SMCJ30C Datasheet PDF - SHIKE Electronics

Features
   Rating to 200V VBR
   For surface mount application
   Reliable low cost construction utilizing molded plastic
      technique
   Plastic material has UL recognition 94V-0
   Fast response time: typically less than 1.0ns for
      Uni-direction,less 5.0ns for Bi-direction,from 0 Volts
      0 BV min

Mechanical Data
   Case: Molded plastic
   Polarity: by cathode band denotes uni-directional device
      none cathode band denotes bi-direction device

   Weight: 0.007 ounces, 0.21 grams