P0900SCMC Littelfuse / Teccor Sidactor(R) Product, P0900SCMC Datasheet - Page 166

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P0900SCMC

Manufacturer Part Number
P0900SCMC
Description
SIDACTOR MC BI 75V 400A DO-214AA
Manufacturer
Littelfuse / Teccor Sidactor(R) Product
Series
SIDACtor® SC(MC)r
Datasheet

Specifications of P0900SCMC

Voltage - Breakover
98V
Voltage - Off State
75V
Voltage - On State
5V
Current - Peak Pulse (8 X 20µs)
400A
Current - Peak Pulse (10 X 1000µs)
100A
Current - Hold (ih)
150mA
Number Of Elements
1
Capacitance
70pF
Package / Case
DO-214AA, SMB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Quantity
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Construction and Operation
http://www.teccor.com
+1 972-580-7777
amounts of current because of the low voltage drop (V
current flowing through the device is either interrupted or falls below a minimum holding
current (I
SIDACtor device typically becomes a permanent short circuit.
Physics
The SIDACtor device is a semiconductor device which is characterized as having four
layers of alternating conductivity: PNPN. (Figure 5.2) The four layers include an emitter
layer, an upper base layer, a mid-region layer, and a lower base layer. The emitter is
sometimes referred to as a cathode region, with the lower base layer being referred to as
an anode region.
As the voltage across the SIDACtor device increases and exceeds the device’s V
electric field across the center junction reaches a value sufficient to cause avalanche
multiplication. As avalanche multiplication occurs, the impedance of the device begins to
decrease, and current flow begins to increase until the SIDACtor device’s current gain
exceeds unity. Once unity is exceeded, the SIDACtor device switches from a high
impedance (measured at V
through the device is reduced below its holding current (I
Figure 5.2 Geometric Structure of Bidirectional SIDACtor devices
H
), the SIDACtor resets, returning to its off state. If the I
S
) to a low impedance (measured at V
5 - 4
P
N
N
N
P
SIDACtor
T
) across the device. Once the
H
).
®
Data Book and Design Guide
PP
T
) until the current flowing
© 2002 Teccor Electronics
rating is exceeded, the
DRM
, the

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