thick film 0.25%, 0.5%, 1% tolerance, 50ppm/°C
chip resistor
EU
features
• Metal-glaze thick film resistor for surface
mounting
• High precision resistor with T.C.R. of ±50 ppm/°C and
tolerance of ±0.25%, ±0.5% or ±1%
• Suitable for both flow and reflow solderings
• 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 Tested
c
c
1E
(0402)
Sn
Plating
Ni
Plating
t
Protective
Coating
.039 +.004
-.002
(1.0 +0.1
-0.05 )
1E AT
(0402)
Resistive Inner
Film
Electrode
1J
(0603)
Ceramic
Substrate
2A AT
(0805)
+.008
.016±.008 .012 -.004 .02±.004
+0.2
(0.4±0.2)
(0.5±0.1)
(0.3 -0.1 )
.079±.008 .049±.004
(2.0±0.2) (1.25±0.1)
.018±.010 .024±.008 .022±.004
(0.45±0.25) (0.6±0.2) (0.55±0.1)
2B
(1206)
.02±.012
(0.5±0.3)
2A
(0805)
60
1H, 1E, 1J
, 2A, 2B
40
20
-20
0
20
40
60
80
70
Ambient Temperature
(°C)
100 120
140
155
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.
% Rated Power
80
% Rated Power
100
80
0
-60 -40
-55
.126±.008 .063±.008
(3.2±0.2)
(1.6±0.2)
2B AT
(1206)
100
.02±.002
(0.5±0.05)
+.002
.008±.004 .01 -.004
(0.2±0.1) (0.25 +0.05) .014±.002
-0.1
(0.35±0.05)
.01±.004 .012±.006
(0.25±0.1) (0.3±0.15)
.012±.004 .012±.004
(0.3±0.1) .018±.004
.063±.008 .031±.004 (0.3±0.1)
(1.6±0.2)
(0.8±0.1) .014±.006 .02±.008 (0.45±0.1)
(0.35±0.15) (0.5±0.2)
1J AT
(0603)
Derating Curve
t
.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)
1H
(0201)
W
d
L
(Inch Size Code)
L
Dimensions inches (mm)
W
c
d
Type
dimensions and construction
(0.4
+.008
-.004
+0.2 )
-0.1
.022±.014 .031±.008
(0.55±0.35) (0.8±0.2)
.024±.004
(0.6±0.1)
For resistors operated at a terminal part
temperature of described for each size or
above, a power rating shall be derated in
accordance with the above derating curve.
Please refer to “Introduction of the derating
curve based on the terminal part temperature”
in the beginning of our catalog before use.
60
40
20
0
-60 -40
-55
.016
-20
0
20
40
60
80
100 120
140
125
155
Terminal Part Temperature
(°C)
ordering information
RK73G
1J
T
Type
Size
Characteristic
1H
1E
1J
2A
2B
Nil: Standard
New A: Heat
shock resistance *1
Termination
Material
T: Sn
(L:Sn/Pb*2)
TD
Packaging
TCM: 2mm pitch press paper *3
TPL - TP: 2mm pitch punch paper
TD: 4mm pitch punch paper
TE: 4mm pitch plastic embossed
*1 With type A, only T is available as the terminal surface material.
*2 With type 1H, only T is available as the terminal surface material.
The terminal surface material lead free is standard.
For further information on packaging, please refer to Appendix A
*3 Standard taping specification
of 1H is TCM. Previously available
“TC (10,000pcs/Reel)” is not
recommended for new designs
1003
Nominal
Resistance
3 significant
figures +
1 multiplier
“R” indicates
decimal on
value
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