RK73A
resistors
c
L
c
W
Solder
Plating
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
Ceramic
Substrate
audio applications 2%, 5% tolerance
chip resistor
EU
features
•
RuO
2
thick film resistor element
•
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. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
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)
(0.3±0.1) (0.45±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
L: SnPb
TD
Packaging
TP: 0603, 0805:
7" 2mm pitch punch paper
TD: 0603, 0805, 1206:
7" 2mm pitch punched paper
TDD: 0603, 0805, 1206:
10" paper tape
TE: 0805, 1206:
7" punched plastic
TED: 0805, 1206:
10" punched plastic
For further information on packaging,
please refer to Appendix A
102
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <100Ω
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.
12/01/08
18
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
PMS 300 neg.
Black neg.
RK73A
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
audio applications 2%, 5% tolerance
chip resistor
* Parenthesis 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
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
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.
10/30/08
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
19
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