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FEATURES
GALAXY ELECTRICAL
SMCJ5.0 -
- -
SM
CJ188CA
BREAKDOWN VOLTAGE: 5.0 --- 188 V
PEAK PULSE POWER:
1500
W
TRANSIENT VOLTAGE SUPPRESSOR
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
1500
W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
Veryfast response time
High temperature soldering guaranteed:
250°C/10 seconds at terminals
DO-214AB(SMC)
7.5± 0.25
3.0± 0.15
8.3± 0.2
MECHANICAL DATA
Case:JEDEC DO-214AB 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: 0.007 ounces, 0.21 grams
Flammability: Epoxy is rated UL 94V-0
2.4± 0.2
0.203MAX
1.5± 0.25
0.25± 0.06
Dimensions in millimeters
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMCJ10C, SMCJ10CA). Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
SYMBOL
Peak pow er dissipation w ith a 10/1000μs waveform (NOTE 1,2, FIG.1)
Peak pulse current w ith a 10/1000μs waveform (NOTE 1)
Peak forward surge current, 8.3ms single half sine-w ave
ffff
uni-directional only( (NOTE 2)
Typical thermal resistance, junction to ambient( (NOTE 3)
Typical thermal resistance, junction to lead
Operating junction and storage temperature range
NOTES: (1) Non-repetitive current pules, per Fig. 3 and derated above TA=25
℃
per Fig . 2.
(2) Mounted on 0.2 x 0.2" ( 5.0 x 5.0mm
)
copper pads to each terminal.
(3) Mounted on minimum recommended pad layout.
VALUE
Minimum
1500
See Table Below
5.8± 0.3
UNIT
W
A
P
PPM
I
PPM
I
FSM
R
θJA
R
θJL
T
J
, T
STG
200.0
100.0
20
-55---+150
A
/W
/W
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Document Number 0285009
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
PEAK PULSE POWER
(Ppp)
OR CURRENT
SMCJ5.0 -
- -
SMCJ188CA
FIG.1 -- PEAK PULSE POWER RATING CURVE
100
FIG.2 -- PULSE DERATING CURVE
DERATING IN PERCENTAGE, %
100
P
PPM
, PEAK PULSE POWER, KW
NON-REPETITIVE
PULSE WAVEFORM
SHOWN IN FIG.3
TA=25
75
10
50
1.0
0.2 x 0.2" (0.5 x 0.5mm)
Copper Pad Areas
25
(I
PPM
)
0.1
0.1μs
0
1.0μs
10μs
100μs
1ms
10ms
0
25
50
75
100
125
150
175
200
td, PULSE WIDTH, SEC.
T
A
, AMBIENT TEMPERATURE.
FIG.3 -- PULSE WAVEFORM
150
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
H HHHHHHH
UNIDIRECTIONAL
6,000
C
J
, JUNCTION CAPACITANCE, pF
I
PPM
, PEAK PULSE CURRENT, %
tr=10
sec
PEAK VALUE
I
PPM
100
PULES WIDTH (td)
is DEFINDE as the
POINT WHERE the
PEAK CURRENT
DECAYS to 50% of
I
PPM
Measured at
Zero Bias
1,000
50
HALF VALUE - I
PPM
2
10/1000µ
s
WAVEFORM as
DEFINED by
R.E.A.
100
V
R
, Measured at
Stand-Off
Voltage, V
WM
td
0
0
1.0
2.0
3.0
4.0
T
J
=25
f=1.0MHZ
Vsig=50mVp-p
10
1.0
10
100
200
t, TIME, ms
V
(BR)
, BREAKDOWN VOLTAGE, V
FIG.5 -- TYPICAL TRANSIENT THERMAL IMPEDANCE
I
FSM
, PEAK FORWARD SURGE CURRENT, A
FIG.6 -- MAXIMUM NON-REPETITIVE PEAK FORWARD
HHHH H
SURGE CURRENT
TRANSLENT THERMAL IMPEDANCE
1000
200
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-MAVE
(JEDEC METHOD)
100
100
/W )
50
10
(
1
0.001
10
0.01
0.1
1
10
100
1000
1
10
100
tp — PULSE DURATION, SEC
NUMBER OF CYCLES AT 60 Hz
www.galaxycn.com
Document Number 0285009
BL
GALAXY ELECTRICAL
4.
DIY/Open Source Hardware
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