general purpose 2%, 5% tolerance
thick film chip resistor
EU
features
•
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.
•
AEC-Q200 Qualified: 0201 (1H), 0402 (1E), 0603 (1J),
0805 (2A), 1206 (2B), 1210 (2E), 2010 (2H/W2H),
2512 (3A/W3A/W3A2)
dimensions and construction
c
L
c
Type*
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
1F
(01005)
Solder
Plating
.015±.001 .007±.001 .004±.001 .004±.001 .005±.001
(0.4±0.02) (0.2±0.02) (0.10±0.03) (0.11±0.03) (0.13±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
W
1H
(0201)
1E
(0402)
1J
(0603)
2A
(0805)
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
Ceramic
Substrate
.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)
.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)
.012
(0.3
+.008
-.004
+0.2
)
-0.1
Derating Curve
100
80
60
40
20
0
% Rated Power
100
80
1H, 1E, 1J, 2A, 2B, 2E,
W2H, W3A (1W)
.02±.004
(0.5±0.1)
2B
(1206)
2E
(1210)
2H
(2010)
W2H
(2010)
60
40
20
0
-60 -40
-55
W3A2
.016
(0.4
1F
1E, 1H, 1J, 2A, 2B, 2E, 2H,
3A, W2H, W3A
3A, W2H, W3A
+.008
-.004
+0.2
-0.1
)
0
20
40
100 120
140
160 180
70
125
155
Ambient Temperature
(°C)
60
80
-20
0
100 120
140 160
95
125
155
Terminal Part Temperature
(°C)
20
40
60
80
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.
For resistors operated at a terminal part
temperature of described for each size or
3A
above, a power rating shall be derated in
(2512)
accordance with the above derating curve.
Please refer to “Introduction of the derating
W3A/W3A2
curve based on the terminal part temperature”
(2512)
in the beginning of our catalog before use.
.02±.012 .026±.006 .024±.004
(0.5±0.3) (0.65±0.15) (0.6±0.1)
.016
(0.4
+.008
-.004
+0.2
)
-0.1
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
.026±.006
(0.65±0.15)
ordering information
RK73B
Type
2B
Size
1F
1H
1E
1J
2A
2B
2E
W2H
W3A
2H
3A
W3A2
T
Termination
Material
T: Sn
(1F ~ W3A2)
Contact factory
for below options:
L: SnPb
(1E, 1J, 2A, 2B,
2E, 2H, 3A)
G: Au
(1E ~ 2A:
10Ω ~ 1MΩ)
* Parentheses indicate EIA package size codes.
TD
Packaging
TX: 01005 only: 4mm width - 1mm pitch plastic embossed
TBL: 01005 only: 2mm pitch pressed paper
TC: 0201 only: 7" 2mm pitch pressed paper
(TC: 10,000 pcs/reel, TCM: 15,000 pcs/reel)
TCD: 0201 only: 10" 2mm pitch pressed paper
TPD: 0402 only: 10" 2mm pitch plastic embossed
TPL: 0402 only: 2mm pitch punched paper
TP: 0402, 0603 & 0805: 7" 2mm pitch punched paper
TD: 0603, 0805, 1206 &1210: 7" 4mm pitch punched paper
TDD: 0603, 0805, 1206 &1210: 10" paper tape
TE: 0805, 1206, 1210, 2010 & 2512: 7" plastic embossed
TED: 0805, 1206, 1210, 2010 & 2512: 10" plastic embossed
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.
2/04/19
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
15
resistors
RK73B
RK73B
general purpose 2%, 5% tolerance
thick film chip resistor
applications and ratings
Part
Designation
Power
Rating
Rated
Ambient
Temp.
Rated
Terminal
Part
Temp.
—
T.C.R.
(x10
-6
/K)
±200
RK73B1F
(01005)
RK73B1H
(0201)
RK73B1E
(0402)
RK73B1J
(0603)
RK73B2A
(0805)
RK73B2B
(1206)
RK73B2E
(1210)
RK73BW2H/2H
(2010)
RK73BW3A/3A
(2512)
RK73BW3A2
(2512)
0.03W
±250
0~+300
±200
±400
±200
±200
±400
±200
±200
0.25W
70°C
125°C
0.25W
±400
±200
±400
±200
±400
±200
0.75W
±400
±200
1.0W
±400
2.0W
––
±200
95°C
±400
—
10Ω - 5.6MΩ
—
6.2MΩ - 22MΩ
1Ω - 5.6MΩ
6.2MΩ - 22MΩ
200V
400V
Resistance Range
G±2%
E-24
100kΩ - 1MΩ
10Ω - 91kΩ
1Ω - 9.1Ω
10Ω - 10MΩ
—
1Ω - 10MΩ
1.1kΩ - 1MΩ
—
1Ω - 1kΩ
1Ω - 1MΩ
1.1MΩ - 10MΩ
1Ω - 5.6MΩ
6.2MΩ - 10MΩ
10Ω - 5.6MΩ
—
10Ω - 5.6MΩ
—
10Ω - 5.6MΩ
J±5%
E-24
100kΩ - 10MΩ
10Ω - 91kΩ
1Ω - 9.1Ω
10Ω - 10MΩ
1Ω - 9.1Ω
1Ω - 10MΩ
1.1kΩ - 10MΩ
11MΩ - 22MΩ
1Ω - 1kΩ
1Ω - 1MΩ
1.1MΩ - 10MΩ
1Ω - 5.6MΩ
6.2MΩ - 22MΩ
1Ω - 5.6MΩ
6.2MΩ - 10MΩ
1Ω - 5.6MΩ
6.2MΩ - 22MΩ
1Ω - 5.6MΩ
200V
400V
200V
400V
150V
200V
-55°C to
+155°C
75V
20V
30V
50V
-55°C to
+125°C
Maximum
Working
Voltage
Maximum
Overload
Voltage
Operating
Temperature
Range
resistors
0.05W
0.1W
0.1W
0.125W
25V
75V
100V
0.50W
Rated voltage =
√Power
rating x resistance value or max. working voltage, whichever is lower
If any questions arise on whether to use the “Rated Ambient Temperaute” or the “Rated Terminal Part Temperature” in your usage conditions, please give priority to the “Rated
Terminal Part Temperature.” Prior to use and for more details, refer to “Introduction of the derating curves based on the terminal part temperature” in the beginning of our catalog.
Temperature rise at high power will depend on PCB layout. Be sure to contact factory prior to use and monitor terminal part temperature.
environmental applications
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
Resistance to Soldering Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Requirement
∆
R (%+0.1Ω)
Limit
Typical
Within specified tolerance
Within specified T.C.R.
±2%
—
—
25°C
+25°C/-55°C and +25°C/+125°C
Rated Voltage x 2.5 for 5 seconds
(1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds)
260°C ± 5°C, 10 seconds ± 1 second
-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
+125°C, 1000 hours: 1F; +155°C, 1000 hours: 1E, 1H,
1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2
2/04/19
Test Method
±1%: 1F
±0.5%: Another
±0.5%: 1F~W3A2
±1%: 1F~W3A2 (10Ω≤R≤1MΩ)
(10Ω≤R≤1MΩ); ±1%:
±3%: 1F~W3A2 (R<10Ω, R>1MΩ) 1F~W3A2 (R<10Ω, R>1MΩ)
±1%: 1F
±0.5%: Another
±2%: 1J, 2A, 2B
±3%: Another
±2%: 1J, 2A, 2B
±3%: Another
±1%
±0.5%: 1F
±0.3%: Another
±0.75%: 1J, 2A, 2B
±1.5%: 1F
±1%: Another
±0.75%: 1J, 2A, 2B
±1%: Another
±0.5%: 1F
±0.3%: Another
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
16
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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