NXP Semiconductors
BC637; BCP55; BCX55
60 V, 1 A NPN medium power transistors
10. Revision history
Table 10.
Revision history
Release date
20070625
Data sheet status
Product data sheet
Change notice
-
Supersedes
BC637_BCP55_BCX55_6
Document ID
BC637_BCP55_BCX55_7
Modifications:
•
•
•
•
•
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•
•
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The format of this data sheet has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
Legal texts have been adapted to the new company name where appropriate.
amended
amended
amended
I
C
parameter redefined to collector current
I
CM
condition added
and
amended
I
C
parameter redefined to collector current
I
CM
condition added
P
tot
values for BCP55 and BCX55 adapted
R
th(j-a)
values for BCP55 and BCX55 rounded
Z
th
redefined to Z
th(j-a)
transient thermal impedance from junction to ambient
t
p
parameter redefined to pulse duration
added
Z
th
redefined to Z
th(j-a)
transient thermal impedance from junction to ambient
t
p
parameter redefined to pulse duration
added
Z
th
redefined to Z
th(j-a)
transient thermal impedance from junction to ambient
t
p
parameter redefined to pulse duration
added
amended
new packing method for BCX55 added
updated
Product data sheet
CPCN200405029
BC635_637_639_4
BCP54_55_56_5
BCX54_55_56_4
BC635_637_639_3
BCP54_55_56_4
BCX54_55_56_3
BC637_BCP55_BCX55_6
20050218
BC635_637_639_4
BCP54_55_56_5
BCX54_55_56_4
20011010
20030206
20011010
Product specification
Product specification
Product specification
-
-
-
BC637_BCP55_BCX55_7
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 25 June 2007
13 of 15
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