PL
IA
N
Features
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Applications
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T
Surface Mount SMB package
Standoff Voltage: 12 to 58 volts
Power Dissipation: 600 watts
RoHS compliant*
AEC-Q101 compliant**
Protection of power buses
Protection of I/O interfaces
Overvoltage transient protection
Telecom, computer, industrial and
consumer electronics applications
*R
oH
S
CO
M
SMBJ-Q Transient Voltage Suppressor Diode Series
General Information
Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection applications, in compact chip package DO-214AA (SMB)
size format. The Transient Voltage Suppressor series offers a choice of Working Peak Reverse Voltage from 12 V up to 58 V. Typical fast
response times are less than 1.0 picosecond from 0 V to Breakdown Voltage.
Bourns
®
minimizes roll away.
Electrical Characteristics (@ T
A
= 25 °C Unless Otherwise Noted)
Parameter
Minimum Peak Pulse Power Dissipation (TP = 1 ms)
(Note 1,2)
Peak Forward Surge Current
8.3 ms Single Half Sine Wave Superimposed on Rated Load
(JEDEC Method)
(Note 3)
Operating Temperature Range
Storage Temperature Range
1.
2.
3.
Symbol
P
PK
I
FSM
T
J
T
STG
Value
600
100
-55 to +150
-55 to +150
Unit
Watts
Amps
°C
°C
Non-repetitive current pulse, per Pulse Waveform graph and derated above TA = 25 °C per Pulse Derating Curve.
Mounted on 5.0 mm
2
(0.03 mm thick) copper pads to each terminal.
8.3 ms Single Half-Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only).
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA:
Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
WARNING Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**”Q” part number suffix indicates AEC-Q101 compliance.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf
SMBJ-Q Transient Voltage Suppressor Diode Series
Electrical Characteristics (@ T
A
= 25 °C Unless Otherwise Noted)
Unidirectional Device
Bidirectional Device
Breakdown Voltage
V
BR
(Volts)
Working
Peak
Reverse
Voltage
Maximum
Reverse
Leakage
@ V
RWM
Maximum
Reverse
Voltage
@ I
RSM
Maximum
Reverse
Surge
Current
Part No.
SMBJ12A-Q
SMBJ13A-Q
SMBJ14A-Q
SMBJ15A-Q
SMBJ16A-Q
SMBJ17A-Q
SMBJ18A-Q
SMBJ20A-Q
SMBJ22A-Q
SMBJ24A-Q
SMBJ26A-Q
SMBJ28A-Q
SMBJ30A-Q
SMBJ33A-Q
SMBJ36A-Q
SMBJ40A-Q
SMBJ43A-Q
SMBJ45A-Q
SMBJ48A-Q
SMBJ51A-Q
SMBJ54A-Q
SMBJ58A-Q
Notes: 1.
2.
Marking
LEQ
LGQ
LKQ
LMQ
LPQ
LRQ
LTQ
LVQ
LXQ
LZQ
MEQ
MGQ
MKQ
MMQ
MPQ
MRQ
MTQ
MVQ
MXQ
MZQ
NEQ
NGQ
Part No.
SMBJ12CA-Q
SMBJ13CA-Q
SMBJ14CA-Q
SMBJ15CA-Q
SMBJ16CA-Q
SMBJ17CA-Q
SMBJ18CA-Q
SMBJ20CA-Q
SMBJ22CA-Q
SMBJ24CA-Q
SMBJ26CA-Q
SMBJ28CA-Q
SMBJ30CA-Q
SMBJ33CA-Q
SMBJ36CA-Q
SMBJ40CA-Q
SMBJ43CA-Q
SMBJ45CA-Q
SMBJ48CA-Q
SMBJ51CA-Q
SMBJ54CA-Q
SMBJ58CA-Q
Marking
BEQ
BGQ
BKQ
BMQ
BPQ
BRQ
BTQ
BVQ
BXQ
BZQ
CEQ
CGQ
CKQ
CMQ
CPQ
CRQ
CTQ
CVQ
CXQ
CZQ
DEQ
DGQ
Min.
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40.0
44.4
47.8
50.0
53.3
56.7
60.0
64.4
Max.
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
@ I
T
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
V
RWM
(V)
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
I
R
(μA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
V
RSM
(V)
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
I
RSM
(A)
30.2
28.0
25.9
24.6
23.1
21.8
20.6
18.6
16.9
15.5
14.3
13.3
12.4
11.3
10.4
9.3
8.7
8.3
7.8
7.3
6.9
6.5
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ-Q Transient Voltage Suppressor Diode Series
Performance Graphs
Peak Pulse Power Derating Curve
Peak Pulse Power Derating in Percent of
Peak Power or Current
100
Maximum Non-Repetitive Surge Current
Peak Forward Surge Current (Amps)
120
100
80
60
40
20
0
Pulse Width 8.3 ms
Single Half Sine-Wave
75
50
25
10 x 1000 Waveform as Defined
by R.E.A.
0
0
25
50
75
100
125
150
Ambient Temperature ( °C)
1
2
5
10
20
50
100
Number of Cycles at 60 Hz
Pulse Waveform
TR=10 µs
IRSM
2
Pulse width (TP)
is defined as that point
where the peak current
decays to 50 % of IPSM.
TA=25 °C
TP
10 x 1000 waveform
as defined by R.E.A.
Typical Junction Capacitance
10000
Bidirectional
v-0v
Unidirectional
@ VR
Unidirectional
v-0v
CJ - Junction Capacitance (pF)
100
IP, Peak Pulse Current (%)
Peak value (IRSM)
Half value=
1000
100
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
50
10
Bidirectional
@ VR
0
0
1.0
2.0
T, Time (ms)
3.0
4.0
1
1
10
100
1000
VBR - Reverse Breakdown Voltage (V)
Pulse Rating Curve
100
Steady State Power Derating Curve
5.0
Steady State Power Dissipation (W)
10 ms
TA = 25 °C
Non-repetitive
Pulse Waveform
Shown in Pulse Waveform Graph
4.0
PP, Peak Power (KW)
10
3.0
2.0
1.0
5.0 mm Lead Areas
1.0
0.1
0.1 µs
0.0
1.0 µs
10 µs
100 µs
1.0 ms
0
25
50
75
100
125
150
TP, Pulse Width
TL - Lead Temperature (°C)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ-Q Transient Voltage Suppressor Diode Series
Product Dimensions
A
Recommended Footprint
A
B
C
B
C
G
Dimension
A (Max.)
H
F
E
D
B (Min.)
C (Min.)
Dimension
A
B
C
D
E
F
G
H
SMB (DO-214AA)
4.06 - 4.57
(0.160 - 0.180)
3.30 - 3.94
(0.130 - 0.155)
1.95 - 2.20
(0.077 - 0.087)
0.15 - 0.31
(0.006 - 0.112)
5.21 - 5.59
(0.205 - 0.220)
0.203
MAX.
(0.008)
2.13 - 2.44
(0.080 - 0.103)
0.76 - 1.52
(0.030 - 0.060)
MM
(INCHES)
SMB (DO-214AA)
2.69
(0.106)
2.10
(0.083)
1.27
(0.050)
MM
(INCHES)
DIMENSIONS:
Case ...........................................Molded plastic per UL Class 94V-0
Polarity....................... Cathode band indicates unidirectional device
No cathode band indicates bidirectional device
How to Order
SMBJ 12 CA - Q
Package
SMBJ = SMB/DO-214AA
Working Peak Reverse Voltage
12 = 12 VRWM (Volts)
A = 5 % Tolerance Unidirectional Device
CA = 5 % Tolerance Bidirectional Device
Q = AEC-Q101 Compliant, 13-inch Reel
QH = AEC-Q101 Compliant, 7-inch Reel
DIMENSIONS:
Typical Part Marking
MANUFACTURER’S
TRADEMARK
DATE CODE:
Y = LAST
DIGIT OF
YEAR
WW = WEEK
NUMBER
YWW
XXX
Moisture Sensitivity Level ................................................................1
............................................................. 3B
DEVICE ID
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
CDDFN5-0504N - TVS/Steering Diode Array Series
SMBJ-Q Transient Voltage Suppressor Diode
Packaging Information
The product will be dispensed in tape and reel format (see diagram below).
P
0
P
1
d
E
Index Hole
T
120 °
F
W
B
D2
D1 D
P
Trailer
A
Device
C
Leader
End
.......
.......
10 pitches (min.)
.......
.......
.......
.......
.......
.......
10 pitches (min.)
W1
Start
DIMENSIONS:
MM
(INCHES)
Devices are packed in accordance with EIA 481
Direction of Feed
Item
Carrier Width
Carrier Length
Carrier Depth
Sprocket Hole
Reel Outside Diameter
Reel Inner Diameter
Feed Hole Diameter
Sprocket Hole Position
Punch Hole Position
Punch Hole Pitch
Sprocket Hole Pitch
Embossment Center
Overall Tape Thickness
Tape Width
Reel Width
Quantity per Reel
Symbol
A
B
C
d
D
D1
D2
E
F
P
P0
P1
T
W
W1
--
SMB (DO-214AA)
7-Inch Reel
3.67 ± 0.20
(0.144 ± 0.008)
5.60 ± 0.20
(0.220 ± 0.008)
2.57 ± 0.20
(0.101 ± 0.008)
1.50 ± 0.10
(0.059 ± 0.004)
178
(7.008)
50.0
MIN.
(1.969)
13.0 ± 0.20
(0.512 ± 0.008)
1.75 ± 0.10
(0.069 ± 0.004)
5.50 ± 0.05
(0.217 ± 0.002)
8.00 ± 0.10
(0.315 ± 0.004)
4.00 ± 0.10
(0.157 ± 0.004)
2.00 ± 0.05
(0.079 ± 0.002)
0.30 ± 0.10
(0.012 ± 0.004)
12.00 ± 0.30
(0.472 ± 0.012)
18.4
MAX.
(0.724)
500
3,000
330
(12.992)
13-Inch Reel
REV. 11/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
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