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
. (1.0 -+001) 0. 5
Dimensions inches (mm) W h a
. (0.5 -+001) 0. 5
b
D1E
004 004 .039 +..002 .020 +..002 -
.016±.002 .010±.004 .012±.004 (0.4±0.05) (0.25±0.1) (0.3±0.1)
D1J
Ni Plating
h b Protective Coating Resistive Inner Film Electrode
.022±.004 +.005 10m ~ 27m .063±.008 .031 -.004 .02±.004 .014±.004 (0.55±0.1) 30m ~ 100m (1.6±0.2) (0.8 +0.15) (0.5±0.1) (0.35±0.1) .014±.004 -0.1 (0.35±0.1) 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) 33m ~ 100m .079±.008 .049±.008 .02±.004 .016±.008 .024±.008 (0.6±0.2) .02±.008 (0.5±0.2)
008 .012 +..004 02 (0.3 +0..1 ) -
D2A
Ceramic Substrate
2A
L a
(2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2)
UR73D
W
a
D2B
.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) 30m ~ 100m .126±.008 .063±.008 .024±.004 .020±.012
008 .016 +..004 02 (0.4 +0..1 ) -
h b Resistive Film Ceramic Protective Substrate Coating Inner Electrode
NEW
Ni Plating
Solder Plating
2B
(3.2±0.2)
(1.6±0.2)
(0.6±0.1)
(0.5±0.3)
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.
KOA SPEER ELECTRONICS, INC.
SS-258 R6
4. Applications & Ratings
Part Designation NEW UR73D1E UR73D1J UR73D2A UR732A UR73D2B UR732B NEW UR73D2H UR73D3A Power Rating 1/8W (.125W) T.C.R. (ppm/°C) Max. ±100 ±500 ±100 1/5W (.2W) 1/4W (.25W) 1/4W (.25W) 1/2W (.5W) 1/4W (.25W) 1/2W (.5W)* 3/4W (.75W) 1W (1W) ±200 ±300 ±250 ±100 ±250 ±200 ±100 ±250 ±250 ±100 ±250 ±100 Resistance Range F (±1%) E-24, 25m , 50m 47m - 100mΩ 25mΩ 47m - 100mΩ 30m - 43mΩ 10m - 27mΩ 10m - 30mΩ 47m - 100mΩ 33m - 43mΩ 10m - 27mΩ 47m - 100mΩ 30m - 43mΩ 10m - 30mΩ 33m - 100mΩ 10m - 30mΩ 33m - 100mΩ 0.086V 0.158V 0.116V 0.158V 0.274V 0.316V 0.216V 0.395V 0.290V 0.395V 0.685V 0.791V -55°C to +125°C 0.141V 0.353V Absolute Maximum Working Voltage 0.111V Maximum Overload Voltage (5 sec. max.) 0.279V Operating Temperature Range
* Please contact factory for Power Rating
5. Environmental Applications
Derating Curve
100
100
Surface Temperature Rise - UR73 & UR73D
UR73 33m
100
UR73D 10m
3A (1)
80 % Rated Power 60 40 20 0 -60 -40 -55 -20 0 80 70 Ambient Temperature (∞C) 20 40 60 100 120 140 125
Temperature Rise (∞C)
2B (.5W) (1) 2B (.5W) (2) 2A (1) 2A (2) 2B (.25W) (1) 2B (.25W) (2)
Temperature Rise (∞C)
75
75
3A (2) 2H (1) 2B (1) 2H (2) 2B (2) 2A (1) 1J (1) 1E (1) 2A (2) 1J (2) 1E (2)
50
50
25
25
0
0
25
50
75
100
0
0
25
50
75
100
% Rated Power
1 2
% Rated Power
1 2
PAGE 2 OF 4 Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
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.
KOA SPEER ELECTRONICS, INC.
SS-258 R6
6. Characteristics
Parameter Resistance to Solder Heat Solderability Terminal Strength Bend Vibration T.C.R. Short Time Overload Pulse Thermal Shock High Temperature Exposure Moisture Resistance Life Requirement ∆ R ± (1.0% + 0.005Ω) 95% coverage minimum ± (1.0% + 0.005Ω) ± (0.5% + 0.005Ω) Within specified ± (2.0% + 0.005Ω) ± (5.0% + 0.005Ω) ± (1.0% + 0.005Ω) ± (1.0% + 0.005Ω) ± (2.0% + 0.005Ω) ± (2.0% + 0.005Ω Test Method MIL-R-55342 π 4.7.7, 260°C ± 5°C 10 ± 1 sec. 4.17 235°C ± 5°C 2 + 0.5 sec. 5mm min. deflection in either direction for 10 sec. Each directions (3) for 2 hours 4.8 -55°C/+25°C/125°C MIL-R-55342 π 4.7.5, 2.5 x RCWV for 5 sec. 2.5 x RCWV, not exceeding maximum overload voltage, 1 sec. ON, 25 sec. OFF, 10,000 cycles 4.19 -40°C (30 min.), +125°C ( 30 min.), 50 cycles 4.23 125°C ± 3°C, 1000 hrs 4.24 40°C ± 2°C 90 - 95% RH, 1000 hrs 4.25 70°C ± 3°C, 1000 hrs
Dimensions millimeters Component Size
2.0 X 1.25 3.2 X 1.6 1.0 X 0.5 1.6 X 0.8 2.0 X 1.25 3.2 X 1.6 5.0 X 2.5 5.0 X 2.5 6.4 X 3.2 6.4 X 3.2
7. Pad Dimensions
D C B A
Type
UR73
Style
2A 2B 1E 1J 2A 2B
A
1.3 2.2 0.5 0.5 0.8 1.2 1.8 3.3 2.3 4.6
B
3.1 4.4 1.8 2.5 3.4 4.6 6.1 6.1 8.0 8.0
C
1.25 1.6 0.5 0.9 1.3 1.8 2.6 2.5 3.3 3.0
D
0.9 1.1 0.65 1.0 1.3 1.7 2.5 1.4 1.7 1.7
Soldering Pad
UR73D
2H
(10m~30mΩ)
Chip Resistor
2H
(33m~100mΩ)
3A
(10m~30mΩ)
3A
(33m~100mΩ)
8. Packaging Specifications 8.1 Leader and End Tape
7.87 (200) 15.75 (400) 1.97 (50)
Top tape (Empty) End Tape (Empty) (Top Tape) Leader Tape Tape running direction
PAGE 3 OF 4
I
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
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.
KOA SPEER ELECTRONICS, INC.
SS-258 R6
8. Packaging Specifications (Continued) 8.2 Dimensions of Punched Paper Tape
0.1 1.5 +0 -
C a r r i e r Ta p e
1.75±0.1
B A
P1
(TP)
W
T1
2.0 4.0±0.1 Direction of feed
T1
T1
P1
Type
1E 1J UR73 UR73D 2A 2B 2H 3A
Component Size (mm) L
1 1.6 2 3.2 5 6.3
W
0.5 0.8 1.25 1.6 2.5 3.1
T
0.35 0.45 0.5 0.6 0.6 0.6
Carrier Tape
TP TP TD TP TD TE TD TE TE TE
Quantity/ Reel (Pieces)
10000 10000 5000 10000 5000 4000 5000 4000 4000 4000
Taping (mm) A
1.15±0.1 1.9±0.1 1.9±0.1 2.4±0.2 2.4±0.2 2.4±0.2 3.5±0.2 3.5±0.2 5.35±0.2 6.65±0.2
B
0.65±0.1 1.1±0.1 1.1±0.08 1.65±0.2 1.65±0.2 1.6±0.2 2±0.2 1.9±0.2 2.9±0.2 3.44±0.2
W
8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 12.0±0.1 12.0±0.1
P1
2±0.05 2±0.05 4.0±0.1 2±0.05 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1
T1
0.45+0.2/-0 0.6+0.2/-0 0.6+0.2/-0 0.75+0.2/-0 0.75+0.2/-0 0.9±0.1 0.75+0.2/-0 1.0±0.1 1.0±0.15 1.0±0.15
Reel Size
178 178 178 178 178 178 178 178 178 178
(Notes) Dotted lines are applicable to only “TP” and “TB.”
8.3 Reel specifications for taping
Reel
(mm)
Central hole
(Notes) Reel holes, shapes and design are examples
øa
ø13 e
ød
Type UR73, UR73D
ød (mm) 21
e (mm) 2
9. Lot Number (8 digits)
53 Production Year, Month 12 Date 3001 Additional Day Number
41 ~ 52 53 ~ 64
January 2006 December 2006 January 2007 December 2007
10. Marking & Coating Color
UR73 UR73D
Type
Tolerance
F (±1%)
Coating
Indigo
Marking Color
white / 4 digit PAGE 4 OF 4
Bolivar Drive
I
P.O. Box 547
I
Bradford, PA 16701
I
USA
I
814-362-5536
I
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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