SMAJ5.0 THRU SMAJ188CA
Features
Mechanical Data
· 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
Devices For Bidirectional Applications
Maximum Ratings And Electrical Characteristics
· For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA).
Electrical characteristics apply in both directions.
· 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
Peak pulse power dissipation with a 10/1000μS waveform (Note 1,2. Fig. 1)
Peak pulse current with a waveform (Note 1)
Typical thermal resistance, junction to lead
Typical thermal resistance, junction to ambient (Note 3)
Peak forward surge current, 8.3mm single half sine-wave unidirectional only (Note 2)
Operating junction and storage temperature range
P
PPM
400 Watts
Symbols Values Units
30
I
PPM
See next table Amps
40
I
FSM
T
J
,T
STG
120
-55 to +150 ℃
℃/W
℃/W
Amps
(Ratings at 25℃ ambient temperature unless otherwise specified)
Notes:
(1) Non repetitive current pulse, per Fig.3 and derated above TA=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
POWER 400Watts
VOLTAGE 5.0 to 188 Volts
Dimensions in inches and (millimeters)
0.058(1.47)
0.052(1.32)
0.110(2.79)
0.100(2.54)
0.012(0.31)
0.006(0.15)
0.177(4.50)
0.157(3.99)
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)
DO-214AC (SMA)
Rθ
JA
Rθ
JL
ELECTRICAL CHARACTERISTIC
Ratings at 25℃ ambient temperature unless otherwise specified. VF=3.5V at IF=25A (uni-directional only)
Device Breakdown Voltage Maximum Maximum Maximum
Device Type Marking V(BR) at IT(1) Test Stand-off Reverse Leakage Peak Pulse Surge Clamping
Code (V) Current Voltage at VWM Current I PPM Voltage at IPPM
UNI BI MaxMin IT(mA) VWM (V) ID (
μA
)(3) (A)(2) VC(V)
S MAJ 5.0(C ) AD W D 6.40 7.82
7.07
10 5.0 800 41.7 9.6
S MAJ 5.0(C )A(5) AE WE 6.40 10 5.0 800 43.5 9.2
S MAJ 6.0(C ) AF W F 6.67 8.15
7.37
10 6.0 800 35.1 11.4
S MAJ 6.0(C )A AG WG 6.67 10 6.0 800 38.8 10.3
S MAJ 6.5(C ) AH WH 7.22
7.22
8.82 10 6.5 500 32.5 12.3
S MAJ 6.5(C )A AK WK 7.98 10 6.5 500 35.7 11.2
S MAJ 7.0(C ) AL W L 7.78 9.51
8.60
10 7.0 200 30.1 13.3
S MAJ 7.0(C )A AM WM 7.78 10 7.0 200 33.3 12.0
S MAJ 7.5(C ) AN WN 8.33 10.2
9.21
1.0 7.5 100 28.0 14.3
S MAJ 7.5(C )A AP WP 8.33 1.0 7.5 100 31.0 12.9
S MAJ 8.0(C ) AQ WQ 8.89 10.9
9.83
1.0 8.0 50 26.7 15.0
S MAJ 8.0(C )A AR WR 8.89 1.0 8.0 50 29.4 13.6
S MAJ 8.5(C ) AS W S 9.44 11.5
10.4
1.0 8.5 10 25.2 15.9
S MAJ 8.5(C )A AT WT 9.44 1.0 8.5 10 27.8 14.4
S MAJ 9.0(C ) AU WU 10.0 12.2
11.1
1.0 9.0 5.0 23.7 16.9
S MAJ 9.0(C )A AV WV 10.0 1.0 9.0 5.0 26.0 15.4
S MAJ 10(C ) AW WW 11.1 13.6
12.3
1.0 10 1.0 21.3 18.8
S MAJ 10(C )A AX WX 11.1 1.0 10 1.0 23.5 17.0
S MAJ 11(C ) AY WY 12.2 14.9
13.5
1.0 11 1.0 19.9 20.1
S MAJ 11(C )A AZ W Z 12.2 1.0 11 1.0 22.0 18.2
S MAJ 12(C ) B D XD 13.3 16.3
14.7
1.0 12 1.0 18.2 22.0
S MAJ 12(C )A B E X E 13. 3 1.0 12 1.0 20. 1 19.9
S MAJ 13(C ) B F X F 14. 4 17.6
15.9
1.0 13 1.0 16.8 23.8
S MAJ 13(C )A B G X G 14.4 1. 0 13 1.0 18.6 21.5
S MAJ 14(C ) B H X H 15.6 19.1
17.2
1.0 14 1.0 15.5 25.8
S MAJ 14(C )A B K XK 15.6 1. 0 14 1.0 17. 2 23.2
S MAJ 15(C ) B L X L 16. 7 20.4
18.5
1.0 15 1.0 14.9 26.9
S MAJ 15(C )A B M X M 16.7 1.0 15 1. 0 16.4 24.4
S MAJ 16(C ) B N XN 17.8 21. 8
19.7
1.0 16 1.0 13.9 28.8
S MAJ 16(C )A B P XP 17.8 1. 0 16 1.0 15.4 26.0
S MAJ 17(C ) B Q X Q 18. 9 23.1
20.9
1.0 17 1.0 13.1 30.5
S MAJ 17(C )A B R X R 18.9 1.0 17 1. 0 14.5 27.6
S MAJ 18(C ) B S XS 20.0 24.4
22.1
1.0 18 1.0 12.4 32.2
S MAJ 18(C )A B T X T 20.0 1.0 18 1.0 13.7 29.2
S MAJ 20(C ) B U XU 22.2 27.1
24.5
1.0 20 1.0 11.2 35.8
S MAJ 20(C )A B V X V 22.2 1.0 20 1. 0 12.3 32.4
S MAJ 22(C ) B W X W 24.4 29.8
26.9
1.0 22 1.0 10.2 39.4
S MAJ 22(C )A B X X X 24.4 1. 0 22 1.0 11. 3 35.5
S MAJ 24(C ) B Y X Y 26.7 32.6
29.5
1.0 24 1.0 9.3 43.0
S MAJ 24(C )A B Z XZ 26.7 1.0 24 1. 0 10.3 38.9
S MAJ 26(C ) C D Y D 28.9 35.3
31.9
1.0 26 1.0 8.6 46.6
S MAJ 26(C )A C E Y E 28.9 1.0 26 1.0 9.5 42. 1
S MAJ 28(C ) C F Y F 31.1 38.0
34.4
1.0 28 1.0 8.0 50.0
S MAJ 28(C )A C G Y G 31. 1 1.0 28 1.0 8.8 45.4
S MAJ 30(C ) C H Y H 33.3 40.7
36.8
1.0 30 1.0 7.5 53.5
S MAJ 30(C )A C K Y K 33. 3 1.0 30 1.0 8.3 48.4
Notes : (1) P ulse test: tp =50ms
(2) S urge current waveform per F ig. 3 and derate per F ig. 2
(3) F or bi-directional types having VWM of 10 Volts and les s, the ID limit is doubled
(4) All terms and symbols are consistent with ANS I/IE E E C 62.35
(5) F or the bidirectional S MAJ 5.0C A, the maximum V(B R ) is 7.25V.
ELECTRICAL CHARACTERISTIC
Ratings at 25℃ ambient temperature unless otherwise specified. VF=3.5V at IF=25A (uni-directional only)
Device Breakdown Voltage Maximum Maximum Maximum
Device Type Marking V(BR) at I T(1) Test Stand-off Reverse Leakage Peak Pulse Surge Clamping
Code (V) Current Voltage at VWM Current I PPM Voltage at IPPM
UNI BI MaxMin IT(mA) VWM (V) ID (
μ
A) (3) (A)(2) VC(V)
S MAJ 33(C ) C L Y L 36.7 44.9
40.6
1.0 33 1.0 6.8 59.0
S MAJ 33(C )A C M Y M 36.7 1.0 33 1. 0 7. 5 53. 3
S MAJ 36(C ) C N Y N 40.0 48.9 1.0 36 1.0 6.2 64.3
S MAJ 36(C )A C P Y P 40.0 1.0 36 1.0 6.9 58.1
S MAJ 40(C ) C Q Y Q 44.4 54.3
44.2
1.0 40 1.0 5.6 71.4
S MAJ 40(C )A C R Y R 44.4 1.0 40 1.0 6.2 64.5
S MAJ 43(C ) C S Y S 47.8 58.4
49.1
1.0 43 1.0 5.2 76.7
S MAJ 43(C )A C T Y T 47.8 1.0 43 1.0 5.8 69.4
S MAJ 45(C ) C U Y U 50.0 61. 1
52.8
1.0 45 1.0 5.0 80.3
S MAJ 45(C )A C V Y V 50.0 1.0 45 1.0 5.5 72.7
S MAJ 48(C ) C W Y W 53.3 65. 1
55.3
1.0 48 1.0 4.7 85.5
S MAJ 48(C )A C X Y X 53.3 1.0 48 1.0 5.2 77.4
S MAJ 51(C ) C Y Y Y 56. 7 69. 3
58.9
1.0 51 1.0 4.4 91.1
S MAJ 51(C )A C Z Y Z 56.7 1.0 51 1.0 4.9 82.4
S MAJ 54(C ) R D ZD 60.0 73.3
62.7
1.0 54 1.0 4.2 96.3
S MAJ 54(C )A R E ZE 60.0 1.0 54 1.0 4.6 87.1
S MAJ 58(C ) R F ZF 64.4 78.7
66.3
1.0 58 1.0 3.9 103
S MAJ 58(C )A R G ZG 64.4 1.0 58 1.0 4.3 93.6
S MAJ 60(C ) R H ZH 66.7 81.5
71.2
1.0 60 1.0 3.7 107
S MAJ 60(C )A R K ZK 66.7 1.0 60 1.0 4.1 96.8
S MAJ 64(C ) R L ZL 71.1 86.9
73.7
1.0 64 1.0 3.5 114
S MAJ 64(C )A R M ZM 71.1 1.0 64 1.0 3.9 103
S MAJ 70(C ) R N ZN 77.8 95.1
86.0
92.1
95.8
78.6
1.0 70 1.0 3.2 125
S MAJ 70(C )A R P ZP 77.8 1.0 70 1.0 3.5 113
S MAJ 75(C ) R Q ZQ 83.3 102 1.0 75 1.0 3.0 134
S MAJ 75(C )A R R ZR 83.3 1.0 75 1.0 3.3 121
S MAJ 78(C ) R S ZS 86.7 106 1.0 78 1.0 2.9 139
S MAJ 78(C )A R T ZT 86.7 1.0 78 1.0 3.2 126
S MAJ 85(C ) R U ZU 94.4 115
104
1.0 85 1.0 2.0 151
S MAJ 85(C )A R V ZV 94.4 1.0 85 1.0 2.2 137
S MAJ 90(C ) R W ZW 100 122
111
1.0 90 1.0 1.9 160
S MAJ 90(C )A R X ZX 100 1.0 90 1.0 2.1 146
S MAJ 100(C ) R Y ZY 111 136
123
1.0 100 1.0 1.7 179
S MAJ 100(C )A R Z ZZ 111 1.0 100 1.0 1.9 162
S MAJ 110(C ) VD V D 122 149
135
1.0 110 1.0 1.5 196
S MAJ 110(C )A S E V E 122 1.0 110 1.0 1.7 177
S MAJ 120(C ) S F V F 133 163
147
1.0 120 1.0 1.4 214
S MAJ 120(C )A VG VG 133 1.0 120 1.0 1.6 193
S MAJ 130(C ) S H VH 144 176
159
1.0 130 1.0 1.3 231
S MAJ 130(C )A V K V K 144 1.0 130 1.0 1.4 209
S MAJ 150(C ) S L VL 167 204
185
1.0 150 1.0 1.1 268
S MAJ 150(C )A V M V M 167 1.0 150 1.0 1.2 243
S MAJ 160(C ) S N VN 178 218
197
1.0 160 1.0 1.0 287
S MAJ 160(C )A S P VP 178 1.0 160 1.0 1.2 259
S MAJ 170(C ) S Q VQ 189 231
209
1.0 170 1.0 0.99 304
S MAJ 170(C )A S R V R 189 1.0 170 1.0 1.09 275
S MAJ 188(C ) S T V T 209 255 1.0 188 1.0 0.9 344
S MAJ 188(C )A S S V S 209 231 1.0 188 1.0 0.91 328
Notes : (1) P ulse test: tp =50ms
(2) S urge current waveform per F ig. 3 and derate per F ig. 2
(3) F or bi-directional types having VWM of 10 Volts and les s, the ID limit is doubled
(4) All terms and s ymbols are consistent with ANS I/IE E E C 62.35
RATINGS AND CHARACTERISTIC CURVES SMAJ5.0 THRU SMAJ188CA
0
25
50
75
100
07525 50 100 125 150 175 200
P eak P ulse P ower (P P P ) or C urrent (IP P M)
Derating in P ercentage, %
TA , Ambient Temperature (C )
1 5 10 50 100
tp , P ulse Duration (sec)
F ig. 2 Ð P uls e Derating C urve
PP P M , P eak P ulse P ower (kW)
F ig. 1 Ð P eak P uls e P ower R ating C ur ve
0.1
1
10
100
0.1
μ
s 1.0
μ
s10
μ
s
td , P ulse Width (sec.)
100
μ
s 1.0ms 10ms
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
Transient T hermal Impedance (
oC /W)
F ig. 5 Ð Typical Trans ient Thermal
Impedance
Non-repetitive P uls e
Waveform s hown in F ig. 3
TA = 25
oC
F ig. 6 - Maximum Non-R epetitive F orwar d
S urge C urrent Uni-Direc tional Onl y
IF S M , P eak F orward S urge C urrent (A)
Number of C ycles at 60 Hz
CJ , J unction C apacitance (pF )
10
100
1,000
10,000
101 100 200
VWM , R everse S tand-off Voltage (V )
TJ = 25
oC
f = 1.0MHz
Vsig = 50mV p-p
Measured at
S tand-O ff
Voltage, V W M
Uni-Directional
B i-Directiona l
10
50
100
200 TJ = T J max.
8.3ms S ingle Half S ine-Wave
(J E DE C Method)
F ig. 4 Ð Typical J unc tion C apac itanc e
1
10
100
1000
0.001 0.01 0.1 1 10 100 1000
0
50
100
150
IP P M , P eak P ulse C urrent, % IR S M
F ig. 3 Ð P uls e Waveform
TJ = 25
oC
P ulse Width (td)
is defined as the point
where the peak current
decays to 50% of IP P M
tr = 10
μ
S
P eak Value
IP P M
Half Value IP P
IP P M 2
td
10/1000
μ
S W aveform
as defined by R .E .A.
01.0 2.0 3.0 4.0
t , Time (ms )
S MAJ 5.0 --
S MAJ 78
S MAJ 85 --
S MAJ 188
