SCM155K122HHN24 Cornell Dubilier Electronics (CDE), SCM155K122HHN24 Datasheet

SCM155K122HHN24

Manufacturer Part Number

SCM155K122HHN24

Description

Manufacturer

Cornell Dubilier Electronics (CDE)

Datasheet

1.SCM155K122HHN24.pdf (2 pages)

Specifications of SCM155K122HHN24

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• Mount directly to the IGBT module

• Low inductance

• Low Loss

• Hyperfast diodes integrated into package

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.

Highlights

CDE Cornell Dubilier•1605 E. Rodney French Blvd•New Bedford, MA 02744•Phone: (508)996-8561•Fax: (508)996-3830•www.cde.com

Style SCM Discharge restrictive decoupling used

Dual

IGBT

Module

to protect dual IGBT modules

Type SCM

Figure 1

COPY & PASTE A CDE PART NUMBER TO CHECK STOCK ONLINE:

SCM

“N” Type

Module

Single/Dual IGBT Snubber Capacitor Modules

External

Resistor

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.

• 1 or 2 wire taps for connecting external resistor

• Flame resistant case and epoxy, meets UL 94V0

• Other terminal pitches and capacitance values

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.

to protect an inverter using two “single” IGBT modules

available.

Style SCM “P” type and “N” type used as a clamp

Single

IGBT

Module

Single

IGBT

Module

Complies with the EU Directive 2002/95/EC re-

quirement restricting the use of Lead (Pb), Mer-

cury (Hg), Cadmium (Cd), Hexavalent chromium

(Cr(VI)), PolyBrominated Biphenyls (PBB) and

PolyBrominated Diphenyl Ethers (PBDE).

Figure 2

SCM

“P” Type

Module

SCM

“N” Type

Module

External

Resistor

Related parts for SCM155K122HHN24

SCM155K122HHN24 Summary of contents

Page 1

Type SCM Highlights • Mount directly to the IGBT module • Low inductance • Low Loss • Hyperfast diodes integrated into package Discharge Restrictive De-coupling The circuit in Figure 1 operates on the same principles as the de-coupling capacitor, but ...

Page 2

Type SCM Single/Dual IGBT Snubber Capacitor Modules 8 mm Ratings Typical Application IGBT Module Catalog Cap S=Single Ic Part Number (µF) D=Dual (A) SCM474K601H7N29-F 0.47 S 200–300 SCM474K601H7P29-F 0.47 S 200–300 SCM105K601H7N24-F 1.00 D 100–200 SCM105K601H7P24-F 1.00 D 100–200 SCM105K601H5N29-F ...

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