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MCR25 Datasheet, PDF (1/6 Pages) Motorola, Inc – Silicon Controlled Rectifiers | |||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Silicon Controlled Rectifiers
Reverse Blocking Thyristors
Designed primarily for halfâwave ac control applications, such as motor
controls, heating controls, and power supplies; or wherever halfâwave, silicon
gateâcontrolled devices are needed.
⢠Blocking Voltage to 800 Volts
⢠On-State Current Rating of 25 Amperes RMS
⢠High Surge Current Capability â 300 Amperes
⢠Industry Standard TOâ220AB Package for Ease of Design
⢠Glass Passivated Junctions for Reliability and Uniformity
Order this document
by MCR25/D
MCR25
SERIES*
*Motorola preferred devices
SCRs
25 AMPERES RMS
400 thru 800
VOLTS
A
K
A
G
CASE 221Aâ06
(TO-220AB)
Style 3
MAXIMUM RATINGS (TJ = 25°C unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak Repetitive Off-State Voltage (1)
Peak Repetitive Reverse Voltage
(TJ = â40 to 125°C)
MCR25D
MCR25M
MCR25N
VDRM
VRRM
Volts
400
600
800
On-State RMS Current
(All Conduction Angles)
IT(RMS)
25
A
Peak Non-repetitive Surge Current
(One Half Cycle, 60 Hz, TJ = 125°C)
Circuit Fusing Consideration (t = 8.3 ms)
ITSM
I2t
300
A
373
A2sec
Peak Gate Power (Pulse Width ⤠1.0 µs, TC = 80°C)
Average Gate Power (t = 8.3 ms, TC = 80°C)
Peak Gate Current (Pulse Width ⤠1.0 µs, TC = 80°C)
Operating Junction Temperature Range
Storage Temperature Range
THERMAL CHARACTERISTICS
PGM
PG(AV)
IGM
TJ
Tstg
20.0
0.5
2.0
â 40 to +125
â 40 to +150
Watts
Watts
A
°C
°C
Thermal Resistance â Junction to Case
â Junction to Ambient
RθJC
RθJA
1.5
°C/W
62.5
Maximum Lead Temperature for Soldering Purposes 1/8â³ from Case for 5 Seconds
TL
260
°C
(1) VDRM and VRRM for all types can be applied on a continuous basis. Ratings apply for zero or negative gate voltage; positive gate voltage shall
not be applied concurrent with negative potential on the anode. Blocking voltages shall not be tested with a constant current source such that the
voltage ratings of the devices are exceeded.
Preferred devices are Motorola recommended choices for future use and best overall value.
REV 2
Motorola Thyristor Device Data
1
© Motorola, Inc. 1995
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