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SMBJ SERIES
Surface Mount Transient Voltage Suppressor
Voltage Range 5.0 to 170 Volts 600 Watts Peak Power
Features
For surface mounted application Low profile package Built-in strain relief Glass passivated junction Excellent clamping capability Fast response time: Typically less than 1.0ps from 0 volt to BV min. Typical IR less than 1A above 10V High temperature soldering guaranteed: 260OC / 10 seconds at terminals Plastic material used carries Underwriters Laboratory Flammability Classification 94V-0 600 watts peak pulse power capability with a 10 x 1000 us waveform by 0.01% duty cycle
.082(2.08) .076(1.93)
SMB/DO-214AA
.147(3.73) .137(3.48)
.187(4.75) .167(4.25) .012(.31) .006(.15)
.103(2.61) .078(1.99) .012(.31) .006(.15) .056(1.41) .035(0.90) .208(5.28) .200(5.08) .008(.20) .004(.10)
Mechanical Data
Case: Molded plastic Terminals: Solder plated Polarity: Indicated by cathode bandexcept bipolar Standard packaging: 12mm tape (EIA STD RS-481) Weight: 0.093gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25ambient temperature unless otherwise specified. Type Number
Peak Power Dissipation at TA=25 C, Tp=1ms(Note
O
Symbol PPK Pd IFSM VF RJL RJA TJ, TSTG
Value Minimum 600 3 100 3.5 / 5.0 10 55 -65 to + 150
O
Units Watts Watts Amps Volts /W
O
1) Steady State Power Dissipation Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 2, 3) - Unidirectional Only Maximum Instantaneous Forward Voltage at 50.0A for Unidirectional Only (Note 4) Typical Thermal Resistance (Note 5) Operating and Storage Temperature Range
C
Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25 C Per Fig. 2. 2. Mounted on 0.4 x 0.4" (10 x 10mm) Copper Pads to Each Terminal. 3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 pulses Per Minute Maximum. 4. VF=3.5V on SMBJ5.0 thru SMBJ90 Devices and VF=5.0V on SMBJ100 thru SMBJ170 Devices. 5. Measured on P.C.B. with 0.27" x 0.27" (7.0mm x 7.0mm) Copper Pad Areas. Devices for Bipolar Applications 1. For Bidrectional Use C or CA Suffix for Types SMBJ5.0 through Types SMBJ170. 2. Electrical Characteristics Apply in Both Directions.
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RATINGS AND CHARACTERISTIC CURVES (SMBJ SERIES)
FIG.1- PEAK PULSE POWER RATING CURVE
NON-REPETITIVE PULSE WAVEFORM SHOWN in FIG. 3 TA=250C
FIG.2- PULSE DERATING CURVE
PEAK PULSE POWER (Pppm) or CURRENT (lpp) DERATING IN PERCENTAGE, %
100
100
Pppm, PEAK PULSE POWER, KW
75
10
50
1
25
0.2" sq 5.0mm2 COPPER PAD AREAS
0.1 0.1 s
1.0 s
10 s
100 s
1.0ms
10ms
0 0 25 50 75 100 125
O
150
175
200
td. PULSE WIDTH, sec.
TA, AMBIENT TEMPERATURE. C
FIG.3- PULSE WAVEFORM
150
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
200 8.3ms Single Half Sine Wave JEDEC Method UNIDIRECTIONAL ONLY
lppm, PEAK PULSE CURRENT % IRSM
PULSE WIDTH (td) is DEFINED tr=10 sec. AS THE POINT WHERE THE PEAK CURRENT DECAYS to 50% of lppm
100
100
PEAK VALUE lppm HALF VALUE- lpp 2
50
10/1000 sec. WAVEFORM AS DEFINED BY R.E.A.
0 0
td
10 1.0 2.0 t, TIME, ms 3.0 4.0 1 10 NUMBER OF CYCLES AT 60Hz 100
FIG.5- TYPICAL JUNCTION CAPACITANCE
6000
Tj=25 0C f=1.0MHz Vsig=50mVp-p MEASURED AT ZERO BIAS
1000
Cj, JUNCTION CAPACITANCE, pF
100
VR MEASURED AT STAND-OFF VOLTAGE,VWM
10 1 2 10 20 100 200 VWM, REVERSE STAND-OFF VOLTAGE. (V)
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ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
Device Device Marking code
KD KE KF KG KH KK KL KM KN KP KQ KR KS KT KU KV KW KX KY KZ LD LE LF LG LH LK LL LM LN LP LQ LR LS LT LU LV LW LX LY LZ MD ME MF MG MH MK ML MM MN MP MQ MR MS MT MU MV MW MX MY MZ ND NE NF NG NH NK NL NM NN NP NQ NR NS NT NU NV NW NX NY NZ PD PE PF PG PH PK PL PM PN PP PQ PR
Breakdown Voltage VBR (Volts) (Note 1) Min Max
6.40 6.40 6.67 6.67 7.22 7.22 7.78 7.78 8.33 8.33 8.89 8.89 9.44 9.44 10.0 10.0 11.1 11.1 12.2 12.2 13.3 13.3 14.4 14.4 15.6 15.6 16.7 16.7 17.8 17.8 18.9 18.9 20.0 20.0 22.2 22.2 24.4 24.4 26.7 26.7 28.9 28.9 31.1 31.1 33.3 33.3 36.7 36.7 40.0 40.0 44.4 44.4 47.8 47.8 50.0 50.0 53.3 53.3 56.7 56.7 60.0 60.0 64.4 64.4 66.7 66.7 71.1 71.1 77.8 77.8 83.3 83.3 86.7 86.7 94.4 94.4 100 100 111 111 122 122 133 133 144 144 167 167 178 178 189 189 7.30 7.00 8.15 7.37 8.82 7.98 9.51 8.60 10.3 9.21 10.9 9.83 11.5 10.4 12.2 11.1 13.6 12.3 14.9 13.5 16.3 14.7 17.6 15.9 19.1 17.2 20.4 18.5 21.8 19.7 23.1 20.9 24.4 22.1 27.1 24.5 29.8 26.9 32.6 29.5 35.3 31.9 38.0 34.4 40.7 36.8 44.9 40.6 48.9 44.2 54.3 49.1 58.4 52.8 61.1 55.3 65.1 58.9 69.3 62.7 73.3 66.3 78.7 71.2 81.5 73.7 86.9 78.6 95.1 86.0 102 92.1 106 95.8 115 104 122 111 136 123 149 135 163 147 176 159 204 185 218 197 231 209
Test Current @IT(mA)
10 10 10 10 10 10 10 10 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Stand-Off Voltage VWM (Volts)
5.0 5.0 6.0 6.0 6.5 6.5 7.0 7.0 7.5 7.5 8.0 8.0 8.5 8.5 9.0 9.0 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 20 20 22 22 24 24 26 26 28 28 30 30 33 33 36 36 40 40 43 43 45 45 48 48 51 51 54 54 58 58 60 60 64 64 70 70 75 75 78 78 85 85 90 90 100 100 110 110 120 120 130 130 150 150 160 160 170 170
Maximum Maximum Maximum Reverse Leakage Peak Surge Clamping at Vwm Current IPPM Voltage at IPPM ID (uA) (Note 2)(Amps) VC(Volts)
800.0 800.0 800.0 800.0 500.0 500.0 200.0 200.0 100.0 100.0 50.0 50.0 20.0 20.0 10.0 10.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 65 68 55 61 51 56 47 52 44 48 42 46 39 43 37 40 33 37 31 34 28 31 26 29 24.4 27 23.1 25.1 21.8 24.2 20.0 22.8 19.5 21.5 17.6 19.4 15.0 17.7 14.6 16.0 13.5 14.9 12.6 13.8 11.7 13.0 10.6 11.8 9.8 10.8 8.8 9.7 8.2 9.0 7.8 8.6 7.3 8.1 6.9 7.6 6.5 7.2 6.1 6.7 5.8 6.5 5.5 6.1 5.0 5.5 4.7 5.2 4.5 5.0 4.1 4.6 3.9 4.3 3.5 3.8 3.2 3.5 2.9 3.2 2.7 3.0 2.3 2.5 2.2 2.4 2.0 2.2 9.6 9.2 11.4 10.3 12.3 11.2 13.3 12.0 14.3 12.9 15.0 13.6 15.9 14.4 16.9 15.4 18.8 17.0 20.1 18.2 22.0 19.9 23.8 21.5 25.8 23.2 26.9 24.4 28.8 26.0 30.5 27.6 32.2 29.2 35.8 32.4 39.4 35.5 43.0 38.9 46.6 42.1 50.0 45.4 53.5 48.4 59.0 53.3 64.3 58.1 71.4 64.5 76.7 69.4 80.3 72.7 85.5 77.4 91.1 82.4 96.3 87.1 103 93.6 107 96.8 114 103 125 113 134 121 139 126 151 137 160 146 179 162 196 177 214 193 231 209 268 243 287 259 304 275
SMBJ5.0 SMBJ5.0A SMBJ6.0 SMBJ6.0A SMBJ6.5 SMBJ6.5A SMBJ7.0 SMBJ7.0A SMBJ7.5 SMBJ7.5A SMBJ8.0 SMBJ8.0A SMBJ8.5 SMBJ8.5A SMBJ9.0 SMBJ9.0A SMBJ10 SMBJ10A SMBJ11 SMBJ11A SMBJ12 SMBJ12A SMBJ13 SMBJ13A SMBJ14 SMBJ14A SMBJ15 SMBJ15A SMBJ16 SMBJ16A SMBJ17 SMBJ17A SMBJ18 SMBJ18A SMBJ20 SMBJ20A SMBJ22 SMBJ22A SMBJ24 SMBJ24A SMBJ26 SMBJ26A SMBJ28 SMBJ28A SMBJ30 SMBJ30A SMBJ33 SMBJ33A SMBJ36 SMBJ36A SMBJ40 SMBJ40A SMBJ43 SMBJ43A SMBJ45 SMBJ45A SMBJ48 SMBJ48A SMBJ51 SMBJ51A SMBJ54 SMBJ54A SMBJ58 SMBJ58A SMBJ60 SMBJ60A SMBJ64 SMBJ64A SMBJ70 SMBJ70A SMBJ75 SMBJ75A SMBJ78 SMBJ78A SMBJ85 SMBJ85A SMBJ90 SMBJ90A SMBJ100 SMBJ100A SMBJ110 SMBJ110A SMBJ120 SMBJ120A SMBJ130 SMBJ130A SMBJ150 SMBJ150A SMBJ160 SMBJ160A SMBJ170 SMBJ170A
Note: Notes: 1. VBR measured after IT applied for 300us, IT=square wave pulse or equivatent. 2. Surge current waveform per Figure 3 and derate per Figure 2. 3. All terms and symbols are consistant with ANSI/IEEE C62.35. 4. For bidirectional use C or CA suffix for types SMBJ5.0 thorugh types SMBJ170. 5. For bipolar types having VWM of 10 volts(SMBJ8.0C) and under the ID limit is doubled.
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TVS APPLICATION NOTES:
Transient Voltage Suppressors may be used at various points in a circuit to provide various degrees of protection. The following is a typical linear power supply with transient voltage suppressor units placed at different points. All provide protection of the load.
FIGURE 1
Transient Voltage Suppressors 1 provides maximum protection. However, the system will probably require replacement of the line fuse(F) since it provides a dominant portion of the series impedance when a surge is encountered. However, we do not recommend to use the TVS diode here, unless we can know the electric circuit impedance and the magnitude of surge rushed into the circuit. Otherwise the TVS diode is easy to be destroyed by voltage surge. Transient Voltage Suppressor 2 provides execllent protection of circuitry excluding the transformer(T). However, since the transformer is a large part of the series impedance, the chance of the line fuse opening during the surge condition is reduced. Transient Voltage Suppressor 3 provides the load with complete protection. It uses a unidirectional Transient Voltage Suppressor, which is a cost advantage. The series impedance now includes the line fuse, transformer, and bridge rectifier(B) so failure of the line fuse is further reduced. If only Transient Voltage Suppressor 3 is in use, then the bridge rectifier is unprotected and would require a higher voltage and current rating to prevent failure by transients. Any combination of these three, or any one of these applications, will prevent damage to the load. This would require varying trade-offs in power supply protection versus maintenance(changing the time fuse). An additional method is to utilize the Transient Voltage Suppressor units as a controlled avalanche bridge. This reduces the parts count and incorporates the protection within the bridge rectifier.
FIGURE 2 RECOMMENDED PAD SIZES
The pad dimensions should be 0.010"(0.25mm) longer than the contact size, in the lead axis. This allows a solder fillet to form, see figure below. Contact factory for soldering methods.
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