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SMAJ28A Datasheet Preview

SMAJ28A Datasheet

Transient Voltage Suppression Diodes

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SMAJ Series
Transient Voltage Suppression Diodes
Surface Mount – 400W > SMAJ series
RoHS
Pb e3
Uni-directional
Bi-directional
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Peak Pulse Power Dissipation at
(TFAi=g2.25)º(NCobtye
10/1000µs Waveform
1), (Note 2), (Note 5)
Symbol
PPPM
Value
400
Power Dissipation on Infinite Heat
Sink at TL=50OC
PD
3.3
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
IFSM
60
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only (Note 4)
VF 3.5/5.0
Operating Temperature Range
Storage Temperature Range
TJ -65 to 150
TSTG -65 to 175
Typical Thermal Resistance Junction
to Lead
RθJL
30
Typical Thermal Resistance Junction
to Ambient
RθJA
120
Unit
W
W
A
V
°C
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse, per Fig.4 and derated above TJ (initial) =25ºC per Fig. 3.
2. Mounted on 5.0x5.0mm copper pad to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only.
4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
5. The PPPM of stacked-die parts is 600W and please contact littelfuse
stacked-die parts.
for the detail
Functional Diagram
Description
The SMAJ series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
• 400W Peak pulse power
capability at 10/1000µs
waveform, repetition rate
(duty cycle): 0.01%
• Excellent clamping
capability
wTyhpeicnaVl IBRR
less than
min>12V
1μA
• For surface mounted
applications to optimize
board space
• Low profile package
• 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
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Built-in strain relief
• Fast response time:
typically less than 1.0ps
from 0 Volts to VBR min
• Glass passivated junction
• Low inductance
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
• Vx(αB(R1T:+@TαeTmTJ=pxeV(rBTaRJt@u-2r2e55°)C)
Coefficient, typical value
is 0.1%)
• Plastic package is
flammability rated
V-0 per Underwriters
Laboratories
• Meet MSL level1, per
J-STD-020, LF maximun
peak of 260°C
• Matte tin lead–free Plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Applications
TVS devices are ideal for the protection of I/O Interfaces,
CVCoCmbpuustaenr,dInodtuhsetrrivaul lannedraCbolencsiurcmueitrseulescetdroinniTcelecom,
applications.
Additional Infomarion
Cathode
Bi-directional
Uni-directional
Anode
Datasheet
Resources
Samples
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15




Littelfuse

SMAJ28A Datasheet Preview

SMAJ28A Datasheet

Transient Voltage Suppression Diodes

No Preview Available !

Transient Voltage Suppression Diodes
Surface Mount – 400W > SMAJ series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
SMAJ5.0A
SMAJ6.0A
SMAJ6.5A
SMAJ7.0A
SMAJ7.5A
SMAJ8.0A
SMAJ8.5A
SMAJ9.0A
SMAJ10A
SMAJ11A
SMAJ12A
SMAJ13A
SMAJ14A
SMAJ15A
SMAJ16A
SMAJ17A
SMAJ18A
SMAJ20A
SMAJ22A
SMAJ24A
SMAJ26A
SMAJ28A
SMAJ30A
SMAJ33A
SMAJ36A
SMAJ40A
SMAJ43A
SMAJ45A
SMAJ48A
SMAJ51A
SMAJ54A
SMAJ58A
SMAJ60A
SMAJ64A
SMAJ70A
SMAJ75A
SMAJ78A
SMAJ85A
SMAJ90A
SMAJ100A
SMAJ110A
SMAJ120A
SMAJ130A
SMAJ150A
SMAJ160A
SMAJ170A
SMAJ180A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
SMAJ5.0CA
SMAJ6.0CA
SMAJ6.5CA
SMAJ7.0CA
SMAJ7.5CA
SMAJ8.0CA
SMAJ8.5CA
SMAJ9.0CA
SMAJ10CA
SMAJ11CA
SMAJ12CA
SMAJ13CA
SMAJ14CA
SMAJ15CA
SMAJ16CA
SMAJ17CA
SMAJ18CA
SMAJ20CA
SMAJ22CA
SMAJ24CA
SMAJ26CA
SMAJ28CA
SMAJ30CA
SMAJ33CA
SMAJ36CA
SMAJ40CA
SMAJ43CA
SMAJ45CA
SMAJ48CA
SMAJ51CA
SMAJ54CA
SMAJ58CA
SMAJ60CA
SMAJ64CA
SMAJ70CA
SMAJ75CA
SMAJ78CA
SMAJ85CA
SMAJ90CA
SMAJ100CA
SMAJ110CA
SMAJ120CA
SMAJ130CA
SMAJ150CA
SMAJ160CA
SMAJ170CA
SMAJ180CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
Marking
UNI BI
AE WE
AG WG
AK WK
AM WM
AP WP
AR WR
AT WT
AV WV
AX WX
AZ WZ
BE XE
BG XG
BK XK
BM XM
BP XP
BR XR
BT XT
BV XV
BX XX
BZ XZ
CE YE
CG YG
CK YK
CM YM
CP YP
CR YR
CT YT
CV YV
CX YX
CZ YZ
RE ZE
RG ZG
RK ZK
RM ZM
RP ZP
RR ZR
RT ZT
RV ZV
RX ZX
RZ ZZ
SE VE
SG VG
SK VK
SM VM
SP VP
SR VR
ST VT
SV VV
SX VX
SZ VZ
TE UE
TG UG
TK UK
TM UM
Reverse
Stand off
Vo(lVtaogltes)VR
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
78.0
85.0
90.0
100.0
110.0
120.0
130.0
150.0
160.0
170.0
180.0
200.0
220.0
250.0
300.0
350.0
400.0
440.0
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A , the VBR is ± 10% and VC is 5% higher than with A parts
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Breakdown
Voltage VBR
(Volts) @ IT
MIN MAX
6.40 7.00
6.67 7.37
7.22 7.98
7.78 8.60
8.33 9.21
8.89 9.83
9.44 10.40
10.00
11.10
11.10
12.30
12.20
13.50
13.30
14.70
14.40
15.90
15.60
17.20
16.70
18.50
17.80
19.70
18.90
20.90
20.00
22.10
22.20
24.50
24.40
26.90
26.70
29.50
28.90
31.90
31.10
34.40
33.30
36.80
36.70
40.60
40.00
44.20
44.40
49.10
47.80
52.80
50.00
55.30
53.30
58.90
56.70
62.70
60.00
66.30
64.40
71.20
66.70
73.70
71.10
78.60
77.80
86.00
83.30
92.10
86.70
95.80
94.40
104.00
100.00
111.00
111.00
123.00
122.00
135.00
133.00
147.00
144.00
159.00
167.00
185.00
178.00
197.00
189.00 209.00
201.00
222.00
224.00
247.00
246.00 272.00
279.00 309.00
335.00
371.00
391.00
432.00
447.00
494.00
492.00 543.00
Test
Current
IT
(mA)
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Clamping
Voltage
@(VI)pp
VC
Maximum
Peak Pulse
Current
(A)
Ipp
Maximum
Reverse
Leakage
@(µAV)R
IR
Agency
Approval
9.2 43.5 800 X
10.3 38.8 800 X
11.2 35.7 500 X
12.0 33.3 200 X
12.9 31.0 100 X
13.6 29.4 50 X
14.4 27.8 20 X
15.4 26.0
10
X
17.0 23.5
5
X
18.2 22.0
1
X
19.9 20.1
1
X
21.5 18.6
1
X
23.2 17.2 1 X
24.4 16.4
1
X
26.0 15.4
1
X
27.6 14.5
1
X
29.2 13.7
1
X
32.4 12.3
1
X
35.5 11.3 1 X
38.9 10.3
1
X
42.1 9.5 1 X
45.4 8.8 1 X
48.4 8.3 1 X
53.3 7.5 1 X
58.1 6.9 1 X
64.5 6.2 1 X
69.4 5.8 1 X
72.7 5.5 1 X
77.4 5.2 1 X
82.4 4.9 1 X
87.1 4.6 1 X
93.6 4.3 1 X
96.8 4.1 1 X
103.0
3.9
1
X
113.0
3.5
1
X
121.0
3.3
1
X
126.0
3.2
1
X
137.0
2.9
1
X
146.0
2.7
1
X
162.0
2.5
1
X
177.0
2.3
1
X
193.0
2.1
1
X
209.0
1.9
1
X
243.0
1.6
1
X
259.0
1.5
1
X
275.0
1.5
1
X
292.0
1.4
1
324.0
1.2
1
356.0
1.1
1
405.0
1.0
1
486.0
0.8
1
567.0
0.7
1
648.0
0.6
1
713.0
0.6
1


Part Number SMAJ28A
Description Transient Voltage Suppression Diodes
Maker Littelfuse
Total Page 6 Pages
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