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Contact Open (Air) Cavity QFN
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TopLine manufactures daisy chain semiconductor packages, dummy components, zero ohm jumpers, solderable spacers, test die, practice kits, and CCGA solder columns.

TopLine makes a huge selection of daisy chain test chips for process development, experimentation, machine evaluation, solder training, and SMT assembly practice. Our products provide hands-on learning for engineers. One-stop for all dummy components.  

Full Feature Catalog
Click for TopLine Dummy Components Catalog
PDF inside ZIP download

HTS Tariff Code 8542.90.0000

Export ECCN EAR99

Gerber Data  •  Net List

QFP Lead Straightening Tool

Benefits of JEDEC Trays

Benefits of Daisy Chain

Benefits of Dummy Components
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BGA  •  WLP-CSP  •  eWLP

Non-Collapsible Solder Ball

CCGA  •  Solder Column

QFP  •  TQFP  •  LQFP  •  QFN


SOT23 Jumper • SOT Schematic

Solder Practice PCB Boards

JEDEC Tray  •  Color Tray Clip

2" Waffle Pack  •  4" Waffle Pack

Test Die & Wafers  •  Flip Chip

Trade Shows
Select By: Pin Count • Pitch • Size

W4P1 Tape  •   SCC Black & White Chip  •   More Chips

01005 Size  (0.4 x 0.2mm)  •  MELF  •  SQ.MELF

Embedded Resistor  •  Wide Terminal Chips


Flat Pack  •  LCC  •  PLCC  •  SOJ

DIP  •  CERDIP  •  Axial  •  Radial  •  Terminals

SOT  •  SOD  •  DPAK  •  TO  •  DO  •  SMD

Open (Air) Cavity QFN  •  About Daisy Chain

Lead Free   •  RoHS   •  Pb-Free

Spacers  •  Zero Ohm Jumper  •  Bonding Wire

Catalogs:  Full  •   SMT Nomenclature  •   Kits

TopLine Corporation
95 Highway 22 W
Milledgeville, GA 31061, USA


Toll Free USA/Canada (800) 776-9888
Tel: 1-478-451-5000  •  Fax: 1-478-451-3000

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