TISP4350L3BJR 데이터 시트보기 (PDF) - Power Innovations Ltd
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TISP4350L3BJR Datasheet PDF : 14 Pages
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TISP4070L3BJ, TISP4350L3BJ
BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS
AUGUST 1999 — REVISED NOVEMBER 1999
A
Y
B
Y
CN
Y
FLOW
F
DN
H
Y
COMMENT
boxes C and D
The criterion for box C is overcurrent protection that reduces currents
above 1.3 A. This requirement is met by a 1 A fuse (a 1 A current
fusing rating, not an IEC 1 A current carrying rating).
Modems which pass FCC Part 68 Type B surges and non-
operationally pass Type A surges can use a fuse of 1 A or less, so the
yes path to box D can be followed. High performance modems which
operationally pass both Type A and B surges would need a fuse of
greater than 1 A and so follow the no path to box F.
The criterion for box D is a fire enclosure.
Pass
Few modems can afford fire enclosures. However, for an internal
modem in a known computer case, the case may be evaluated as a
fire enclosure. A successful case evaluation will give a yes and an
equipment pass.
More likely the modem will not have a fire enclosure. The no flow goes
to box H.
FN
Y
G
J N Fail
Y
boxes F and J
The criterion for box F is a pass to clause 6.3.3 requirements.
A yes goes to box G and a no goes to box J.
The criterion for box J is to pass Test 5.
If all the three pass criteria of Test 5 are met, this is a yes and the flow
goes to box G.
A no result fails the equipment.
PRODUCT INFORMATION
8
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