Fuse Mounting Accessories Page 184 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Radial Lead Fuses TE7 > Time-Lag Fuse > 807 Series Average Time Current Curves Temperature De-rating Curve Soldering Parameters - Wave Soldering Dwell Time 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Time (Seconds) Temperature (C) - Measured on bottom side of board Cooling Time Preheat Time Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100 C Temperature Maximum: 150 C Preheat Time: 60-180 seconds Solder Pot Temperature: 260 C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350 C 5 C Heating Time: 5 seconds maximum Note: These devices are not recommended for IR or Convection Reflow Process. Recommended Process Parameters: 0% 20% 40% 60% 80% 100% 120% 140% -55 -30 -5 20 45 70 95 120 AMBIENT TEMPERATURE (C) PERCENT OF RATING 807 RE-RATING CURVE CURRENT [A] Blowtime [sec]. 0.1 1 10 100 1000 0.8A 1A 1.25A 1.6A 2A 2.5A 3.15A 4A 5A 6.3A 0.010 0.001 0.100 1.000 10.000 100.000 1000.000 Note: 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.

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