Silicon Avalanche Diodes
1
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FEATURES
For surface mounted applications in order to optimize
board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Excellent clamping capability
Repetition Rate (duty cycle): 0.01%
Fast response time: typically less than 1.0ps from 0 Volts to
BV for unidirectional types
Typical IR less than 1 mA above 10V
High Temperature soldering: 250C/10 seconds at terminals
Plastic packages has Underwriters Laboratory
Flammability 94V-O
MECHANICAL CHARACTERISTICS
Case:JEDEC DO214AA. Molded plastic over glass passivated
junction
Terminal: Solder plated, solderable per MIL-STD-750
Method 2026
Polarity. Color band denotes positive end(cathode) except
Bidirectional
Standard Packaging: 12mm tape(EIA STF RS-481)
Weight: 0.003 ounce, 0.093 gram
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types SMBJ5.0 thru types
SMBJ110(e.g. SMBJ5.OC, SMBJ170CA)
Electrical characteristics apply in both directions
SMBJ Series
600W Surface Mount Transient Voltage Supressors
MAXIMUM RATINGS @25C AMBIENT TEMPERATURE
AND CHARACTERISTICS (unless otherwise noted)
PARAMETER
Peak pulse power Dissipation on
10/1000s waveform
(note 1,2, FIG.1)
Peak pulse current of on 10\1000s
waveform (note 1, FIG.3)
Peak forward Surge Current, 8.3ms
Single Half SIne Wave Superimposed
on Rated Load, (JEDEC Method)
(note 2.3)
Operating junction and Storage
Temperature Range
VALUE
Min
600
SEE TABLE 1
100
-55 to +150
-55 to +150
UNIT
Watts
Amps
Amps
C
Note 1. Non-repetitive current pulse, per Fig.3 and derated above
TA= 25C per Fig.2
Note 2. Mounted on 5.0mm2(0.03mm thick) Copper Pads to each
terminal
Note 3. 8.3 ms single half sine-wave, or equivalent square wave,
Duty cycle= 4 pulses per minute
SYMBOL
PPPM
IPPM
IPSM
Tj, TsTG
Silicon Avalanche Diodes
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Part
Number
(Uni)
Part
Number
(Bi)
Device Marking
Code
Breakdown
Voltage
V
BR
(Volts) @ I
T
Maximum
Reverse
Leakage
I
R
@ V
R
(A)
Maximum
Clamping
Voltage
V
C
@ I
PP
(Volts)
Maximum
Peak Pulse
Current
I
PP
(A)
SMBJ Series
ELECTRICAL SPECIFICATION @ Tamb 25C
600W Surface Mount Transient Voltage Supressors
SMBJ5.0A
SMBJ5.0CA KE
AE
5.0
6.40
7.00
10
9.2
65.3
800
SMBJ6.0A
SMBJ6.0CA
KG
AG
6.0
6.67
7.37
10
10.3 58.3 800
SMBJ6.5A
SMBJ6.5CA
KK
AK
6.5
7.22
7.98
10
11.2
53.6
500
SMBJ7.0A
SMBJ7.0CA
KM
AM
7.0
7.78
8.60
10
12.0
50.0
200
SMBJ7.5A
SMBJ7.5CA
KP
AP
7.5
8.33
9.21
1
12.9
46.6
100
SMBJ8.0A
SMBJ8.0CA
KR
AR
8.0
8.89
9.83
1
13.6
44.2
50
SMBJ8.5A
SMBJ8.5CA
KT
AT
8.5
9.44
10.40
1
14.4
41.7
20
SMBJ9.0A
SMBJ9.0CA
KV
AV
9.0
10.00
11.10
1
15.4
39.0
10
SMBJ10A
SMBJ10CA
KX
AX
10.0
11.10
12.30
1
17.0
35.3
5
SMBJ11A
SMBJ11CA
KZ
AZ
11.0
12.20
13.50
1
18.2
33.0
5
SMBJ12A
SMBJ12CA
LE
BE
12.0
13.30
14.70
1
19.9
30.2
5
SMBJ13A
SMBJ13CA
LG
BG
13.0
14.40
15.90
1
21.5
28.0
5
SMBJ14A
SMBJ14CA
LK
BK
14.0
15.60
17.20
1
23.2
25.9
5
SMBJ15A
SMBJ15CA
LM
BM
15.0
16.70
18.50
1
24.4
24.6
5
SMBJ16A
SMBJ16CA
LP
BP
16.0
17.80
19.70
1
26.0
23.1
5
SMBJ17A
SMBJ17CA
LR
BR
17.0
18.90
20.90
1
27.6
21.8
5
SMBJ18A
SMBJ18CA
LT
BT
18.0
20.00
22.10
1
29.2
20.6
5
SMBJ20A
SMBJ20CA
LV
BV
20.0
22.20
24.50
1
32.4
18.6
5
SMBJ22A
SMBJ22CA
LX
BX
22.0
24.40
26.90
1
35.5
16.9
5
SMBJ24A
SMBJ24CA
LZ
BZ
24.0
26.70
29.50
1
38.9
15.5
5
SMBJ26A
SMBJ26CA
ME
CE
26.0
28.90
31.90
1
42.1
14.3
5
SMBJ28A
SMBJ28CA
MG
CG
28.0
31.10
34.40
1
45.4
13.3
5
SMBJ30A
SMBJ30CA
MK
CK
30.0
33.30
36.80
1
48.4
12.4
5
SMBJ33A
SMBJ33CA
MM
CM
33.0
36.70
40.60
1
53.3
11.3
5
SMBJ36A
SMBJ36CA
MP
CP
36.0
40.00
44.20
1
58.1
10.4
5
SMBJ40A
SMBJ40CA
MR
CR
40.0
44.40
49.10
1
64.5
9.3
5
SMBJ43A
SMBJ43CA
MT
CT
43.0
47.80
52.80
1
69.4
8.7
5
SMBJ45A
SMBJ45CA
MV
CV
45.0
50.00
55.30
1
72.7
8.3
5
SMBJ48A
SMBJ48CA
MX
CX
48.0
53.30
58.90
1
77.4
7.8
5
SMBJ51A
SMBJ51CA
MZ
CZ
51.0
56.70
62.70
1
82.4
7.3
5
SMBJ54A
SMBJ54CA
NE
DE
54.0
60.00
66.30
1
87.1
6.9
5
SMBJ58A
SMBJ58CA
NG
DG
58.0
64.40
71.20
1
93.6
6.5
5
SMBJ60A
SMBJ60CA
NK
DK
60.0
66.70
73.70
1
96.8
6.2
5
SMBJ64A
SMBJ64CA
NM
DM
64.0
71.10
78.60
1
103.0
5.9
5
SMBJ70A
SMBJ70CA
NP
DP
70.0
77.80
86.00
1
113.0
5.3
5
SMBJ75A
SMBJ75CA
NR
DR
75.0
83.30
92.10
1
121.0
5.0
5
SMBJ78A
SMBJ78CA
NT
DT
78.0
86.70
95.80
1
126.0
4.8
5
SMBJ85A
SMBJ85CA
NV
DV
85.0
94.40
104.00
1
137.0
4.4
5
SMBJ90A
SMBJ90CA
NX
DX
90.0
100.00
111.00
1
146.0
4.1
5
SMBJ100A
SMBJ100CA
NZ
DZ
100.0
111.00
123.00
1
162.0
3.7
5
SMBJ110A
SMBJ110CA
PE
EE
110.0
122.00
135.00
1
177.0
3.4
5
SMBJ120A
SMBJ120CA
PG
EG
120.0
133.00
147.00
1
193.0
3.1
5
SMBJ130A
SMBJ130CA
PK
EK
130.0
144.00
159.00
1
209.0
2.9
5
SMBJ150A
SMBJ150CA
PM
EM
150.0
167.00
185.00
1
243.0
2.5
5
SMBJ160A
SMBJ160CA
PP
EP
160.0
178.00
197.00
1
259.0
2.3
5
SMBJ170A
SMBJ170CA
PR
ER
170.0
189.00
209.00
1
275.0
2.2
5
SMBJ180A
SMBJ180CA
PT
ET
180.0
201.00
222.00
1
292.0
2.1
5
SMBJ200A
SMBJ200CA
PV
EV
200.0
224.00
247.00
1
324.0
1.9
5
SMBJ220A
SMBJ220CA
PX
EX
220.0
246.00
272.00
1
356.0
1.7
5
SMBJ250A
SMBJ250CA
PZ
EZ
250.0
279.00
309.00
1
405.0
1.5
5
SMBJ300A
SMBJ300CA
QE
FE
300.0
335.00
371.00
1
486.0
1.3
5
SMBJ350A
SMBJ350CA
QG
FG
350.0
391.00
432.00
1
567.0
1.1
5
SMBJ400A
SMBJ400CA
QK
FK
400.0
447.00
494.00
1
648.0
0.9
5
SMBJ440A
SMBJ440CA
QM
FM
440.0
492.00
543.00
1
713.0
0.9
5
Reverse
Stand off
Voltage
V
R
(Volts)
UNI
BI
MIN
MAX
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
For parts without A , the VBR is + 10%
Test
Current
I
T
(mA)
3
w w w . l i t t e l f u s e . c o m
Silicon Avalanche Diodes
SMBJ Series
600W Surface Mount Transient Voltage Supressors
Ratings and Characteristic Curves TA=25C unless otherwise noted
Fig. 1 Peak Pulse Power Rating
Fig. 3 Pulse Waveform
Fig. 5- Typ. Transient Thermal Impedance
Fig. 6- Maximum Non-Repetitive Peak
Fig. 4- Typical Junction Capacitance
Fig. 2 Pulse Derating Curve
td- Pulse Width (sec.)
TA- Ambient Temperature (C)
P
PPM
- Peak Pulse Power (KW)
I PPM
- Peak Pulse Current, % I
RSM
Transient Thermal Impedance
(C/W)
I PSM
-Peak Forward Surge Current (A)
C
J
-Junction Capacitance (pF)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
0.1
s
1.0
s
10
s
100
s 1.0ms
10ms
0.1
1
10
100
0.2x0.2"(5.0x5.0mm)
Copper Pad Areas
0
0
0
0.1
1.0
10
100
50
100
150
1.0
2.0
3.0
4.0
0.001
0.01
0.1
1
10
100
1000
1
10
100
200
6000
1000
100
10
1.0
10
100
200
10
100
0
25
25
50
50
75
75
100
100
125 150 175 200
tp- Pulse Duration(sec)
Number of Cycles at 60Hz
VWM-Reverse Stand-Off Voltage (V)
Forward Surge Current
tr=10sec
Peak Value
IPPM
Half Value IPPM
2
TJ=25C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000
sec. Waveform
as defined by R.E.A
td
8.3 Single Half Sine-Wave
(JEDEC Method)
Undirectional Only
Measured at
Zero Bias
Uni-Directional
Bi-Directional
TJ=25C
f=1.0MHZ
Vsig=50mVp-p
VR, Measured at
Stand-Off
Voltage, VWM
600W Surface Mount Transient Voltage Supressors
Silicon Avalanche Diodes
4
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SMBJ Series
Package Outline Dimensions and Pad Layout
DO-214AA (SMB J-Bend)
0.086 (2.20)
0.077 (1.95)
0.180 (4.57)
0.160 (4.06)
0.155 (3.94)
0.130 (3.30)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
0.030 (0.76)
0.220 (5.59)
0.205 (5.21)
0.096 (2.44)
0.084 (2.13)
0.008 (0.203) MAX
Dimensions in inches and (millimeters)
Cathode Band
2.16
2.74
2.16
2.26
Solder Pads
All dimensions in mm
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