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WSC series Snubber Capacitor for IGBT for PCB Manufacturers

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WSC series Snubber Capacitor for IGBT for PCB WSC series Snubber Capacitor for IGBT for PCB
  • WSC series Snubber Capacitor for IGBT for PCB
  • WSC series Snubber Capacitor for IGBT for PCB

WSC series Snubber Capacitor for IGBT for PCB

Features:
Polypropylene film dielectric,special electrode construction
Smaller loss at high frequency and low temperature rise
Flame-resistant plastic case and resin sealing (UL94V-0)
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Typical Applications:
Widely used for snubbering peak voltage or current in power electronic equipment, especially used as snubber capacitor for IGBT, etc.

Specifications

Reference Standard

GB/T 17702(IEC 61071)

Operating temperature

-40~+105℃(+85℃ to+105℃:decreasing factor 1.35%per ℃ for Un,85℃)

Rated Temperature

85℃

UN Normal Voltage

630~3000Vdc

Capacitance Tolerance

±5%(J),±10%(K)

Voltage Proof

1.5UN(10s)
tanδ Dissipation Factor

5×10-4(20℃,1kHz)
 RIns Insulation Resistance

≥15000MΩ,CN≤0.33μF

(20℃,100Vdc,1 min)

R×CN≥5000s,C>0.33μF
 tEL Expected Lifetime
100,000h@UN, Θhs=70℃

Flame Retardation

UL 94V-0

Dimensions(mm)

CN
(uF)		 W±1.0
(mm)		 H±1.0
(mm)		 T±1.0
(mm)		 P±0.5
(mm)		 b±0.5
(mm)		 d±0.05 (mm) LS
(n		 dV/dt (V/μs) lp
(A)		 RESR
@10kHz
(mΩ)		 lmax
100kHz  70℃
(A)
UN:630Vdc/700Vdc Ur:420Vac 0.68 37 25 15 32.5 1.2 23 900 612 6 6
1 37 30 16 32.5 1.2 23 900 900 6 9
1.2 37 30 16 32.5 1.2 23 900 1080 5.5 11
1.5 37 34 20 32.5 1.2 23 900 1350 5.5 14
1.8 37 34 20 32.5 1.2 23 900 1620 5.5 14
2 42 40 20 37.5 1.2 29 600 1200 5 14
2.2 42 40 20 37.5 1.2 29 600 1320 5 14
2.5 42 40 20 37.5 1.2 29 600 1500 5 14
3 42 44 24 37.5 1.2 29 600 1800 5 14
3 42 44 24 37.5 10.2 1.2 29 600 1800 4 20
3.3 42 44 24 37.5 1.2 29 600 1980 4.5 14
3.3 42 44 24 37.5 10.2 1.2 29 600 1980 3.5 20
4 42 44 24 37.5 1.2 29 600 2400 4.5 14
4 42 44 24 37.5 10.2 1.2 29 600 2400 3.5 21
4.7 42 45 30 37.5 20.3 1.2 29 600 2820 3.5 23
5 42 45 30 37.5 20.3 1.2 29 600 3000 3 23.5
6 42 50 35 37.5 20.3 1.2 29 600 3600 3 25
6.5 42 55 40 37.5 20.3 1.2 29 600 3900 3 26
6.5 57.5 45 30 52.5 20.3 1.2 33 360 2340 2.5 24
7 57.5 45 30 52.5 20.3 1.2 33 360 2520 2.5 25
8 57.5 50 35 52.5 20.3 1.2 33 360 2880 2.5 27
9 57.5 50 35 52.5 20.3 1.2 33 360 3240 2.5 28
UN:850Vdc      Ur:450Vac 0.47 37 25 15 32.5 1.2 23 1200 564 6 6
0.68 37 30 16 32.5 1.2 23 1200 816 6 9
1 37 34 20 32.5 1.2 23 1200 1200 6 11
1.2 37 34 20 32.5 1.2 23 1200 1440 6 13
1.5 37 34 20 32.5 1.2 23 1200 1800 6 14
1.5 42 40 20 37.5 1.2 29 750 1125 5.5 14
2 42 40 20 37.5 1.2 29 750 1500 5.5 14
2.2 42 40 20 37.5 1.2 29 750 1650 5.5 14
2.5 42 44 24 37.5 1.2 29 750 1875 5.5 14
2.5 42 44 24 37.5 10.2 1.2 29 750 1875 4.5 20
3 42 44 24 37.5 1.2 29 750 2250 5.5 14
3 42 44 24 37.5 10.2 1.2 29 750 2250 4.5 21
3.3 42 45 30 37.5 20.3 1.2 29 750 2475 4.5 21.5
4 42 55 40 37.5 20.3 1.2 29 750 3000 4.5 22
4 57.5 45 30 52.5 20.3 1.2 33 450 1800 4 23
4.7 57.5 45 30 52.5 20.3 1.2 33 450 2115 4 24.5
5 57.5 45 30 52.5 20.3 1.2 33 450 2250 4 25
6 57.5 50 35 52.5 20.3 1.2 33 450 2700 4 26
6.5 57.5 50 35 52.5 20.3 1.2 33 450 2925 4 27
UN:1000Vdc      Ur:500Vac 0.47 37 25 15 32.5 1.2 23 1300 611 6 6
0.68 37 30 16 32.5 1.2 23 1300 884 6 7
0.82 37 30 16 32.5 1.2 23 1300 1066 6 9
1 37 34 20 32.5 1.2 23 1300 1300 5.5 12
1.2 37 34 20 32.5 1.2 23 1300 1560 5.5 14
1.2 42 40 20 37.5 1.2 29 850 1020 5.5 14
1.5 42 40 20 37.5 1.2 29 850 1275 5.5 14
2 42 44 24 37.5 1.2 29 850 1700 5.5 14
2 42 44 24 37.5 10.2 1.2 29 850 1700 4.5 17
2.2 42 44 24 37.5 1.2 29 850 1870 5 14
2.2 42 44 24 37.5 10.2 1.2 29 850 1870 4 20
2.5 42 45 30 37.5 20.3 1.2 29 850 2125 4 21
3 42 45 30 37.5 20.3 1.2 29 850 2550 4 21.5
3.3 42 55 40 37.5 20.3 1.2 33 850 2805 4 22
3.3 57.5 450 30 52.5 20.3 1.2 33 500 1650 4 20
4 57.5 45 30 52.5 20.3 1.2 33 500 2000 4 21
4.7 57.5 50 35 52.5 20.3 1.2 33 500 2350 4 22
5 57.5 45 30 52.5 20.3 1.2 33 500 2500 4 23
UN:1200Vdc      Ur:600Vac 0.33 37 25 15 32.5 1.2 23 1500 495 6.5 6
0.47 37 30 16 32.5 1.2 23 1500 705 6.5 8
0.68 37 34 20 32.5 1.2 23 1500 1020 6.5 9
0.75 37 34 20 32.5 1.2 23 1500 1125 6.5 10
0.82 42 40 20 37.5 1.2 29 950 779 6 11
1 42 40 20 37.5 1.2 29 950 950 6 13
1.2 42 44 24 37.5 1.2 29 950 1140 5.5 14
1.2 42 44 24 37.5 10.2 1.2 29 950 1140 4.5 17
1.5 42 44 24 37.5 1.2 29 950 1425 5.5 14
1.5 42 44 24 37.5 10.2 1.2 29 950 1425 4.5 17.5
2 42 45 30 37.5 20.3 1.2 29 950 1900 4.5 18
2.2 42 50 35 37.5 20.3 1.2 29 950 2090 4.5 19
2.5 42 55 40 37.5 20.3 1.2 29 950 2375 4.5 20
57.5 45 30 52.5 20.3 1.2 33 600 1320 4 18
2.5 57.5 45 30 52.5 20.3 1.2 33 600 1500 4 19
3 57.5 50 35 52.5 20.3 1.2 33 600 1800 4 20
3.3 57.5 50 35 52.5 20.3 1.2 33 600 1980 4 21
3.5 57.5 50 35 52.5 20.3 1.2 33 600 2100 4 22
UN:1600Vdc      Ur:650Vac 0.22 37 25 15 32.5 1.2 23 1900 418 7.5 6
0.33 37 30 16 32.5 1.2 23 1900 627 7.5 7.5
0.39 37 33 18 32.5 1.2 23 1900 741 7 9
0.47 37 34 20 32.5 1.2 23 1900 893 7 11
0.68 42 40 20 37.5 1.2 29 1250 850 4 14
0.82 42 44 24 37.5 1.2 29 1250 1025 4 14
0.82 42 44 24 37.5 10.2 1.2 29 1250 1025 4 17
1 42 45 30 37.5 20.3 1.2 29 1250 1250 4 17.5
1.2 42 50 35 37.5 20.3 1.2 29 1250 1500 4 18
1.5 42 55 40 37.5 20.3 1.2 29 1250 1875 4 19
1.5 57.5 45 30 52.5 20.3 1.2 33 750 1125 4 20
2 57.5 50 35 52.5 20.3 1.2 33 750 1500 4 22
UN:1700Vdc      Ur:675Vac 0.15 37 25 15 32.5 1.2 23 2000 300 8.5 5
0.22 37 30 16 32.5 1.2 23 2000 440 7.5 6
0.33 37 34 20 32.5 1.2 23 2000 660 7 9
0.39 37 34 20 32.5 1.2 23 2000 780 7 10
0.47 42 40 20 37.5 1.2 29 1260 592 6 12
0.56 42 44 24 37.5 1.2 29 1260 706 6 13
0.56 42 44 24 37.5 10.2 1.2 29 1260 706 5 15
0.68 42 44 24 37.5 1.2 29 1260 857 6 14
0.68 42 44 24 37.5 10.2 1.2 29 1260 857 6 16
0.82 42 45 30 37.5 20.3 1.2 29 1260 1033 5.5 14
1 42 50 35 37.5 20.3 1.2 29 1260 1260 4.5 17
1.2 42 50 35 37.5 20.3 1.2 29 1260 1512 4.5 18
1.5 42 55 40 37.5 20.3 1.2 29 1260 1890 4.5 19
1.2 57.5 45 30 52.5 20.3 1.2 33 780 936 4 17
1.5 57.5 45 30 52.5 20.3 1.2 33 780 1170 4 20
2 57.5 50 35 52.5 20.3 1.2 33 780 1560 4 22
UN:2000Vdc      Ur:700Vac 0.1 37 25 15 32.5 1.2 23 2200 220 9.5 5
0.15 37 25 15 32.5 1.2 23 2200 330 9.5 6
0.22 37 30 16 32.5 1.2 23 2200 484 7.5 7.5
0.33 37 34 20 32.5 1.2 23 2200 726 7.5 10
0.47 42 44 20 37.5 1.2 29 1300 611 6 13
0.56 42 44 24 37.5 1.2 29 1300 728 6 14
0.56 42 44 24 37.5 10.2 1.2 29 1300 728 5 16
0.68 42 44 24 37.5 1.2 29 1300 884 5.5 14
0.68 42 44 24 37.5 10.2 1.2 29 1300 884 4.5 16.5
0.82 42 45 30 37.5 20.3 1.2 29 1300 1066 4.5 17
1 42 50 35 37.5 20.3 1.2 29 1300 1300 4.5 19
1.2 42 55 40 37.5 20.3 1.2 29 1300 1560 4.5 20
1 57.5 45 30 52.5 20.3 1.2 33 900 900 4.5 20
1.2 57.5 45 30 52.5 20.3 1.2 33 900 1080 4.5 21
1.5 57.5 50 35 52.5 20.3 1.2 33 900 1350 4.5 22
UN:2500Vdc      Ur:725Vac 0.068 37 25 15 32.5 1.2 23 3200 218 10 5
0.1 37 30 16 32.5 1.2 23 3200 320 10 6
0.15 37 34 20 32.5 1.2 23 3200 480 9.5 8
0.18 37 34 20 32.5 1.2 23 3200 576 9 10.5
0.22 42 40 20 37.5 1.2 29 2100 462 5.5 11
0.33 42 44 24 37.5 1.2 29 2100 693 5.5 13
0.33 42 44 24 37.5 10.2 1.2 29 210 693 4.5 15.2
0.47 42 45 30 37.5 20.3 1.2 29 2100 987 4 16
0.68 42 50 35 37.5 20.3 1.2 29 2100 1428 4 16.5
0.82 42 55 40 37.5 20.3 1.2 29 2100 1722 4 17
0.68 57.5 45 30 52.5 20.3 1.2 33 1200 816 4 17
1 57.5 50 35 52.5 20.3 1.2 33 1200 1200 4 18
UN:3000Vdc      Ur:750Vac 0.047 37 25 15 32.5 1.2 23 3350 157 10.5 5.5
0.068 37 30 16 32.5 1.2 23 3350 228 10 6
0.1 37 34 20 32.5 1.2 23 3350 335 9.5 8
0.15 37 34 20 32.5 1.2 23 3350 503 9 9
0.18 42 40 20 37.5 1.2 29 2150 387 8 9
0.22 42 40 20 37.5 1.2 29 2150 473 7 10
0.22 42 44 24 37.5 10.2 1.2 29 2150 473 6.5 11
0.33 42 45 30 37.5 20.3 1.2 29 2150 710 5.5 14.5
0.47 42 50 35 37.5 20.3 1.2 29 2150 1011 5 16
0.56 42 55 40 37.5 20.3 1.2 29 2150 1204 5 16.5
0.47 57.5 45 30 52.5 20.3 1.2 33 1250 588 5 16.5
0.68 57.5 45 30 52.5 20.3 1.2 33 1250 850 5 17
0.82 57.5 50 35 52.5 20.3 1.2 33 1250 1025 4.5 18
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We always adhere to the cooperation of advanced automation and industrialization. the company continues to introduce domestic and foreign outstanding production equipment, while self-developed production management software, enterprise collaborative management to scientific and efficient operation, has achieved 1 billion/annual production capacity breakthrough, and maintains an orderly rise.

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Adhering to the concept of innovative technology, honest service and professional quality, Walson Electronics pushes forward capacitor products continuously and is sure to become the industry pioneer with innovative advantages.

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Industry Knowledge

WSC Series Snubber Capacitor for IGBT for PCB: Why are they the ideal choice for high-efficiency power electronics applications?

With the continuous development of power electronics technology, IGBTs (insulated gate bipolar transistors) have gradually occupied an important position in high-efficiency power control systems. In IGBT applications, the role of snubber capacitors is crucial. It not only stabilizes voltage and reduces switching losses, but also improves the overall efficiency of the system. The WSC Series Snubber Capacitor for IGBT for PCB launched by Walson Electronics have become the first choice for many power electronics applications due to their low high-frequency losses, low temperature rise, flame-retardant plastic housing and resin sealing. So why are WSC series capacitors the ideal choice in this field?

Performance advantages of low high-frequency losses and low temperature rise
In power electronics applications, the high-frequency characteristics of capacitors are particularly important. As the switching frequency increases, the loss of capacitors becomes one of the key factors determining the efficiency of the system. The WSC series IGBT snubber capacitors use polypropylene film dielectrics, which have very low loss characteristics under high-frequency signals. Its excellent high-frequency performance enables the capacitor to effectively reduce the power loss generated during the switching process, thereby improving the energy efficiency of the overall system.

Low temperature rise is another outstanding feature of the WSC series capacitors. In high-frequency and high-voltage working environments, the temperature rise of capacitors is an inevitable phenomenon. Excessive temperature not only affects the performance of the capacitor, but also shortens its service life. The WSC series capacitors use special electrode structures and high-quality dielectric materials to effectively suppress temperature rise and ensure that they can still maintain stable operation under high loads.

Robust flame-retardant design and high reliability
Power electronic equipment usually operates in harsh working environments and has extremely high safety requirements. The shell of the WSC series capacitors is made of flame-retardant plastic material, and the shell and internal structure are sealed with resin to meet the UL94V-0 level flame retardant standard. This design not only enhances the durability of the capacitor, but also improves its reliability under extreme conditions. Whether in high temperature, humidity or other harsh environments, the WSC series capacitors can work stably and effectively ensure the long-term safety of power electronic systems.

Advantages of polypropylene film dielectrics
As the dielectric material of the WSC series capacitors, polypropylene film has high dielectric strength and voltage resistance, and can maintain good performance in high voltage and high frequency environments. In addition, the low dielectric loss characteristics of polypropylene film enable the capacitor to reduce energy loss during high-speed switching, further improving overall efficiency. These properties make the WSC series capacitors particularly outstanding in IGBT buffer applications.

Professional quality and innovative technology
Walson Electronics adheres to the business philosophy of "innovative technology, honest service, and professional quality" and is committed to promoting the development of capacitor products. As a technology-driven company, Walson Electronics continues to invest in research and development to improve product quality and performance to meet the growing market demand. The launch of the WSC series capacitors is one of the results of the company's continuous innovation in the field of power electronics. With its advanced technology and high-quality manufacturing process, Walson Electronics has gradually established a brand image of leading technology and reliable quality in the industry.

Adapt to a wide range of applications
WSC series PCB IGBT buffer capacitors are widely used in various power electronic equipment, especially in industrial motor drives, power conversion, renewable energy systems, and electric vehicle charging stations, showing its outstanding performance advantages. These applications usually require capacitors to work stably under high current, high voltage and high frequency environments. The WSC series capacitors are fully capable of meeting these high standards with their low loss, low temperature rise, flame retardancy and high reliability.

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