resistors
RK73H
precision 0.5%, 1% tolerance
thick film chip resistor
EU
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)
dimensions
and construction
Type*
Dimensions inches (mm)
W
c
d
t
1F
(01005)
Protective
Coating
d
Derating Curve
Resistive Inner
Electrode
Film
Ceramic
Substrate
100
80
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
2B
(1206)
Ni
Plating
t
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(0.3±0.1) (0.45±0.1)
(1.6±0.2)
(0.8±0.1)
(0.3±0.1)
2A
(0805)
Solder
Plating
.039
1J
(0603)
W
.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)
1E
(0402)
c
.016±.0008 .008±.0008 .004±.001 .004±.001 .005±.0008
(0.4±0.02) (0.2±0.02) (0.1±0.03) (0.11±0.03) (0.13±0.02)
1H
(0201)
L
c
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .102±.008
(2.6±0.2)
60
2E
(1210)
40
2H
(2010)
1F, 1H
1E, 1J, 2A, 2B, 2E, 2H,
3A, W2H, W3A
W2H
(2010)
20
0
L
(Inch Size Code)
0
20
40
3A
(2512)
60
80
100 120
140
160 180
70
125
155
Ambient Temperature
(°C)
(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
.197±.008 .098±.008
(5.0±0.2)
(2.5±0.2)
.012
(0.3
.016
(0.4
.02±.012
(0.5±0.3)
(0.4
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.
W3A
(2512)
ordering information
.02±.004
(0.5±0.1)
+.008
-.004
+0.2 )
-0.1
.026±.006
(0.65±0.15)
.016
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
+.008
-.004
+0.2 )
-0.1
.024±.004
(0.6±0.1)
+.008
-.004
+0.2 )
-0.1
* Parentheses indicate EIA package size codes.
New Part #
RK73H
2B
Type
Size
1F
1H
1E
1J
2A
2B
2E
W2H
W3A
2H
3A
T
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)
TD
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
.026±.006
(0.65±0.15)
1003
Nominal
Resistance
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value <100Ω
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10
F
Tolerance
D: ±0.5%
F: ±1%
12/04/12
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
