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| Type SCM Single/Dual IGBT Snubber Capacitor Modules Applications Use style SCM as a discharge restrictive de-coupling to protect dual IGBT modules from overvoltage, Figure 1. Style SCM may also be used as an "N" or "P" type snubber component for a clamp snubber where single IGBT modules are used, Figure 2. Highlights * Mount directly to the IGBT module * Low inductance * Low Loss * Hyperfast diodes integrated into package Complies with the EU Directive 2002/95/EC requirement restricting the use of Lead (Pb), Mercury (Hg), Cadmium (Cd), Hexavalent chromium (Cr(VI)), PolyBrominated Biphenyls (PBB) and PolyBrominated Diphenyl Ethers (PBDE). Discharge Restrictive De-coupling The circuit in Figure 1 operates on the same principles as the de-coupling capacitor, but only during turn-off switching. As the IGBT turns off, energy trapped in the loop inductance is transferred to the capacitor. The diode blocks oscillations from occurring and excess charge on the capacitor is discharged through the external resistor. * 1 or 2 wire taps for connecting external resistor * Flame resistant case and epoxy, meets UL 94V0 * Other terminal pitches and capacitance values available. RCD Clamp The function of this snubber is similar to a clamp, Figure 2. At turn-off, the snubber diode is forward biased and the snubber is activated. The energy trapped in the stray inductance is absorbed by the snubber capacitor. During turn-on the snubber caps that were fully charged to bus voltage have a discharge path through the forward biased free-wheel diode, the IGBT, and the snubber resistors. This reduces the reverse recovery voltage transient. Figure 2 Style SCM "P" type and "N" type used as a clamp to protect an inverter using two "single" IGBT modules SCM "P" Type Module Figure 1 Style SCM Discharge restrictive decoupling used to protect dual IGBT modules External Resistor Dual IGBT Module Single IGBT Module External Resistor SCM "N" Type Module Single IGBT Module SCM "N" Type Module CDE Cornell Dubilier*1605 E. Rodney French Blvd*New Bedford, MA 02744*Phone: (508)996-8561*Fax: (508)996-3830*www.cde.com Type SCM Single/Dual IGBT Snubber Capacitor Modules L Max. H Max. C E 5 mm 16 mm UL 1015 AWG 18 L = 22 mm min W Max. 8 mm 15 mm P 1.0 mm 7 mm dia Ratings Typical Application IGBT Module Catalog Part Number SCM474K601H7N29-F SCM474K601H7P29-F SCM105K601H7N24-F SCM105K601H7P24-F SCM105K601H5N29-F SCM105K601H5P29-F SCM155K601H7N24-F SCM155K601H7P24-F SCM205K601H5N24-F SCM205K601H5P24-F SCM205K601H2N29-F SCM205K601H2P29-F SCM474K122H8N29-F SCM474K122H8P29-F SCM105K122H8N24-F SCM105K122H8P24-F SCM105K122H4N29-F SCM105K122H4P29-F SCM155K122H8N24-F SCM155K122H8P24-F SCM205K122H4N24-F SCM205K122H4P24-F SCM205K122H1N29-F SCM205K122H1P29-F Cap S=Single (F) 0.47 0.47 1.00 1.00 1.00 1.00 1.50 1.50 2.00 2.00 2.00 2.00 0.47 0.47 1.00 1.00 1.00 1.00 1.50 1.50 2.00 2.00 2.00 2.00 D=Dual S S D D S S D D D D S S S S D D S S D D D D S S Ic (A) 200-300 200-300 100-200 100-200 300-400 300-400 200-300 200-300 300-400 300-400 400-600 400-600 Vce (V) 600 600 600 600 600 600 600 600 600 600 600 600 Type N P N P N P N P N P N P N P N P N P N P N P N P Vrrm (V) 600 600 600 600 600 600 600 600 600 600 600 600 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 If (A) 30 30 30 30 50 50 30 30 50 50 Trr (s) 0.040 0.040 0.040 0.040 0.045 0.045 0.040 0.040 0.045 0.045 Diode Characteristics Ipk surge (A) 300 300 300 300 500 500 300 300 500 500 1000 1000 300 300 300 300 500 500 300 300 500 500 1000 1000 Ipk rep (A) 70 70 70 70 (in) W (mm) (in) L (mm) (in) Dimensions H (mm) (in) 1.142 1.142 0.945 0.945 1.142 1.142 0.945 0.945 0.945 0.945 1.142 1.142 1.142 1.142 0.945 0.945 1.142 1.142 0.945 0.945 0.945 0.945 1.142 1.142 P (mm) 29 29 24 24 29 29 24 24 24 24 29 29 29 29 24 24 29 29 24 24 24 24 29 29 1.725 43.82 2.200 55.88 1.34 34.04 1.725 43.82 2.200 55.88 1.34 34.04 1.500 38.10 1.875 47.63 1.25 31.75 1.500 38.10 1.875 47.63 1.25 31.75 100 1.825 46.36 2.225 56.52 1.50 38.10 100 1.825 46.36 2.225 56.52 1.50 38.10 70 70 1.350 34.29 2.200 55.88 1.20 30.48 1.500 38.10 1.875 47.63 1.25 31.75 100 1.725 43.82 2.200 55.88 1.34 34.04 100 1.725 43.82 2.200 55.88 1.34 34.04 200 1.825 46.36 2.225 56.52 1.50 38.10 200 1.825 46.36 2.225 56.52 1.50 38.10 60 60 60 60 1.350 34.29 2.200 55.88 1.20 30.48 1.500 38.10 1.875 47.63 1.25 31.75 1.750 44.45 2.500 63.50 1.47 37.34 1.750 44.45 2.500 63.50 1.47 37.34 100 0.050 100 0.050 30 30 30 30 50 50 30 30 50 50 0.065 0.065 0.065 0.065 0.085 0.085 0.065 0.065 0.065 0.065 200-300 1200 200-300 1200 100-200 1200 100-200 1200 300-400 1200 300-400 1200 200-300 1200 200-300 1200 300-400 1200 300-400 1200 400-600 1200 400-600 1200 100 1.725 43.82 2.200 55.88 1.34 34.04 100 1.825 46.36 2.225 56.52 1.50 38.10 60 60 1.750 44.45 2.500 63.50 1.47 37.34 1.825 46.36 2.225 56.52 1.50 38.10 100 2.125 53.98 2.500 63.50 1.70 43.18 100 2.125 53.98 2.500 63.50 1.70 43.18 200 2.125 53.98 2.500 63.50 1.70 43.18 200 2.125 53.98 2.500 63.50 1.70 43.18 1200 100 0.090 1200 100 0.090 Ipk surge at 25 C and Ipk repetitive at 25 C and 20 kHz. CDE Cornell Dubilier*1605 E. Rodney French Blvd*New Bedford, MA 02744*Phone: (508)996-8561*Fax: (508)996-3830*www.cde.com |
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