Case: JEDEC DO-201 Molded Plastic.
Terminals: Axial leads, solderable per MIL-STD-750, Method 2026.
Polarity: Color and dG enotes cathode except Bipolar.
Mounting Position: Any.
Peak Pulse Power Dissipation on 10/1000ȝs waveform.(Note1, Note2, Fig.1) PPPM Minimum 400 Watts
Peak Pulse Current on 10/1000ȝs waveform. (Note1,Fig.3) IPPM See Table Amps
Steady State Power Dissipation at TL=75ćˈLead length .375” (9.5mm).
(Note2, Fig.5) PM(AV) 3.3 Watts
Peak Forward Surge Currentˈ8.3ms Single Half Sine-Wave Superimposed
on Rated Load. (JEDEC Method) (Note3, Fig.6) IFSM 40 Amps
Operating junction and Storage Temperature Range. TJ,T
STG -65 to +150 ć
FEATURES
MECHANICAL DATA
DEVICES FOR BIPOLAR APPLICATION
For surface mounted applications in order to optimize board space.
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Excellent clamping capability.
Repetition Rate (duty cycle): 0.01%.
Fast response time: typically less than 1.0ps from 0 volt to VBR for 8nidirectional types.
Typical IRless than 1μA above 10V.
High Temperature soldering: 260°C/10 seconds at terminals.
Plastic package has Underwriters Laboratory Flammability 94V-O.
M
SMA/DO-214AC
Case: JEDEC DO-214AC. Molded plastic over glass passivated junction.
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026.
Polarity: Color band GHQRWHVcathodeHxcept Bidirectional.
Standard Packaging: 12mm tape (EIA STD RS-481).
Weight: 0.002 ounce, 0.061 grams.
For %idirectional use C or CA suffix for type SMAJ5.0 through type SMAJ440 (e.g. SMAJ5.0CA, SMAJ440CA);
Electrical characteristics apply in both directions.
Ratings at 25ćambient temperature unless otherwise specified.
N
2
.
UL E223045
Transient 9ROWDJH6XSSUHVVRUV
SMAJ Series MERITEK
RATING SYMBOL VALUE UNIT
Notes: 1. Non-repetitive current pulse, per Fig.3and derated above TA= 25ćper Fig.2.
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4pulses per minute maximum.
MAXIMUM RATINGS AND CHARACTERISTICS
All specifications are subject to change without notice.
1
Rev 7
Transient 9ROWDJH6XSSUHVVRUV
SMAJ Series MERITEK
t
s
T1
d
T
D1 D
L
Cathode Band
SMA/DO-214AC
Millimeters Inches
Item Min. Max. Min. Max.
L 3.99 4.50 0.157 0.177
D 2.54 2.79 0.100 0.110
D1 1.25 1.65 0.049 0.065
T 4.93 5.28 0.194 0.208
T1 0.78 1.52 0.030 0.060
d - 0.203 - 0.008
s 1.98
2.29 0.078 0.090
t 0.152 0.305 0.006 0.012
PACKAGE DIMENSIONS
Part Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
Breakdown
Voltage
@IT
Breakdown
Voltage
@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@VRWM
UNI-POLAR BI-POLAR UNI BI VRWM(V) VBR MIN.(V) VBR MAX.(V) IT(mA) VC(V) IPP(A) IR(μA)
8.0 1 13.6 44.2 50
AX WX 10.0 11.10 12.30 1 17.0 23.5 1
AZ
WZ 11.0 12.20 13.50 1 18.2 22.0 1
BE XE 12.0 13.30 14.70 1 19.9 20.1 1
BG XG 13.0 14.40 15.90 1 21.5 18.6 1
BK XK 14.0 15.60 17.20 1 23.2 17.2 1
BM XM 15.0 16.70 18.50 1 24.4 16.4 1
BP XP 16.0 17.80 19.70 1 26.0 15.4 1
BR XR 17.0 18.90 20.90 1 27.6 14.5 1
BT XT 18.0 20.00 22.10 1 29.2 13.7 1
BV XV 20.0 22.20 24.50 1 32.4 12.3 1
113.6 29.4 50
SMAJ5.0A SMAJ5.0CA AE WE
SMAJ6.0A SMAJ6.0CA AG WG
SMAJ6.5A SMAJ6.5CA AK WK
SMAJ7.0A SMAJ7.0CA AM WM
SMAJ7.5A SMAJ7.5CA AP WP
SMAJ8.0A SMAJ8.0CA AR WR
SMAJ8.5A SMAJ8.5CA AT WT
SMAJ9.0A SMAJ9.0CA AV WV
SMAJ10A SMAJ10CA
SMAJ11A SMAJ11CA
SMAJ12A SMAJ12CA
SMAJ13A SMAJ13CA
SMAJ14A SMAJ14CA
SMAJ15A SMAJ15CA
SMAJ16A SMAJ16CA
SMAJ17A SMAJ17CA
SMAJ18A SMAJ18CA
SMAJ20A SMAJ20CA
5.0 6.40 7.00 10 9.2 43.5 800
6.0 6.67 7.37 10 10.3 38.8 800
6.5 7.22 7.98 10 11.2 35.7 500
7.0 7.78 8.60 10 12.0 33.3 200
7.5 8.33 9.21 1 12.9 31.0 100
8.5 9.44 10.40 1 14.4 27.8 20
9.0 10.00 11.10 1 15.4 26.0 10
8.89 9.83
SPECIFICATIONS
2
Rev 7
Transient 9ROWDJH6XSSUHVVRUV
SMAJ Series MERITEK
Part Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
Breakdown
Voltage
@IT
Breakdown
Voltage
@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@VRWM
UNI-POLAR BI-POLAR UNI BI VRWM(V) VBR MIN.(V) VBR MAX.(V) IT(mA) VC(V) IPP(A) IR(μA)
BX XX 22.0 24.40 26.90 1 35.5 11.3 1
BZ XZ 24.0 26.70 29.50 1 38.9 10.3 1
CE YE 26.0 28.90 31.90 1 42.1 9.5 1
CG YG 28.0 31.10 34.40 1 45.4 8.8 1
CK YK 30.0 33.30 36.80 1 48.4 8.3 1
CM YM 33.0 36.70 40.60 1 53.3 7.5 1
CP YP 36.0 40.00 44.20 1 58.1 6.9 1
CR YR 40.0 44.40 49.10 1 64.5 6.2 1
CT YT 43.0 47.80 52.80 1 69.4 5.8 1
CV YV 45.0 50.00 55.30 1 72.7 5.5 1
CX YX 48.0 53.30 58.90 1 77.4 5.2 1
CZ YZ 51.0 56.70 62.70 1 82.4 4.9 1
RE ZE 54.0 60.00 66.30 1 87.1 4.6 1
RG ZG 58.0 64.40 71.20 1 93.6 4.3 1
RK ZK 60.0 66.70 73.70 1 96.8 4.1 1
RM ZM 64.0 71.10 78.60 1 103.0 3.9 1
RP ZP 70.0 77.80 86.00 1 113.0 3.5 1
RR ZR 75.0 83.30 92.10 1 121.0 3.3 1
RT ZT 78.0 86.70 95.80 1 126.0 3.2 1
RV ZV 85.0 94.40 104.00 1 137.0 2.9 1
RX ZX 90.0 100.00 111.00 1 146.0 2.7 1
RZ ZZ 100.0 111.00 123.00 1 162.0 2.5 1
SE VE 110.0 122.00 135.00 1 177.0 2.3 1
SG VG 120.0 133.00 147.00 1 193.0 2.1 1
SK VK 130.0 144.00 159.00 1 209.0 1.9 1
SM VM 150.0 167.00 185.00 1 243.0 1.6 1
SP VP 160.0 178.00 197.00 1 259.0 1.5 1
SR VR 170.0 189.00 209.00 1 275.0 1.5 1
ST VT 180.0 201.00 222.00 1 292.0 1.4 1
SU YU 190.0 209.00 243.20 1 308.0 1.3 1
SV VV 200.0 224.00 247.00 1 324.0 1.2 1
SW YW 210.0 231.00 268.80 1 340.0 1.2 1
GE VX 220.0 246.00 272.00 1 356.0 1.1 1
SZ VZ 250.0 279.00 309.00 1 405.0 1.0 1
TE UE 300.0 335.00 371.00 1 486.0 0.8 1
TG UG 350.0 391.00 432.00 1 567.0 0.7 1
TK UK 400.0 447.00 494.00 1 648.0 0.6 1
TM UM 440.0 492.00 543.00 1 713.0 0.6 1
N
SMAJ22A SMAJ22CA
SMAJ24A SMAJ24CA
SMAJ26A SMAJ26CA
SMAJ28A SMAJ28CA
SMAJ30A SMAJ30CA
SMAJ33A SMAJ33CA
SMAJ36A SMAJ36CA
SMAJ40A SMAJ40CA
SMAJ43A SMAJ43CA
SMAJ45A SMAJ45CA
SMAJ48A SMAJ48CA
SMAJ51A SMAJ51CA
SMAJ54A SMAJ54CA
SMAJ58A SMAJ58CA
SMAJ60A SMAJ60CA
SMAJ64A SMAJ64CA
SMAJ70A SMAJ70CA
SMAJ75A SMAJ75CA
SMAJ78A SMAJ78CA
SMAJ85A SMAJ85CA
SMAJ90A SMAJ90CA
SMAJ100A SMAJ100CA
SMAJ110A SMAJ110CA
SMAJ120A SMAJ120CA
SMAJ130A SMAJ130CA
SMAJ150A SMAJ150CA
SMAJ160A SMAJ160CA
SMAJ170A SMAJ170CA
SMAJ180A SMAJ180CA
SMAJ190A SMAJ190CA
SMAJ200A SMAJ200CA
SMAJ210A SMAJ210CA
SMAJ220A SMAJ220CA
SMAJ250A SMAJ250CA
SMAJ300A SMAJ300CA
SMAJ350A SMAJ350CA
SMAJ400A SMAJ400CA
SMAJ440A SMAJ440CA
Note: For Bidirectional type having VRWM of 10 volts and less,the IR limit doubles.
3
Rev 7
Figure 1 - Peak Pulse Power Rating Curve Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Dissipation Derating Curve
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
RATING AND CHARACTERISTIC CURVES (TA: 25°C UNLESS OTHERWISE SPECIFIED)
Transient 9ROWDJH6XSSUHVVRUV
SMAJ Series MERITEK
0
20
40
60
80
100
0 25 50 75 100 125 150 175
TA-Ambient temperature (ºC)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
0.1
1
10
0.000001 0.00001 0.0001 0.001
td-Pulse Width (sec.)
PPPM-Peak Pulse Power (kW)
0
C
1
10
100
1000
10000
1.0 10.0 100.0 1000.0
Cj (pF)
Tj=25º C
f=1.0MHz
Vsig=50mVp-p
Uni-directional V=0V
Bi-directional V=0V
Uni-directional @VR
Bi-directional @VR
V
BR
- Reverse Breakdown Voltage (V)
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10μsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000μsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
0
0.2
0.4
0.6
0.8
1
1.2
0 25 50 75 100 125 150 175
PM(AV), Steady State Power Dissipation (W)
TA - Ambient Temperature (ºC)
0
5
10
15
20
25
30
35
40
45
1 10 100
Number of Cycles at 60 Hz
IFSM - Peak Forward Surve Current
(A)
4
Rev 7