Product Name : SMAJ SERIES
Product Description

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
STAND-OFF VOLTAGE - 5.0 TO 440 Volts
400 Watt Peak Pulse Power

FEATURES

  • For surface mounted applications in order to optimize board space
  • Halogen-Free
  • RoHS compliant
  • Typical maximum temperature coefficient ΔVBR=0.1%xVBR@25 ºCxΔT
  • 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 Volts to V(BR)
  • Typical IR less than 1uA above 12V
  • High temperature soldering: 260°C/40 seconds at terminals
  • Plastic package has Underwriters Laboratory Flammability 94V-O
  • Matte Tin Lead-free plated

MECHANICAL DATA

Case: JEDEC DO214AB. Molded plastic over glass passivated junction

Terminal: 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 ounce, 0.061 gram

DEVICES FOR BIPOLAR APPLICATION

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 25℃ ambient temperature unless otherwise specified.
RATINGSYMBOLVALUEUNITS
Peak Pulse Power Dissipation on 10/1000μs waveform (Note 1,2 ,FIG.1) PPPM Minimum 400 Watts
Peak Pulse Power Dissipation on 10/10000μs waveform (Note 1,FIG.3) IPPM SEE TABLE 1 Amps
Peak Forward Surge Current,8.3ms Single Half Sine-Wave Superimposed on Rated Load,(JEDEC Method) (Note2,3)  IFSM 40 Amps
Operating junction and Storage Temperature Range TJ , TSTG -55 to + 150 °C
Note:
(1)Non-repetitive current pulse , per Fig. 3 and derated above TA = 25℃  per 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 = 4 pulses per minutes maximum.
SMAJ
 PART NUMBER
DEVICE
MARKING CODE 
REVERSE STAND- OFF VOLTAGE VRWM(V)BREAKDOWN
VOLTAGE
VBR(V) @IT
TEST CURRENT
IT (mA)
MAXIMUM CLAMPING VOLTAGE
@Ipp Vc(V)
PEAK PULSE CURRENT
Ipp (A)
REVERSE LEAKAGE
@ VRWM IR(μA)
UNI-POLARBI-POLARUNIBIMINMAX
SMAJ5.0A SMAJ5.0CA AE WE 5.0 6.40 7.00 10 9.2 43.5 800
SMAJ6.0A SMAJ6.0CA AG WG 6.0 6.67 7.37 10 10.3 38.8 800
SMAJ6.5A SMAJ6.5CA AK WK 6.5 7.22 7.98 10 11.2 35.7 500
SMAJ7.0A SMAJ7.0CA AM WM 7.0 7.78 8.60 10 12.0 33.3 200
SMAJ7.5A SMAJ7.5CA AP WP 7.5 8.33 9.21 1 12.9 31.0 100
SMAJ8.0A SMAJ8.0CA AR WR 8.0 8.89 9.83 1 13.6 29.4 50
SMAJ8.5A SMAJ8.5CA AT WT 8.5 9.44 10.40 1 14.4 27.8 20
SMAJ9.0A SMAJ9.0CA AV WV 9.0 10.00 11.10 1 15.4 26.0 10
SMAJ10A SMAJ10CA AX WX 10.0 11.10 12.30 1 17.0 23.5 5
SMAJ11A SMAJ11CA AZ WZ 11.0 12.20 13.50 1 18.2 22.0 1
SMAJ12A SMAJ12CA BE XE 12.0 13.30 14.70 1 19.9 20.1 1
SMAJ13A SMAJ13CA BG XG 13.0 14.40 15.90 1 21.5 18.6 1
SMAJ14A SMAJ14CA BK XK 14.0 15.60 17.20 1 23.2 17.2 1
SMAJ15A SMAJ15CA BM XM 15.0 16.70 18.50 1 24.4 16.4 1
SMAJ16A SMAJ16CA BP XP 16.0 17.80 19.70 1 26.0 15.4 1
SMAJ17A SMAJ17CA BR XR 17.0 18.90 20.90 1 27.6 14.5 1
SMAJ18A SMAJ18CA BT XT 18.0 20.00 22.10 1 29.2 13.7 1
SMAJ20A SMAJ20CA BV XV 20.0 22.20 24.50 1 32.4 12.3 1
SMAJ22A SMAJ22CA BX XX 22.0 24.40 26.90 1 35.5 11.3 1
SMAJ24A SMAJ24CA BZ XZ 24.0 26.70 29.50 1 38.9 10.3 1
SMAJ26A SMAJ26CA CE YE 26.0 28.90 31.90 1 42.1 9.5 1
SMAJ28A SMAJ28CA CG YG 28.0 31.10 34.40 1 45.4 8.8 1
SMAJ30A SMAJ30CA CK YK 30.0 33.30 36.80 1 48.4 8.3 1
SMAJ33A SMAJ33CA CM YM 33.0 36.70 40.60 1 53.3 7.5 1
SMAJ36A SMAJ36CA CP YP 36.0 40.00 44.20 1 58.1 6.9 1
SMAJ40A SMAJ40CA CR YR 40.0 44.40 49.10 1 64.5 6.2 1
SMAJ43A SMAJ43CA CT YT 43.0 47.80 52.80 1 69.4 5.8 1
SMAJ45A SMAJ45CA CV YV 45.0 50.00 55.30 1 72.7 5.5 1
SMAJ48A SMAJ48CA CX YX 48.0 53.30 58.90 1 77.4 5.2 1
SMAJ51A SMAJ51CA CZ YZ 51.0 56.70 62.70 1 82.4 4.9 1
SMAJ54A SMAJ54CA RE ZE 54.0 60.00 66.30 1 87.1 4.6 1
SMAJ58A SMAJ58CA RG ZG 58.0 64.40 71.20 1 93.6 4.3 1
SMAJ60A SMAJ60CA RK ZK 60.0 66.70 73.70 1 96.8 4.1 1
SMAJ64A SMAJ64CA RM ZM 64.0 71.10 78.60 1 103.0 3.9 1
SMAJ70A SMAJ70CA RP ZP 70.0 77.80 86.00 1 113.0 3.5 1
SMAJ75A SMAJ75CA RR ZR 75.0 83.30 92.10 1 121.0 3.3 1
SMAJ78A SMAJ78CA RT ZT 78.0 86.70 95.80 1 126.0 3.2 1
SMAJ85A SMAJ85CA RV ZV 85.0 94.40 104.00 1 137.0 2.9 1
SMAJ90A SMAJ90CA RX ZX 90.0 100.00 111.00 1 146.0 2.7 1
SMAJ100A SMAJ100CA RZ ZZ 100.0 111.00 123.00 1 162.0 2.5 1
SMAJ110A SMAJ110CA SE VE 110.0 122.00 135.00 1 177.0 2.3 1
SMAJ120A SMAJ120CA SG VG 120.0 133.00 147.00 1 193.0 2.1 1
SMAJ130A SMAJ130CA SK VK 130.0 144.00 159.00 1 209.0 1.9 1
SMAJ150A SMAJ150CA SM VM 150.0 167.00 185.00 1 243.0 1.6 1
SMAJ160A SMAJ160CA SP VP 160.0 178.00 197.00 1 259.0 1.5 1
SMAJ170A SMAJ170CA SR VR 170.0 189.00 209.00 1 275.0 1.5 1
SMAJ180A SMAJ180CA ST VT 180.0 201.00 222.00 1 292.0 1.4 1
SMAJ200A SMAJ200CA SV VV 200.0 224.00 247.00 1 324.0 1.2 1
SMAJ220A SMAJ220CA SX VX 220.0 246.00 272.00 1 356.0 1.1 1
SMAJ250A SMAJ250CA SZ VZ 250.0 279.00 309.00 1 405.0 1.0 1
SMAJ300A SMAJ300CA TE UE 300.0 335.00 371.00 1 486.0 0.8 1
SMAJ350A SMAJ350CA TG UG 350.0 391.00 432.00 1 567.0 0.7 1
SMAJ400A SMAJ400CA TK UK 400.0 447.00 494.00 1 648.0 0.6 1
SMAJ440A SMAJ440CA TM UM 440.0 492.00 543.00 1 713.0 0.6 1
•For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
•For parts without A , the VBR is ± 10% ,VC is 10% higher than A Parts.

RATINGS AND CHARACTERISTIC CURVES

Ratings and Characteristic Curves(TA=25℃ unless otherwise noted)

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Part Numbering System
Part Marking System

Packaging

Part numberComponent PackageQuantityPackaging OptionPackaging Specification
SMAJxxxXX DO-214AA 5000 Tape & Reel - 16mm/13" tape EIA STD RS-481
SMAJxxxXX DO-214AA 1000 Tape & Reel - 16mm/7" tape EIA STD RS-481