P0900SCMC Littelfuse / Teccor Sidactor(R) Product, P0900SCMC Datasheet - Page 121
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
1.P0080SCMC.pdf
(212 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P0900SCMC
Manufacturer:
TECCOR
Quantity:
54 000
Company:
Part Number:
P0900SCMCL
Manufacturer:
Littelfu
Quantity:
150 000
Company:
Part Number:
P0900SCMCLRP
Manufacturer:
Littelfu
Quantity:
73 500
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Triac Protection
© 2002 Teccor Electronics
SIDACtor
®
Data Book and Design Guide
Thyristors
Damage can occur to a thyristor if the thyristor’s repetitive peak off-state voltage is
exceeded. A thyristor’s repetitive peak off-state voltage may be exceeded due to dirty AC
power mains, inductive spikes, motor latch up, and so on.
Thyristor Reference Circuit
Figure 3.40 and Figure 3.41 show two different methods of protecting a triac. In Figure 3.40,
a SIDACtor device is connected from MT2 to the gate of the triac. When the voltage applied
to the triac exceeds the SIDACtor device’s V
gate current which turns the triac on.
Figure 3.40 TRIAC Protection
The circuit in Figure 3.41 places a SIDACtor device across MT2 and MT1 of the triac. In this
instance the SIDACtor device protects the triac by turning on and shunting the transient
before it exceeds the V
Figure 3.41 TRIAC Protection
With both methods, consider the following designs when using a SIDACtor device to protect
a thyristor:
• V
• SIDACtor device V
• SIDACtor device must be placed behind the load
DRM
of the SIDACtor device < V
Circuitry
Circuitry
Gating
Gating
To
To
SIDACtor
Triac
DRM
DRM
> 120% V
rating of the triac.
MT1
MT2
47 Ω
Triac
3 - 33
DRM
PK(power supply)
SIDACtor
of Triac
MT1
MT2
DRM
, the SIDACtor device turns on, producing a
Load
Load
Hot
Neutral
Hot
http://www.teccor.com
Neutral
+1 972-580-7777
Triac Protection
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