Surface Mount Transient Voltage Suppressors (TVS)
Revision April 24, 2018
1 / 7
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
SMCJ Series 5.0 To 440 V 1500W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
The SMCJ series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
Uni-directional Bi-directional
u For surface mounted applications in order to optimize board space
u Low leakage
u Uni and Bidirectional unit
u Glass passivated junction
u Low inductance
u Excellent clamping capability
u 1500W Peak power capability at 10 × 1000µs waveform Repetition
rate (duty cycle):0.01%
u Fast response time: typically less than 1.0ps from 0 Volts to V
BR
min
u Typical I
R
less than 5μA above 12V.
u High Temperature soldering: 260°C/40 seconds at terminals
u Typical maximum temperature coefficient ΔV
BR
= 0.1% ×
V
BR
@25°C× ΔT
u Plastic package has Underwriters Laboratory Flammability 94V-0
u Matte tin lead–free Plated
u Halogen free and RoHS compliant
u Typical failure mode is short from over-specified voltage or current
u Whisker test is conducted based on JEDEC JESD201A per its table
4a and 4c
u IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)
u ESD protection of data lines in accordance with IEC 61000-4-2
(IEC801-2)
u EFT protection of data lines in accordance with IEC 61000-4-4
(IEC801-4)
TVS devices are ideal for the protection of I/O interfaces, V
CC
bus and other vulnerable circuits used in Telecom, Computer,
Industrial and Consumer electronic applications.
Parameter Symbol Value Unit
Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note
1), (Note 2)
P
PPM
1500 Watts
Peak Pulse Current with a 10/1000µs waveform.(Note1,Fig.3) I
PP
See Next Table Amps
Power Dissipation on Infinite Heat Sink at T
L
=75°C P
M(AV)
6.5 Watt
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) I
FSM
200 Amps
Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only
(Note 4)
V
F
3.5/5.0 Voltage
Operating junction and Storage Temperature Range. T
J
, T
STG
-55 to +150 °C
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25°C per Fig. 2.
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
4. V
F
< 3.5V for V
BR
< 200V and V
F
< 6.5V for V
BR
> 201V.
Functional Diagram
Applications
Maximum Ratings
(T
A
=25
℃
un
less otherwise noted)
Description
Features
Bi-directional
Uni-direction
Cathode
Anode
Surface Mount Transient Voltage Suppressors (TVS)
Revision April 24, 2018
2 / 7
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
SMCJ Series 5.0 To 440 V 1500W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
Part Number Marking
Breakdown
Voltage V
BR
(V)
@I
T
Uni Bi Uni Bi
Reverse
Stand-Off
Voltage
V
RWM
(V)
MIN MAX
Test
Current
I
T
(mA)
Maximum
Clamping
Voltage
V
C
@I
PP
(V)
Maximum
Peak
Pulse
Current
I
PP
(A)
Maximum
Reverse
Leakage I
R
@V
RWM
(μ
A
)
SMCJ5.0 SMCJ5.0C GDD BDD 5.0 6.40
7.30
7.37
10 9.6 156.25 1000
SMCJ5.0A SMCJ5.0CA
GDE BDE 5.0 6.40
7.00
7.37
10 9.2 163.04 1000
SMCJ6.0
SMCJ6.0C
GDF BDF
6.0
6.67 8.15 10 11.4 131.58 1000
SMCJ6.0A
SMCJ6.0CA
GDG BDG
6.0
6.67 7.37 10 10.3 145.63 1000
SMCJ6.5 SMCJ6.5C GDH BDH 6.5 7.22 8.82 10 12.3 121.95 500
SMCJ6.5A SMCJ6.5CA
GDK BDK 6.5 7.22 7.98 10 11.2 133.93 500
SMCJ7.0 SMCJ7.0C GDL BDL 7.0 7.78 9.51 10 13.3 112.78 200
SMCJ7.0A SMCJ7.0CA
GDM BDM 7.0 7.78 8.60 10 12.0 125.00 200
SMCJ7.5 SMCJ7.5C GDN BDN 7.5 8.33 10.20 1 14.3 104.90 100
SMCJ7.5A SMCJ7.5CA
GDP BDP 7.5 8.33 9.21 1 12.9 116.28 100
SMCJ8.0
SMCJ8.0C
GDQ BDQ
8.0
8.89 10.90 1 15.0 100.00 50
SMCJ8.0A
SMCJ8.0CA
GDR BDR
8.0
8.89 9.83 1 13.6 110.29 50
SMCJ8.5 SMCJ8.5C GDS BDS 8.5 9.44 11.50 1 15.9 94.34 20
SMCJ8.5A SMCJ8.5CA
GDT BDT 8.5 9.44 10.40 1 14.4 104.17 20
SMCJ9.0 SMCJ9.0C GDU BDU 9.0 10.00 12.20 1 16.9 88.76 10
SMCJ9.0A SMCJ9.0CA
GDV BDV 9.0 10.00 11.10 1 15.4 97.40 10
SMCJ10 SMCJ10C GDW
BDW 10.0 11.10 13.60 1 18.8 79.79 5
SMCJ10A SMCJ10CA GDX BDX 10.0 11.10 12.30 1 17.0 88.24 5
SMCJ11 SMCJ11C GDY BDY 11.0 12.20 14.90 1 20.1 74.63 5
SMCJ11A SMCJ11CA GDZ BDZ 11.0 12.20 13.50 1 18.2 82.42 5
SMCJ12 SMCJ12C GED BED 12.0 13.30 16.30 1 22.0 68.18 5
SMCJ12A SMCJ12CA GEE BEE 12.0 13.30 14.70 1 19.9 75.38 5
SMCJ13 SMCJ13C GEF BEF 13.0 14.40 17.60 1 23.8 63.03 5
SMCJ13A SMCJ13CA GEG BEG 13.0 14.40 15.90 1 21.5 69.77 5
SMCJ14 SMCJ14C GEH BEH 14.0 15.60 19.10 1 25.8 58.14 5
SMCJ14A SMCJ14CA GEK BEK 14.0 15.60 17.20 1 23.2 64.66 5
SMCJ15 SMCJ15C GEL BEL 15.0 16.70 20.40 1 26.9 55.76 5
SMCJ15A SMCJ15CA GEM BEM 15.0 16.70 18.50 1 24.4 61.48 5
SMCJ16 SMCJ16C GEN BEN 16.0 17.80 21.80 1 28.8 52.08 5
SMCJ16A SMCJ16CA GEP BEP 16.0 17.80 19.70 1 26.0 57.69 5
SMCJ17 SMCJ17C GEQ BEQ 17.0 18.90 23.10 1 30.5 49.18 5
SMCJ17A SMCJ17CA GER BER 17.0 18.90 20.90 1 27.6 54.35 5
SMCJ18 SMCJ18C GES BES 18.0 20.00 24.40 1 32.2 46.58 5
SMCJ18A SMCJ18CA GET BET 18.0 20.00 22.10 1 29.2 51.37 5
SMCJ19 SMCJ19C GEA BEA 19.0 21.13 25.76 1 34.0 44.10 5
SMCJ19A SMCJ19CA GEB BEB 19.0 21.10 23.30 1 30.8 48.73 5
SMCJ20 SMCJ20C GEU BEU 20.0 22.20 27.10 1 35.8 41.90 5
SMCJ20A SMCJ20CA GEV BEV 20.0 22.20 24.50 1 32.4 46.30 5
SMCJ22 SMCJ22C GEW
BEW 22.0 24.40 29.80 1 39.4 38.07 5
SMCJ22A SMCJ22CA GEX BEX 22.0 24.40 26.90 1 35.5 42.25 5
SMCJ24 SMCJ24C GEY BEY 24.0 26.70 32.60 1 43.0 34.88 5
SMCJ24A SMCJ24CA GEZ BEZ 24.0 26.70 29.50 1 38.9 38.56 5
SMCJ26 SMCJ26C GFD BFD 26.0 28.90 35.30 1 46.6 32.19 5
SMCJ26A SMCJ26CA GFE BFE 26.0 28.90 31.90 1 42.1 35.63 5
SMCJ28 SMCJ28C GFF BFF 28.0 31.10 38.00 1 50.0 30.00 5
SMCJ28A SMCJ28CA GFG BFG 28.0 31.10 34.40 1 45.4 33.04 5
SMCJ30 SMCJ30C GFH BFH 30.0 33.30 40.70 1 53.5 28.04 5
SMCJ30A SMCJ30CA GFK BFK 30.0 33.30 36.80 1 48.4 30.99 5
SMCJ33 SMCJ33C GFL BFL 33.0 36.70 44.90 1 59.0 25.42 5
SMCJ33A SMCJ33CA GFM BFM 33.0 36.70 40.60 1 53.3 28.14 5
SMCJ36 SMCJ36C GFN BFN 36.0 40.00 48.90 1 64.3 23.33 5
SMCJ36A SMCJ36CA GFP BFP 36.0 40.00 44.20 1 58.1 25.82 5
SMCJ40 SMCJ40C GFQ BFQ 40.0 44.40 54.30 1 71.4 21.01 5
SMCJ40A SMCJ40CA GFR BFR 40.0 44.40 49.10 1 64.5 23.26 5
SMCJ43 SMCJ43C GFS BFS 43.0 47.80 58.40 1 76.7 19.56 5
SMCJ43A SMCJ43CA GFT BFT 43.0 47.80 52.80 1 69.4 21.61 5
Electrical Characteristics
(T
A
=25
℃
unless otherw
ise noted)