ES5371.1 Carrier Board for ES443x Load Boards - User’s Guide
16
Features and Functions
ETAS
2.2
Fuses
There are five fuses on the ES5371.1 Carrier Board for ES443x Load Boards to
protect the backplane voltages. The battery voltage is protected using two sepa-
rate fuses.
Fig. 2-2
Fuse Positions
Tab. 2-1
Fuses
Fuse
Type
Specification
Protection of
(voltage)
FU100
NANO2® Slo-Blo®Fuse
452/454 Series
T 5 A
Positive
battery voltage
FU101
NANO2® Slo-Blo®Fuse
e 452/454 Series
T 5 A
Negative
battery voltage
FU400
NANO2® Slo-Blo®Fuse
452/454 Series
T 3 A
VCC12 (+12V)
FU401
NANO2® Slo-Blo®Fuse
452/454 Series
T 3 A
VCC3_3 (+3.3V)
FU402
NANO2® Slo-Blo®Fuse
452/454 Series
T 3 A
VCC5 (+5V)
FU403
NANO2® Slo-Blo®Fuse
452/454 Series
T 1.5 A
+24V (prepared)
FU404
NANO2® Slo-Blo®Fuse
452/454 Series
T 0.5 A
VSS12 (-12V)
CAUTION!
Not observing the fuse specifications can lead to overcurrents, short-
circuits and fire. Only use fuses which correspond to the specifica-
tions listed in Tab. 2-1! Never bridge faulty fuses!
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