SMD High Power Precision Resistors
Environmental Characteristics
Requirement
Item
Test Method
Tol. ≤ꢁ.ꢁꢉ%
TOL. >0.05%
Temperature Coefficient
of Resistance (TCR)
As per TCRs specified in Electrical Characteristics
tables
MIL-STD-202 Method 304
+25/-55/+25/+125/+25°C
JIS-C-5201-1 5.5
Short Time Overload
Insulation Resistance
Endurance
ΔR±0.2%
ΔR±0.2%
RCWV*2.5 or Max. overload voltage
whichever is lower for 5 seconds
MIL-STD-202 Method 302
Apply 100VDC for 1 minute
MIL-STD-202 Method 108A
70±2°C, RCWV for 1000 hrs with 1.5 hrs
ꢊONꢋ and ꢁ.ꢉ hrs ꢊOFFꢋ
>ꢀꢁꢁꢁ MΩ
ΔR±0.5%
MIL-STD-202 Method 103B
40±2°C, 90~95% R.H. RCWV for 1000 hrs
with 1.5 hrs ꢊONꢋ and ꢁ.ꢉ hrs ꢊOFFꢋ
JIS-C-5201-1 6.1.4
Bending amplitude 3 mm for 10 seconds
MIL-STD-202 Method 208H
245±5°C for 3 seconds
Damp Heat with Load
ΔR±ꢁ.5%
ΔR±ꢁ.ꢉ%
Bending Strength
Solderability
ΔR±ꢁ.ꢁꢉ%
ΔR±ꢁ.ꢈ%
95% min. coverage
Resistance to Soldering
Heat
MIL-STD-202 Method 210E
260±5°C for 10 seconds
ΔR±ꢁ.ꢁꢉ%
ΔR±ꢁ.ꢈ%
Dielectric Withstand
Voltage
MIL-STD-202 Method 301
Max. overload voltage for 1 minute
JIS-C-5201-1 4.36
1 hour @-65°C followed by 45 minutes @
RCWV
By Type
ΔR±ꢁ.ꢁꢉ%
ΔR±ꢁ.5%
Low Temperature
Operation
High Temperature
Exposure
MIL-STD 202 Method 108
155°C for 1000 hours
RCWV = √ꢂP*Rꢃ or Max. operating voltage, whichever is lower.
Storage Temperature: 15 - 28°C; Humidity < 80%RH
Derating Curve
100
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature(℃)
For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with this
curve
Dimensions in
Dimensions Shown for
reference purposes only.
Specifications subject to
change
1773272 Rev. M 05/2020
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millimetres unless
otherwise specified