surface
mount
resistors
RK73H
precision 0.5%, 1% tolerance
thick film chip resistor
features
•
•
•
•
•
RuO2 thick film resistor element
Anti-leaching nickel barrier terminations
90/10 solder plated terminations, standard
Available in 100% tin terminations (no lead)
Also available with epoxy bondable palladium silver
terminations in 2A and 2B sizes
• Meets or exceeds EIA 575, EIAJ RC 2690A,
EIA PDP-100, MIL-R-55342F
• Marking: Four-digit black on blue protective coat
No marking on 1H or 1E sizes
Three-digit on 1J size, E-24 values only
dimensions and construction
L
c
Type
c
Dimensions inches (mm)
W
c
d
L
(Inch Size Code)
t
1H
(0201)
1E
(0402)
2E
(1210)
Protective
Coating
Resistive Inner
Film
Electrode
Ceramic
Substrate
.197±.008 .098±.008
(5.0±0.2)
(2.5±0.2)
3A
(2512)
d
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .102±.008
(2.6±0.2)
2H
(2010)
t
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
2B
(1206)
Ni
Plating
.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)
2A
(0805)
Solder
Plating
.039
1J
(0603)
W
.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)
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
(1.0
+.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 #
RK73
New Part #
RK73H
Type
H
2B
2B
Solderable
For further information on packaging,
please refer to Appendix A.
Size
1H
1E
1J
2A
2B
2E
2H
3A
T
L
Termination
Material
L: SnPb
T: Sn
1003
F
TD
1003
F
Packaging
TB: 2mm pitch pressed paper
(0201 only)
TP: 2mm pitch punched paper
(0402 & 0603 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
D: ±0.5%
F: ±1%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10
KOA Speer Electronics, Inc. • Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
