RK73A
audio applications 2%, 5% tolerance
chip resistor
resistors
c
L
c
W
Solder
Plating
t
d
Protective
Coating
Resistive Inner
Electrode
Film
Ni
Plating
Ceramic
Substrate
EU
features
•
Anti-leaching nickel barrier terminations
•
For high resolution sound and clarity in signal processing
and audio circuits
•
Marking: Three-digit, light blue on black protective coating
•
Products with lead-free terminations meet EU RoHS
requirements. EU RoHS regulation is not intended for
Pb-glass contained in electrode, resistor element and glass.
dimensions and construction
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
1J
(0603)
2A
(0805)
2B
(1206)
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(1.6±0.2)
(0.8±0.1)
(0.3±0.1) (0.45±0.1)
(0.3±0.1)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
.126±.008 .063±.008
(3.2±0.2)
(1.6±0.2)
.02±.012
(0.5±0.3)
.012
(0.3
.016
(0.4
+.008
-.004
+0.2
-0.1
)
+.008
-.004
+0.2
)
-0.1
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
ordering information
New Part #
RK73A
Type
1J
Size
1J
2A
2B
T
Termination
Material
T: Sn
Contact factory
for below options:
L: SnPb
TD
Packaging
TP: 0603, 0805:
7" 2mm pitch punch paper
TD: 0603, 0805, 1206:
7" 4mm pitch punched paper
TDD: 0603, 0805, 1206:
10" paper tape
TE: 0805, 1206:
7" embossed plastic
TED: 0805, 1206:
10" embossed plastic
For further information on packaging,
please refer to Appendix A
102
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
G: ±2%
J: ±5%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/19/11
16
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
audio applications 2%, 5% tolerance
chip resistor
applications and ratings
Part
Designation*
RK73A1J
(0603)
RK73A2A
(0805)
RK73A2B
(1206)
Power
Rating
@ 70°C
1/10W (.10W)
1/8W (.125W)
1/4W (.25W)
T.C.R.
(ppm/°C)
Max.
±200
±250
±200
±250
±200
±250
Resistance
Range
E-24
(G±2%)
10Ω - 1MΩ
2.2Ω - 9.1Ω
10Ω - 1MΩ
2.2Ω - 9.1Ω
10Ω - 1MΩ
2.2Ω - 9.1Ω
Resistance
Range
E-24
(J±5%)
10Ω - 1MΩ
2.2Ω - 9.1Ω
10Ω - 1MΩ
2.2Ω - 9.1Ω
10Ω - 1MΩ
2.2Ω - 9.1Ω
Absolute
Maximum
Working
Voltage
50V
150V
200V
Absolute
Maximum
Overload
Voltage
100V
200V
400V
-55°C to +155°C
Operating
Temperature
Range
* Parentheses indicate EIA package size codes.
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40
-55
-20
0
80
70
Ambient Temperature
(°C)
20
40
60
100 120
140
155
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.
environmental applications
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Requirement
∆
R ±(%+0.05Ω)
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±2%
±2%
Test Method
25°C
+25°C/-55°C and +25°C/+125°C
Rated Voltage x 2.5 for 5 seconds
(2B: Rated Voltage x 2 for 5 seconds)
±1%, ±3%:
±0.5%, ±1%:
(R<10Ω,R>1MΩ) (R<10Ω,R>1MΩ) 260°C ± 5°C, 10 seconds ± 1 second
±0.5%
±2%
±2%
±1%
±0.3%
±1%
±0.5%
±0.5%
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
+155°C, 1000 hours
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
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
17
resistors
RK73A
PCB Design
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