UR73
UR73D
36
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/16/08
UR73
current sensing chip resistor
features
• Very low resistance, high precision reliability
• Suitable for reflow and flow soldering
• Utilization of thick film
• Low T.C.R. achieved (±100 ppm/°C)
• Marking: Indigo body color with white marking
• Products with lead-free terminations meet
EU RoHS requirements
ordering information
F: ±1%T: Sn
All values less than
0.1Ω (100mΩ) are
expressed in mΩ with
“L” as decimal.
Ex: 20mΩ = 20L0
1E: 0.125W
1J: 0.2W
2A: 0.25W
2B: 0.5W
2H: 0.75W
3A: 1W
TP: 2mm pitch
punch paper
(1E)
TD: 7" punched
paper tape
(1J, 2A, 2B)
TE: 7" embossed plastic
(2H, 3A)
UR73
Type
Power Rating
Nominal
Resistance
Tolerance
Termination
Material
Packaging
New Part #
2A TD R10 FT
For further information on packaging, please refer to Appendix A.
dimensions and construction
Size
Code
.126±.008
(3.2±0.2)
.079±.008
(2.0±0.2)
.024±.004
(0.6±0.1)
.02±.004
(0.55±0.1)
.020±.012
(0.5±0.3)
.016±.008
(0.4±0.2)
.063±.008
(1.6±0.2)
.049±.008
(1.25±0.2)
2A
2B
bahWL
Dimensions inches (mm)
.012
+.008
-.004
(0.3
+0.2
)
-0.1
.016
+.008
-.004
(0.4
+0.2
)
-0.1
Protective
Coating
Inner
Electrode
Resistive
Film
Ceramic
Substrate
Ni
Plating
L
aa
W
h
b
resistors
30m ~ 100m
33m ~ 100m
Resistance
Range
.079±.008
(2.0±0.2)
.063±.008
(1.6±0.2)
.022±.004
(0.55±0.1)
.02±.004
(0.5±0.1)
.016±.008
(0.4±0.2)
.014±.004
(0.35±0.1)
.049±.008
(1.25±0.2)
.031
+.005
-.004
(0.8
+0.15
)
-0.1
D1J
D2A
.022±.004
(0.55±0.1)
10m ~ 16m
18m ~ 30m
10m ~ 27m
30m ~ 100m
.126±.008
(3.2±0.2)
.024±.004
(0.6±0.1)
.020±.008
(0.5±0.2)
.063±.008
(1.6±0.2)
D2B
10m ~ 16m
18m ~ 27m
.014±.004
(0.35±0.1)
.024±.008
(0.6±0.2)
.02±.008
(0.5±0.2)
.039±.008
(1.0±0.2)
.031±.008
(0.8±0.2)
.248±.008
(6.3±0.2)
.024±.004
(0.6±0.1)
.031±.012
(0.8±0.3)
.122±.008
(3.1±0.2)
D3A
10m ~ 30m
33m ~ 100m
.079±.012
(2.0±0.3)
.031±.012
(0.8±0.3)
.197±.008
(5.0±0.2)
.026±.004
(0.65±0.1)
.026±.012
(0.65±0.3)
.098±.008
(2.5±0.2)
D2H
10m ~ 30m
33m ~ 100m
.063±.012
(1.6±0.3)
.026±.012
(0.65±0.3)
Protective
Coating
Inner
Electrode
Resistive
Film
Ceramic
Substrate
Ni
Plating
L
aa
W
h
b
Solder
Plating
UR73
UR73D
.039
+.004
-.002
(1.0
+0.1
)
-0.05
.016±.002
(0.4±0.05)
.010±.004
(0.25±0.1)
.020
+.004
-.002
(0.5
+0.1
)
-0.05
D1E
.012±.004
(0.3±0.1)
24m ~ 100m
1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 34
