AN
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PL
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AE
**
Features
Applications
Surface Mount SMC package
Standoff Voltage: 12 to 58 volts
Power Dissipation: 3000 watts
RoHS compliant*
■ AEC-Q101 compliant**
■ Typical temperature coefficient:
ΔVBR = 0.1 % x VBR @ 25 °C x ΔT
■
■
■
■
■
■
■
■
■
■
Protection of power buses
Protection of I/O interfaces
Overvoltage transient protection
Entertainment applications
Comfort applications
Telecom, computer, industrial and
consumer electronics applications
SMLJ-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-214AB (SMC) 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.
Additional Information
Click these links for more information:
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
Bourns® Chip Diodes conform to JEDEC standards, are easy to handle with standard pick
and place equipment and the flat configuration minimizes roll away.
CONTACT
Agency Recognition
Description
UL
File Number: E153537
Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)
Parameter
Symbol
Value
Unit
Minimum Peak Pulse Power Dissipation (TP = 1 ms) (Note 1,2)
PPK
3000
Watts
Peak Forward Surge Current
8.3 ms Single Half Sine Wave Superimposed on Rated Load
(JEDEC Method) (Note 3)
IFSM
300
Amps
TJ
-55 to +150
°C
TSTG
-55 to +150
°C
Operating Temperature Range
Storage Temperature Range
1.
2.
3.
Non-repetitive current pulse, per Pulse Waveform graph and derated above TA = 25 °C per Pulse Derating Curve.
Mounted on 5.0 mm2 (0.03 mm thick) copper pads to each terminal.
8.3 ms Single Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only).
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • 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 2015/863, Mar 31, 2015 and Annex.
**”Q” part number suffix for automotive and other applications requiring appropriate 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.
SMLJ-Q Transient Voltage Suppressor Diode Series
Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)
Unidirectional Device
Bidirectional Device
Part
Number
Part
Marking
Part
Number
SMLJ12A-Q
SMLJ13A-Q
SMLJ14A-Q
SMLJ15A-Q
SMLJ16A-Q
SMLJ17A-Q
SMLJ18A-Q
SMLJ20A-Q
SMLJ22A-Q
SMLJ24A-Q
SMLJ26A-Q
SMLJ28A-Q
SMLJ30A-Q
SMLJ33A-Q
SMLJ36A-Q
SMLJ40A-Q
SMLJ43A-Q
SMLJ45A-Q
SMLJ48A-Q
SMLJ51A-Q
SMLJ54A-Q
SMLJ58A-Q
HEEQ
HEGQ
HEKQ
HEMQ
HEPQ
HERQ
HETQ
HEVQ
HEXQ
HEZQ
HFEQ
HFGQ
HFKQ
HFMQ
HFPQ
HFRQ
HFTQ
HFVQ
HFXQ
HFZQ
HGEQ
HGGQ
SMLJ12CA-Q
SMLJ13CA-Q
SMLJ14CA-Q
SMLJ15CA-Q
SMLJ16CA-Q
SMLJ17CA-Q
SMLJ18CA-Q
SMLJ20CA-Q
SMLJ22CA-Q
SMLJ24CA-Q
SMLJ26CA-Q
SMLJ28CA-Q
SMLJ30CA-Q
SMLJ33CA-Q
SMLJ36CA-Q
SMLJ40CA-Q
SMLJ43CA-Q
SMLJ45CA-Q
SMLJ48CA-Q
SMLJ51CA-Q
SMLJ54CA-Q
SMLJ58CA-Q
Working Maximum Maximum
Peak
Reverse Clamping
Voltage
Reverse Leakage
@ Ipp
Voltage @ VRWM
Breakdown
Voltage
VBR (Volts)
Part
@ IT
Min. Max.
Marking
(mA)
IEEQ
IEGQ
IEKQ
IEMQ
IEPQ
IERQ
IETQ
IEVQ
IEXQ
IEZQ
IFEQ
IFGQ
IFKQ
IFMQ
IFPQ
IFRQ
IFTQ
IFVQ
IFXQ
IFZQ
IGEQ
IGGQ
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
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Peak
Pulse
Current
Maximum
Clamping
Voltage
@ Ipp
Maximum
Peak
Pulse
Current
(10/1000 μs)
(10/1000 μs)
(8/20 μs)
(8/20 μs)
VRWM
(Volts)
IR
(μA)
Vc
(V)
Ipp
(A)
Vc
(V)
Ipp
(A)
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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
150.60
139.40
129.40
123.00
115.40
106.60
102.80
92.60
84.40
77.20
71.20
66.00
62.00
56.20
51.60
46.40
43.20
41.20
38.80
36.40
34.40
32.00
25.90
28.00
30.20
31.70
33.80
35.90
38.00
42.10
46.20
50.60
54.70
59.00
62.90
69.30
75.50
83.90
90.20
94.50
100.60
107.10
113.20
121.70
754.00
697.50
646.50
615.00
577.00
543.50
513.50
463.00
422.50
385.50
356.50
330.50
310.00
281.50
258.00
232.50
216.00
206.50
194.00
182.00
172.00
160.50
Notes:
1. Suffix ‘A’ denotes a 5 % tolerance unidirectional device.
2. Suffix ‘CA’ denotes a 5 % tolerance bidirectional device.
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.
SMLJ-Q Transient Voltage Suppressor Diode Series
Performance Graphs
Maximum Non-Repetitive Surge Current
100
IFSM - Peak Forward Surge Current (Amps)
Peak Pulse Power Derating in Percent of
Peak Power or Current
Peak Pulse Power Derating Curve
75
50
25
10 x 1000 Waveform as Defined
by R.E.A.
0
25
0
75
50
100
125
150
350
300
250
200
150
100
Pulse Width 8.3 ms
Single Half Sine-Wave
50
0
1
10
Pulse Waveform
Typical Junction Capacitance
100000
TR=10 µs
IP, Peak Pulse Current (%)
Half value=
CJ - Junction Capacitance (pF)
Peak value (IRSM)
100
IRSM
2
Pulse width (TP)
is defined as that point
where the peak current
decays to 50 % of IPSM.
50
10 x 1000 waveform
as defined by R.E.A.
TA=25 °C
TP
0
2.0
1.0
3.0
Bidirectional
v-0v
10000
100
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
10
10
1
100
1000
VBR - Reverse Breakdown Voltage (V)
Pulse Rating Curve
Steady State Power Derating Curve
Steady State Power Dissipation (W)
100
PPPM - Peak Pulse Power (kW)
Bidirectional
@ VR
1
4.0
T, Time (ms)
10
TA = 25 °C
Non-repetitive
Pulse Waveform
Shown in Pulse Waveform Graph
0.1
0.1 µs
Unidirectional
v-0v
Unidirectional
@ VR
1000
0
1.0
100
Number of Cycles at 60 Hz
Ambient Temperature (°C)
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0 µs
10 µs
100 µs
TP - Pulse Width
1.0 ms
10 ms
0
25
50
75
100
125
150
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.
SMLJ-Q Transient Voltage Suppressor Diode Series
Product Dimensions
Recommended Footprint
a
A
B
b
C
c
G
Dimension
a (Max.)
F
H
D
E
b (Min.)
c (Min.)
Dimension
A
B
C
D
E
F
G
H
SMC (DO-214AB)
6.60 - 7.11
(0.260 - 0.280)
5.59 - 6.22
(0.220 - 0.245)
2.90 - 3.20
(0.114 - 0.126)
0.15 - 0.31
(0.006 - 0.012)
7.75 - 8.13
(0.305 - 0.320)
0.203
MAX.
(0.008)
2.00 - 2.62
(0.079 - 0.103)
0.76 - 1.52
(0.030 - 0.060)
DIMENSIONS:
SMC (DO-214AB)
4.69
(0.185)
3.07
(0.121)
1.52
(0.060)
DIMENSIONS:
MM
(INCHES)
Physical Specifications
Case ............................................ Molded plastic per UL Class 94V-0
Polarity.........................Cathode band indicates unidirectional device
No cathode band indicates bidirectional device
How to Order
SMLJ 12 CA - Q
Package
SMLJ = SMC/DO-214AB
Working Peak Reverse Voltage
12 = 12 VRWM (Volts)
Suffix
A = 5 % Tolerance Unidirectional Device
CA = 5 % Tolerance Bidirectional Device
MM
(INCHES)
AEC-Q101 Suffix
Q = AEC-Q101 Compliant, 13-inch Reel
QH = AEC-Q101 Compliant, 7-inch Reel
Typical Part Marking
MANUFACTURER’S
TRADEMARK
YWW
XXX
DATE CODE:
Y = LAST
DIGIT OF
YEAR
WW = WEEK
NUMBER
Environmental Specifications
Moisture Sensitivity Level ................................................................. 1
ESD Classification (HBM)...............................................................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.
SMLJ-Q Transient Voltage Suppressor Diode Series
Packaging Information
The product will be dispensed in tape and reel format (see diagram below).
P
0
P
1
d
T
E
Index Hole
120 °
F
D2
W
B
D1 D
P
A
Unidirectional
Product
Orientation
Trailer
.......
.......
End
C
Device
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min.)
W1
Start
DIMENSIONS:
10 pitches (min.)
Devices are packed in accordance with EIA standard
RS-481-A and specifications shown here.
Direction of Feed
Item
Symbol
Carrier Width
A
Carrier Length
B
Carrier Depth
C
Sprocket Hole
d
Reel Outside Diameter
D
Reel Inner Diameter
D1
Feed Hole Diameter
D2
Sprocket Hole Position
E
Punch Hole Position
F
Punch Hole Pitch
P
Sprocket Hole Pitch
P0
Embossment Center
P1
Overall Tape Thickness
T
Tape Width
W
Reel Width
W1
Quantity per Reel
--
MM
(INCHES)
SMC (DO-214AB)
7-Inch Reel
13-Inch Reel
6.0 ± 2.0
(0.236 - 0.079)
8.3 ± 0.20
(0.327 ± 0.008)
2.5 ± 0.20
(0.098 ± 0.008)
1.50 ± 0.10
(0.059 ± 0.004)
178
(7.008)
330
(12.992)
50.0
MIN.
(1.969)
13.0 +0.50/-0.20
(0.512 +0.020/-0.008)
1.75 ± 0.10
(0.069 ± 0.004)
7.50 ± 0.10
(0.295 ± 0.004)
8.00 ± 0.10
(0.315 ± 0.004)
4.00 ± 0.10
(0.157 ± 0.004)
2.00 ± 0.10
(0.079 ± 0.004)
0.30 ± 0.10
(0.012 ± 0.004)
16.00 ± 0.30
(0.630 ± 0.012)
22.4
MAX.
(0.882)
500
3000
REV. 02/21
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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