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MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 * Fax: 760-564-2414 1-800-831-4881 Email: sales@mdesemicondutor.com Web: www.mdesemiconductor.com
SMAJ SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 440 Volts 400 Watt Peak Pulse Power
FEATURES
* 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 1.0 ps from 0 volts to BV for unidirectional types * Typical IR less than 1A above 10V * High temperature soldering: 250C/10 seconds at terminals * Plastic package has Underwriters Laboratory Flammability Classification 94 V-O
MECHANICAL DATA
Case: JEDEC DO214AC. Molded plastic over glass passivated junction Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denoted positive end (cathode) except Bidirectional Standard Packaging: 12mm tape (EIA STD RS-481) Weight: 0.002 ounces, 0.064 grams)
Dimensions in inches (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types SMAJ5.0 thru types SMAJ440 (e.g. SMAJ5.0C, SMAJ440CA) Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform (NOTE 1, 2, Fig.1) Peak Pulse Current of on 10/1000 s waveform (Note 1,Fig 3) Peak Forward Surge Current, 8.3ms Single Half Sine-wave Superimposed on Rated Load, (JEDEC Method)(Note2, 3) Operatings and Storage Temperature Range NOTES:
SYMBOL PPPM
IPPM
VALUE
Minimum 400 SEE TABLE 1 40 -55 +150
UNITS
Watts Amps Amps C
IFSM
TJ, TSTG
1. Non-repetitive current pulse, per Fig.3 and derated above Ta=25 C per Fig.2. 2. Mounted on Copper Pad area of 0.8x0.8" (20x20mm) per Fig.5. 3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum. Certified RoHS Compliant UL File # E223026
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 * Fax: 760-564-2414 1-800-831-4881 Email: sales@mdesemicondutor.com Web: www.mdesemiconductor.com
RATING AND CHARACTERISTIC CURVES SMAJ SERIES
Fig. 1 - Peak Pulse Power Rating
100
Peak Pulse Power (PPP) or Current (IPPM) Derating in Percentage,%
Fig.2 - Pulse Derating Curve
100 87.5 75 62.5 50 37.5 25 12.5 0 0 25 50 75 100 125 150 175 200
PPPM-Peak Pulse Power (kW)
Non-repetitive Pulse Wavetorm shown in Fig.3 TA = 25C
10
SMAJ85A - SMAJ170
1
SMAJ5.0 - SMAJ78
0.2x0.2"(5.0x5.0mm) Copper Pad Areas
0.1
0.1s
1.0s
10s
100s
1.0ms
10ms
0.2x0.2"(5.0x5.0mm) Copper Pad Areas
td - Pulse Width (sec.)
TA - Ambient Temperature (C)
Fig.3 - Pulse Waveform
IPPM - Peak Pulse Current,% IRSM
150 Pulse Width(td)is defined as the point where the peak current decays to 50% of I PPM
Fig.4 - Typical Junction Capacitance
10000
Peak Value IPPM 100 Half Value- IPPM 2
CJ - Junction Capacitance(pF)
tr = 10sec.
TJ = 25C
1000
TJ = 25C f = 1.0MHZ Vsig = 50mVp-p Measured at Stand-Off Voltage, VWM Uni-Directional
100
Bi-Directional
50
10/1000sec.Waveform as defined by R.E.A.
10
1000
td
0 0 1.0 2.0 3.0
1
10
4.0
4.0
VWM - Reverse Stand-Off Voltage (V)
100
200
t - Time(ms) Fig. 5 - Typ.Transient Thermal Impedance
1000
200
IFSM-Peak Forward Surge Current (A)
Transient Thermal Impedance (/W)
TJ = TJ max, 8.3ms Single Half Sine-Wave (JEDEC Method)
100
100
50
10
1 0 0.2 0.4 0.6 0.8 1 1.2
10 0 0.2 0.4 0.6 0.8 1 1.2
tp-Pulse Duration (sec)
Number of Cycles at 60 Hz
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 * Fax: 760-564-2414 1-800-831-4881 Email: sales@mdesemicondutor.com Web: www.mdesemiconductor.com
400 Watt Surface Mount TVS
UNI-POLAR BI-POLAR DEVICE MARKING CODE REVERSE TEST PEAK MAXIMUM REVERSE BREAKDOWN BREAKDOWN VOLTAGE LEAKAGE VOLTAGE CURRENT CLAMPING PULSE STANDOFF VBR (V) VBR (V) (IT) VOLTAGE CURRENT @ VRWM VOLTAGE IPP (A) @IPP VC (V) VRWM (V) IR (A) MIN. @ IT MAX. @ IT mA 7.00 7.37 7.98 8.60 9.21 9.83 10.40 11.10 12.30 13.50 14.70 15.90 17.20 18.50 19.70 20.90 22.10 24.50 26.90 29.50 31.90 34.40 36.80 40.60 44.20 49.10 52.80 55.30 58.90 62.70 66.30 71.20 73.70 78.60 86.00 92.10 95.80 104.00 111.00 123.00 135.00 147.00 159.00 185.00 197.00 209.00 222.00 247.00 272.00 309.00 371.00 432.00 494.00 543.00 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 17.0 18.2 19.9 21.5 23.2 24.4 26.0 27.6 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.7 77.4 82.4 87.1 93.6 96.8 103.0 113.0 121.0 126.0 137.0 146 162 177 193 209 243 259 275 292 324 356 405 486 567 648 713 43.5 38.8 35.7 33.3 31.0 29.4 27.8 26.0 23.5 22.0 20.1 18.6 17.2 16.4 15.4 14.5 13.7 12.3 11.3 10.3 9.5 8.8 8.3 7.5 6.9 6.2 5.8 5.5 5.2 4.9 4.6 4.3 4.1 3.9 3.5 3.3 3.2 2.9 2.7 2.5 2.3 2.1 1.9 1.6 1.5 1.5 1.4 1.2 1.1 1.0 0.8 0.7 0.6 0.6 800 800 500 200 100 50 20 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
UNI BI 5.00 6.40 SMAJ5.0A SMAJ5.0CA AE WE 6.00 6.67 SMAJ6.0A SMAJ6.0CA AG WG 6.50 7.22 SMAJ6.5A SMAJ6.5CA AK WK 7.00 7.78 SMAJ7.0A SMAJ7.0CA AM WM 7.50 8.33 SMAJ7.5A SMAJ7.5CA AP WP 8.00 8.89 SMAJ8.0A SMAJ8.0CA AR WR 8.50 9.44 SMAJ8.5A SMAJ8.5CA AT WT 9.00 10.00 SMAJ9.0A SMAJ9.0CA AV WV 10.00 11.10 SMAJ10A SMAJ10CA AX WX 11.00 12.20 SMAJ11A SMAJ11CA AZ WZ 12.00 13.30 SMAJ12A SMAJ12CA BE XE 13.00 14.40 SMAJ13A SMAJ13CA BG XG 14.00 15.60 SMAJ14A SMAJ14CA BK XK 15.00 16.70 SMAJ15A SMAJ15CA BM XM 16.00 17.80 SMAJ16A SMAJ16CA BP XP 17.00 18.90 SMAJ17A SMAJ17CA BR XR 18.00 20.00 SMAJ18A SMAJ18CA BT XT 20.00 22.20 SMAJ20A SMAJ20CA BV XV 22.00 24.40 SMAJ22A SMAJ22CA BX XX 24.00 26.70 SMAJ24A SMAJ24CA BZ XZ 26.00 28.90 SMAJ26A SMAJ26CA CE YE 28.00 31.10 SMAJ28A SMAJ28CA CG YG 30.00 33.30 SMAJ30A SMAJ30CA CK YK 33.00 36.70 SMAJ33A SMAJ33CA CM YM 36.00 40.00 SMAJ36A SMAJ36CA CP YP 40.00 44.40 SMAJ40A SMAJ40CA CR YR 43.00 47.80 SMAJ43A SMAJ43CA CT YT 45.00 50.00 SMAJ45A SMAJ45CA CV YV 48.00 53.30 SMAJ48A SMAJ48CA CX YX 51.00 56.70 SMAJ51A SMAJ51CA CZ YZ 54.00 60.00 SMAJ54A SMAJ54CA RE ZE 58.00 64.40 SMAJ58A SMAJ58CA RG ZG 60.00 66.70 SMAJ60A SMAJ60CA RK ZK 64.00 71.10 SMAJ64A SMAJ64CA RM ZM 70.00 77.80 SMAJ70A SMAJ70CA RP ZP 75.00 83.30 SMAJ75A SMAJ75CA RR ZR 78.00 86.70 SMAJ78A SMAJ78CA RT ZT 85.00 94.40 SMAJ85A SMAJ85CA RV ZV 90.00 100.00 SMAJ90A SMAJ90CA RX ZX 100.00 111.00 SMAJ100A SMAJ100CA RZ ZZ 110.00 122.00 SMAJ110A SMAJ110CA SE VE 120.00 133.00 SMAJ120A SMAJ120CA SG VG 130.00 144.00 SMAJ130A SMAJ130CA SK VK SMAJ150A SMAJ150CA 150.00 167.00 SM VM SMAJ160A SMAJ160CA 160.00 178.00 SP VP SMAJ170A SMAJ170CA 170.00 189.00 SR VR SMAJ180A SMAJ180CA 180.00 201.00 ST VT SMAJ200A SMAJ200CA 200.00 224.00 SV VV SMAJ220A SMAJ220CA 220.00 246.00 SX VX SMAJ250A SMAJ250CA 250.00 279.00 SZ VZ SMAJ300A SMAJ300CA 300.00 335.00 TE UE SMAJ350A SMAJ350CA 350.00 391.00 TG UG SMAJ400A SMAJ400CA 400.00 447.00 TK UK SMAJ440A SMAJ440CA 440.00 492.00 TM UM For bidirectional type having Vrwm of 10 volts and less, the IR limit is double. For parts without A , the VBR is 10% Certified RoHS Compliant UL File # E223026

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