thin (metal) film flat chip resistors
EU
features
• Nickel chromium thin film resistor element
• Products with lead-free terminations meet
EU RoHS requirements
Type
dimensions and construction
L
c
c
Ni
Plating
d
.02±.002 .008±.004
.014±.002
(0.5±0.05) (0.2±0.1) (0.25 +0.05) (0.35±0.05)
-0.1
.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)
RN73 2A
(0805)
.079±.008 .049±.008 .016±.008
(2.0±0.2) (1.25±0.2) (0.4±0.2)
RN73 2B
(1206)
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .098±.008
(2.5±0.2)
EOL
Protective
Coating
Resistive Inner
Film
Electrode
Ceramic
Substrate
Derating Curve
100
RN73 2E
(1210)
.02±.012
(0.5±0.3)
.012 +.008
-.004
(0.3 +0.2
-0.1 )
.016 +.008
-.004
(0.4 +0.2
-0.1 )
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
100
80
80
% Rated Power
% Rated Power
(1.0 +0.1
-0.05 )
t
.01 +.002
-.004
RN73 1J
(0603)
Solder
Plating
t
.039 +.004
-.002
RN73 1E
(0402)
W
Dimensions inches (mm)
W
c
d
L
(Inch Size Code)
60
40
20
1E, 1J (75°C)
2A (80°C)
2B (85°C)
2E (95°C)
60
40
20
0
-60 -40
-55
-20
0
20
40
60
80 100
70
Ambient Temperature
(°C)
0
-60 -40
-55
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.
ordering information
RN73
2B
Type
Size
1E
1J
2A
2B
2E
T
Termination
Material
T: Sn
L: SnPb
-20
0
20
80
100 120 140
75 85 95
155
Terminal Part Temperature
(°C)
40
60
For resistors operated terminal part temperature of described for each size
or above, a power rating shall be derated in accordance with derating curve.
Please refer to “Introduction of the derating curves based on the terminal
part temperature” in the beginning of our catalog before use.
TE
Packaging
TP: 0402: 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:
7" embossed plastic
TED: 0805, 1206, 1210:
10" embossed plastic
For further information on packaging, please
refer to Appendix A
1002
Nominal
Resistance
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value
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