SM AJ SERIES
FEA T URES
Rating to 200V VBR
For surface mounted applications
Reliable low cost construction utilizing molded plastic
technique
Plastic material has UL flamm ability classification
94V-O
Typical IR less than 1uA above 10V
Fast response time: typically less than 1.0ps for
Uni-direction,less than 5.0ns for Bi-direction,form 0
Volts to BV min
ME CHANICAL DAT A
Case : Molded plastic
Polarity : by cathode band denotes uni-directional
device none cathode band denotes bi-directional device
Weight : 0.002 ounces, 0.064 gram
T
J
Operating Temperature Range
-55 to +150
T
STG
Storage Tem perature Range
-55 to +175 C
I
FSM
Peak Forward Surge Current 8.3ms
single half sine-wave super imposed
on rated load (Not e 3)
40
AMPS.
UNIT
P
M(AV)
1.0
WATTS
Stea dy State Po w e r Dissipatio n at T
L
=75 C
P
PK
WATTS
PEAK POWER DISSIPATION AT T
A
= 25 C,
T
P
= 1ms (Note 1,2)
SYMBOLS VALUE
Minimum 400
C
CHARACTERISTICS
(JEDEC METHOD)
SURFACE M OUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
STAND-OFF VOLTAGE -
5.0
to
170
Volts
POWER DISSIPATION -
400
WATTS
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above T
A
= 25
℃
per fig.1.
2. Thermal Resistance junction to Lead
3. 8.3m s single half-sine wave duty cycl e= 4 pulses maximum per minute (unidirectional units only).
Maximum I nstantaneous forward voltage
at 35A for unidirectional devices only (Note 3)
V
F
3.5 Volts
MAXIMUM RATINGS AND ELECT RICAL CHARACTERISTICS
Ratings at 25
℃
am bient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
F o r capa ci tive lo ad, derate c u rr e n t b y 20%
SMA
All Dimensions in m illim eter
SMA
DIM. MIN. MAX.
A
C
D
E
F
G
H
B 4.06 4.57
2.92 2.29
1.27 1.63
0.31 0.15
4.83 5.59
0.05 0.20
2.01 2.62
0.76 1.52
B
A
C
HEF
GD
SEMICONDUCTOR
LITE-ON
REV. 2, 01-Dec-2000, KSIA02
RATING AND CHARACTERI STIC CURVES
SMAJ SERIES
FIG.1 - PULSE DERATIN G CURVE
PEAK PULSE DERATING IN % OF PEAK
POWER OR CURRENT
25 75 100 125 150
050
50
100
0175
75
25
200
10 X 1000 WAVEFORM AS
DEFINED BY R.E.A.
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
NUM BER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
AMPERES
151050100220
0
10 Pulse Width 8.3ms
Single Half-Sine-Wav e
(JEDEC METHOD)
20
30
40
50
60
PM(AV), STEADY STATE POWER DISSIPA TION (W)
FIG.6 - STEADY STATE POWER DERATING CURVE
TL, LEAD TEMPERA TURE
25 75 100 125 150
0.0
50
0175 200
0.2
0.4
0.6
0.8
1.0
60Hz RESISTIVE OR
INDUCTIVE LOAD
FIG.3 - PULSE WAVEFORM
FIG.4 - TYPICAL JUNCTION CAPACITANCE
CAPACITANCE , (pF)
STAND-OF F VOLTAGE, VOLTS
10
1100
10000
1000
100
10 1000
Uni-directional
Bi-directional
TJ= 25 C
AMBIENT TEMPERATURE, C
FIG.5 - PULSE RATING CURVE
P
P
, PEAK POWER ( K
W
)
T
P
, PULSE WIDTH
0.1
1.0
10
0.1us 1.0us 10us 100us 1.0ms 10ms
100
T
A
=25 C
5.0mm LEAD AREAS
NON-REPETITIVE
PUL SE WAVEFORM
SH OWN IN F I G 3.
0
0
I
P,
PEAK PULSE CURRENT , (% )
T , TIME ( ms )
50
100
1.0 2.0 3.0 4.0
T
R
=10us
Peak value (I
RSM)
TP 10 x 1000 waveform as
defined by R.E.A.
Pulse width (T
P
) is defined
as that point where the
peak current decays to
50% of I
RSM
T
J
=25 C
I
RSM
2
Half value=
REV. 2, 01-Dec-2000, KSIA02
Working
PeakReverse
Voltage
Breakdowm voltage
VBR Volts
Maximum
Reverse Voltage
at IRSM
(Clamping
Voltage)
Maximum
Reverse Surge
Current
Maximum
Reverse
Leakage at
VRWM
(UNI) (BI) VRWM(Volts) Min. Max. @IT( mA) VRSM(VOLTS) IRSM(Amps) IR (uA)
SMAJ5.0 SMAJ5.0C HD TD 5.0 6.40 7.30 10 9.6 41.6 800 / 1600
SMAJ5.0A SMAJ5.0CA HE TE 5.0 6.40 7.00 10 9.2 43.5 800 / 1600
SMAJ6.0 SMAJ6.0C HF TF 6.0 6.67 8.15 10 11.4 35.1 800 / 1600
SMAJ6.0A SMAJ6.0CA HG TG 6.0 6.67 7.37 10 10.3 38.8 800 / 1600
SMAJ6.5 SMAJ6.5C HH TH 6.5 7.22 8.82 10 12.3 32.5 500 / 1000
SMAJ6.5A SMAJ6.5CA HK TK 6.5 7.22 7.98 10 11.2 35.7 500 / 1000
SMAJ7.0 SMAJ7.0C HL TL 7.0 7.78 9.51 10 13.3 30.1 200 / 400
SMAJ7.0A SMAJ7.0CA HM TM 7.0 7.78 8.60 10 12.0 33.3 200 / 400
SMAJ7.5 SMAJ7.5C HN TN 7.5 8.33 10.3 1.0 14.3 28.0 100 / 200
SMAJ7.5A SMAJ7.5CA HP TP 7.5 8.33 9.21 1.0 12.9 31.0 100 / 200
SMAJ8.0 SMAJ8.0C HQ TQ 8.0 8.89 10.9 1.0 15.0 26.5 50 / 100
SMAJ8.0A SMAJ8.0CA HR TR 8.0 8.89 9.83 1.0 13.6 29.4 50 / 100
SMAJ8.5 SMAJ8.5C HS TS 8.5 9.44 11.5 1.0 15.9 25.1 10 / 20
SMAJ8.5A SMAJ8.5CA HT TT 8.5 9.44 10.4 1.0 14.4 27.7 10 / 20
SMAJ9.0 SMAJ9.0C HU TU 9.0 10.0 12.2 1.0 16.9 23.6 5 / 10
SMAJ9.0A SMAJ9.0CA HV TV 9.0 10.0 11.1 1.0 15.4 26.0 5 / 10
SMAJ10 SMAJ10C HW TW 10 11.1 13.6 1.0 18.8 21.2 5 / 10
SMAJ10A SMAJ10CA HX TX 10 11.1 12.3 1.0 17.0 23.5 5 / 10
SMAJ11 SMAJ11C HY TY 11 12.2 14.9 1.0 20.1 20.0 5.0
SMAJ11A SMAJ11CA HZ TZ 11 12.2 13.5 1.0 18.2 22.0 5.0
SMAJ12 SMAJ12C ID UD 12 13.3 16.3 1.0 22.0 18.1 5.0
SMAJ12A SMAJ12CA IE UE 12 13.3 14.7 1.0 19.9 20.1 5.0
SMAJ13 SMAJ13C IF UF 13 14.4 17.6 1.0 23.8 16.8 5.0
SMAJ13A SMAJ13CA IG UG 13 14.4 15.9 1.0 21.5 18.6 5.0
SMAJ14 SMAJ14C IH UH 14 15.6 19.1 1.0 25.8 15.5 5.0
SMAJ14A SMAJ14CA IK UK 14 15.6 17.2 1.0 23.2 17.2 5.0
SMAJ15 SMAJ15C IL UL 15 16.7 20.4 1.0 26.9 14.8 5.0
SMAJ15A SMAJ15CA IM UM 15 16.7 18.5 1.0 24.4 16.4 5.0
SMAJ16 SMAJ16C IN UN 16 17.8 21.8 1.0 28.8 13.8 5.0
SMAJ16A SMAJ16CA IP UP 16 17.8 19.7 1.0 26.0 15.3 5.0
SMAJ17 SMAJ17C IQ UQ 17 18.9 23.1 1.0 30.5 13.1 5.0
SMAJ17A SMAJ17CA IR UR 17 18.9 20.9 1.0 27.6 14.5 5.0
SMAJ18 SMAJ18C IS US 18 20.0 24.4 1.0 32.2 12.4 5.0
SMAJ18A SMAJ18CA IT UT 18 20.0 22.1 1.0 29.2 13.7 5.0
SMAJ20 SMAJ20C IU UU 20 22.2 27.1 1.0 35.8 11.1 5.0
SMAJ20A SMAJ20CA IV UV 20 22.2 24.5 1.0 32.4 12.3 5.0
SMAJ22 SMAJ22C IW UW 22 24.4 29.8 1.0 39.4 10.1 5.0
SMAJ22A SMAJ22CA IX UX 22 24.4 26.9 1.0 35.5 11.2 5.0
SMAJ24 SMAJ24C IY UY 24 26.7 32.6 1.0 43.0 9.3 5.0
SMAJ24A SMAJ24CA IZ UZ 24 26.7 29.5 1.0 38.9 10.3 5.0
SMAJ26 SMAJ26C JD VD 26 28.9 35.3 1.0 46.6 8.6 5.0
SMAJ26A SMAJ26CA JE VE 26 28.9 31.9 1.0 42.1 9.5 5.0
SMAJ28 SMAJ28C JF VF 28 31.1 38.0 1.0 50.0 8.0 5.0
SMAJ28A SMAJ28CA JG VG 28 31.1 34.4 1.0 45.4 8.8 5.0
SMAJ30 SMAJ30C JH VH 30 33.3 40.7 1.0 53.5 7.5 5.0
SMAJ30A SMAJ30CA JK VK 30 33.3 36.8 1.0 48.4 8.3 5.0
SMAJ33 SMAJ33C JL VL 33 36.7 44.9 1.0 59.0 6.8 5.0
SMAJ33A SMAJ33CA JM VM 33 36.7 40.6 1.0 53.3 7.5 5.0
Device
Marking code
Device
Uni-
directional
Device
Bi-
directional
SEMICONDUCTOR
LITE-ON
Working
PeakReverse
Voltage
Breakdowm voltage
VBR Volts
Maximum
Reverse Voltage
at IRSM
(Clamping
Voltage)
Maximum
Reverse Surge
Current
Maximum
Reverse
Leakage at
VRWM
(UNI) (BI) VRWM(Volts) Min. Max. @IT( mA) VRSM(VOLTS) IRSM(Amps) IR (uA)
SMAJ36 SMAJ36C JN VN 36 40.0 48.9 1.0 64.3 6.2 5.0
SMAJ36A SMAJ36CA JP VP 36 40.0 44.2 1.0 58.1 6.9 5.0
SMAJ40 SMAJ40C JQ VQ 40 44.4 54.3 1.0 71.4 5.6 5.0
SMAJ40A SMAJ40CA JR VR 40 44.4 49.1 1.0 64.5 6.2 5.0
SMAJ43 SMAJ43C JS VS 43 47.8 58.4 1.0 76.7 5.2 5.0
SMAJ43A SMAJ43CA JT VT 43 47.8 52.8 1.0 69.4 5.7 5.0
SMAJ45 SMAJ45C JU VU 45 50.0 61.1 1.0 80.3 5.0 5.0
SMAJ45A SMAJ45CA JV VV 45 50.0 55.3 1.0 72.7 5.5 5.0
SMAJ48 SMAJ48C JW VW 48 53.3 65.1 1.0 85.5 4.7 5.0
SMAJ48A SMAJ48CA JX VX 48 53.3 58.9 1.0 77.4 5.2 5.0
SMAJ51 SMAJ51C JY VY 51 56.7 69.3 1.0 91.1 4.4 5.0
SMAJ51A SMAJ51CA JZ VZ 51 56.7 62.7 1.0 82.4 4.9 5.0
SMAJ54 SMAJ54C RD WD 54 60.0 73.3 1.0 96.3 4.2 5.0
SMAJ54A SMAJ54CA RE WE 54 60.0 66.3 1.0 87.1 4.6 5.0
SMAJ58 SMAJ58C RF WF 58 64.4 78.7 1.0 103.0 3.9 5.0
SMAJ58A SMAJ58CA RG WG 58 64.4 71.2 1.0 93.6 4.3 5.0
SMAJ60 SMAJ60C RH WH 60 66.7 81.5 1.0 107.0 3.7 5.0
SMAJ60A SMAJ60CA RK WK 60 66.7 73.7 1.0 96.8 4.1 5.0
SMAJ64 SMAJ64C RL WL 64 71.1 86.4 1.0 114 3.5 5.0
SMAJ64A SMAJ64CA RM WM 64 71.1 78.6 1.0 103 3.9 5.0
SMAJ70 SMAJ70C RN WN 70 77.8 95.1 1.0 125 3.2 5.0
SMAJ70A SMAJ70CA RP WP 70 77.8 86.0 1.0 113 3.5 5.0
SMAJ75 SMAJ75C RQ WQ 75 83.3 102 1.0 134 3.0 5.0
SMAJ75A SMAJ75CA RR WR 75 83.3 92.1 1.0 121 3.3 5.0
SMAJ78 SMAJ78C RS WS 78 86.7 106 1.0 139 2.9 5.0
SMAJ78A SMAJ78CA RT WT 78 86.7 95.8 1.0 126 2.2 5.0
SMAJ85 SMAJ85C RU WU 85 94.4 115 1.0 151 2.6 5.0
SMAJ85A SMAJ85CA RV WV 85 94.4 104 1.0 137 2.9 5.0
SMAJ90 SMAJ90C RW WW 90 100 122 1.0 160 2.5 5.0
SMAJ90A SMAJ90CA RX WX 90 100 111 1.0 146 2.7 5.0
SMAJ100 SMAJ100C RY WY 100 111 136 1.0 179 2.2 5.0
SMAJ100A SMAJ100CA RZ WZ 100 111 123 1.0 162 2.5 5.0
SMAJ110 SMAJ110C SD XD 110 122 149 1.0 196 2.0 5.0
SMAJ110A SMAJ110CA SE XE 110 122 135 1.0 177 2.3 5.0
SMAJ120 SMAJ120C SF XF 120 133 163 1.0 214 1.9 5.0
SMAJ120A SMAJ120CA SG XG 120 133 147 1.0 193 2.0 5.0
SMAJ130 SMAJ130C SH XH 130 144 176 1.0 231 1.7 5.0
SMAJ130A SMAJ130CA SK XK 130 144 159 1.0 209 1.9 5.0
SMAJ150 SMAJ150C SL XL 150 167 204 1.0 268 1.5 5.0
SMAJ150A SMAJ150CA SM XM 150 167 185 1.0 243 1.6 5.0
SMAJ160 SMAJ160C SN XN 160 178 218 1.0 287 1.4 5.0
SMAJ160A SMAJ160CA SP XP 160 178 197 1.0 259 1.5 5.0
SMAJ170 SMAJ170C SQ XQ 170 189 231 1.0 304 1.3 5.0
SMAJ170A SMAJ170CA SR XR 170 189 209 1.0 275 1.4 5.0
NOTE :
1) Suffix 'A ' denotes 5% tolerance device,no suffix denotes 10 % tolerance device.
2) Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices.
3) For Bi-Directional devices having VR of 10 volts and under, the IR limit is double .
4) For Uni-directional devices VF max=3.5v at if=35 A ,0.5 sine wave of 8.3 msec .pulse width.
Device
Marking code
Device
Uni-
directional
Device
Bi-
directional
