1570 Reader's Spreads pg1-188
3/26/07
2:26 PM
Page 16
RK73N
resistors
trimmable chip resistor
features
•
•
•
•
•
•
•
Same quality thick film construction as type RM
Glass passivated, supplied without protective coat
Anti-leaching nickel barrier terminations
Trimmable in circuit 2x original value
Replaces trimmer in critical circuit adjustments
Marking: Black body with no marking
Products with lead-free terminations meet
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
c
Type
c
L
(Inch Size Code)
+.004
-.002
+0.1 )
-0.05
Dimensions inches (mm)
W
c
d
t
+.002
-.004
(0.25 +0.05)
-0.1
Resistive Inner
Film
Electrode
Ceramic
Substrate
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .102±.008
(2.6±0.2)
.197±.008 .098±.008
(5.0±0.2)
(2.5±0.2)
3A
(2512)
Protective
Coating
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
2H
(2010)
d
.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)
2E
(1210)
Ni
Plating
t
1J
(0603)
2B
(1206)
Solder
Plating
1E
(0402)
2A
(0805)
W
.039
.248±.008 .122±.008
(6.3±0.2)
(3.1±0.2)
(1.0
.02±.002 .008±.004
(0.5±0.05) (0.2±0.1)
.01
.012
(0.3
.016
(0.4
.02±.012
(0.5±0.3)
+.008
-.004
+0.2 )
-0.1
+.008
-.004
+0.2 )
-0.1
.013±.002
(0.33±0.05)
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
.025±.005
(0.65±0.15)
ordering information
New Part #
RK73N
2B
Type
Size
1E
1J
2A
2B
2E
2H
3A
T
Termination
Material
T: Sn
L: SnPb
(Other termination
styles may be
available, please
contact factory
for options)
TD
Packaging
TP: 2mm pitch punched paper
(0402, 0603 & 0805)
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
(0805, 1206, 1210,
2010 & 2512)
102
Nominal
Resistance
2 significant
figures + 1
multiplier
W
Tolerance
N: 0 ~ -20%
P: 0 ~ -30%
W: ±10%
M: ±20%
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.
18
1/26/07
KOA Speer Electronics, Inc. • Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
