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UR731ETTDR10F

Description
Current Sensing Chip Resistor
File Size129KB,4 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Download Datasheet View All

UR731ETTDR10F Overview

Current Sensing Chip Resistor

KOA SPEER ELECTRONICS, INC.
SS-258 R6
AHA 6/20/08
Current Sensing Chip Resistor
UR73 Type
1. Features
I
Very low resistance, high precision reliability
I
Suitable for reflow and flow soldering
I
Products with lead-free terminations meet RoHS requirements. Pb located in glass material,
CERTIFIED
CERTIFIED
I
Utilization of thick film
I
Low T.C.R. achieved (±100 ppm/°C)
electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC
Size
Code
NEW
a
W
L
a
2. Dimensions
UR73
Resistance
Range
24m ~ 100m
L
+0.1
(1.0
-0.05
)
Dimensions
inches
(mm)
W
h
a
+0.1
(0.5
-0.05
)
+.005
b
D1E
.039
+.004
.020
+.004
-.002
-.002
.016±.002 .010±.004 .012±.004
(0.4±0.05) (0.25±0.1) (0.3±0.1)
.02±.004 .014±.004
(0.55±0.1)
(0.5±0.1) (0.35±0.1)
.014±.004
(0.35±0.1)
.024±.008
(0.6±0.2)
.02±.008
(0.5±0.2)
.022±.004
D1J
Ni
Plating
10m ~ 27m
.063±.008 .031
-.004
30m ~ 100m
(1.6±0.2) (0.8
+0.15
)
-0.1
h
b
Protective
Coating
Resistive Inner
Film
Electrode
D2A
10m ~ 16m
.079±.008 .049±.008 .022±.004 .016±.008
18m ~ 30m
(2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2)
Ceramic
Substrate
2A
L
a
.012
+.008
-.004
.079±.008 .049±.008 .02±.004 .016±.008
33m ~ 100m
(2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) (0.3
+0.2
)
-0.1
.039±.008
10m ~ 16m
.126±.008 .063±.008 .024±.004 .020±.008
(1.0±0.2)
18m ~ 27m
(3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.2)
.031±.008
(0.8±0.2)
+.008
.126±.008 .063±.008 .024±.004 .020±.012 .016
-.004
30m ~ 100m
(3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.3) (0.4
+0.2
)
-0.1
UR73D
W
a
D2B
h
b
Resistive
Film
Protective
Ceramic
Substrate Coating
Inner
Electrode
NEW
Ni
Plating
Solder
Plating
2B
D2H
.063±.012
10m ~ 30m
.197±.008 .098±.008 .026±.004 .026±.012
(1.6±0.3)
33m ~ 100m
(5.0±0.2) (2.5±0.2) (0.65±0.1) (0.65±0.3)
.026±.012
(0.65±0.3)
.079±.012
10m ~ 30m
.248±.008 .122±.008 .024±.004 .031±.012
(2.0±0.3)
33m ~ 100m
(6.3±0.2) (3.1±0.2) (0.6±0.1) (0.8±0.3)
.031±.012
(0.8±0.3)
D3A
3. Type Designation
The type designation shall be in the following form:
UR73
Type
UR73
UR73D
Size Code
1E: 0.125W
1J: 0.2 W
2A: 0.25 W
2B: 0.5 W
2H: 0.75W
3A: 1 W
I
2A
Termination
Material
T: Sn
T
Packaging
TP: 2mm pitch punch paper
(1E: 10,000 pcs/reel)
TD: 7" punched paper tape
(1J, 2A, 2B: 5,000 pcs/reel)
TE: 7" embossed plastic
(2H, 3A: 4,000 pcs/reel)
I
TD
Nominal
Resistance
All values less than 0.1Ω (100mΩ) are
expressed in mΩ with “L” as decimal.
Ex: 20mΩ = 20L0
R10
Tolerance
F: ±1%
F
PAGE 1 OF 4
I
Bolivar Drive
P.O. Box 547
I
Bradford, PA 16701
USA
I
814-362-5536
Fax 814-362-8883
I
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.
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