JLCC - J-Leaded Ceramic Chip Carrier                 

     

The J-Leaded Ceramic Chip Carrier, or JLCC, is a square or rectangular surface-mount ceramic package that has J-formed leads around its periphery. The plastic-molded equivalent of the JLCC is the PLCC.

    

Typical JLCC's have lead counts that range from 20 to 84. A JLCC's lead pitch (distance between leads) is typically 50 mils (1.27 mm).

  

The JLCC can either be directly soldered onto the PCB or operated using a socket.

   

Table 1. Properties of Some JLCC's

No. of Leads

Body Size incl. Leads

Body Height incl. Leads

Lead Pitch

20

395 mils x 395 mils

125 mils max.

50 mils

28

490 mils x 490 mils

125 mils max.

50 mils

32

450 mils x 700 mils

150 mils max.

50 mils

44

690 mils x 690 mils

190 mils max.

50 mils

68

995 mils x 995 mils

200 mils max.

50 mils

84

1190 mils x 1190 mils

200 mils max.

50 mils

 

   

Figure 1.  Bottom view of a JLCC

   

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