RK73B
general purpose 2%, 5% tolerance
thick film chip resistor
EU
features
• RuO2 thick film resistor element
• Anti-leaching nickel barrier terminations
• Meets or exceeds EIA 575, EIAJ RC 2690A,
EIA PDP-100, MIL-R-55342F
• Marking: White three-digit on black protective coat
No marking on 1F, 1H and 1E sizes
• Products with lead-free terminations meet EU RoHS
requirements. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
dimensions and construction
L
Type
(Inch Size Code)
Dimensions inches (mm)
c
c
L
W
c
d
t
1F
(01005)
.015 .001 .007 .001 .004 .001 .004 .001 .005 .001
(0.4±0.02) (0.2±0.02) (0.10±0.03) (0.11±0.03) (0.13±0.02)
W
d
1H
.024 .001 .012 .001 .004 .002 .006 .002 .009 .001
Solder
Plating
(0201)
(0.6±0.03) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.03)
.039 +.004
.01 +.002
Ni
t
1E
(0402)
-.002 .02 .002 .008 .004
-.004 .014 .002
Plating
(1.0 +0.1
)
(0.25 +0.05
(0.5±0.05) (0.2±0.1)
(0.35±0.05)
)
-0.05
-0.1
Protective
Coating
Resistive Inner
Film Electrode
1J
(0603)
.063 .008 .031 .004 .012 .004 .012 .004 .018 .004
(1.6±0.2)
(0.8±0.1)
(0.3±0.1)
(0.3±0.1) (0.45±0.1)
Ceramic
Substrate
.012 +.008
2A
(0805)
.079 .008 .049 .004 .016 .008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
-.004 .02 .004
(0.3 +0.2
)
(0.5±0.1)
-0.1
2B
.063 .008
(1206)
(1.6±0.2)
.126 .008
(3.2±0.2)
2E
(1210)
.102 .008
(2.6±0.2)
.016 +.008
.02 .012
(0.5±0.3)
.024 .004
(0.6±0.1)
-.004
(0.4 +0.2
)
2H
(2010)
.197 .008 .098 .008
-0.1
(5.0±0.2)
(2.5±0.2)
3A
(2512)
.248 .008 .122 .008
(6.3±0.2)
(3.1±0.2)
ordering information
New Part #
RK73B
2B
T
TD
102
J
Termination
Material
Nominal
Resistance
Type
Size
Packaging
Tolerance
1F
1H
1E
1J
2A
2B
2E
2H
3A
T: Sn
(1F, 1H, 1E, 1J, 2A,
2B, 2E, 2H, 3A)
L: SnPb
(1E, 1J, 2A, 2B, 2E,
2H,3A)
(Other termination
styles may be
available, please
contact factory
for options)
TB: 7" 2mm pitch pressed paper
(01005 only)
TC: 7" 2mm pitch punched pressed
paper (0201 only)
TCD: 10" 2mm pitch punched pressed
paper (0201 only)
TP: 7" 2mm pitch punched paper
(0402 & 0603)
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
G: 2ꢀ
J: 5ꢀ
TD: 7" paper tape
(0603, 0805, 1206 &1210)
TDD: 10" paper tape
(0603, 0805, 1206 &1210)
TE: 7" punched plastic
(0805, 1206, 1210, 2010 & 2512)
TED: 10" punched plastic
For further information on packaging, please refer to Appendix A.
(0805, 1206, 1210, 2010 & 2512)
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/17/07
8
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com