RK73B
resistors
general purpose 2%, 5% tolerance
thick film chip resistor
features
•
RuO
2
thick film resistor element
•
Anti-leaching nickel barrier terminations
•
Also available with epoxy bondable palladium
silver terminations in 1J, 2A and 2B sizes.
•
Meets or exceeds EIA 575, EIAJ RC 2690A,
EIA PDP-100, MIL-R-55342F
•
Marking: White three-digit on black protective coat
No marking on 1F, 1H and 1E sizes
dimensions and construction
c
L
c
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
W
Solder
Plating
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
NEW
1F
(01005)
1H
(0201)
1E
(0402)
1J
(0603)
2A
(0805)
2B
(1206)
2E
(1210)
2H
(2010)
3A
(2512)
.015±.001 .007±.001 .004±.001 .004±.001 .005±.001
(0.4±0.02) (0.2±0.02) (0.1±0.03) (0.1±0.03) (0.12±0.02)
.024±.001 .012±.001 .004±.002 .006±.002 .009±.001
(0.6±0.03) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.03)
.039
(1.0
+.004
-.002
+0.1
)
-0.05
+.002
.02±.002 .008±.004 .01
-.004
.014±.002
(0.5±0.05) (0.2±0.1) (0.25
+0.05
) (0.35±0.05)
-0.1
Ceramic
Substrate
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(1.6±0.2)
(0.3±0.1) (0.45±0.1)
(0.8±0.1)
(0.3±0.1)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
.063±.008
.126±.008
(1.6±0.2)
(3.2±0.2)
.102±.008
(2.6±0.2)
.197±.008 .098±.008
(5.0±0.2)
(2.5±0.2)
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
.012
(0.3
.016
(0.4
.02±.012
(0.5±0.3)
+.008
-.004
+0.2
-0.1
)
+.008
-.004
+0.2
)
-0.1
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
.025±.005
(0.65±0.15)
ordering information
New Part #
RK73B
Type
2B
Size
1F
1H
1E
1J
2A
2B
2E
2H
3A
T
Termination
Material
T: Sn
X: AgPd**
G: Au*
L: SnPb
TD
Packaging
TC: 2mm pitch punched pressed paper
(01005 & 0201 only)
TB: 2mm pitch pressed paper
(0201 only)
TP: 2mm pitch punched paper
(0402 & 0603)
TD: 7" paper tape
(0603, 0805, 1206 &1210)
TDD: 10" paper tape
(0603, 0805, 1206 &1210)
TE: 7" punched plastic
(0805, 1206, 1210, 2010 & 2512)
TED: 10" punched plastic
(0805, 1206, 1210, 2010 & 2512)
102
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
G: ±2%
J: ±5%
* Available ONLY in 1E, 1J
and 2A (10Ω - 1MΩ) chip sizes
** Available ONLY in 1J, 2A and 2B (10Ω ~ 22MΩ) chip sizes
For further information on packaging, please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
4/20/05
8
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
RK73B
general purpose 2%, 5% tolerance
thick film chip resistor
applications and ratings
Part
Designation*
UNDER
DEVELOPMENT
Power
Rating
@ 70°C
1/32W (.03W)
1/20W (.05W)
1/16W (.063W)
1/10W (.10W)
T.C.R.
(ppm/°C)
Max.
±250
±200
±400
±200
±400
±200
±400
±200
Resistance
Range
E-24**
(G±2%)
10Ω - 1MΩ
10Ω - 10MΩ
—
10Ω - 1MΩ
—
10Ω - 10MΩ
1Ω - 9.1Ω
10Ω - 1MΩ
1Ω - 9.1Ω
1.1MΩ - 10MΩ
10Ω - 5.6MΩ
1Ω - 9.1Ω
6.2MΩ - 10MΩ
10Ω - 1KΩ
1.1KΩ - 5.6MΩ
—
10Ω - 5.6MΩ
—
10Ω - 5.6MΩ
—
Resistance
Range
E-24**
(J±5%)
10Ω - 1MΩ
10Ω - 10MΩ
1Ω - 9.1Ω
10Ω - 10MΩ
1.0Ω - 9.1Ω
10Ω - 10MΩ
1Ω - 9.1Ω
11MΩ - 22MΩ
10Ω - 1MΩ
1Ω - 9.1Ω
1.1MΩ - 22MΩ
10Ω - 5.6MΩ
1Ω - 9.1Ω
6.2MΩ - 22MΩ
10Ω - 1KΩ
1.1KΩ - 5.6MΩ
1Ω - 9.1Ω
6.2MΩ - 10MΩ
10Ω - 5.6MΩ
1Ω - 9.1Ω
6.2MΩ - 22MΩ
10Ω - 5.6MΩ
1Ω - 9.1Ω
6.2MΩ - 22MΩ
Absolute
Maximum
Working
Voltage
15V
25V
Absolute
Maximum
Overload
Voltage
30V
50V
Operating
Temperature
Range***
RK73B1F (01005)
RK73B1H
(0201)
RK73B1E
(0402)
RK73B1J
(0603)
RK73B2A
(0805)
RK73B2B
(1206)
-55°C to +125°C
50V
100V
1/8W (.125W)
±400
±200
150V
300V
-55°C to +155°C
1/4W (.25W)
1/2W
1/3W
1/2W
1/3W
(.50W)
(.33W)
(.50W)
(.33W)
±400
±200
±400
±200
RK73B2E
(1210)
400V
200V
RK73B2H
(2010)
RK73B3A
(2512)
3/4W (.75W)
±400
±200
1W
±400
500V
* Parenthesis indicate EIA package size codes.
** See Appendix D for available decade values.
*** IJ, 2A, 2B sizes available -55°C to +175°C (contact factory).
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
Surface Temperature Rise
125
100
75
2E
3A
2H
Temperature Rise
(°C)
1F, 1H
1E, 1J, 2A, 2B, 2E, 2H, 3A
50
25
0
2B
2A
1J
1H, 1E
0
20
40
100 120
140
160 180
70
125
155
Ambient Temperature
(°C)
60
80
0
25
50
75
100
% Rated Power
For complete environmental specifications,
please refer to pages 24-25.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
5/15/05
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
9
resistors
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