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Chip Resistors Selection Charts
PT - Thick film low ohmic low T. C. R. chip resistors, wide termination, 0815
Electrical characteristics
Type
Power
P
70
Operating Temp.
range
Max.
working voltage
Tolerance Resistance range & T. C. R.
PT0815
1/2W
-55°Cto+155°C (PxR)^1/2
E24 ±2%, ±5%
E24/E96±1%
25mΩ≤R≤50mΩ ±100ppm/°C
1W
Environmental characteristics
Performance test Test method Procedure Requirements
Life
MIL-STD-202G-
method 108A
1 000 hours at 70 ±5°C applied RCWV
1.5 hours on, 0.5 hours off, still air required
±(1%+0.0005Ω)
High temperature exposure
MIL-STD-202G-
method 108A
1 000 hours at maximum operating temperature
dependingonspecication,unpowered
±(1%+0.0005Ω)
Moisture resistance
MIL-STD-202G-
method 106F
Eachtemperature/humiditycycleisdenedas
8hours(method106F),3cycles/24hours
for10dwith25°C/65°C95%R.H
±(0.5%+0.0005Ω)
Solderability
Wetting
J-STD-002B
testB
Electricaltestnotrequired.Magnication50X
Lead-free solder bath at 245 ±3°C
Dipping time: 3 ±0.5 seconds
Welltinned(≥95%covered)
No visible damage
Resistance to
soldering heat
MIL-STD-202G-
method 210F
Lead-free solder, 260°C, 10 seconds immersion time
±(0.5%+0.0005Ω)
No visible damage
Short time overload
MIL-R-55342D-
para 4.7.5
PT standard power:
6.25 times of rated power for 5 seconds at room
temperature
PT high power:
5 times of rated power for 5 seconds at room temperature
±(1%+0.0005Ω)
No visible damage