Surface Mount Transient Voltage Suppressors (TVS)
Revision July 17, 2020
1 / 7
@ SOCAY Electronics Corp., Ltd. 2020
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
SMBJ Series 3.3 To 440 V 600W
SOCAY Electronics Corp., Ltd. www.socay.com
Uni-directional
Bi-directional
The SMBJ series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
For surface mounted applications in order to optimize board space
Low leakage
Uni and Bidirectional unit
Glass passivated junction
Low inductance
Excellent clamping capability
600W Peak power capability at 10 × 1000µs waveform Repetition rate
(duty cycle):0.01%
Fast response time: typically less than 1.0ps from 0 Volts to V
BR
min
Typical I
R
less than 5μA above 12V.
High Temperature soldering: 260°C/40 seconds at terminals
Typical maximum temperature coefficient ΔV
BR
= 0.1% ×
V
BR
@25°C× ΔT
Plastic package has Underwriters Laboratory Flammability 94V-0
Matte tin lead–free Plated
Halogen free and RoHS compliant
Typical failure mode is short from over-specified voltage or current
Whisker test is conducted based on JEDEC JESD201A per its table
4a and 4c
IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)
ESD protection of data lines in accordance with IEC 61000-4-2
(IEC801-2)
EFT protection of data lines in accordance with IEC 61000-4-4
(IEC801-4)
AGENCY
AGENCY FILE NUMBER
E341027
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note
1), (Note 2)
P
PPM
600
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)
5.0
Watt
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)
I
FSM
100
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
℃
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25℃ 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
Agency Approvals
Applications
Maximum Ratings (T
A
=25℃ unless otherwise noted)
Description
Features
Bi-directional
Uni-direction
Cathode
Anode
Surface Mount Transient Voltage Suppressors (TVS)
Revision July 17, 2020
2 / 7
@ SOCAY Electronics Corp., Ltd. 2020
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
SMBJ Series 3.3 To 440 V 600W
SOCAY Electronics Corp., Ltd. www.socay.com
Part Number
Marking
Reverse
Stand-Off
Voltage
V
RWM
(V)
Breakdown
Voltage V
BR
(V)
@I
T
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
(μA)
Uni
Bi
Uni
Bi
MIN
MAX
SMBJ3.3A
—
K1
—
3.3
5.20
6.50
10
8.0
75.00
600
SMBJ5.0A
SMBJ5.0CA
KE
AE
5.0
6.40
7.00
10
9.2
65.22
800
SMBJ6.0A
SMBJ6.0CA
KG
AG
6.0
6.67
7.37
10
10.3
58.25
800
SMBJ6.5A
SMBJ6.5CA
KK
AK
6.5
7.22
7.98
10
11.2
53.57
500
SMBJ7.0A
SMBJ7.0CA
KM
AM
7.0
7.78
8.60
10
12.0
50.00
200
SMBJ7.5A
SMBJ7.5CA
KP
AP
7.5
8.33
9.21
1
12.9
46.51
100
SMBJ8.0A
SMBJ8.0CA
KR
AR
8.0
8.89
9.83
1
13.6
44.12
50
SMBJ8.5A
SMBJ8.5CA
KT
AT
8.5
9.44
10.40
1
14.4
41.67
10
SMBJ9.0A
SMBJ9.0CA
KV
AV
9.0
10.00
11.10
1
15.4
38.96
5
SMBJ10A
SMBJ10CA
KX
AX
10.0
11.10
12.30
1
17.0
35.29
5
SMBJ11A
SMBJ11CA
KZ
WZ
11.0
12.20
13.50
1
18.2
32.97
5
SMBJ12A
SMBJ12CA
LE
BE
12.0
13.30
14.70
1
19.9
30.15
5
SMBJ13A
SMBJ13CA
LG
BG
13.0
14.40
15.90
1
21.5
27.91
5
SMBJ14A
SMBJ14CA
LK
BK
14.0
15.60
17.20
1
23.2
25.86
5
SMBJ15A
SMBJ15CA
LM
BM
15.0
16.70
18.50
1
24.4
24.59
5
SMBJ16A
SMBJ16CA
LP
BP
16.0
17.80
19.70
1
26.0
23.08
5
SMBJ17A
SMBJ17CA
LR
BR
17.0
18.90
20.90
1
27.6
21.74
5
SMBJ18A
SMBJ18CA
LT
BT
18.0
20.00
22.10
1
29.2
20.55
5
SMBJ19A
SMBJ19CA
LB
BB
19.0
21.10
23.30
1
30.8
19.49
5
SMBJ20A
SMBJ20CA
LV
BV
20.0
22.20
24.50
1
32.4
18.52
5
SMBJ22A
SMBJ22CA
LX
BX
22.0
24.40
26.90
1
35.5
16.90
5
SMBJ24A
SMBJ24CA
LZ
BZ
24.0
26.70
29.50
1
38.9
15.42
5
SMBJ26A
SMBJ26CA
ME
CE
26.0
28.90
31.90
1
42.1
14.25
5
SMBJ28A
SMBJ28CA
MG
CG
28.0
31.10
34.40
1
45.4
13.22
5
SMBJ30A
SMBJ30CA
MK
CK
30.0
33.30
36.80
1
48.4
12.40
5
SMBJ33A
SMBJ33CA
MM
CM
33.0
36.70
40.60
1
53.3
11.26
5
SMBJ36A
SMBJ36CA
MP
CP
36.0
40.00
44.20
1
58.1
10.33
5
SMBJ40A
SMBJ40CA
MR
CR
40.0
44.40
49.10
1
64.5
9.30
5
SMBJ43A
SMBJ43CA
MT
CT
43.0
47.80
52.80
1
69.4
8.65
5
Electrical Characteristics (T
A
=25℃ unless otherwise noted)