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DMA12 Datasheet(PDF) 1 Page - Microsemi Corporation

Part No. DMA12
Description  IGBTVSTM AC LINE TRANSIENT VOLTAGE SUPPRESSOR
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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DMA12 Datasheet(HTML) 1 Page - Microsemi Corporation

   
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8700 E. Thomas Road
Scottsdale, AZ 85252
(480) 941-6300
CASE: Molded plastic, meets UL 94V-O
POLARITY: Cathode marked with +
INDUCTANCE: Less than 20 nH
TERMINALS: Corrosion resistant with hole spacings
to accommodate most high power IGBTs
IGB
TVS
TM
AC LINE
TRANSIENT
VOLTAGE
SUPPRESSOR
(FOR IGBT PROTECTION)
Santa Ana: (714) 979-8220
Scottscale: (602) 941-6300
Colorado: (303) 469-2161
Watertown: (617) 926-0404
Chatsworth: (818) 701-4933
Sertech Labs: (617) 924-9280
Ireland: (353) 65-40044
Bombay: (91) 22-832-002
Hong Kong: (852) 2692-1202
Features
Protects From Load Switching In AC Applications
For 120Vac, 240Vac and 440Vac Circuits
Fits Terminal Spacing on Most IGBTs
Fast Clamping – Subnanosecond
These devices will protect your IGBT in applications where it is
used in overload protection or switching ac loads. Transient
voltages produced when switching occurs in the positive one-half
of the cycle are clamped below the destruct level of the IGBT.
Unique low inductance shunt path virtually eliminates L(di/dt)
effects. Available as screened device for high reliability
applications. Includes burn-in and environmental tests.
Maximum Ratings @ 25°C
60kw peak pulse power dissipation for 120V @ 1.2/50µs
120kw peak pulse power dissipation for 240V @ 1.2/50µs
240kw peak pulse power dissipation for 440V @ 1.2/50µs
Operating and storage -55°C to +150°C
Shunt path inductance < 20nH
Duty cycle – .01% max.
Electrical Characteristics @ 25°C
MSC
IGBT
d
1.00
2.54
0.5
1.25
0.5
1.25
.375
.952
2.00
5.08
+
Hole to
fit 8mm
dia. stud
Dimensions: inches/centimeters
d – Terminals accommodate
23 -28 mm spacing
AC rms
REVERSE
BREAKDOWN
MAXIMUM
MAXIMUM
MAXIMUM
MICROSEMI
OPERATING
STAND-OFF
VOLTAGE
REVERSE
CLAMPING
PEAK PULSE
PART NO.
VOLTAGE
NOTE 1
MIN / MAX
LEAKAGE
VOLTAGE
CURRENT
NOMINAL
(VWM)(VBR) NOTE 2
(ID)(VC)(IPP) NOTE 3
Vac
Vdc
V
µA
V
A
DMA12
120
175
200 / 225
5
280
200
DMA24
240
350
400 / 450
5
560
200
DMA44
440
640
735 / 900
5
1120
200
Notes:
1.Will withstand high-line conditions of 15% above nominal
voltage.
2.Test current @ 10 mA.
3.Pulse waveform – 1.2 / 50 µs.
Data Sheet MSC0294A 6/3/97


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