0755-83211462
Product Center
Recommended products

STLC3055QTR
IC INTERFACE SPECIALIZED 44TQFP
Brand:
STMicroelectronics
inventory:
0
Price: $5.8500
GCIXP1250BC
IC MPU STRONGARM 232MHZ 520BGA
Brand:
Intel
inventory:
3
Price: $330.6420
SN74ALVCH16374DL
IC FF D-TYPE DUAL 8BIT 48SSOP
Brand:
Texas Instruments
inventory:
7843
Price: $1.8900
TAP226M035HSB
CAP TANT 22UF 20% 35V RADIAL
Brand:
KYOCERA AVX
inventory:
0
Price: $1.0440
Q8006NH4TP
TRIAC ALTERNISTOR 800V 6A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $1.4220
TMDS341PFCR
IC INTERFACE SPECIALIZED 80TQFP
Brand:
Texas Instruments
inventory:
0
Price: $2.6460
M74HCT374RM13TR
IC FF D-TYPE SNGL 8BIT 20SO
Brand:
STMicroelectronics
inventory:
0
Price: $2.4120
PEF 20571 F V3.1
IC TELECOM INTERFACE TQFP-100
Brand:
IR (Infineon Technologies)
inventory:
0
Price: $26.3700
M48T37V-10MH6F
IC RTC CLK/CALENDAR PAR 44SOH
Brand:
STMicroelectronics
inventory:
0
Price: $17.5140
W682310SG TR
IC VOICEBAND CODEC 3V 2CH 24SOP
Brand:
Nuvoton Technology Corporation
inventory:
0
Price: $2.5830
PDB-C615-2
SENSOR PHOTODIODE 950NM PVC WIRE
Brand:
Luna Optoelectronics (Advanced Photonix)
inventory:
0
Price: $56.3220
STA015$013TR
IC DECODER AUDIO MPEG2.5 28SOIC
Brand:
STMicroelectronics
inventory:
0
Price: $11.6640
Q6010N5RP
TRIAC 600V 10A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $1.5750
Q8016NH6RP
TRIAC ALTERNISTOR 800V 16A TO263
Brand:
Wickmann / Littelfuse
inventory:
0
Price: $2.1060
D25K100
ADJ PWR RES 100 OHM 25W CHAS MT
Brand:
Ohmite
inventory:
0
Price: $11.4570
076-14-21-011
SENSOR PHOTODIODE 660NM TO46
Brand:
Luna Optoelectronics (Advanced Photonix)
inventory:
0
Price: $28.2780
TAP156K035CRW
CAP TANT 15UF 10% 35V RADIAL
Brand:
KYOCERA AVX
inventory:
635
Price: $1.4040
AD8159ASVZ
IC MUX/DEMUX 4 X 2:1 100TQFP
Brand:
Linear Technology (Analog Devices, Inc.)
inventory:
28
Price: $30.8430
OHS3175U
MAGNETIC SWITCH LATCH TO92-3
Brand:
TT Electronics / Optek Technology
inventory:
868
Price: $3.4560
AD1896AYRSZRL
IC SAMPLE RATE CONVERTER 28SSOP
Brand:
Linear Technology (Analog Devices, Inc.)
inventory:
0
Price: $18.1170
IC INTERFACE SPECIALIZED 44TQFP
inventory:
0
Price :$5.8500
IC MPU STRONGARM 232MHZ 520BGA
Brand: 
Intel
inventory:
3
Price :$330.6420
IC FF D-TYPE DUAL 8BIT 48SSOP
inventory:
7843
Price :$1.8900
CAP TANT 22UF 20% 35V RADIAL
Brand: 
KYOCERA AVX
inventory:
0
Price :$1.0440
TRIAC ALTERNISTOR 800V 6A TO263
inventory:
0
Price :$1.4220
IC INTERFACE SPECIALIZED 80TQFP
inventory:
0
Price :$2.6460
IC FF D-TYPE SNGL 8BIT 20SO
inventory:
0
Price :$2.4120
IC TELECOM INTERFACE TQFP-100
inventory:
0
Price :$26.3700
IC RTC CLK/CALENDAR PAR 44SOH
inventory:
0
Price :$17.5140
IC VOICEBAND CODEC 3V 2CH 24SOP
inventory:
0
Price :$2.5830
SENSOR PHOTODIODE 950NM PVC WIRE
inventory:
0
Price :$56.3220
IC DECODER AUDIO MPEG2.5 28SOIC
inventory:
0
Price :$11.6640
TRIAC 600V 10A TO263
inventory:
0
Price :$1.5750
TRIAC ALTERNISTOR 800V 16A TO263
inventory:
0
Price :$2.1060
ADJ PWR RES 100 OHM 25W CHAS MT
Brand: 
Ohmite
inventory:
0
Price :$11.4570
SENSOR PHOTODIODE 660NM TO46
inventory:
0
Price :$28.2780
CAP TANT 15UF 10% 35V RADIAL
Brand: 
KYOCERA AVX
inventory:
635
Price :$1.4040
IC MUX/DEMUX 4 X 2:1 100TQFP
inventory:
28
Price :$30.8430
MAGNETIC SWITCH LATCH TO92-3
inventory:
868
Price :$3.4560
IC SAMPLE RATE CONVERTER 28SSOP
inventory:
0
Price :$18.1170
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