SMAJ 5.0 ~ 188A SURFACE MOUNT TRANSIENT
VOLTAGE SUPPRESSOR
Stand-off Voltage : 5.0 to 188V
Peak Pulse Power
:
400
W
FEATURES :
* 400W peak pulse power capability with a 10/1000µs
waveform
* Optimized for LAN protection applications
* Low clamping
* Very fast response time
* Pb / RoHS Free
MECHANICAL DATA
* Case : SMA Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.064 grams
DEVICES FOR BIPOLAR APPLICATIONS
For Bi-directional use C or CA Suffix
Electrical characteristics apply in both directions
MAXIMUM RATINGS
Rating at 25°C ambient temperature unless otherwise specified.
Rating Symbol Value Units
Peak Pulse Power Dissipation (Note1,2,4) Fig. 4 PPPM Minimum 400 W
Peak Forward Surge Current per Fig. 5 (Note 3) IFSM 40 A
Peak Pulse Current on 10/1000µs
waveform (Note 1, Fig. 1)
Maximum Instantaneous Forward Voltage at IF = 25A VFM 3.5 V
Typical thermal resistance, junction to lead RθJL °C/W
Operating Junction and Storage Temperature Range TJ, TSTG - 55 to + 150 °C
Notes :
(1) Non-repetitive Current pulse, per Fig. 3 and derated above Ta = 25 °C per Fig. 1
(2) Mounted on 0.2 x 0.2"(5.0 x 5.0 mm) copper pads to each terminal.
(3) 8.3ms single half sine-wave duty cycle=4 pulses per minutes maximum.
(4) Peak pulse power waveform is 10/1000µs.
Page 1 of 4 Rev. 06 : March 31, 2005
A
30
IPPM See Table
2.0 ± 0.2
2.1
±
0
.
2
SMA (DO-214AC)
1.2
±
0
.
2
5.0 ± 0.15
4.5 ± 0.15
2.6 ± 0.15
Dimensions in millimeter
1.1
±
0
.
3
0.2
±
0
.
07
ELECTRICAL CHARACTERISTICS
Rating at 25°C ambient temperature unless otherwise specified Working Peak Maximum Maximum Maximum
Breakdown Voltage @ I
T
(
1
)
Reverse Reverse Peak Pulse Clamping
Voltage Leakage Surge Current Voltage @ IPPM
@ VWM
VBR (V) ITVWM IRIPPM VC
Min. Max. (mA) (V) (µA) (A) (V)
SMAJ5.0 6.40 7.82 10 5.0 800 41.7 9.6
SMAJ
5
.
0
A
(4) 6.40 7.07 10 5.0 800 43.5 9.2
SMAJ6.0 6.67 8.15 10 6.0 800 35.1 11.4
SMAJ6.0A 6.67 7.37 10 6.0 800 38.8 10.3
SMAJ6.5 7.22 8.82 10 6.5 500 32.5 12.3
SMAJ6.5A 7.22 7.98 10 6.5 500 35.7 11.2
SMAJ7.0 7.78 9.51 10 7.0 200 30.1 13.3
SMAJ7.0A 7.78 8.6 10 7.0 200 33.3 12.0
SMAJ7.5 8.33 10.2 1.0 7.5 100 28.0 14.3
SMAJ7.5A 8.33 9.21 1.0 7.5 100 31.0 12.9
SMAJ8.0 8.89 10.9 1.0 8.0 50 26.7 15.0
SMAJ8.0A 8.89 9.83 1.0 8.0 50 29.4 13.6
SMAJ8.5 9.44 11.5 1.0 8.5 10 25.2 15.9
SMAJ8.5A 9.44 10.4 1.0 8.5 10 27.8 14.4
SMAJ9.0 10.0 12.2 1.0 9.0 5.0 23.7 16.9
SMAJ9.0A 10.0 11.1 1.0 9.0 5.0 26.0 15.4
SMAJ10 11.1 13.6 1.0 10 1.0 21.2 18.8
SMAJ10A 11.1 12.3 1.0 10 1.0 23.5 17.0
SMAJ11 12.2 14.9 1.0 11 1.0 19.9 20.1
SMAJ11A 12.2 13.5 1.0 11 1.0 22.0 18.2
SMAJ12 13.3 16.3 1.0 12 1.0 18.2 22.0
SMAJ12A 13.3 14.7 1.0 12 1.0 20.1 19.9
SMAJ13 14.4 17.6 1.0 13 1.0 16.8 23.8
SMAJ13A 14.4 15.9 1.0 13 1.0 18.6 21.5
SMAJ14 15.6 19.1 1.0 14 1.0 15.5 25.8
SMAJ14A 15.6 17.2 1.0 14 1.0 17.2 23.2
SMAJ15 16.7 20.4 1.0 15 1.0 14.8 26.9
SMAJ15A 16.7 18.5 1.0 15 1.0 16.4 24.4
SMAJ16 17.8 21.8 1.0 16 1.0 13.9 28.8
SMAJ16A 17.8 19.7 1.0 16 1.0 15.4 26.0
SMAJ17 18.9 23.1 1.0 17 1.0 13.1 30.5
SMAJ17A 18.9 20.9 1.0 17 1.0 14.5 27.6
SMAJ18 20.0 24.4 1.0 18 1.0 12.4 32.2
SMAJ18A 20.0 22.1 1.0 18 1.0 13.7 29.2
SMAJ20 22.2 27.1 1.0 20 1.0 11.2 35.8
SMAJ20A 22.2 24.5 1.0 20 1.0 12.3 32.4
SMAJ22 24.4 29.8 1.0 22 1.0 10.2 39.4
SMAJ22A 24.4 26.9 1.0 22 1.0 11.3 35.5
SMAJ24 26.7 32.6 1.0 24 1.0 9.3 43.0
SMAJ24A 26.7 29.5 1.0 24 1.0 10.3 38.9
SMAJ26 28.9 35.3 1.0 26 1.0 8.6 46.6
SMAJ26A 28.9 31.9 1.0 26 1.0 9.5 42.1
SMAJ28 31.1 38.0 1.0 28 1.0 8.0 50.0
SMAJ28A 31.1 34.4 1.0 28 1.0 8.8 45.4
SMAJ30 33.3 40.7 1.0 30 1.0 7.5 53.5
SMAJ30A 33.3 36.8 1.0 30 1.0 8.3 48.4
SMAJ33 36.7 44.9 1.0 33 1.0 6.8 59.0
SMAJ33A 36.7 40.6 1.0 33 1.0 7.5 53.3
SMAJ36 40.0 48.9 1.0 36 1.0 6.2 64.3
SMAJ36A 40.0 44.2 1.0 36 1.0 6.9 58.1
Page
2
of
4
Rev
.
06
:
March
31
,
2005
Device Type
ELECTRICAL CHARACTERISTICS
Rating at 25°C ambient temperature unless otherwise specified Working Peak Maximum Maximum Maximum
Breakdown Voltage @ I
T
(
1
)
Reverse Reverse Peak Pulse Clamping
Voltage Leakage Surge Current Voltage @ IPPM
@ VWM
VBR (V) ITVWM IRIPPM VC
Min. Max. (mA) (V) (µA) (A) (V)
Device Type
SMAJ40 44.4 54.3 1.0 40 1.0 5.6 71.4
SMAJ40A 44.4 49.1 1.0 40 1.0 6.2 64.5
SMAJ43 47.8 58.4 1.0 43 1.0 5.2 76.7
SMAJ43A 47.8 52.8 1.0 43 1.0 5.7 69.4
SMAJ45 50.0 61.1 1.0 45 1.0 5.0 80.3
SMAJ45A 50.0 55.3 1.0 45 1.0 5.5 72.7
SMAJ48 53.3 65.1 1.0 48 1.0 4.7 85.5
SMAJ48A 53.3 58.9 1.0 48 1.0 5.2 77.4
SMAJ51 56.7 69.3 1.0 51 1.0 4.4 91.1
SMAJ51A 56.7 62.7 1.0 51 1.0 4.9 82.4
SMAJ54 60.0 73.3 1.0 54 1.0 4.2 96.3
SMAJ54A 60.0 66.3 1.0 54 1.0 4.6 87.1
SMAJ58 64.4 78.7 1.0 58 1.0 3.9 103
SMAJ58A 64.4 71.2 1.0 58 1.0 4.3 93.6
SMAJ60 66.7 81.5 1.0 60 1.0 3.7 107
SMAJ60A 66.7 73.7 1.0 60 1.0 4.1 96.8
SMAJ64 71.1 86.4 1.0 64 1.0 3.5 114
SMAJ64A 71.1 78.6 1.0 64 1.0 3.9 103
SMAJ70 77.8 95.1 1.0 70 1.0 3.2 125
SMAJ70A 77.8 86 1.0 70 1.0 3.5 113
SMAJ75 83.3 102 1.0 75 1.0 3.0 134
SMAJ75A 83.3 92.1 1.0 75 1.0 3.3 121
SMAJ78 86.7 106 1.0 78 1.0 2.9 139
SMAJ78A 86.7 95.8 1.0 78 1.0 3.2 126
SMAJ85 94.4 115 1.0 85 1.0 2.0 151
SMAJ85A 94.4 104 1.0 85 1.0 2.2 137
SMAJ90 100 122 1.0 90 1.0 1.9 160
SMAJ90A 100 111 1.0 90 1.0 2.1 146
SMAJ100 111 136 1.0 100 1.0 1.7 179
SMAJ100A 111 123 1.0 100 1.0 1.9 162
SMAJ110 122 149 1.0 110 1.0 1.5 196
SMAJ110A 122 135 1.0 110 1.0 1.7 177
SMAJ120 133 163 1.0 120 1.0 1.4 214
SMAJ120A 133 147 1.0 120 1.0 1.6 193
SMAJ130 144 176 1.0 130 1.0 1.3 231
SMAJ130A 144 159 1.0 130 1.0 1.4 209
SMAJ150 167 204 1.0 150 1.0 1.1 268
SMAJ150A 167 185 1.0 150 1.0 1.2 243
SMAJ160 178 218 1.0 160 1.0 1.0 287
SMAJ160A 178 197 1.0 160 1.0 1.2 259
SMAJ170 189 231 1.0 170 1.0 0.99 304
SMAJ170A 189 209 1.0 170 1.0 1.09 275
SMAJ188 209 255 1.0 188 1.0 0.90 344
SMAJ188A 209 231 1.0 188 1.0 0.91 328
Notes:
(
1
)
Pulse test
:
tp
≤
50
ms
.
(2) For bidirectional use C or CA suffix.
(3) For bi-directional types have VWM of 10 Volts and less , the ID limit is doubled
(4) For the bi-directional SMAJ5.0CA, the maximum VBR is 7.25V
(5) "SMAJ" will be omitted in marking on the diode.
Page 3 of 4 Rev. 06 : March 31, 2005
FIG.1 - PULSE DERATING CURVE FIG.2 - TYPICAL JUNCTION CAPACITANCE
025 50 75 100 125 150 175
Ta, AMBIENT TEMPERATURE, ( °C)
FIG.3 - PULSE WAVEFORM FIG.4 - PEAK PULSE POWER RATING CURVE
FIG
.
5
-
MAXIMUM NON
-
REPETITIVE PEAK FORWARD
SURGE CURRENT
Page 4 of 4 Rev. 06 : March 31, 2005
RATING AND CHARACTERISTIC CURVES ( SMAJ5.0 - SMAJ188A )
80
60
40
20
120
10
10
0
0.1
1.0
td, PULSE WIDTH, SEC
PPPM,PEAK POWER (kW)
100
0.1µs1.0µs10µs 100µs10ms
1.0ms
I
PPM
, PEAK PULSE CURRENT, %
NON-REPETITIVE
PULSE WAVEFORM
SHOW IN FIG. 3 ,Ta=25°C
6,000
100
1,000
10
10 20 100
1
2
200
CJ, CAPACITANCE, pF
Measured at
Stand-off Voltage
Voltage VWM
TJ = 25°C
f = 1.0 MHz
Vsig = 50 mVP-P
PEAK PULSE POWER OR CURRENT
DERATING I N PERCENTAGE
t, TIME(ms)
50
10
0
tr = 10µs
Peak Value
IPPM
Half Value - IPPM
2
td
01.0 2.0 3.0 4.0
Ta=25 °C
Pulse Width (td) is defined
as that point where the peak
current decays to 50%
of IPPM
VWM, REVERSE STAND-OFF VOLTAGE, (V)
50
40
30
01 5 10 50 100
NUMBER OF CYCLES AT 60 Hz
TJ = TJ max
8.3 ms Single half sine-wave
JEDEC Method
20
10
PEAK FORW ARD CURRENT,
AMPERES
10/1000 µs. Waveform as
defined by R
.
E
.
A
.
SMAJ5.0 -
SMAJ78A
SMAJ85 -
SMAJ188A
