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Chip Resistors Selection Charts
AF - Sulfur resistant chip resistors, Arrays
Electrical characteristics
Type
Power
rating
Operating Temp.
range
MWV RCOV DWV Resistance range & tolerance T. C. R.
Jumper criteria
(unit: A)
AF122
1/16W -55°Cto+125°C 50V 100V 100V
E24 ±5%
E24/E96±1%
Jumper
1Ω≤R≤1MΩ
1Ω≤R≤1MΩ
<50mΩ
1Ω≤R<10Ω
10Ω<R<1MΩ
±250ppm/°C
±200ppm/°C
Rated current
Max. current
0.5A
1.0A
AF124 1/16W
-55°Cto+155°C 25V 50V 100V
Rated current
Max. current
1.0A
2.0A
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
±(2%+0.05Ω)
<100mΩforjumper
High temperature exposure
MIL-STD-202G-
method 108A
1 000 hours at maximum operating temperature
dependingonspecication,unpowered
±(1%+0.05Ω)
<50mΩforjumper
Moisture resistance
MIL-STD-202G-
method 106F
Eachtemperature/humiditycycleisdenedas
8hours(method106F),3cycles/24hours
for10dwith25°C/65°C95%R.H
±(2%+0.05Ω)
<50mΩforjumper
Thermal shock
MIL-STD-202G-
method 107G
LCT/UCT,numberofcyclesrequiredis300
Maximum transfer time is 20 seconds
±(0.5%+0.05Ω)for10Kto10M
±(1%+0.05Ω)forothers
<50mΩforjumper
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)
Resistance to
soldering heat
MIL-STD-202G-
method 210F
Lead-free solder, 260°C, 10 seconds immersion time
±(1%+0.05Ω)
<50mΩforjumper
No visible damage
Short time overload
MIL-R-55342D-
para 4.7.5
2.5 times RCWV or maximum overload voltage which-
ever is less for 5 seconds at room temperature
±(2%+0.05Ω)
<50mΩforjumper
No visible damage
Anti-FOS ASTM-B-809-95
Sulfur (saturated vapor) 1000 hours, 60±2°C, 91~93
%RH, Rating with no power
±(1%+0.05Ω)