61
Electrical characteristics
Type
Power
P
70
Operating Temp.
range
MWV RCOV DWV Resistance range & tolerance T. C. R.
SR0402
1/16W
-55°Cto+155°C 50V 100V 100V
E24 ±5%, ±10%, ±20%
1Ω≤R≤100KΩ ±200ppm/°C
1/8W -55°Cto+155°C 50V 100V 100V
SR0603
1/10W
-55°Cto+155°C 50V 100V 100V
1/5W
-55°Cto+155°C 50V 100V 100V
SR0805
1/8W
-55°Cto+155°C 150V 300V 300V
1/4W
-55°Cto+155°C 150V 300V 300V
SR1206
1/4W
-55°Cto+155°C 200V 400V 500V
1/2W
-55°Cto+155°C 200V 400V 500V
SR1218 1W
-55°Cto+155°C 200V 400V 500V
SR2010 3/4W
-55°Cto+155°C 200V 400V 500V
SR2512 1W
-55°Cto+155°C 200V 400V 500V
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
±(3%+0.05Ω)
High temperature exposure
MIL-STD-202G-
method 108A
1 000 hours at maximum operating temperature
dependingonspecication,unpowered
±(3%+0.05Ω)
Solder-
ability
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
±(1%+0.05Ω)
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)
No visible damage
Pulse-Load behavior
10
3
10
1
10
2
110
1
10
1
10
2
10
3
10
-2
10
-1
10
-1
One-Pulse limiting electric power (W)
Pulse duration (ms)
0805
0603
0402
1206
1218
1210
2010
2512
Chip Resistors Selection Charts
SR - Surge chip resistors, 0402 to 2512