveness**: This results in smooth dimming without flickering, enhancing user comfort and energy efficiency. 2. Motor Speed Control - **Description**: In fan and small motor applications, DIACs work with TRIACs to modulate motor speed. By varying the phase angle, the average voltage supplied to the motor can be adjusted. - **Effectiveness**: This leads to energy savings, reduced noise, and improved operational efficiency, as motors can run at optimal speeds. 3. Over-Voltage Protection - **Description**: SIDACs are utilized in surge protection devices to clamp voltage spikes. When the voltage exceeds the SIDAC's breakover voltage, it conducts, diverting excess current away from sensitive components. - **Effectiveness**: This protects electronic devices from damage due to voltage transients, significantly enhancing their reliability and lifespan. 4. Triggering SCRs in Phase Control - **Description**: SIDACs can effectively trigger SCRs in applications like light dimmers and motor controllers. They provide a reliable means of turning on the SCR at a precise point in the AC cycle. - **Effectiveness**: This allows for accurate control of power delivery, improving the overall performance and efficiency of the system. 5. Snubber Circuits - **Description**: In power electronics, SIDACs are employed in snubber circuits to protect switches from voltage spikes caused by inductive loads. The SIDAC clamps the voltage, preventing damage to the switch. - **Effectiveness**: This enhances the durability of power electronic devices, reducing maintenance costs and downtime, and ensuring long-term reliability. ConclusionDIACs and SIDACs are pivotal components in modern electronic systems, providing effective solutions for power control and circuit protection. Their ability to handle AC signals and respond to voltage thresholds makes them invaluable across various applications, from lighting control to motor speed regulation and surge protection. As technology continues to evolve, the potential for new applications of these devices expands, solidifying their role in the future of electronics.
Our corporate culture

Company Purpose
Putting people first, being honest and pragmatic, innovating and enterprising, and giving back to society.
Business purpose
Reputation first, customer first, quality satisfaction, on-time delivery. We are willing to cooperate sincerely with you and develop hand in hand.
Service Purpose
Strictly control the quality process, ensure the delivery cycle of the contract, conduct quality tracking in a timely manner, and promptly handle quality objections.
Quality Purpose
Meet customer expectations and requirements for the physical quality of products with factory control standards that are superior to domestic and international standards.
Marketing strategy
Unique variety, excellent quality, moderate price, timely delivery, flexible strategy, and high-quality service.
Enterprise style
Economy emphasizes efficiency, management emphasizes systems, handling affairs emphasizes principles, and work emphasizes efficiency.
Hot news

center_onlineBox1
center_onlineBox2
Online consultation
If you have any questions or collaboration issues,
Please contact our sales/FAE/marketing team.

Online service

Service hours: Monday to Saturday 9:00-18:00
Service hours: Monday to Saturday 9:00-18:00
0755-83211462

Online service

Service hours: Monday to Saturday 9:00-18:00
Please select online customer service:

Online service

Service hours: Monday to Saturday 9:00-18:00
Please select online customer service:
点击这里给我发消息
0