Special Design for Dc-Link Capacitors In Power Converters - High-Current Film Capacitor Snubber for Welding Machine (SMJ-TC) – CRE
Special Design for Dc-Link Capacitors In Power Converters - High-Current Film Capacitor Snubber for Welding Machine (SMJ-TC) – CRE Detail:
Technical data
Operating temperature range | Max.Operating temperature.,Top,max: + 85℃Upper category temperature: +85℃Lower category temperature: -40℃ |
capacitance range |
0.22~3μF |
Rated voltage |
3000V.DC~10000V.DC |
Cap.tol |
±5%(J) ;±10%(K) |
Withstand voltage |
1.35Un DC/10S |
Dissipation factor |
tgδ≤0.001 f=1KHz |
Insulation resistance |
C≤0.33μF RS≥15000 MΩ (at 20℃ 100V.DC 60S) C>0.33μF RS*C≥5000S (at 20℃ 100V.DC 60S) |
Withstand strike current |
see datasheet |
Life expectancy |
100000h(Un; Θhotspot≤70°C) |
Reference standard |
IEC 61071 ; |
Feature
1. Mylar tape, Sealed with resin;
2. Copper nut leads;
3. Resistance to high voltage, low tgδ, low temperature rise;
4. low ESL and ESR;
5. High pulse Current.
Application
1. GTO Snubber.
2. Widely used in power electronic equipment when the peak voltage, peak current absorption protection.
Typical circuit
Outline drawing
Specification
Un=3000V.DC | |||||||
Capacitance (μF) |
φD (mm) |
L(mm) |
L1(mm) |
ESL(nH) |
dv/dt(V/μS) |
Ipk(A) |
Irms(A) |
0.22 |
35 |
44 |
52 |
25 |
1100 |
242 |
30 |
0.33 |
43 |
44 |
52 |
25 |
1000 |
330 |
35 |
0.47 |
51 |
44 |
52 |
22 |
850 |
399 |
45 |
0.68 |
61 |
44 |
52 |
22 |
800 |
544 |
55 |
1 |
74 |
44 |
52 |
20 |
700 |
700 |
65 |
1.2 |
80 |
44 |
52 |
20 |
650 |
780 |
75 |
1.5 |
52 |
70 |
84 |
30 |
600 |
900 |
45 |
2.0 |
60 |
70 |
84 |
30 |
500 |
1000 |
55 |
3.0 |
73 |
70 |
84 |
30 |
400 |
1200 |
65 |
4.0 |
83 |
70 |
84 |
30 |
350 |
1400 |
70 |
Un=6000V.DC | |||||||
Capacitance (μF) |
φD (mm) |
L(mm) |
L1(mm) |
ESL(nH) |
dv/dt(V/μS) |
Ipk(A) |
Irms(A) |
0.22 |
43 |
60 |
72 |
25 |
1500 |
330 |
35 |
0.33 |
52 |
60 |
72 |
25 |
1200 |
396 |
45 |
0.47 |
62 |
60 |
72 |
25 |
1000 |
470 |
50 |
0.68 |
74 |
60 |
72 |
22 |
900 |
612 |
60 |
1 |
90 |
60 |
72 |
22 |
800 |
900 |
75 |
Un=7000V.DC | |||||||
Capacitance (μF) |
φD (mm) |
L(mm) |
L1(mm) |
ESL(nH) |
dv/dt(V/μS) |
Ipk(A) |
Irms(A) |
0.22 |
45 |
57 |
72 |
25 |
1100 |
242 |
30 |
0.68 |
36 |
80 |
92 |
28 |
1000 |
680 |
25 |
1.0 |
43 |
80 |
92 |
28 |
850 |
850 |
30 |
1.5 |
52 |
80 |
92 |
25 |
800 |
1200 |
35 |
1.8 |
57 |
80 |
92 |
25 |
700 |
1260 |
40 |
2.0 |
60 |
80 |
92 |
23 |
650 |
1300 |
45 |
3.0 |
73 |
80 |
92 |
22 |
500 |
1500 |
50 |
Un=8000V.DC | |||||||
Capacitance(μF) |
φD (mm) |
L(mm) |
L1(mm) |
ESL(nH) |
dv/dt(V/μS) |
Ipk(A) |
Irms(A) |
0.33 |
35 |
90 |
102 |
30 |
1100 |
363 |
25 |
0.47 |
41 |
90 |
102 |
28 |
1000 |
470 |
30 |
0.68 |
49 |
90 |
102 |
28 |
850 |
578 |
35 |
1 |
60 |
90 |
102 |
25 |
800 |
800 |
40 |
1.5 |
72 |
90 |
102 |
25 |
700 |
1050 |
45 |
2.0 |
83 |
90 |
102 |
25 |
650 |
1300 |
50 |
Un=10000V.DC | |||||||
Capacitance (μF) |
φD (mm) |
L(mm) |
L1(mm) |
ESL(nH) |
dv/dt(V/μS) |
Ipk(A) |
Irms(A) |
0.33 |
45 |
114 |
123 |
35 |
1500 |
495 |
30 |
0.47 |
54 |
114 |
123 |
35 |
1300 |
611 |
35 |
0.68 |
65 |
114 |
123 |
35 |
1200 |
816 |
40 |
1 |
78 |
114 |
123 |
30 |
1000 |
1000 |
55 |
1.5 |
95 |
114 |
123 |
30 |
800 |
1200 |
70 |
Product detail pictures:
Related Product Guide:
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