Document
j BTW40 SERIES
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THYRISTORS
Also available to BS9341-F083 Silicon thyristors in metal envelopes, intended for use in power control applications in general, and lighting control (in a.c. controller circuit) up to 2,5 kW in particular. A feature of the thyristors is their high surge rating. The series consists of reverse polarity types (anode to stud) identified by a suffix R: BTW40-400R to 800R.
QUICK REFERENCE DATA
Repetitive peak voltages
Average on-state current R.M.S. on-state current Non-repetitive peak on-state current
IT(AV) IT(RMS) ITSM
max. max. max.
20 A 32 A 400 A
MECHANICAL DATA
Dimensions in mm
Fig. 1 TO-48: with metric M6 stud (ยข6 mm); e.g. BTW40-400R.
Types with % in x 28 UNF stud I> 6,35 mm) are available on request. These are indicated by the
suffix U: e.g. BTW40-400RU.
-.-.4,2.3,2
3,4-
ft
124-max
'\
_ 7,6 max
-'
----. m'in
tF===a=p-1I1IM
~
2,26_ max
H
\.....J
I
-12,8max-
r:ft 11.,96
-22,2max-
.