ISO-9001 CERTIFIED BY DSCC
M.S.KENNEDY CORP.
FEATURES:
600V/200A
THREE PHASE BRIDGE
PEM WITH BRAKE
4851
(315) 701-6751
4707 Dey Road Liverpool, N.Y. 13088
MIL-PRF-38534 CERTIFIED
Full Three Phase Bridge Configuration with SCR/IGBT Brake
600V Rated Voltage
200A Continuous Output Current
Internal Zener Clamps on Gates
Proprietary Encapsulation Provides Near Hermetic Performance
MIL-PRF-38534 Screening Available (Modified)
Light Weight Domed ALSIC Baseplate
Robust Mechanical Design for Hi-Rel Applications
Ultra-Low Inductance Internal Layout
Withstands 96 Hours HAST and Thermal Cycling (-55°C to +125°C)
DESCRIPTION:
The MSK 4851 is one of a family of plastic encapsulated modules (PEM) developed specifically for use in military,
aerospace and other severe environment applications. The Three Phase Bridge configuration along with the SCR/IGBT
brake circuit and 600 volt/200 amp rating make it ideal for use in high current motor drive and inverter applications. The
Aluminum Silicon Carbide (AlSiC) baseplate offers superior flatness and light weight; far better than the copper or copper
alloys found in most high power plastic modules. The high thermal conductivity materials used to construct the MSK 4851
allow high power outputs at elevated baseplate temperatures. Our proprietary coating, SEES™ - Severe Environment
Encapsulation System - protects the internal circuitry of MSK PEM's from moisture and contamination, allowing them to
pass the rugged environmental screening requirements of military and aerospace applications. MSK PEM's are also avail-
able with industry standard silicone gel coatings for a lower cost option.
EQUIVALENT SCHEMATIC
TYPICAL APPLICATIONS
Motor Drives
Inverters
1
Rev. B
8/05
ABSOLUTE MAXIMUM RATING
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8
ELECTRICAL SPECIFICATIONS
NOTES:
Guaranteed by design but not tested. Typical parameters are representative of actual device performance but are for reference only.
Industrial grade and "E" suffix devices shall be tested to subgroup 1 unless otherwise specified.
Military grade devices ("H" suffix) shall be 100% tested to subgroups 1, 2 and samples tested to subgroup 3.
Subgroups 4, 5 and 6 testing available upon request.
Subgroup 1, 4 T
A
= +25°C
2, 5 T
A
= +125°C
3, 6 T
A
= -55°C
6 All specifications apply to both the upper and lower sections of the half bridge.
7 V
GE
=15V unless otherwise specified.
8 Continuous operation at or above absolute maximum ratings may adversly effect the device performance and/or life cycle.
1
2
3
4
5
2
Rev. B 8/05
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V
CE
V
GE
I
OUT
I
OUTP
V
CASE
Collector to Emitter Voltage
Gate to Emitter Voltage
Current (Continuous)
Current Pulsed (1mS)
Case Isolation Voltage
600V
±20V
200A
400A
2500V
T
ST
T
J
T
C
-55°C to +125°C
Storage Temperature Range
150°C
Junction Temperature
Case Operating Temperature Range
-55°C to +125°C
MSK 4851H/E
-40°C to +85°C
MSK 4851
MECHANICAL SPECIFICATIONS
WEIGHT = 442 GRAMS MAX.
ORDERING INFORMATION
MSK4851 H
SCREENING
BLANK=INDUSTRIAL; E=EXTENDED RELIABILITY;
H=MIL-PRF-38534 CLASS H (MODIFIED)
GENERAL PART NUMBER
THE ABOVE EXAMPLE IS A MILITARY SCREENED MODULE.
M.S. Kennedy Corp.
4707 Dey Road Liverpool, New York 13088
Phone (315) 701-6751
FAX (315) 701-6752
www.mskennedy.com
The information contained herein is believed to be accurate at the time of printing. MSK reserves the right to make
changes to its products or specifications without notice, however, and assumes no liability for the use of its products.
Please visit our website for the most recent revision of this datasheet.
6
Rev. B
8/05
Test/Measurement
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