UR731ETTER10F [KOA]
current sensing chip resistor; 电流感应贴片电阻
| 型号： | UR731ETTER10F |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | current sensing chip resistor |
| 文件： | 总2页 (文件大小：103K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UR73
current sensing chip resistor
EU
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
dimensions and construction
Dimensions inches (mmꢀ
Size
Code
Resistance
Range
L
L
W
h
a
b
a
a
UR73
+.004
-.002
+.004
.039
.020
-.002
.016 .002 .010 .004 .012 .004
24m ~ 100m
D1E
D1J
D2A
2A
+±.ꢁ
+±.ꢁ
(±.4±±.±5ꢀ (±.25±±.ꢁꢀ (±.3±±.ꢁꢀ
W
b
(ꢁ.±
ꢀ
(±.5
ꢀ
-±.±5
-±.±5
.022 .004
+.005
-.004
(±.8 +-±±..ꢁꢁ5ꢀ
.031
10m ~ 27m
(±.55±±.ꢁꢀ
.063 .008
(ꢁ.6±±.2ꢀ
.02 .004 .014 .004
(±.5±±.ꢁꢀ (±.35±±.ꢁꢀ
Ni
30m ~ 100m
h
.014 .004
(±.35±±.ꢁꢀ
Plating
.024 .008
(±.6±±.2ꢀ
.02 .008
(±.5±±.2ꢀ
Protective
Coating
Resistive Inner
Film Electrode
10m ~ 16m
18m ~ 30m
.079 .008 .049 .008 .022 .004 .016 .008
(2.±±±.2ꢀ (ꢁ.25±±.2ꢀ (±.55±±.ꢁꢀ (±.4±±.2ꢀ
Ceramic
Substrate
+.008
.012
-.004
.079 .008 .049 .008 .02 .004 .016 .008
(2.±±±.2ꢀ (ꢁ.25±±.2ꢀ (±.55±±.ꢁꢀ (±.4±±.2ꢀ
33m ~ 100m
(±.3 +-±±..ꢁ2ꢀ
L
a
a
UR73D
.039 .008
(ꢁ.±±±.2ꢀ
10m ~ 16m
18m ~ 27m
.126 .008 .063 .008 .024 .004 .020 .008
(3.2±±.2ꢀ (ꢁ.6±±.2ꢀ (±.6±±.ꢁꢀ (±.5±±.2ꢀ
D2B
2B
.031 .008
(±.8±±.2ꢀ
W
b
+.008
.016
-.004
.126 .008 .063 .008 .024 .004 .020 .012
Solder
Plating
30m ~ 100m
(±.4 +-±±..ꢁ2ꢀ
(3.2±±.2ꢀ (ꢁ.6±±.2ꢀ (±.6±±.ꢁꢀ (±.5±±.3ꢀ
h
Ni
Plating
.063 .012
(ꢁ.6±±.3ꢀ
.026 .012
(±.65±±.3ꢀ
Resistive
Film
Inner
10m ~ 30m
.197 .008 .098 .008 .026 .004 .026 .012
(5.±±±.2ꢀ (2.5±±.2ꢀ (±.65±±.ꢁꢀ (±.65±±.3ꢀ
D2H
D3A
Electrode
33m ~ 100m
Protective
Coating
Ceramic
Substrate
.079 .012
(2.±±±.3ꢀ
.031 .012
(±.8±±.3ꢀ
10m ~ 30m
.248 .008 .122 .008 .024 .004 .031 .012
(6.3±±.2ꢀ (3.ꢁ±±.2ꢀ (±.6±±.ꢁꢀ (±.8±±.3ꢀ
33m ~ 100m
ordering information
New Part #
UR73
2A
T
TD
R10
F
Termination
Material
Nominal
Type
Power Rating
Packaging
Tolerance
F: 1%
Resistance
UR73
UR73D
1E: 0.125W
1J: 0.2W
2A: 0.25W
2B: 0.5W
2H: 0.75W
3A: 1W
T: Sn
TP: 2mm pitch
punch paper
(1E)
TD: 7" punched
paper tape
(1J, 2A, 2B)
All values less than
0.1Ω (100mΩ) are
expressed in mΩ with
“L” as decimal.
Ex: 20mΩ = 20L0
TE: 7" embossed plastic
(2H, 3A)
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.
12/16/08
36
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
UR73
current sensing chip resistor
applications and ratings
Absolute
Maximum
Working
Voltage
Maximum
Overload
Resistance Range
T.C.R.
(ppm/°C%
Max.
Operating
Temperature
Range
Part
Designation
Power
Rating
F ( 1ꢀ% E-24,
25mΩ, 50mΩ
Voltage
(5 sec. max.%
100
500
100
200
300
250
100
250
30m - 100mΩ
24m - 27mΩ
47m - 100mΩ
30m - 43mΩ
10m - 27mΩ
10m - 30mΩ
47m - 100mΩ
33m - 43mΩ
UR73D1E
UR73D1J
1/8W (.125W)
1/5W (.2W)
UR73D2A
UR732A
UR73D2B
UR732B
1/4W (.25W)
1/4W (.25W)
1/2W (.5W)
-55°C
to
+125°C
P*R
√
P*R x 2.5
√
200
100
200
250
100
250
100
10m - 27mΩ
47m - 100mΩ
30m - 43mΩ
10m - 30mΩ
33m - 100mΩ
10m - 30mΩ
33m - 100mΩ
1/4W (.25W)
1/2W (.5W)*
UR73D2H
UR73D3A
3/4W (.75W)
1W (1W)
* Please contact factory for Power Rating
environmental applications
Derating Curve
Surface Temperature Rise
UR73D 1J, 2A, 2B, 2H,3A 10mΩ
UR73D 1E 24mΩ
UR73 2A/2B 33mΩ
100
100
100
3A (1)
80
2H (1)
75
75
3A (2)
2B (.5W) (1)
60
40
2H (2)
2B (1)
2B (.5W) (2)
2A (1)
2A (2)
2B (.25W) (1)
2B (2)
2A (1)
50
50
1J (1)
1E (1)
2A (2)
1J (2)
2B (.25W) (2)
20
0
25
25
0
1E (2)
-60 -40 -20
-55
0
20
40
60
80 100 120
125
140
0
70
0
25
50
75
100
0
25
50
75
100
Ambient Temperature
(°C)
% Rated Power
% Power Rating
1
1
2
2
Performance Characteristics
Requirement ∆ R
Limit Typical
Parameter
Resistance
Test Method
Within specified
tolerance
—
—
25°C
Within specified
T.C.R.
T.C.R.
+25°C/+55°C and +25°C/+125°C
Overload (Short time)
2%
1%
1%
2%
2%
1%
0.5%
0.3%
0.5%
1%
Rated power x 2.5 for 5 seconds
260°C 5°C, 10 1 second
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
40°C 2°C, 90%~95%RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
Endurance at 70°C
1%
70°C 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
+125°C, 1000 hours
High Temperature Exposure
0.3%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/08/09
37
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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