1.5KE6.8-1.5KE550CA

      1.5KE6.8-1.5KE550CA series are transient voltage suppressor.The following information is about the feature, mechanical data, maximum ratings and characteristics of this series.
      Features of 1.5KE6.8-1.5KE550CA series:(1) Plastic package has underwriters laboratory flammability classification 94V-0.(2)Glass passivated junction.(3)1500W peak pulse power capability with a 10/1000s waveform, repetition rate (duty cycle): 0.01%.(4)Excellent clamping capability.(5)Low incremental surge resistance.(6)Fast response time: typically less than 1.0ps from 0 Volts to V(BR) for uni-directional and 5.0ns for bi-directional types.(7) For devices with V(BR) 10V,ID are typically less than 5.0A.(8) High temperature soldering guaranteed:265  / 10 seconds, 0.375"(9.5mm) lead length, 5Ibs. (2.3kg) tension.
      The mechanical data is: Case:JEDEC DO-201AE, molded plastic. Polarity: color band denotes positive end (cathode) except for bidirectional. Weight: 0.032 ounces, 0.9 grams.And Mounting position: any.
      Maximum ratings and characteristics of 1.5KE6.8-1.5KE550CA have six points:(1)Peak pow er dissipation with a 10/1000s waveform is Minimum 1500W.(2)Steady state pow er dissipation at TL=75 Lead lengths 0.375"(9.5mm) is 6.5W.(3)Peak forw ard surge current, 8.3ms single half Sine-wave superimposed on rated load (JEDEC Method) is 200.0A.(4) Maximum instantaneous forward voltage at 100.0A for unidirectional only is 3.5/5.0V.(5)The last point:Operating junction and storage temperature range is -50 to +175. NOTES: (1) Non-repetitive current pules, per Fig.3 and derated above TA=25 per Fig. 2. (2) Mounted on copper pad area of  1.6" x 1.6"(40 x40mm2) per Fig. 5. (3) Measured of 8.3ms single half sine-wave or equare wave, duty cycle=4 pulses per minute maximum. (4) VF=3.5 Volt max. for devices of V(BR)<200V, and VF=5.0 Volt max. for devices of V(BR) >200V.