SMAJ5.0 THRU SMAJ188CA
Features
· Plastic package has Underwriters Laboratory
flammability classification 94V-0
· Optimized for LAN protection applications
· Ideal for ESD protection of data lines in accordance with
IEC 1000-4-2 (IEC801-2)
· Ideal for EFT protection of data lines in accordance with
IEC 1000-4-4 (IEC801-4)
· Low profile package with built-in strain relief for surface
mounted applications
· Glass passivated junction
· Low incremental surge resistance, excellent clamping
capability
· 400W peak pulse power capability with a 10/1000μS
waveform, repetition rate(duty cycle) : 0.01% (300W above 78V)
· Very fast response time
· High temperature soldering guaranteed : 250
℃
/10 seconds
at terminals
POWER 400Watts
VOLTAGE 5.0 to 188 Volts
DO-214AC (SMA)
0.058(1.47)
0.052(1.32)
0.110(2.79)
0.100(2.54)
0.177(4.50)
0.157(3.99)
0.012(0.31)
0.006(0.15)
0.090(2.29)
0.078(1.98)
0.060(1.52)
0.030(0.76)
0.005(0.127)
MAX.
0.208(5.28)
0.194(4.93)
Mechanical Data
· Case : JEDEC DO-214AC(SMA) molded plastic
over passivated chip
· Terminals : Solder plated , solderable per
MIL-STD-750, method 2026
· Polarity : For uni-directional types the band denotes
the cathode, which is positive with respect to the
anode under normal TVS operation
· Mounting Position : Any
· Weight : 0.002 ounce, 0.064 gram
Dimensions in inches and (millimeters)
Devices For Bidirectional Applications
· For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA).
Electrical characteristics apply in both directions.
Maximum Ratings And Electrical Characteristics
(Ratings at 25℃ ambient temperature unless otherwise specified)
Symbols
Peak pulse power dissipation with a 10/1000μS waveform (Note 1,2. Fig. 1)
Peak pulse current with a waveform (Note 1)
Peak forward surge current, 8.3mm single half sine-wave unidirectional only (Note 2)
Typical thermal resistance, junction to ambient (Note 3)
Typical thermal resistance, junction to lead
Operating junction and storage temperature range
P
PPM
I
PPM
I
FSM
Values
400
See next table
40
120
30
-55 to +150
Units
Watts
Amps
Amps
℃/W
℃/W
℃
Rθ
JA
Rθ
JL
T
J
,T
STG
Notes:
(1) Non repetitive current pulse, per Fig.3 and derated above T
A
=25℃ per Fig.2 Rating is 300W above 78V
(2) Mounted on 0.2×0.2"(5.0×5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
ELECTRICAL CHARACTERISTIC
Ratings at 25℃ ambient temperature unless otherwise specified. VF=3.5V at IF=25A (uni-directional only)
ELECTRICAL CHARACTERISTIC
Ratings at 25℃ ambient temperature unless otherwise specified. VF=3.5V at IF=25A (uni-directional only)
Device Type
S MAJ 33
(C )
S MAJ 33
(C )
A
S MAJ 36
(C )
S MAJ 36
(C )
A
S MAJ 40
(C )
S MAJ 40
(C )
A
S MAJ 43
(C )
S MAJ 43
(C )
A
S MAJ 45
(C )
S MAJ 45
(C )
A
S MAJ 48
(C )
S MAJ 48
(C )
A
S MAJ 51
(C )
S MAJ 51
(C )
A
S MAJ 54
(C )
S MAJ 54
(C )
A
S MAJ 58
(C )
S MAJ 58
(C )
A
S MAJ 60
(C )
S MAJ 60
(C )
A
S MAJ 64
(C )
S MAJ 64
(C )
A
S MAJ 70
(C )
S MAJ 70
(C )
A
S MAJ 75
(C )
S MAJ 75
(C )
A
S MAJ 78
(C )
S MAJ 78
(C )
A
S MAJ 85
(C )
S MAJ 85
(C )
A
S MAJ 90
(C )
S MAJ 90
(C )
A
S MAJ 100
(C )
S MAJ 100
(C )
A
S MAJ 110
(C )
S MAJ 110
(C )
A
S MAJ 120
(C )
S MAJ 120
(C )
A
S MAJ 130
(C )
S MAJ 130
(C )
A
S MAJ 150
(C )
S MAJ 150
(C )
A
S MAJ 160
(C )
S MAJ 160
(C )
A
S MAJ 170
(C )
S MAJ 170
(C )
A
S MAJ 188
(C )
S MAJ 188
(C )
A
Notes : (1)
(2)
(3)
(4)
Device
Marking
Code
UNI
BI
CL
YL
CM
YM
CN
YN
CP
YP
CQ
YQ
CR
YR
CS
YS
CT
YT
CU
YU
CV
YV
CW
YW
CX
YX
CY
YY
CZ
YZ
RD
ZD
RE
ZE
RF
ZF
RG
ZG
RH
ZH
RK
ZK
RL
ZL
RM
ZM
RN
ZN
RP
ZP
RQ
ZQ
RR
ZR
RS
ZS
RT
ZT
RU
ZU
RV
ZV
RW
ZW
RX
ZX
RY
ZY
RZ
ZZ
VD
VD
SE
VE
SF
VF
VG
VG
SH
VH
VK
VK
SL
VL
VM
VM
SN
VN
SP
VP
SQ
VQ
SR
VR
ST
VT
SS
VS
Breakdown Voltage
V
(BR)
at I
T
(1)
(V)
Min
Max
36.7
44.9
40.6
36.7
40.0
48.9
40.0
44.2
44.4
54.3
49.1
44.4
47.8
58.4
52.8
47.8
50.0
61.1
50.0
55.3
53.3
65.1
53.3
58.9
56.7
69.3
56.7
62.7
60.0
73.3
66.3
60.0
64.4
78.7
64.4
71.2
66.7
81.5
73.7
66.7
71.1
86.9
71.1
78.6
77.8
95.1
86.0
77.8
83.3
102
83.3
92.1
86.7
106
86.7
95.8
94.4
115
104
94.4
100
122
111
100
111
136
123
111
122
149
135
122
133
163
147
133
144
176
159
144
167
204
185
167
178
218
197
178
189
231
209
189
209
255
209
231
Test
Current
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
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
1.0
1.0
1.0
1.0
Stand-off
Voltage
V
WM
(V)
33
33
36
36
40
40
43
43
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
78
78
85
85
90
90
100
100
110
110
120
120
130
130
150
150
160
160
170
170
188
188
Maximum
Maximum
Maximum
Reverse Leakage Peak Pulse Surge
Clamping
at V
WM
Current I
PPM
Voltage at I
PPM
I
D
(
μ
A)
(3)
(A)
(2)
V
C
(V)
1.0
6.8
59.0
1.0
7.5
53.3
1.0
6.2
64.3
1.0
6.9
58.1
1.0
5.6
71.4
1.0
6.2
64.5
1.0
5.2
76.7
1.0
5.8
69.4
1.0
5.0
80.3
1.0
5.5
72.7
1.0
4.7
85.5
1.0
5.2
77.4
1.0
4.4
91.1
1.0
4.9
82.4
1.0
4.2
96.3
1.0
4.6
87.1
1.0
3.9
103
1.0
4.3
93.6
1.0
3.7
107
1.0
4.1
96.8
1.0
3.5
114
1.0
3.9
103
1.0
3.2
125
1.0
3.5
113
1.0
3.0
134
1.0
3.3
121
1.0
2.9
139
1.0
3.2
126
1.0
2.0
151
1.0
2.2
137
1.0
1.9
160
1.0
2.1
146
1.0
1.7
179
1.0
1.9
162
1.0
1.5
196
1.0
1.7
177
1.0
1.4
214
1.0
1.6
193
1.0
1.3
231
1.0
1.4
209
1.0
1.1
268
1.0
1.2
243
1.0
1.0
287
1.0
1.2
259
1.0
0.99
304
1.0
1.09
275
1.0
0.9
344
1.0
0.91
328
P uls e tes t: t
p
=50ms
S urge current waveform per F ig. 3 and derate per F ig. 2
For bi-directional types having V
WM
of 10 V olts and les s, the I
D
limit is doubled
All terms and s ymbols are cons is tent with ANS I/IE E E C 62.35
RATINGS AND CHARACTERISTIC CURVES SMAJ5.0 THRU SMAJ188CA
Fig. 1Ð P eak P uls e P ower R ating C ur ve
P eak P uls e P ower (P
P P
) or C urrent (I
P P M
)
Derating in P ercentage, %
100
100
Fig. 2Ð P uls e Derating C urve
P eak P uls e P ower (kW)
Non-repetitive P uls e
Waveform s hown in F ig. 3
o
T
A
= 25 C
10
75
S MAJ 85 --
S MAJ 188
1
S MAJ 5.0 --
S MAJ 78
50
P
PPM ,
25
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0
0
25
50
75
100
125
150
175
200
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0.1
0.1 s
μ
1.0
μ
s
1 0
μ
s
100
μ
s
1.0ms
10ms
t
d
,
P uls e Width (s ec.)
T
A
,
Ambient Temperature ( C )
Fig. 3Ð P uls e Waveform
150
Fig. 4Ð Typical J unction C apacitance
10,000
P eak P uls e C urrent, % I
R S M
100
P eak Value
I
P P M
J unction C apacitance (pF )
tr = 10
μ
S
T
J
= 25 C
P uls e Width (td)
is defined as the point
where the peak current
decays to 50% of I
P P M
o
T
J
= 25 C
f = 1.0MHz
V s ig = 50mV p-p
1,000
Meas ured at
S tand-Off
Voltage, V
WM
Uni-Directional
100
o
Half Value
I
P P M
50
IP P
2
I
P P M ,
td
0
0
1.0
2.0
3.0
4.0
10
1
10
100
200
C
J
,
10/1000
μ
S W aveform
as defined by R .E .A.
B i-Directional
t,
Time (ms )
V
WM
,
R evers e S tand-off Voltage (V )
F ig. 5ÐT ypic al Trans ient T hermal
Impedanc e
P eak F orward S urge C urrent (A)
1000
F ig. 6 - Maximum Non-R epetitive F orwar d
S urge C urrent Uni-Direc tional Onl y
200
T
J
= T
J
max.
8.3ms S ingle Half S ine-Wave
(J E DE C Method)
Trans ient T hermal Impedance (
o
C /W)
100
100
50
10
I
F S M
,
0.01
0.1
1
10
100
1000
1
0.001
10
1
5
10
50
100
t
p
,
P uls e Duration (s ec)
Number of C ycles at 60 Hz
