precision 0.5%, 1% tolerance
thick film chip resistor
EU
features
• 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: 0201 (1H), 0402 (1E), 0603 (1J),
0805 (2A), 1206 (2B), 1210 (2E), 2010 (2H/W2H), 2512
(3A/W3A/W3A2)
Type*
dimensions and construction
L
c
c
W
Sn
Plating
Ni
Plating
t
Protective
Coating
d
Resistive Inner
Film
Electrode
Ceramic
Substrate
100
% Rated Power
100
1H, 1E, 1J, 2A, 2B,
2E, W2H, W3A (1W),
W3A2 (2W)
1F
80
1H, 1E, 1J, 2A, 2B, 2E,
W2H, W3A (1W)
80
Derating Curve
60
60
40
20
0
-60
-40
-20
0
40
60
80
100 120
70
Terminal Part Temperature
(°C)
-55
40
20
140
125
160
155
100
20
0
-55
20
40
60
80
100 120 140
70
Ambient Temperature
(°C)
125
160
155
For resistors operated at an ambient
temperature of 70°C or higher, the
power shall be derated in accordance
with the above derating curve.
W3A2
60
20
0
-60
-40
-20
-55
0
20
40
60
80
100 120 140
95
Terminal Part Temperature
(°C)
160
155
When the terminal part temperature of the resistor exceeds the rated terminal part
temperature shown above, the power shall be derated according to the derating curve.
Please refer to “Introduction of the derating curves based on the terminal part temperature”
on the beginning of our catalog before use
t
.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)
.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)
.039
1J
(0603)
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(0.3±0.1) (0.45±0.1)
(0.3±0.1)
(1.6±0.2)
(0.8±0.1)
2A
(0805)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
2B
(1206)
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .102±.008
(2.6±0.2)
(1.0
2E
(1210)
+.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)
W2H
(2010)
40
Dimensions inches (mm)
W
c
d
1F
(01005)
2H
(2010)
80
% Rated Power
0
-60 -40 -20
L
(Inch Size Code)
+.008
-.004
+0.2 )
-0.1
.012
(0.3
+.008
-.004
+0.2 )
-0.1
.016
(0.4
.02±.012
(0.5±0.3)
W3A/W3A2
(2512)
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
.024±.004
(0.6±0.1)
.026±.006
(0.65±0.15)
+.008
-.004
+0.2 )
-0.1
.016
3A
(2512)
.02±.004
(0.5±0.1)
(0.4
.026±.006
(0.65±0.15)
* Parentheses indicate EIA package size codes.
ordering information
RK73H
2B
Type
Size
1F
1H
1E
1J
2A
2B
2E
W2H
W3A
2H
3A
W3A2
T
Termination
Material
T: Sn
(1F ~ W3A2)
Contact factory
for below
options:
L: SnPb
(1E, 1J, 2A, 2B,
2E, 2H, 3A)
G: Au
(1E ~ 2A:
10Ω ~ 1MΩ)
TD
Packaging
TX: 01005 only: 4mm width - 1mm pitch
plastic embossed
TBL: 01005 only: 2mm 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, 1210:
7" 4mm pitch punched paper
TE: 0805, 1206, 1210, 2010 & 2512:
7" 4mm embossed plastic
1003
F
Nominal
Resistance
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value
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