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SMBJ20 数据手册 - Galaxy Semi-Conductor
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SMBJ20数据手册
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GALAXY ELECTRICAL
FEATURES
Underwriters Laboratory Recognition under UL standard
for safety 497B: Isolated Loop Circuit Protection
Low profile package with built-in strain relief for surface
mounted applications
Glass passivated junction
Low incremental surge resistance, excellent clamping
capability
600W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
Very fast response time
High temperature soldering guaranteed:
250°C/10 seconds at terminals
MECHANICAL DATA
Case:JEDEC DO-214AA molded plastic over passivated
junction
Terminals: Solder plated, solderable per MIL-STD-750,
method 2026
Polarity: Foruni-directional types the color band denotes
the cathode, which is postitive with respect to the
anode under normal TVS operation
Weight: 0.003 ounces, 0.093 grams
Flammability: Epoxy is rated UL 94V-0
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMBJ10C, SMBJ10CA). Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
UNITVALUESYMBOL
SM BJ5.0 - - - SM BJ18 8CA
TRANSIENT VOLTAGE SUPPRESSOR
BREAKDOWN VOLTAGE: 5.0 --- 188 V
PEAK PULSE POWER: 600 W
DO-214AA(SMB)
Peak pow er dissipation w ith a 10/1000μs w aveform (NOTE 1,2, FIG.1)
P
PPM
Minimum 600 W
Peak pulse current w ith a 10/1000μs w aveform (NOTE 1)
I
PPM
See Table Below A
(
3
)
Mounted on minimum recommended
p
ad la
y
out.
(
2
)
Mounted on 0.2 x 0.2"
(
5.0 x 5.0mm
)
co
pp
er
p
ads to each terminal.
NOTES:
(
1
)
Non-re
p
etitive current
p
ules,
p
er Fi
g
. 3 and derated above T
A
=25
p
er Fi
g
. 2.
A
/WR
θJL
Peak forw ard surge current, 8.3ms single half sine-w ave
ffff uni-directional only( (NOTE 2)
Typical thermal resistance, junction to lead
I
FSM
100.0
100.0
/W
Operating junction and storage temperature range
T
J
, T
STG
-55---+150
20
Typical thermal resistance, junction to ambient( (NOTE 3)
R
θJA
Document Number 0285006, 1.
www.galaxycn.com
BL
BLGALAXY ELECTRICAL
inch(mm)
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