Terms and Definitions


QFP Installation TJ-70 Hot Air

TJ-70 ThermoJet
TJ-70 ThermoJet

1. Start with a heater temperature of 427°C (800°F) and adjust as necessary. 

2. Install tip into ThermoJet® Handpiece using Tip Tool. 

3. Apply a small bead of solder paste along the land pattern using a dispenser. (A)

4. Position component onto lands using a HandiPik® or tweezers. (B)

5. Starting at MINIMUM,adjust pressure output (on power supply) so hot air scorches a tissue from approximately 0.5cm (0.2”) away. (C) 

6. Direct hot air over component with tip at a distance of 2.5cm (1.0”) to predry solder paste. (D)

7. When pre-drying is observed (paste has dull, flat appearance), bring tip closer (0.5cm [0.2”]) and slowly move tip along each row of leads to form proper solder fillets. (E)

8. Return ThermoJet® to its Tip & Tool Stand. 

9. Clean, if required, and inspect. 

PACE SensaTemp® or Intelliheat® Power Supply
TJ-70 ThermoJet®
Flat End Tip (See Chart on Back)
Pik & Paste Liquid Dispensing System
Tip Tool
Manual Solder Paste Dispenser

Solder Paste
Paste Dispensing Needles

Product Image Dimensions Part Number
0.060" I.D. 1121-0366-P1