RF73
fusing flat chip resistor
EU
features
•
•
•
•
•
•
Anti-leaching nickel barrier terminations
Suitable for flow and reflow soldering
Performs like RK73 under normal conditions
Fuses when overloaded
Marking: Black three-digit on brown protective coating
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
c
L
c
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
W
Solder
Plating
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
1J
(0603)
2A
(0805)
2B
(1206)
2E
(1210)
2H
(2010)
3A
(2512)
.063±.008 .031±.004 .012±.004 .012±.004
(1.6±0.2)
(0.8±0.1)
(0.3±0.1)
(0.3±0.1)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
.063±.008
.126±.008
(1.6±0.2)
(3.2±0.2)
.102±.008
(2.6±0.2)
.197±.008 .098±.008
(2.5±0.2)
(5.0±0.2)
.248±.008 .122±.008
(3.1±0.2)
(6.3±0.2)
.012
(0.3
+.008
-.004
+0.2
)
-0.1
.02±.004
(0.5±0.1)
Ceramic
Substrate
.02±.012
(0.5±0.3)
.016
(0.4
+.008
-.004
+0.2
)
-0.1
.024±.004
(0.6±0.1)
ordering information
New Part #
RF73
Type
2B
Size Code
1J: 0603
2A: 0805
2B: 1206
2E: 1210
2H: 2010
3A: 2512
T
Termination
Material
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
TD
Packaging
TD: 7" paper tape
(0603, 0805, 1206, 1210:
5,000 pieces/reel)
TE: 7" punched plastic
(0805, 1206, 1210, 2010,
2512: 4,000 pieces/reel)
100
Nominal
Resistance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
J
Tolerance
J: ±5%
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/20/08
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
173
circuit
protection
KOA [ KOA SPEER ELECTRONICS, INC. ]
