SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
1 Version: R1807
400W, 5V - 188V Surface Mount Transient Voltage Suppressor
FEATURES
● Low profile package
● Ideal for automated placement
● Glass passivated junction
● Excellent clamping capability
● Fast response time: Typically less than
1.0ps from 0 volt to BV min
● Typical IR less than 1μA above 10V
● Moisture sensitivity level: level 1, per J-STD-020
● 400 watts peak pulse power capability with a 10 / 1000 μs
waveform(300W above 78V)
● Compliant to RoHS directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
APPLICATIONS
● Switching mode power supply (SMPS)
● Adapters
● Lighting application
● On-board DC/DC converter
MECHANICAL DATA
● Case: DO-214AC (SMA)
● Molding compound meets UL 94V-0 flammability rating
● Matte tin plated leads, solderable per J-STD-002
● Meet JESD 201 class 2 whisker test
● Weight: 0.06g (approximately)
KEY PARAMETERS
PARAMETER VALUE UNIT
VWM 5 - 188 V
VBR 6.4 - 231 V
PPPM
t
p
= 10/1000 μs waveform
400 W
TJ MAX 150 °C
Package DO-214AC (SMA)
Configuration Single die
DO-214AC (SMA)
ABSOLUTE MAXIMUM RATINGS
(TA = 25°C unless otherwise noted)
PARAMETER SYMBOL VALUE UNIT
Peak power dissipation at TA=25°C, Tp=1ms (Note 1) PPK 400 W
Steady state power dissipation PD 1 W
Peak forward surge current, 8.3 ms single half sine-wave
superimposed on rated load IFSM 40 A
Maximum instantaneous forward voltage at 25 A for
unidirectional only VF 3.5 V
Operating junction temperature range TJ -55 to +150 °C
Storage temperature range TSTG -55 to +150 °C
Note:
1. Non-repetitive current pulse per Fig. 3 and derated above TA=25°C per Fig. 2
Devices for Bipolar Applications
1. For bidirectional use C or CA suffix for types SMAJ5.0 - Types SMAJ188
2. Electrical characteristics apply in both directions
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
2 Version: R1807
ELECTRICAL SPECIFICATIONS
(TA = 25°C unless otherwise noted)
Part number Marking
code
Breakdown
voltage
VBR@IT
(1)
(V)
Test
current
IT
(mA)
Working
stand-off
voltage
VWM
(V)
Maximum reverse
leakage current
IR@VWM
(1) (µA)
Maximum peak
impulse current
IPPM (A) (2)
Maximum clamping
voltage
VC@IPPM (V) (2)
Min. Max.
SMAJ5.0 AD 6.4 7.30 10 5 800 41.7 9.6
SMAJ5.0A AE 6.4 7.00 10 5 800 43.5 9.2
SMAJ6.0 AF 6.67 8.15 10 6 800 35.1 11.4
SMAJ6.0A AG 6.67 7.37 10 6 800 38.8 10.3
SMAJ6.5 AH 7.22 8.82 10 6.5 500 32.5 12.3
SMAJ6.5A AK 7.22 7.98 10 6.5 500 35.7 11.2
SMAJ7.0 AL 7.78 9.51 10 7 200 30.1 13.3
SMAJ7.0A AM 7.78 8.60 10 7 200 33.3 12.0
SMAJ7.5 AN 8.33 10.30 1 7.5 100 28.0 14.3
SMAJ7.5A AP 8.33 9.21 1 7.5 100 31.0 12.9
SMAJ8.0 AQ 8.89 10.90 1 8 50 26.7 15.0
SMAJ8.0A AR 8.89 9.83 1 8 50 29.4 13.6
SMAJ8.5 AS 9.44 11.50 1 8.5 10 25.2 15.9
SMAJ8.5A AT 9.44 10.40 1 8.5 10 27.8 14.4
SMAJ9.0 AU 10.0 12.20 1 9 5 23.7 16.9
SMAJ9.0A AV 10.0 11.10 1 9 5 26.0 15.4
SMAJ10 AW 11.1 13.60 1 10 5 21.3 18.8
SMAJ10A AX 11.1 12.30 1 10 5 23.5 17.0
SMAJ11 AY 12.2 14.90 1 11 1 19.9 20.1
SMAJ11A AZ 12.2 13.50 1 11 1 22.0 18.2
SMAJ12 BD 13.3 16.30 1 12 1 18.2 22.0
SMAJ12A BE 13.3 14.70 1 12 1 20.1 19.9
SMAJ13 BF 14.4 17.60 1 13 1 16.8 23.8
SMAJ13A BG 14.4 15.90 1 13 1 18.6 21.5
SMAJ14 BH 15.6 19.10 1 14 1 15.5 25.8
SMAJ14A BK 15.6 17.20 1 14 1 17.2 23.2
SMAJ15 BL 16.7 20.40 1 15 1 14.9 26.9
SMAJ15A BM 16.7 18.50 1 15 1 16.4 24.4
SMAJ16 BN 17.8 21.80 1 16 1 13.9 28.8
SMAJ16A BP 17.8 19.70 1 16 1 15.4 26.0
SMAJ17 BQ 18.9 23.10 1 17 1 13.1 30.5
SMAJ17A BR 18.9 20.90 1 17 1 14.5 27.6
SMAJ18 BS 20.0 24.40 1 18 1 12.4 32.2
SMAJ18A BT 20.0 22.10 1 18 1 13.7 29.2
SMAJ20 BU 22.2 27.10 1 20 1 11.2 35.8
SMAJ20A BV 22.2 24.50 1 20 1 12.3 32.4
SMAJ22 BW 24.4 29.80 1 22 1 10.2 39.4
SMAJ22A BX 24.4 26.90 1 22 1 11.3 35.5
SMAJ24 BY 26.7 32.60 1 24 1 9.3 43.0
SMAJ24A BZ 26.7 29.50 1 24 1 10.3 38.9
SMAJ26 CD 28.9 35.30 1 26 1 8.6 46.6
SMAJ26A CE 28.9 31.90 1 26 1 9.5 42.1
SMAJ28 CF 31.1 38.00 1 28 1 8.0 50.0
SMAJ28A CG 31.1 34.40 1 28 1 8.8 45.4
SMAJ30 CH 33.3 40.7 1 30 1 7.5 53.5
SMAJ30A CK 33.3 36.8 1 30 1 8.3 48.4
SMAJ33 CL 36.7 44.9 1 33 1 6.8 59.0
SMAJ33A CM 36.7 40.6 1 33 1 7.5 53.3
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
3 Version: R1807
ELECTRICAL SPECIFICATIONS
(TA = 25°C unless otherwise noted)
Part number Marking
code
Breakdown
voltage
VBR@IT
(1)
(V)
Test
current
IT
(mA)
Working
stand-off
voltage
VWM
(V)
Maximum reverse
leakage current
IR@VWM
(1) (µA)
Maximum peak
impulse current
IPPM (A) (2)
Maximum clamping
voltage
VC@IPPM (V) (2)
Min. Max.
SMAJ36 CN 40.0 48.9 1 36 1 6.2 64.3
SMAJ36A CP 40.0 44.2 1 36 1 6.9 58.1
SMAJ40 CQ 44.4 54.3 1 40 1 5.6 71.4
SMAJ40A CR 44.4 49.1 1 40 1 6.2 64.5
SMAJ43 CS 47.8 58.4 1 43 1 5.2 76.7
SMAJ43A CT 47.8 52.8 1 43 1 5.8 69.4
SMAJ45 CU 50.0 61.1 1 45 1 5.0 80.3
SMAJ45A CV 50.0 55.3 1 45 1 5.5 72.7
SMAJ48 CW 53.3 65.1 1 48 1 4.7 85.5
SMAJ48A CX 53.3 58.9 1 48 1 5.2 77.4
SMAJ51 CY 56.7 69.3 1 51 1 4.4 91.1
SMAJ51A CZ 56.7 62.7 1 51 1 4.9 82.4
SMAJ54 RD 60.0 73.3 1 54 1 4.2 96.3
SMAJ54A RE 60.0 66.3 1 54 1 4.6 87.1
SMAJ58 RF 64.4 78.7 1 58 1 3.9 103
SMAJ58A RG 64.4 71.2 1 58 1 4.3 93.6
SMAJ60 RH 66.7 81.5 1 60 1 3.7 107
SMAJ60A RK 66.7 73.7 1 60 1 4.1 96.8
SMAJ64 RL 71.1 86.9 1 64 1 3.5 114
SMAJ64A RM 71.1 78.6 1 64 1 3.9 103
SMAJ70 RN 77.8 95.1 1 70 1 3.2 125
SMAJ70A RP 77.8 86 1 70 1 3.5 113
SMAJ75 RQ 83.3 102 1 75 1 3.0 134
SMAJ75A RR 83.3 92.1 1 75 1 3.3 121
SMAJ78 RS 86.7 106 1 78 1 2.9 139
SMAJ78A RT 86.7 95.8 1 78 1 3.2 126
SMAJ85 RU 94.4 115 1 85 1 2.0 151
SMAJ85A RV 94.4 104 1 85 1 2.2 137
SMAJ90 RW 100 122 1 90 1 1.9 160
SMAJ90A RX 100 111 1 90 1 2.1 146
SMAJ100 RY 111 136 1 100 1 1.7 179
SMAJ100A RZ 111 123 1 100 1 1.9 162
SMAJ110 SD 122 149 1 110 1 1.6 196
SMAJ110A SE 122 135 1 110 1 1.7 177
SMAJ120 SF 133 163 1 120 1 1.4 214
SMAJ120A SG 133 147 1 120 1 1.6 193
SMAJ130 SH 144 176 1 130 1 1.3 231
SMAJ130A SK 144 159 1 130 1 1.5 209
SMAJ150 SL 167 204 1 150 1 1.1 266
SMAJ150A SM 167 185 1 150 1 1.3 243
SMAJ160 SN 178 218 1 160 1 1.0 287
SMAJ160A SP 178 197 1 160 1 1.2 259
SMAJ170 SQ 189 231 1 170 1 1.0 304
SMAJ170A SR 189 209 1 170 1 1.1 275
SMAJ188 ST 209 255 1 188 1 0.9 344
SMAJ188A SS 209 231 1 188 1 0.9 328
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2
2. Peak pulse power waveform is 10/1000µs
3. For bi-directional devices having VR of 10 volts and under, the IR limit is double.
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
4 Version: R1807
ORDERING INFORMATION
ORDERING CODE
(Note 1,2,3) PACKAGE PACKING
SMAJxxxAHR3G SMA 1,800 / 7” Plastic reel
SMAJxxxAHR2G SMA 7,500 / 13” Paper reel
SMAJxxxAHM2G SMA 7,500 / 13” Plastic reel
SMAJxxxAHF3G Folded SMA 1,800 / 7” Plastic reel
SMAJxxxAHF2G Folded SMA 7,500 / 13” Paper reel
SMAJxxxAHF4G Folded SMA 7,500 / 13” Plastic reel
SMAJxxxAHE3G Clip SMA 1,800 / 7” Plastic reel
SMAJxxxAHE2G Clip SMA 7,500 / 13” Plastic reel
SMAJxxxA R3G SMA 1,800 / 7” Plastic reel
SMAJxxxA R2G SMA 7,500 / 13” Paper reel
SMAJxxxA M2G SMA 7,500 / 13” Plastic reel
SMAJxxxA F3G Folded SMA 1,800 / 7” Plastic reel
SMAJxxxA F2G Folded SMA 7,500 / 13” Paper reel
SMAJxxxA F4G Folded SMA 7,500 / 13” Plastic reel
SMAJxxxA E3G Clip SMA 1,800 / 7” Plastic reel
SMAJxxxA E2G Clip SMA 7,500 / 13” Plastic reel
SMAJxxxAHR3 SMA 1,800 / 7” Plastic reel
SMAJxxxAHR2 SMA 7,500 / 13” Paper reel
SMAJxxxAHM2 SMA 7,500 / 13” Plastic reel
SMAJxxxAHF3 Folded SMA 1,800 / 7” Plastic reel
SMAJxxxAHF2 Folded SMA 7,500 / 13” Paper reel
SMAJxxxAHF4 Folded SMA 7,500 / 13” Plastic reel
SMAJxxxAHE3 Clip SMA 1,800 / 7” Plastic reel
SMAJxxxAHE2 Clip SMA 7,500 / 13” Plastic reel
SMAJxxxA R3 SMA 1,800 / 7” Plastic reel
SMAJxxxA R2 SMA 7,500 / 13” Paper reel
SMAJxxxA M2 SMA 7,500 / 13” Plastic reel
SMAJxxxA F3 Folded SMA 1,800 / 7” Plastic reel
SMAJxxxA F2 Folded SMA 7,500 / 13” Paper reel
SMAJxxxA F4 Folded SMA 7,500 / 13” Plastic reel
SMAJxxxA E3 Clip SMA 1,800 / 7” Plastic reel
SMAJxxxA E2 Clip SMA 7,500 / 13” Plastic reel
Note 1:
"xxx" defines voltage from 5V (SMAJ5.0) to
188V (SMAJ188)
Note 2:
"H" means AEC-Q101 qualified
Note 3:
"G" means green compound (halogen free)
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
5 Version: R1807
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig.1 Peak Pulse Power Rating Curve
Fig.2 Pulse Derating Curve
Fig.3 Clamping Power Pulse Waveform
Fig.4 Maximum Non-repetitive Forward Surge
Current
0.1
1
10
100
0.1 1 10 100 1000 10000
tp, PULSE WIDTH, (μs)
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG.3
0
25
50
75
100
125
0 25 50 75 100 125 150 175 200
TA, AMBIENT TEMPERATURE (°C)
0
20
40
60
80
100
120
140
0 0.5 1 1.5 2 2.5 3
t, TIME (ms)
Peak value
I
PPM
Rise time tr=10μs to 100% of I
PPM
Half value-IPPM/2
Pulse width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000μs, waveform
0
10
20
30
40
50
1 10 100
NUMBER OF CYCLES AT 60 Hz
8.3ms single half sine wave
IFSM, PEAK FORWARD SURGE CURRENT (A)
PEAK PULSE CURRENT (%)
PPPM, PEAK PULSE POWER, KW
PEAK PULSE POWER(PPP) OR CURRENT (IPP)
DERATING IN PERCENTAGE (%)
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
6 Version: R1807
10
100
1000
10000
1 10 100
f=1.0MHz
Vsig=50mVp-p
MEASURED AT
ZERO BIAS
MEASURED at
STAND-OFF
VOLTAGE,Vwm
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig.5 Typical Junction Capacitance
V(BR), BREAKDOWN VOLTAGE (V)
CJ, JUNCTION CAPACITANCE (pF)
A
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
7 Version: R1807
PACKAGE OUTLINE DIMENSIONS
DO-214AC (SMA)
SUGGESTED PAD LAYOUT
MARKING DIAGRAM
P/N = Marking Code
G = Green Compound
YW = Date Code
F = Factory Code
Note: Cathode band for uni-directional products only
DIM Unit (mm) Unit (inch)
Min Max Min Max
A 1.27 1.58 0.050 0.062
B 4.06 4.60 0.160 0.181
C 2.29 2.83 0.090 0.111
D 1.99 2.50 0.078 0.098
E 0.90 1.41 0.035 0.056
F 4.95 5.33 0.195 0.210
G 0.10 0.20 0.004 0.008
H 0.15 0.31 0.006 0.012
Symbol
Unit (mm) Unit (inch)
A 1.68 0.066
B 1.52 0.060
C 3.93 0.155
D 2.41 0.095
E 5.45 0.215
SMAJ5.0(A) - SMAJ188(A)
Taiwan Semiconductor
8 Version: R1807
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.