surface
mount
resistors
RN73
ultra precision 0.05%, 0.1%, 1% tolerance
thin film chip resistor
features
•
•
•
•
•
Nickel chromium thin film resistor element
Anti-leaching nickel barrier terminations
90/10 solder plated terminations, standard
Meets or exceeds EIA 576, MIL-R-55342F
Marking: Four-digit, distinctive color identifiers
(Only E-24 values are marked on 1J)
dimensions and construction
L
c
Type
c
Dimensions inches (mm)
W
c
d
L
(Inch Size Code)
t
1H
(0201)
Ni
Plating
t
d
Protective
Coating
Resistive Inner
Electrode
Film
Ceramic
Substrate
.039
1J
(0603)
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(0.3±0.1) (0.45±0.1)
(1.6±0.2)
(0.8±0.1)
(0.3±0.1)
2A
(0805)
Solder
Plating
1E
(0402)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
2B
(1206)
W
.024±.002 .012±.001 .004±.002 .006±.002 .009±.002
(0.6±0.05) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.05)
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .098±.008
(2.5±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
.02±.012
(0.5±0.3)
.012
(0.3
.016
(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)
ordering information
Old Part #
RN73
New Part #
RN73
Type
E
2B
2B
Size
T: ±10
E: ±25
C: ±50
For further information
on packaging, please refer
to Appendix A.
T.C.R.
1H
1E
1J
2A
2B
2E
T
L
Termination
Material
L: SnPb
T: Sn
1002
B
TE
1002
B
Packaging
TB: 2mm pitch pressed paper
(0201 only)
TP: 2mm pitch punched paper
(0402 only)
TD: 7" paper tape
TDD: 10" paper tape
TE: 7" embossed plastic
TED: 10" embossed plastic
Nominal
Resistance
3 significant
figures + 1
multiplier
“R” indicates
decimal on
value <100Ω
Tolerance
A: ±0.05%
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1.0%
25
T.C.R.
(ppm/°C)
10
25
50
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
18
KOA Speer Electronics, Inc. • Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.