SMAJ
Series
SMAJ = 400W
SMBJ = 600W
SMCJ = 1500W
1
Transient Suppression Diodes
For General Purpose Use
GENERAL DESCRIPTION
The SMAJ, SMBJ, and SMCJ Series are a popular format of general purpose
transient voltage suppression diodes. They are based on the low leakage,
high reliability, but low cost glass passivated chip rectifier technology.
FEATURES
• Glass passivated chip
• 400W, 600W and 1500W types (10/1000us)
• Low leakage
• Flat clamping
• Very fast response time
• Halogen Free
• ≤1μA leakage for 12V and up
• Lead-Free Terminations
APPLICATIONS
• Consumer
• Industrial
• Telecom
• Computer
HOW TO ORDER
12
VoltageWM
5V - 440V
CA
C = Bi-directional, 5% Voltage Tolerance
A = Uni-directional, 5% Voltage Tolerance
MAXIMUM RATINGS
RATING SYMBOL SMAJ SMBJ SMCJ UNITS
Peak power dissipation with a 10/1000us waveform1PPPM 400 600 1500 Watts
Peak pulse current with a 10/1000us waveform1IPPM See tables Amps
Power dissipation on infinite heat sink at TL = 75ºC PD1.0 5.0 6.5 Watts
Peak forward surge current,8.3ms single half IFSM 40 100 200 Amps
sine-wave unidirectional only2
Operating junction and storage temperature range TJ,TSTG -55 ~ 150 -55 ~ 150 -55 ~ 150 ºC
Typical thermal resistance junction to air θJA 120 100 75 ºC/W
Typical thermal resistance junction to case θJC 30 20 15 ºC/W
NOTES:
1. Non-repetitive current pulse per Fig. 5 and derated above TA= 25ºC per Fig. 1
2. Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
SMAJ
SMBJ
SMCJ
2
Transient Suppression Diodes
For General Purpose Use
SMAJ SERIES PARAMETERS
SMAJ Device Working Peak Breakdown Voltage Maximum Maximum Maximum
Part Number Marking Reverse Voltage VBR @IT
Clamping Reverse Reverse
Code VRWM Voltage VC(V) Surge Current Leakage IR(μA)
UNI-POLAR BI-POLAR UNI BI
(V) Min. (V) Max. (V) IT (mA)
@ IPP @10 x 1000μs @VRWM
SMAJ5.0A SMAJ5.0CA AE WE 5 6.4 7 10 9.2 43.48 800
SMAJ6.0A SMAJ6.0CA AG WG 6 6.7 7.37 10 10.3 38.83 800
SMAJ6.5A SMAJ6.5CA AK WK 6.5 7.2 7.98 10 11.2 35.71 500
SMAJ7.0A SMAJ7.0CA AM WM 7 7.8 8.6 10 12 33.33 200
SMAJ7.5A SMAJ7.5CA AP WP 7.5 8.3 9.21 1 12.9 31.01 100
SMAJ8.0A SMAJ8.0CA AR WR 8 8.9 9.83 1 13.6 29.41 50
SMAJ8.5A SMAJ8.5CA AT WT 8.5 9.4 10.4 1 14.4 27.78 10
SMAJ9.0A SMAJ9.0CA AV WV 9 10 11.1 1 15.4 25.97 1
SMAJ10A SMAJ10CA AX WX 10 11.1 12.3 1 17 23.53 1
SMAJ11A SMAJ11CA AZ WZ 11 12.2 13.5 1 18.2 21.98 1
SMAJ12A SMAJ12CA BE XE 12 13.3 14.7 1 19.9 20.1 1
SMAJ13A SMAJ13CA BG XG 13 14.4 15.9 1 21.5 18.6 1
SMAJ14A SMAJ14CA BK XK 14 15.6 17.2 1 23.2 17.24 1
SMAJ15A SMAJ15CA BM XM 15 16.7 18.5 1 24.4 16.39 1
SMAJ16A SMAJ16CA BP XP 16 17.8 19.7 1 26 15.38 1
SMAJ17A SMAJ17CA BR XR 17 18.9 20.9 1 27.6 14.49 1
SMAJ18A SMAJ18CA BT XT 18 20 22.1 1 29.2 13.7 1
SMAJ19A SMAJ19CA BB XB 19 21.1 23.3 1 30.8 13 1
SMAJ20A SMAJ20CA BV XV 20 22.2 24.5 1 32.4 12.35 1
SMAJ22A SMAJ22CA BX XX 22 24.4 26.9 1 35.5 11.27 1
SMAJ24A SMAJ24CA BZ XZ 24 26.7 29.5 1 38.9 10.28 1
SMAJ26A SMAJ26CA CE YE 26 28.9 31.9 1 42.1 9.5 1
SMAJ28A SMAJ28CA CG YG 28 31.1 34.4 1 45.4 8.81 1
SMAJ30A SMAJ30CA CK YK 30 33.3 36.8 1 48.4 8.26 1
SMAJ33A SMAJ33CA CM YM 33 36.7 40.6 1 53.3 7.5 1
SMAJ36A SMAJ36CA CP YP 36 40 44.2 1 58.1 6.88 1
SMAJ40A SMAJ40CA CR YR 40 44.4 49.1 1 64.5 6.2 1
SMAJ43A SMAJ43CA CT YT 43 47.8 52.8 1 69.4 5.76 1
SMAJ45A SMAJ45CA CV YV 45 50 55.3 1 72.7 5.5 1
SMAJ48A SMAJ48CA CX YX 48 53.3 58.9 1 77.4 5.17 1
SMAJ51A SMAJ51CA CZ YZ 51 56.7 62.7 1 82.4 4.85 1
SMAJ54A SMAJ54CA RE ZE 54 60 66.3 1 87.1 4.59 1
SMAJ58A SMAJ58CA RG ZG 58 64.4 71.2 1 93.6 4.27 1
SMAJ60A SMAJ60CA RK ZK 60 66.7 73.7 1 96.8 4.13 1
SMAJ64A SMAJ64CA RM ZM 64 71.1 78.6 1 103 3.88 1
SMAJ70A SMAJ70CA RP ZP 70 77.8 86 1 113 3.54 1
SMAJ75A SMAJ75CA RR ZR 75 83.3 92.1 1 121 3.31 1
SMAJ78A SMAJ78CA RT ZT 78 86.7 95.8 1 126 3.17 1
SMAJ80A SMAJ80CA RB ZB 80 88.8 97.6 1 130 3.09 1
SMAJ85A SMAJ85CA RV ZV 85 94.4 104 1 137 2.92 1
SMAJ90A SMAJ90CA RX ZX 90 100 111 1 146 2.74 1
SMAJ100A SMAJ100CA RZ ZZ 100 111 123 1 162 2.47 1
SMAJ110A SMAJ110CA SE VE 110 122 135 1 177 2.26 1
SMAJ120A SMAJ120CA SG VG 120 133 147 1 193 2.07 1
SMAJ130A SMAJ130CA SK VK 130 144 159 1 209 1.91 1
SMAJ140A SMAJ140CA SB VB 140 155 171 1 227 1.76 1
SMAJ150A SMAJ150CA SM VM 150 167 185 1 243 1.65 1
SMAJ160A SMAJ160CA SP VP 160 178 197 1 259 1.54 1
SMAJ170A SMAJ170CA SR VR 170 189 209 1 275 1.45 1
SMAJ180A SMAJ180CA ST VT 180 200 220 1 292 1.37 1
SMAJ190A SMAJ190CA SV VV 190 211 232 1 308 1.3 1
SMAJ200A SMAJ200CA SW VW 200 224 247 1 324 1.23 1
SMAJ220A SMAJ220CA SX VX 220 246 272 1 356 1.12 1
SMAJ250A SMAJ250CA SZ VZ 250 279 309 1 405 0.99 1
SMAJ300A SMAJ300CA DE HE 300 335 371 1 486 0.82 1
SMAJ350A SMAJ350CA DG HG 350 391 432 1 567 0.71 1
SMAJ400A SMAJ400CA DK HK 400 447 494 1 648 0.62 1
SMAJ440A SMAJ440CA DM HM 440 492 543 1 713 0.56 1
NOTES:
1. Suffix “A” denotes 5% tolerance device.
2. Add suffix “CA” after part number to specify Bi-directional devices.
3. For Bi-Directional devices having VR of 10 volts and under, the IRlimit is double.
3
Transient Suppression Diodes
For General Purpose Use
SMAJ SERIES RATINGS AND CHARACTERISTICS
0
100
75
50
25
0
25 50 75 100 125 150 175 200 1
0.1
0.1
0.1
10
100
1 10 100 1000 10000
50
40
30
20
10
010 100
Ambient Temperature TA (ºC)
Lead Temperature TL (ºC) Pulse Width td (µs)
Number of Cycles at 60Hz
Peak Pulse Derating in Percentage
of Peak Power or Current (%)
Peak Forward Surge Current (A)Peak Power (kW)
0
100
75
50
25
0
25 50 75 100 125 150 175 200
Steady State Power Dissipation (W)
TJ = TJ max.
8.3 ms Single Half Sine-Wave
Non-repetitive Pulse
Waveform shown in Fig 5
TA = 25ºC
Peak Pulse Current (%)
100
50
001234
Time (ms)
TJ = 25ºC
Pulse width (td) is defined as the
point where the peak current
decasys to 50% of IPP
Tr = 10µs
td
Peak Value (IPP)
Half value = IPP
2
10/100µsec. waveform
as defined by R.E.A.
FIG 1. PULSE DERATING CURVE FIG 2. MAXIMUM NON-REPETITIVE
FIG 4. PEAK PULSE POWER RATING CURVE
FIG 5. PULSE WAVEFORM
FIG 3. STEADY STATE POWER DERATING CURVE
4
Transient Suppression Diodes
For General Purpose Use
SMBJ SERIES PARAMETERS
SMBJ Device Working Peak Breakdown Voltage Maximum Maximum Maximum
Part Number Marking Reverse Voltage VBR @IT
Clamping Reverse Reverse
Code VRWM Voltage VC(V) Surge Current Leakage IR(μA)
UNI-POLAR BI-POLAR UNI BI
(V) Min. (V) Max. (V) IT (mA)
@ IPP @10 x 1000μs @VRWM
SMBJ5.0A SMBJ5.0CA KE AE 5.0 6.40 7.00 10 9.2 65.22 800
SMBJ6.0A SMBJ6.0CA KG AG 6.0 6.67 7.37 10 10.3 58.25 800
SMBJ6.5A SMBJ6.5CA KK AK 6.5 7.22 7.98 10 11.2 53.57 500
SMBJ7.0A SMBJ7.0CA KM AM 7.0 7.78 8.60 10 12.0 50.00 200
SMBJ7.5A SMBJ7.5CA KP AP 7.5 8.33 9.21 1 12.9 46.51 100
SMBJ8.0A SMBJ8.0CA KR AR 8.0 8.89 9.83 1 13.6 44.12 50
SMBJ8.5A SMBJ8.5CA KT AT 8.5 9.44 10.4 1 14.4 41.67 10
SMBJ9.0A SMBJ9.0CA KV AV 9.0 10.0 11.1 1 15.4 38.96 1
SMBJ10A SMBJ10CA KX AX 10 11.1 12.3 1 17.0 35.29 1
SMBJ11A SMBJ11CA KZ AZ 11 12.2 13.5 1 18.2 32.97 1
SMBJ12A SMBJ12CA LE BE 12 13.3 14.7 1 19.9 30.15 1
SMBJ13A SMBJ13CA LG BG 13 14.4 15.9 1 21.5 27.91 1
SMBJ14A SMBJ14CA LK BK 14 15.6 17.2 1 23.2 25.86 1
SMBJ15A SMBJ15CA LM BM 15 16.7 18.5 1 24.4 24.59 1
SMBJ16A SMBJ16CA LP BP 16 17.8 19.7 1 26.0 23.08 1
SMBJ17A SMBJ17CA LR BR 17 18.9 20.9 1 27.6 21.74 1
SMBJ18A SMBJ18CA LT BT 18 20.0 22.1 1 29.2 20.55 1
SMBJ19A SMBJ19CA LB BB 19 21.1 23.3 1 30.8 19.49 1
SMBJ20A SMBJ20CA LV BV 20 22.2 24.5 1 32.4 18.52 1
SMBJ22A SMBJ22CA LX BX 22 24.4 26.9 1 35.5 16.90 1
SMBJ24A SMBJ24CA LZ BZ 24 26.7 29.5 1 38.9 15.42 1
SMBJ26A SMBJ26CA ME CE 26 28.9 31.9 1 42.1 14.25 1
SMBJ28A SMBJ28CA MG CG 28 31.1 34.4 1 45.4 13.22 1
SMBJ30A SMBJ30CA MK CK 30 33.3 36.8 1 48.4 12.40 1
SMBJ33A SMBJ33CA MM CM 33 36.7 40.6 1 53.3 11.26 1
SMBJ36A SMBJ36CA MP CP 36 40.0 44.2 1 58.1 10.33 1
SMBJ40A SMBJ40CA MR CR 40 44.4 49.1 1 64.5 9.30 1
SMBJ43A SMBJ43CA MT CT 43 47.8 52.8 1 69.4 8.65 1
SMBJ45A SMBJ45CA MV CV 45 50.0 55.3 1 72.7 8.25 1
SMBJ48A SMBJ48CA MX CX 48 53.3 58.9 1 77.4 7.75 1
SMBJ51A SMBJ51CA MZ CZ 51 56.7 62.7 1 82.4 7.28 1
SMBJ54A SMBJ54CA NE DE 54 60.0 66.3 1 87.1 6.89 1
SMBJ58A SMBJ58CA NG DG 58 64.4 71.2 1 93.6 6.41 1
SMBJ60A SMBJ60CA NK DK 60 66.7 73.7 1 96.8 6.20 1
SMBJ64A SMBJ64CA NM DM 64 71.1 78.6 1 103 5.83 1
SMBJ70A SMBJ70CA NP DP 70 77.8 86.0 1 113 5.31 1
SMBJ75A SMBJ75CA NR DR 75 83.3 92.1 1 121 4.96 1
SMBJ78A SMBJ78CA NT DT 78 86.7 95.8 1 126 4.76 1
SMBJ80A SMBJ80CA NB DB 80 88.8 97.6 1 130 4.63 1
SMBJ85A SMBJ85CA NV DV 85 94.4 104 1 137 4.38 1
SMBJ90A SMBJ90CA NX DX 90 100 111 1 146 4.11 1
SMBJ100A SMBJ100CA NZ DZ 100 111 123 1 162 3.70 1
SMBJ110A SMBJ110CA PE EE 110 122 135 1 177 3.39 1
SMBJ120A SMBJ120CA PG EG 120 133 147 1 193 3.11 1
SMBJ130A SMBJ130CA PK EK 130 144 159 1 209 2.87 1
SMBJ140A SMBJ140CA PB EB 140 155 171 1 227 2.65 1
SMBJ150A SMBJ150CA PM EM 150 167 185 1 243 2.47 1
SMBJ160A SMBJ160CA PP EP 160 178 197 1 259 2.32 1
SMBJ170A SMBJ170CA PR ER 170 189 209 1 275 2.18 1
SMBJ180A SMBJ180CA PT ET 180 200 220 1 292 2.06 1
SMBJ190A SMBJ190CA PV EV 190 211 232 1 308 1.95 1
SMBJ200A SMBJ200CA PW EW 200 224 247 1 324 1.85 1
SMBJ220A SMBJ220CA PX EX 220 246 272 1 356 1.69 1
SMBJ250A SMBJ250CA PZ EZ 250 279 309 1 405 1.48 1
SMBJ300A SMBJ300CA QE FE 300 335 371 1 486 1.23 1
SMBJ350A SMBJ350CA QG FG 350 391 432 1 567 1.06 1
SMBJ400A SMBJ400CA QK FK 400 447 494 1 648 0.93 1
SMBJ440A SMBJ440CA QM FM 440 492 543 1 713 0.84 1
NOTES:
1. Suffix “A” denotes 5% tolerance device.
2. Add suffix “CA” after part number to specify Bi-directional devices.
3. For Bi-Directional devices having VR of 10 volts and under, the IRlimit is double.
5
Transient Suppression Diodes
For General Purpose Use
SMBJ SERIES RATINGS AND CHARACTERISTICS
0
100
75
50
25
0
25 50 75 100 125 150 175 200 1
0.1
0.1
0.1
10
100
1 10 100 1000 10000
100
80
60
40
20
0
10 100
Ambient Temperature TA (ºC)
Lead Temperature TL (ºC) Pulse Width td (µs)
Number of Cycles at 60Hz
Peak Pulse Derating in Percentage
of Peak Power or Current (%)
Peak Forward Surge Current (A)Peak Power (kW)
0
5.0
4.0
3.0
2.0
1.0
0
25 50 75 100 125 150 175 200
Steady State Power Dissipation (W)
TJ = TJ max.
8.3 ms Single Half Sine-Wave
Non-repetitive Pulse
Waveform shown in Fig 5
TA = 25ºC
Peak Pulse Current (%)
100
50
001234
Time (ms)
TJ = 25ºC
Pulse width (td) is defined as the
point where the peak current
decasys to 50% of IPP
Tr = 10µs
td
Peak Value (IPP)
Half value = IPP
2
10/100µsec. waveform
as defined by R.E.A.
FIG 1. PULSE DERATING CURVE FIG 2. MAXIMUM NON-REPETITIVE
FIG 4. PEAK PULSE POWER RATING CURVE
FIG 5. PULSE WAVEFORM
FIG 3. STEADY STATE POWER DERATING CURVE
6
Transient Suppression Diodes
For General Purpose Use
SMCJ SERIES PARAMETERS
SMCJ Device Working Peak Breakdown Voltage Maximum Maximum Maximum
Part Number Marking Reverse Voltage VBR @IT
Clamping Reverse Reverse
Code VRWM Voltage VC(V) Surge Current Leakage IR(μA)
UNI-POLAR BI-POLAR UNI BI
(V) Min. (V) Max. (V) IT (mA)
@ IPP @10 x 1000μs @VRWM
SMCJ5.0A SMCJ5.0CA GDE BDE 5.0 6.40 7.00 10 9.2 163.0 800
SMCJ6.0A SMCJ6.0CA GDG BDG 6.0 6.67 7.37 10 10.3 145.6 800
SMCJ6.5A SMCJ6.5CA GDK BDK 6.5 7.22 7.98 10 11.2 133.9 500
SMCJ7.0A SMCJ7.0CA GDM BDM 7.0 7.78 8.60 10 12.0 125.0 200
SMCJ7.5A SMCJ7.5CA GDP BDP 7.5 8.33 9.21 1 12.9 116.3 100
SMCJ8.0A SMCJ8.0CA GDR BDR 8.0 8.89 9.83 1 13.6 110.3 50
SMCJ8.5A SMCJ8.5CA GDT BDT 8.5 9.44 10.40 1 14.4 104.2 10
SMCJ9.0A SMCJ9.0CA GDV BDV 9.0 10.00 11.10 1 15.4 97.4 5.0
SMCJ10A SMCJ10CA GDX BDX 10 11.10 12.30 1 17.0 88.2 5.0
SMCJ11A SMCJ11CA GDZ BDZ 11 12.20 13.50 1 18.2 82.4 5.0
SMCJ12A SMCJ12CA GEE BEE 12 13.30 14.70 1 19.9 75.4 5.0
SMCJ13A SMCJ13CA GEG BEG 13 14.40 15.90 1 21.5 69.8 5.0
SMCJ14A SMCJ14CA GEK BEK 14 15.60 17.20 1 23.2 64.7 5.0
SMCJ15A SMCJ15CA GEM BEM 15 16.70 18.50 1 24.4 61.5 5.0
SMCJ16A SMCJ16CA GEP BEP 16 17.80 19.70 1 26.0 57.7 5.0
SMCJ17A SMCJ17CA GER BER 17 18.90 20.90 1 27.6 54.3 5.0
SMCJ18A SMCJ18CA GET BET 18 20.00 22.10 1 29.2 51.4 5.0
SMCJ19A SMCJ19CA GEB BEB 19 21.10 23.30 1 30.8 48.7 5.0
SMCJ20A SMCJ20CA GEV BEV 20 22.20 24.50 1 32.4 46.3 5.0
SMCJ22A SMCJ22CA GEX BEX 22 24.40 26.90 1 35.5 42.3 5.0
SMCJ24A SMCJ24CA GEZ BEZ 24 26.70 29.50 1 38.9 38.6 5.0
SMCJ26A SMCJ26CA GFE BFE 26 28.90 31.90 1 42.1 35.6 5.0
SMCJ28A SMCJ28CA GFG BFG 28 31.10 34.40 1 45.4 33.0 5.0
SMCJ30A SMCJ30CA GFK BFK 30 33.30 36.80 1 48.4 31.0 5.0
SMCJ33A SMCJ33CA GFM BFM 33 36.70 40.60 1 53.3 28.1 5.0
SMCJ36A SMCJ36CA GFP BFP 36 40.00 44.20 1 58.1 25.8 5.0
SMCJ40A SMCJ40CA GFR BFR 40 44.40 49.10 1 64.5 23.3 5.0
SMCJ43A SMCJ43CA GFT BFT 43 47.80 52.80 1 69.4 21.6 5.0
SMCJ45A SMCJ45CA GFV BFV 45 50.00 55.30 1 72.7 20.6 5.0
SMCJ48A SMCJ48CA GFX BFX 48 53.30 58.90 1 77.4 19.4 5.0
SMCJ51A SMCJ51CA GFZ BFZ 51 56.70 62.70 1 82.4 18.2 5.0
SMCJ54A SMCJ54CA GGE BGE 54 60.00 66.30 1 87.1 17.2 5.0
SMCJ58A SMCJ58CA GGG BGG 58 64.40 71.20 1 93.6 16.0 5.0
SMCJ60A SMCJ60CA GGK BGK 60 66.70 73.70 1 96.8 15.5 5.0
SMCJ64A SMCJ64CA GGM BGM 64 71.10 78.60 1 103 14.6 5.0
SMCJ70A SMCJ70CA GGP BGP 70 77.80 86.00 1 113 13.3 5.0
SMCJ75A SMCJ75CA GGR BGR 75 83.30 92.10 1 121 12.4 5.0
SMCJ78A SMCJ78CA GGT BGT 78 86.70 95.80 1 126 11.9 5.0
SMCJ80A SMCJ80CA GGB BGB 80 88.80 97.60 1 130 11.6 5.0
SMCJ85A SMCJ85CA GGV BGV 85 94.40 104 1 137 10.9 5.0
SMCJ90A SMCJ90CA GGX BGX 90 100 111 1 146 10.3 5.0
SMCJ100A SMCJ100CA GGZ BGZ 100 111 123 1 162 9.3 5.0
SMCJ110A SMCJ110CA GHE BHE 110 122 135 1 177 8.5 5.0
SMCJ120A SMCJ120CA GHG BHG 120 133 147 1 193 7.8 5.0
SMCJ130A SMCJ130CA GHK BHK 130 144 159 1 209 7.2 5.0
SMCJ140A SMCJ140CA GHB BHB 140 155 171 1 227 6.6 5.0
SMCJ150A SMCJ150CA GHM BHM 150 167 185 1 243 6.2 5.0
SMCJ160A SMCJ160CA GHP BHP 160 178 197 1 259 5.8 5.0
SMCJ170A SMCJ170CA GHR BHR 170 189 209 1 275 5.5 5.0
SMCJ180A SMCJ180CA GHT BHT 180 200 220 1 291 5.1 5.0
SMCJ190A SMCJ190CA GHV BHV 190 211 232 1 308 4.9 5.0
SMCJ200A SMCJ200CA GHW BHW 200 224 247 1 324 4.6 5.0
SMCJ220A SMCJ220CA GHX BHX 220 246 272 1 356 4.2 5.0
SMCJ250A SMCJ250CA GHZ BHZ 250 279 309 1 405 3.7 5.0
SMCJ300A SMCJ300CA GJE BJE 300 335 371 1 486 3.1 5.0
SMCJ350A SMCJ350CA GJG BJG 350 391 432 1 567 2.6 5.0
SMCJ400A SMCJ400CA GJK BJK 400 447 494 1 648 2.3 5.0
SMCJ440A SMCJ440CA GJM BJM 440 492 543 1 713 2.1 5.0
NOTES:
1. Suffix “A” denotes 5% tolerance device.
2. Add suffix “CA” after part number to specify Bi-directional devices.
3. For Bi-Directional devices having VR of 10 volts and under, the IRlimit is double.
7
Transient Suppression Diodes
For General Purpose Use
SMCJ SERIES RATINGS AND CHARACTERISTICS
0
100
75
50
25
0
25 50 75 100 125 150 175 200 1
0.1
0.1
1
10
100
1 10 100 1000 10000
200
160
120
80
40
010 100
Ambient Temperature TA (ºC)
Lead Temperature TL (ºC) Pulse Width td (µs)
Number of Cycles at 60Hz
Peak Pulse Derating in Percentage
of Peak Power or Current (%)
Peak Forward Surge Current (A)
Peak Power (kW)
0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
25 50 75 100 125 150 175 200
Steady State Power Dissipation (W)
TJ = TJ max.
8.3 ms Single Half Sine-Wave
Non-repetitive Pulse
Waveform shown in Fig 5
TA = 25ºC
Peak Pulse Current (%)
100
50
001234
Time (ms)
TJ = 25ºC
Pulse width (td) is defined as the
point where the peak current
decasys to 50% of IPP
Tr = 10µs
td
Peak Value (IPP)
Half value = IPP
2
10/100µsec. waveform
as defined by R.E.A.
FIG 1. PULSE DERATING CURVE FIG 2. MAXIMUM NON-REPETITIVE
FIG 4. PEAK PULSE POWER RATING CURVE
FIG 5. PULSE WAVEFORM
FIG 3. STEADY STATE POWER DERATING CURVE
8
COMPONENT DIMENSIONS
RECOMMENDED PAD DIMENSIONS
SMA/DO-214AC SMB/DO-214AA SMC/DO-214AB
Transient Suppression Diodes
For General Purpose Use
DO-214AC (SMA)
1.47 (0.058)
Min.
5.49 (0.216) Ref.
1.27 (0.050)
Min.
2.10 (0.083)
Max.
DO-214AA (SMB)
5.59 (0.220) Ref.
2.10 (0.083)
Min.
2.65 (0.104)
Max.
1.27 (0.050)
Min.
8.12 (0.320) Ref.
3.07 (0.121)
Min.
4.69 (0.185)
Max.
1.52 (0.060)
Min.
DO-214AB (SMC)
9
PACKAGING SPECIFICATIONS FOR SMA, SMB, SMC SERIES OR
GENERAL PURPOSE TRANSIENT VOLTAGE SUPPRESSION DIODES
Transient Suppression Diodes
For General Purpose Use
D1
For components
2.00 mm x 1.20 mm and
larger (0.079 x 0.047)
User Direction of Feed
t
K
Top
Cover
Tape
B1K0
For Machine Reference Only
Including Draft Radii
Concentric Around Bo
10 pitches
cumulative
tolerance on
tape
±0.2mm (0.008)
D
P0
P2
W
F
E
P
A0
B0
CARRIER TAPE
SYMBOL SPECIFICATIONS
Unit SMA SMB SMC
Wmm 12.0±0.3 12.0±0.3 16.0±0.3
Dmm 1.55±0.1-0.0 1.55±0.1-0.0 1.55±0.1-0.0
Emm 1.75±0.10 1.75±0.10 1.75±0.10
P0 mm 4.0±0.10 4.0±0.10 4.0±0.10
t (Max) mm 0.400 0.400 0.400
A0 mm 2.79±0.10 3.67±0.10 6.05±0.10
B0 mm 5.33±0.10 5.69±0.10 8.31±0.10
K0 mm 2.36±0.10 2.67±0.10 2.54±0.10
B1 (Max) mm 8.2 8.2 12.1
D1 (Min) mm 1.5 1.5 1.5
Fmm 5.5±0.05 5.5±0.05 7.5±0.05
K (Max) mm 4.5 4.5 3.29
P2 mm 2.0±0.05 2.0±0.05 2.0±0.05
Pmm 4.0±0.10 8.0±0.10 8.0±0.10
10
Transient Suppression Diodes
For General Purpose Use
REEL
QUANTITIES
FULL RADIUS
D*
B C
N
G (Measured at Hub)
T
A
Embossed Carrier
Top cover
tape thickness
0.10mm (0.004in) Max.
SYMBOL SPECIFICATIONS
Unit SMA SMB SMC
Tape size mm 12 12 16
Ainch 13 13 13
B (max) mm 1.5 1.5 1.5
Cmm 13±0.2 13±0.2 13±0.2
D (max) mm 20.2 20.2 20.2
N (min) mm 50 50 50
Gmm 12.4 +2.0/0.0 12.4 +2.0/-0.0 16.4 +2.0/-0.0
T (max) mm 18.4 18.4 22.4
SYMBOL SPECIFICATIONS
Unit SMA SMB SMC
Qty per reel k7.5 3 3
Weight per reel kg 0.85 0.6 1.2