18 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 6/20/17
resistors
RK73G
thick film 0.25%, 0.5%, 1% tolerance, 50ppm/°C
chip resistor
Absolute
Maximum
Working
Voltage
E-24, E-96
(F±1%)
E-24, E-96
(D±0.5%)
Part
Designation*
Absolute
Maximum
Overload
Voltage
Power
Rating
T.C.R.
(ppm/°C)
Max.
applications and ratings
RK73G1E
(0402)
RK73G1J
(0603)
RK73G2A
(0805)
RK73G2B
(1206)
1/10W (.10W)
1/10W (.10W)
1/8W (.125W)
1/4W (.25W)
±50
Rated
Ambient
Temp.
70°C
Rated
Terminal
Part Temp.
125°C
––
10Ω - 1MΩ
10Ω - 1MΩ
50V
150V
200V
100V
75V 150V
200V
400V
Operating Temperature Range: -55°C ~ +155°C
* Parentheses indicate EIA package size codes.
** RK73G1H available in E-24 decade values only
For Surface Temperature Rise Graph see Environmental Applications. Additional environmental applications can also be found at www.koaspeer.com
RK73G1H
(0201) 1/20W (.05W) 100Ω - 1MΩ**
New
E-24, E-96
(C±0.25%)
100Ω - 1MΩ
–– 100Ω - 1MΩ** 25V 50V
Performance Characteristics
Parameter
Requirement ∆ R ±(%+0.1Ω)
Limit Typical Test Method
Resistance
T.C.R.
25°C
1H: +25°C/+125°C, 1E, 1J, 2A, 2B: +25°C/-55°C and +25°C/+125°C
Within specified
tolerance
Within specified
T.C.R.
—
—
Overload (Short time) Rated Voltage x 2.5 for 5 seconds
(1E, 2B: Rated Voltage x 2 for 5 seconds)
±2% ±0.6%
Resistance to Solder Heat 260°C ± 5°C, 10 seconds ± 1 second
±1% ±1%: 1H, ±0.4%:
1E, 1J, 2A, 2B
Rapid Change of Temperature -55°C (30 minutes), +125°C (30 minutes), 100 cycles
±0.5% ±0.3%
Moisture Resistance 40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±2%: 1J, 2A, 2B
±3%: 1H, 1E
±0.6%: 1J, 2A,
2B; ±1%: 1H, 1E
Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±2%: 1J, 2A, 2B
±3%: 1H, 1E
±0.6%: 1J, 2A,
2B; ±1%: 1H, 1E
High Temperature Exposure +155°C, 1000 hours
±1% ±0.6%
environmental applications
Derating Curve
% Rated Power
100
80
60
40
20
-60 -40 -20 0 40 60 80 100 140
70
20
Ambie nt Te mper ature
(°C)
0
-55
120
155
1E, 1J
, 2A, 2B
1H,
For resistors operated at an ambient temperature of 70°C
or above, a power rating shall be derated in accordance
with the derating curve.
% Rated Power
100
80
60
40
20
-60 -40 -20 0 40 60 80 100 140
125
20
Terminal Part Temperature
(°C)
0
-55
120
155
For resistors operated terminal part temperature of described for each size
or above, a power rating shall be derated in accordance with derating curve.
Please refer to “Introduction of the derating curves based on the terminal
part temperature” in the beginning of our catalog before use.
Resistance Range