resistors
RK73G
thick film 0.5%, 1% tolerance, 50ppm/°C
chip resistor
EU
features
• High precision resistor with T.C.R. of
±50 ppm/°C and tolerance of ±0.5% or ±1%
• Marking: 1H, 1E: no marking on black protective coating
1J: no marking for E-96, white 3-digits for E-24,
on dark blue protective coating
2A, 2B: white 4-digit on dark blue protective coating
• 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)
dimensions and construction
L
c
Type
c
L
(Inch Size Code)
Dimensions inches (mm)
W
c
d
Protective
Coating
d
Resistive Inner
Film
Electrode
Ceramic
Substrate
Derating Curve
.039
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(1.6±0.2)
(0.8±0.1)
(0.3±0.1) (0.45±0.1)
(0.3±0.1)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
.012
2B
(1206)
Ni
Plating
t
1E
(0402)
2A
(0805)
Solder
Plating
.024±.001 .012±.001 .004±.002 .006±.002 .009±.012
(0.6±0.03) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.03)
1J
(0603)
W
.126±.008 .063±.008
(3.2±0.2)
(1.6±0.2)
.016
(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
100
80
% Rated Power
t
1H
(0201)
.02±.012
(0.5±0.3)
(0.3
(0.4
+.008
-.004
+0.2 )
-0.1
.02±.004
(0.5±0.1)
+.008
-.004
+0.2 )
-0.1
.024±.004
(0.6±0.1)
60
1H
40
1E, 1J, 2A, 2B
20
0
-60 -40
-55
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.
-20
0
20
40
60
80
70
Ambient Temperature
(°C)
100 120
140
125
155
ordering information
New Part #
RK73G
1J
Type
Size
1H
1E
1J
2A
2B
T
Termination
Material
T: Sn
(1H, 1E, 1J,
2A, 2B)
L: SnPb
(1E, 1J, 2A, 2B)
TD
Packaging
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)
TPL: 0402 only: 2mm pitch punch paper
TP: 0402, 0603, 0805: 7" 2mm pitch
punch paper
TD: 0603, 0805, 1206: 7" 4mm pitch
punched paper
TDD: 0603, 0805, 1206: 10" paper tape
TE: 0805, 1206: 7" embossed plastic
TED: 0805, 1206: 10" embossed plastic
For further information on packaging,
please refer to Appendix A
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.
12
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
