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| Type SCMT Single/Dual IGBT Snubber Capacitor Modules Applications Use style SCMT as a discharge restrictive de-coupling to protect dual IGBT modules from overvoltage, Figure 1. Style SCMT 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 * * * * 1 or 2 wire taps for connecting external resistor Flame resistant case and epoxy, meets UL 94VO Other terminal pitches and capacitance values available. RoHS Compliant 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. 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. IGBTy z*laT8e6u5[u5-;0 CDE Cornell Dubilier*1605 E. Rodney French Blvd*New Bedford, MA 02744*Phone: (508)996-8561*Fax: (508)996-3830*www.cde.com Type SCMT Single/Dual IGBT Snubber Capacitor ModRoHS Compliant Discharge Restrictive De-coupling RCD Clamp SCMTWe>u5-PR6R y&T OYbSI{ I G B Tj!WW Figure 2 Figure 1 Style SCMT "P" type and "N" type used as a clamp Style SCMT Discharge restrictive decoupling used to protect an inverter using two "single" IGBT modules. to protect dual IGBT modules SCMT "P" Type Module Dual IGBT Module External Resistor Single IGBT Module Single IGBT Module External Resistors SCMT "N" Type Module SCMT "N" Type Module Outline Drawing L 1.0 W 1.0 H 1.0 C E 5 mm 14 mm UL 1015 AWG 18 L = 200 mm 9 mm P Dimensions in millimeters (mm) 16 mm 6.5 to 8.5 mm slot N and P Type Circuits CDE Cornell Dubilier*1605 E. Rodney French Blvd*New Bedford, MA 02744*Phone: (508)996-8561*Fax: (508)996-3830*www.cde.com Type SCMT Single/Dual IGBT Snubber Capacitor Modules Ratings Typical Application IGBT Module Ipk Catalog Part Number (F) SCMT474K601H7N28-F SCMT474K601H7P28-F SCMT474K601H7[*]25-F SCMT105K601H5N29-F SCMT105K601H5P29-F SCMT105K601H5[*]25-F SCMT155K601H7N28-F SCMT155K601H7P28-F SCMT155K601H7[*]25-F SCMT205K601H2N29-F SCMT205K601H2P29-F SCMT205K601H2[*]25-F SCMT154K122H8N28-F SCMT154K122H8P28-F SCMT154K122H8[*]25-F SCMT224K122H8N29-F SCMT224K122H8P29-F SCMT224K122H8[*]25-F SCMT334K122H8N28-F SCMT334K122H8P28-F SCMT334K122H8[*]25-F SCMT474K122H8N29-F SCMT474K122H8P29-F SCMT474K122H8[*]25-F SCMT105K122H4N28-F SCMT105K122H4P28-F SCMT105K122H4[*]25-F SCMT205K122H1N29-F SCMT205K122H1P29-F SCMT205K122H1[*]25-F .47 .47 .47 1.00 1.00 1.00 1.50 1.50 1.50 2.00 2.00 2.00 .15 .15 .15 .22 .22 .22 .33 .33 .33 .47 .47 .47 1.00 1.00 1.00 2.00 2.00 2.00 D=Dual S S D S S D S S D S S D S S D S S D S S D S S D S S D S S D (A) 200-300 200-300 200-300 300-400 300-400 300-400 200-300 200-300 200-300 400-600 400-600 400-600 (V) Type 600 600 600 600 600 600 600 600 600 600 600 600 N P [*] N P [*] N P [*] N P [*] N P [*] N P [*] P N [*] N P P N P [*] N P [*] (V) 600 600 600 600 600 600 600 600 600 (A) (s) (A) 300 300 300 500 500 500 300 300 300 (A) 70 70 70 (in) (mm) (in) (mm) (in) (mm) (in) (mm) 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 30 0.050 30 0.050 30 0.050 50 0.050 50 0.050 50 0.050 30 0.050 30 0.050 30 0.050 Cap S=Single Ic Vce Vrrm If Trr Ipk W L H P Diode Characteristics Dimensions RoHS Compliant surge Rep. 100 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 100 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 100 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 70 70 70 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 600 100 0.050 1000 600 100 0.050 1000 600 100 0.050 1000 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 30 0.085 1200 50 1200 50 1200 50 1200 100 1200 100 1200 100 0.1 0.1 0.1 0.1 0.1 0.1 300 300 300 300 300 300 300 300 300 300 300 300 500 500 500 1000 1000 1000 200 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 200 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 200 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 60 60 60 60 60 60 60 60 60 60 60 60 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 1.10 28.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 0.91 23.0 2.3 58.0 1.38 35.0 1.14 29.0 0.91 23.0 2.3 58.0 1.38 35.0 0.98 25.0 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 200-300 1200 300-400 1200 300-400 1200 300-400 1200 400-600 1200 400-600 1200 400-600 1200 100 1.38 35.0 2.3 59.0 1.77 45.0 1.10 28.0 100 1.38 35.0 2.3 59.0 1.77 45.0 1.10 28.0 100 1.38 35.0 2.3 59.0 1.77 45.0 0.98 25.0 200 1.54 39.0 2.3 59.0 1.85 47.0 1.14 29.0 200 1.54 39.0 2.3 59.0 1.85 47.0 1.14 29.0 200 1.54 39.0 2.3 59.0 1.85 47.0 0.98 25.0 lpk surge at 25 C and lpk repetitive at 25 C and 20 kHz. [*] Specify "N' or "P" Type Part Numbering System SCMT Type 105 Cap. 105 = 1.0 F K Tol. K = 10% J = 5% 122 Voltage 601 = 600V 122 = 1200V H1 Diode See ratings table for N Polarity "N" or "P" 28 Pitch 25 = 25mm 28 = 28mm -F RoHS -F = RoHS Compliant 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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