thick film 0.25%, 0.5%, 1% tolerance, 50ppm/°C
chip resistor
EU
features
• High precision resistor with T.C.R. of
±50 ppm/°C and tolerance of ±0.25%,
±0.5% or ±1%
• 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
dimensions and construction
L
c
Type
c
1H
(0201)
W
Ni
Plating
t
Protective
Coating
d
.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
(0.5±0.1)
(0.4±0.2)
(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
+.002
.008±.004 .01 -.004
+0.05
.02±.002 (0.2±0.1) (0.25 -0.1 ) .014±.002
(0.35±0.05)
(0.5±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)
1E
(0402)
Sn
Plating
Dimensions inches (mm)
W
c
d
L
(Inch Size Code)
(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
TPL - TP: 2mm pitch punch paper
TD: 4mm pitch punch paper
TE: 4mm pitch plastic embossed
*2 With type 1H, only T is available as the terminal surface material.
*1 With type A, only T is available as the terminal surface material.
1003
Nominal
Resistance
3 significant
figures +
1 multiplier
“R” indicates
decimal on
value
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