RK73A
audio applications 2%, 5% tolerance
chip resistor
Absolute
Maximum
Working
Voltage
Resistance
Range
E-24
(J±5%)
Resistance
Range
E-24
(G±2%)
Part
Designation*
Absolute
Maximum
Overload
Voltage
Operating
Temperature
Range
Power
Rating
@ 70°C
T.C.R.
(ppm/°C)
Max.
applications and ratings
-55°C to +155°C
50V 100V
RK73A1J
(0603) 1/10W (.10W) 2.2Ω - 9.1Ω2.2Ω - 9.1Ω
±200 10Ω - 1MΩ10Ω - 1MΩ
±250
150V 200V
RK73A2A
(0805) 1/8W (.125W) 2.2Ω - 9.1Ω2.2Ω - 9.1Ω
±200 10Ω - 1MΩ10Ω - 1MΩ
±250
200V 400V
RK73A2B
(1206) 1/4W (.25W) 2.2Ω - 9.1Ω2.2Ω - 9.1Ω
±200 10Ω - 1MΩ10Ω - 1MΩ
±250
Derating Curve
environmental applications
% Rated Power
100
80
60
40
20
-60 -40 -20 0 406080100140
70
20
Ambient Temperature
(°C)
0
-55 120 155
17
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. 1/05/13
* Parentheses indicate EIA package size codes.
Performance Characteristics
Parameter
Requirement ∆ R ±(%+0.05Ω)
Limit Typical Test Method
Resistance
T.C.R.
25°C
+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
(2B: Rated Voltage x 2 for 5 seconds)
±2% ±2%
Resistance to Solder Heat 260°C ± 5°C, 10 seconds ± 1 second
±1%, ±3%:
(R<10Ω,R>1MΩ)±0.5%, ±1%:
(R<10Ω,R>1MΩ)
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% ±1%
Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±2% ±0.5%
High Temperature Exposure +155°C, 1000 hours
±1% ±0.5%
environmental applications
resistors
For resistors operated at an ambient temperature of 70°C or above, a
power rating shall be derated in accordance with the above derating curve.