Top Quality Welding Inverter Dc Link Capacitor - Newly Designed Power Electronic Capacitor with Self-healing Capability (DKMJ-S) – CRE
Top Quality Welding Inverter Dc Link Capacitor - Newly Designed Power Electronic Capacitor with Self-healing Capability (DKMJ-S) – CRE Detail:
Technical data
Operating temperature range | Max.Operating temperature.,Top,max: + 70℃Upper category temperature: +60℃Lower category temperature: -40℃ | |
capacitance range |
100μF~20000μF |
|
Un/ Rated voltage Un |
600V.DC~4000V.DC |
|
Cap.tol |
±5%(J) ;±10%(K) |
|
Withstand voltage |
Vt-t |
1.5Un DC/60S |
Vt-c |
1000+2×Un/√2 (V.AC) 60S(min 3000 V.AC) |
|
Over Voltage |
1.1Un(30% of on-load-dur.) |
|
1.15Un(30min/day) |
||
1.2Un(5min/day) |
||
1.3Un(1min/day) |
||
1.5Un(100ms every time,1000times during the lifetime) |
||
Dissipation factor |
tgδ≤0.003 f=100Hz |
|
tgδ0≤0.0002 |
||
ESL |
<150 nH |
|
Flame retardation |
UL94V-0 |
|
Maximum aititude |
2000m |
|
When the altitude is above 2000m to below 5000m, it is necessary to consider the use of reduced amount.(for each increase of 1000m, the voltage and current will be reduced by 10%)
|
||
Life expectancy |
100000h(Un; Θhotspot ≤70 °C ) |
|
Reference standard |
IEC 61071 ;IEC 61881; |
Feature
1. Metal shell encapsulation, dry resin infusion;
2. Copper nut/screw leads, easy installation;
3. Large capacity, small size;
4. Resistance to high voltage, with self-healing;
5. High ripple current, high dv / dt withstand capability.
Application
1. Railway traction;
2. Pv inverter;
3. wind power converter;
4. All kinds of frequency converter and inverter power supply;
5. Pure electric and hybrid cars;
6. SVG, SVC devices
7. other kinds of power quality management.
8. mining power converter
Typical circuit
Life expectancy
Outline drawing
Voltage | Un 800V.DC Us 1200V Ur 200V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
4000 | 340 | 125 | 190 | 5 | 20.0 | 120 | 1.1 | 0.9 | 17.6 |
8000 | 340 | 125 | 350 | 4 | 32.0 | 180 | 0.72 | 0.6 | 31.2 |
6000 | 420 | 125 | 245 | 5 | 30.0 | 150 | 0.95 | 0.7 | 26.4 |
10000 | 420 | 125 | 360 | 4 | 40.0 | 200 | 0.72 | 0.5 | 39.2 |
12000 | 420 | 235 | 245 | 4 | 48.0 | 250 | 0.9 | 0.3 | 49.6 |
20000 | 420 | 235 | 360 | 3 | 60.0 | 300 | 0.6 | 0.3 | 73.6 |
Voltage | Un 1200V.DC Us 1800V Ur 300V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
2500 | 340 | 125 | 190 | 8 | 20.0 | 120 | 1.1 | 0.9 | 17.6 |
3300 | 340 | 125 | 245 | 8 | 26.4 | 150 | 0.95 | 0.7 | 22.4 |
5000 | 420 | 125 | 300 | 7 | 35.0 | 180 | 0.8 | 0.6 | 32.8 |
7500 | 420 | 125 | 430 | 5.5 | 41.3 | 200 | 0.66 | 0.6 | 44.8 |
5000 | 340 | 235 | 190 | 8 | 40.0 | 200 | 1.1 | 0.3 | 32.8 |
10000 | 340 | 235 | 350 | 6 | 60.0 | 250 | 0.8 | 0.3 | 58.4 |
5000 | 420 | 235 | 175 | 8 | 40.0 | 200 | 1 | 0.4 | 36 |
7500 | 420 | 235 | 245 | 7 | 52.5 | 250 | 0.9 | 0.3 | 49.6 |
10000 | 420 | 235 | 300 | 7 | 70.0 | 250 | 0.8 | 0.3 | 61.6 |
15000 | 420 | 235 | 430 | 5 | 75.0 | 300 | 0.6 | 0.3 | 84 |
Voltage | Un 1500V.DC Us 2250V Ur 450V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
1200 | 340 | 125 | 190 | 10 | 12.0 | 120 | 1.1 | 0.9 | 17.6 |
3000 | 340 | 125 | 420 | 8 | 24.0 | 180 | 0.66 | 0.7 | 37.6 |
2000 | 420 | 125 | 245 | 10 | 20.0 | 150 | 0.95 | 0.7 | 26.4 |
4000 | 420 | 125 | 430 | 8 | 32.0 | 200 | 0.66 | 0.6 | 44.8 |
5000 | 340 | 235 | 350 | 8 | 40.0 | 250 | 0.8 | 0.3 | 58.4 |
4000 | 420 | 235 | 245 | 10 | 40.0 | 250 | 0.9 | 0.3 | 49.6 |
8000 | 420 | 235 | 430 | 8 | 64.0 | 300 | 0.6 | 0.3 | 84 |
Voltage | Un 2000V.DC Us 3000V Ur 600V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
1000 | 340 | 125 | 245 | 12 | 12.0 | 150 | 0.95 | 0.7 | 22.4 |
1500 | 340 | 125 | 350 | 10 | 15.0 | 180 | 0.72 | 0.6 | 31.2 |
2000 | 420 | 125 | 360 | 10 | 20.0 | 200 | 0.72 | 0.5 | 39.2 |
2400 | 420 | 125 | 430 | 9 | 21.6 | 200 | 0.66 | 0.6 | 44.8 |
3200 | 340 | 235 | 350 | 10 | 32.0 | 250 | 0.8 | 0.3 | 46.4 |
4000 | 420 | 235 | 360 | 10 | 40.0 | 280 | 0.7 | 0.3 | 58.4 |
4800 | 420 | 235 | 430 | 9 | 43.2 | 300 | 0.6 | 0.3 | 67.2 |
Voltage | Un 2200V.DC Us 3300V Ur 600V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms (A)max | ESR (mΩ) | Rth (K/W) | Weight (Kg) |
2000 | 420 | 235 | 245 | 12 | 24 | 150 | 0.9 | 0.740740741 | 40 |
2750 | 420 | 235 | 300 | 10 | 27.5 | 200 | 0.8 | 0.46875 | 49.6 |
3500 | 420 | 235 | 360 | 10 | 35 | 200 | 0.7 | 0.535714286 | 58.4 |
Voltage | Un 3000V.DC Us 4500V Ur 800V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms (A)max | ESR (mΩ) | Rth (K/W) | Weight (Kg) |
1050 | 420 | 235 | 245 | 20 | 21 | 150 | 0.9 | 0.740740741 | 40 |
1400 | 420 | 235 | 300 | 15 | 21 | 200 | 0.8 | 0.46875 | 49.6 |
1800 | 420 | 235 | 360 | 15 | 27 | 200 | 0.7 | 0.535714286 | 58.4 |
Voltage | Un 4000V.DC Us 6000V Ur 1000V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms (A)max | ESR (mΩ) | Rth (K/W) | Weight (Kg) |
600 | 420 | 235 | 245 | 20 | 12 | 150 | 0.9 | 0.740740741 | 40 |
800 | 420 | 235 | 300 | 20 | 16 | 200 | 0.8 | 0.46875 | 49.6 |
1000 | 420 | 235 | 360 | 20 | 20 | 200 | 0.7 | 0.535714286 | 58.4 |
Voltage | Un 2800V.DC Us 4200V Ur 800V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
2×1000 | 560 | 190 | 310 | 20 | 2×20 | 2×350 | 1 | 0.2 | 60 |
Voltage | Un 3200V.DC Us 4800V Ur 900V | ||||||||
Cn (μF) | W (mm) | T (mm) | H (mm) | dv/dt (V/μS) | Ip (KA) | Irms(A)50℃@10KHz | ESR (mΩ) @1KHz | Rth (K/W) | Weight (Kg) |
2×1200 | 340 | 175 | 950 | 15 | 2×18 | 2×200 | 1.0 | 0.5 | 95 |
Product detail pictures:




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High-quality comes 1st; support is foremost; business is cooperation" is our small business philosophy which is regularly observed and pursued by our organization for Top Quality Welding Inverter Dc Link Capacitor - Newly Designed Power Electronic Capacitor with Self-healing Capability (DKMJ-S) – CRE , The product will supply to all over the world, such as: Pretoria, Adelaide, Belgium, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We're doing everything to supply our customers with best services and best solutions . We promise that we are going to be responsible all the way to the end once our services begin.

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
