Page 1
Protective
C
oating
Inner
E
lectrode
Resistive
F
ilm
Ceramic
Substrate
Solder
Plating
Ni
Plating
L
cc
W
t
d
EU
100
80
60
40
20
20 40 60 80 100120140160180
12570
Ambient T em pe rature
(°C)
1F, 1H 1E, 1J, 2A, 2B, 2E, 2H,
0
0
155
3A, W2H, W3A
resistors
dimensions
and construction
Derating Curve
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.
ordering information
New Part #
RK73H
2B TD 1003 FT
RK73H
precision 0.5%, 1% tolerance
thick film chip resistor
features
• Marking: 1F, 1H, no marking, black body.
1E: blue body, no marking
1J: three-digit black marking (E-24 only)
on blue protective coat. 2A ~ 3A four-digit
black marking on blue protective coat.
• 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: 0402 (1E), 0603 (1J), 0805 (2A),
1206 (2B), 1210 (2E), 2010 (2H/W2H), 2512 (3A/W3A)
Type*
Inch Size Code)
(
1F
(01005)
1H
(0201)
1E
(0402)
1J
(0603)
2A
(0805)
L
.016±.0008
(0.4±0.02)
.024±.001
(0.6±0.03)
+.004
.039
-.002
+0.1
(1.0
-0.05
.063±.008
(1.6±0.2)
.079±.008
(2.0±0.2)
2B
(1206)
2E
.126±.008
(3.2±0.2)
(1210)
2H
(2010)
W2H
.197±.008
(5.0±0.2)
(2010)
3A
(2512)
W3A
.248±.008
(6.3±0.2)
(2512)
* Parentheses indicate EIA package size codes.
Dimensions inches (mm)
Wc d t
.008±.0008
(0.2±0.02)
.012±.001
(0.3±0.03)
.02±.002
(0.5±0.05)
)
.031±.004
(0.8±0.1)
.049±.004
(1.25±0.1)
.004±.001
(0.1±0.03)
.004±.002
(0.1±0.05)
.008±.004
(0.2±0.1)
.012±.004
(0.3±0.1)
.016±.008
(0.4±0.2)
.004±.001
(0.11±0.03)
.006±.002
(0.15±0.05)
+.002
.01
-.004
+0.05
(0.25
-0.1
.012±.004
(0.3±0.1)
+.008
.012
-.004
+0.2
(0.3
-0.1
)
)
.063±.008
(1.6±0.2)
.102±.008
(2.6±0.2)
.098±.008
(2.5±0.2)
.122±.008
(3.1±0.2)
.02±.012
(0.5±0.3)
+.008
.016
-.004
+0.2
(0.4
-0.1
.026±.006
(0.65±0.15)
+.008
.016
-.004
+0.2
(0.4
-0.1
.026±.006
)
)
(0.65±0.15)
.005±.0008
(0.13±0.02)
.009±.001
(0.23±0.03)
.014±.002
(0.35±0.05)
.018±.004
(0.45±0.1)
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
10
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/04/12
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Type Size
1F
1H
1E
1J
2A
2B
2E
W2H
W3A
2H
3A
Termination
Material
T: Sn
(1F ~ 3A)
Contact factory
for below
options:
L: SnPb
(1E, 1J, 2A, 2B,
2E, 2H, 3A)
G: Au
(1E ~ 2A:
10Ω ~ 1MΩ)
X: Bondable
(1J ~ 2E:
10Ω ~ 1MΩ)
Packaging
TX: 01005 only: 4mm width - 1mm pitch plastic embossed
TBL: 01005 only: 2mm pitch pressed paper
TA: 0201 only: 1mm 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
TPL: 0402 only: 2mm pitch punch paper
TP: 0402, 0603, 0805: 7" 2mm pitch punch 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" embossed plastic
TED:0805, 1206, 1210, 2010 & 2512: 10" embossed plastic
For further information on packaging,
please refer to Appendix A
Nominal
Resistance
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value <100Ω
Tolerance
D: ±0.5%
F: ±1%
Page 2
precision 0.5%, 1% tolerance
applications and ratings
Part
Designation
RK73H1F
(01005)
RK73H1H
(0201)
RK73H1E
(0402)
RK73H1J
(0603)
RK73H2A
(0805)
RK73H2B
(1206)
RK73H2E
(1210)
RK73HW2H/2H
(2010)
RK73HW3A/3A
(2512)
* Please contact KOA Speer for the Max. working voltage and the Max. overload voltage.
1
1F: 10~1MΩ: E-24. 1H: 1.0~9.1, 1M~10MΩ: E-24.
Power
Rating
@ 70°C
1/32W (.03W)
1/20W (.05W)
1/16W (.063W)
1/10W (.10W)
1/8W (.125W)
1/4W (.25W)
1/2W (.50W)
1/3W (.33W)
1/2W (.50W)
1/3W (.33W)
1/3W (.33W)
3/4W (.75W)
1W
T.C.R.
(ppm/°C)
Max.
±250
±300 10Ω - 6.2KΩ
±200
±400 1.0Ω - 9.1Ω
±100
±200
±100 10Ω - 1MΩ 10Ω - 1MΩ
±200
±100 10Ω - 1MΩ
±200 —
±400
±100
±200
±400
±100
±200
±200
±400
±100
±200
±400
±100
±200
±400
Resistance
Range
E-24, E-96
(D±0.5%)
—
—
10Ω - 1MΩ
—
10Ω - 1MΩ
—
—
—
10Ω - 1MΩ
—
—
10Ω - 1KΩ 10Ω - 1KΩ
1.02KΩ - 1MΩ 1.02KΩ - 1MΩ
—
—
—
10Ω - 1MΩ
—
—
10Ω - 1MΩ
—
—
Resistance
Range
E-24, E-96
(F±1%)
6.8KΩ - 1MΩ
10Ω - 10MΩ
10Ω - 1MΩ
1.0Ω - 9.76Ω
1.02MΩ - 10MΩ
1.0Ω - 9.76Ω
1.02MΩ - 10MΩ
10Ω - 1MΩ
1.0Ω - 9.76Ω
1.02MΩ - 10MΩ
10Ω - 1MΩ
1.0Ω - 9.76Ω
1.02MΩ - 5.6MΩ
5.62MΩ - 10MΩ
1.0Ω - 9.76Ω
1.02MΩ - 5.6MΩ
5.62MΩ - 10MΩ
10Ω - 1MΩ
1.0Ω - 9.76Ω
1.02MΩ - 5.6MΩ
5.62MΩ - 10MΩ
10Ω - 1MΩ
1.0Ω - 9.76Ω
1.02MΩ - 5.6MΩ
5.62MΩ - 10MΩ
RK73H
thick film chip resistor
1
1
1
Absolute
Maximum
Working
Voltage
1
15V 30V
25V 50V
50V 100V
150V
200V 400V
200V
(500V*)
Absolute
Maximum
Overload
Voltage
200V
400V
(500V*)
resistors
Operating
Temperature
Range
-55°C to +125°C
-55°C to +155°C
environmental applications
Performance Characteristics
Requirement ∆ R (%+0.1Ω)
Parameter
Resistance
T.C.R.
Overload (Short time)
Resistance to Soldering Heat 260°C ± 5°C, 10 seconds ± 1 second
Rapid Change of Temperature -55°C (30 minutes), +125°C (30 minutes), 100 cycles
Moisture Resistance
Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
High Temperature Exposure
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 6/27/13
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
(10Ω≤R≤1MΩ); ±3%: 1F ~
Limit Typical Test Method
Within specified
tolerance
Within specified
T.C.R.
±2%
±1%: 1F ~ W3A
W3A (R<10Ω, R>1MΩ)
±1%: 1F
±0.5% Another
±2%: 1J, 2A, 2B
±3%: Another
±2%: 1J, 2A, 2B
±3%: Another
±1%
—
—
±1%: 1F
±0.5% Another
±0.5%: 1F ~ W3A
(10Ω<R<1MΩ); ±1%: 1F ~
W3A (R<10Ω, R>1MΩ)
±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
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)
40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON,
0.5 hr OFF cycle
+125°C, 1000 hours: 1F, 1H
+155°C, 1000 hours: 1E, 1J, 2A, 2B, 2E, W2H, W3A
11
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