Datasheet > UR73D3ATTE39L0F

UR73D3ATTE39L0F

更新时间： 2025-09-22 19:06:51

品牌	Logo	应用领域
大兴电工 - KOA		/
页数	文件大小	规格书
2页	310K
描述
电阻阻值(Ω):39 mOhms;元器件封装:2512;电阻精度(%):±1%;温度系数(ppm/℃):±100ppm/°C;工作温度最小值(℃):-55°C;工作温度最大值(℃):125°C;

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UR73D3ATTE39L0F 数据手册

UR73

current sensing chip resistor

features

• Very low resistance, high precision reliability

• Utilization of thick film

• Low T.C.R. achieved (±100 ppm/°C)

• Products with lead-free terminations meet EU RoHS

requirements. EU RoHS regulation is not intended for

Pb-glass contained in electrode, resistor element and glass.

dimensions and construction

UR73

Dimensions inches (mm)

Size

Code

Resistance

Range (Ω)

.039 ^+.004.020 ^+.004

D1E

(0402)

-.002

+0.1

-.002

.016±.002 .010±.004 .012±.004

24m ~ 100m

+0.1

(0.4 0.05) (0.25 0.1) (0.3 0.1)

)

-0.05

(1.0

)

(0.5

-0.05

Plating

.022±.004

.031 ^+.005

Protective

Coating

Resistive Inner

Film Electrode

10m ~ 27m

D1J

-.004

(0.55 0.1)

.063±.008

.02±.004 .014±.004

Ceramic

Substrate

(0.8 ^+0.15

)

(0603)

30m ~ 100m

(1.6 0.2)

(0.5 0.1) (0.35 0.1)

.014±.004

(0.35 0.1)

-0.1

UR73D

.024±.008

(0.6 0.2)

.02±.008

(0.5 0.2)

10m ~ 16m

18m ~ 30m

D2A

(0805)

.079±.008 .049±.008 .022±.004 .016±.008

(2.0 0.2) (1.25 0.2) (0.55 0.1) (0.4 0.2)

.012 ^+.008

Plating

(0805)

-.004

.079±.008 .049±.008 .02±.004 .016±.008

(2.0 0.2) (1.25 0.2) (0.55 0.1) (0.4 0.2)

33m ~ 100m

(0.3 ^+0.2

)

Plating

-0.1

Resistive

Film

Inner

Electrode

.039±.008

Protective

Coating

Ceramic

Substrate

(1.0 0.2)

10m ~ 16m

18m ~ 27m

D2B

(1206)

.126±.008 .063±.008 .024±.004 .020±.008

(3.2 0.2) (1.6 0.2) (0.6 0.1) (0.5 0.2)

.031±.008

(0.8 0.2)

Derating Curve

.016 ^+.008

100

D1J/0.25W (80°C)

-.004

.126±.008 .063±.008 .024±.004 .020±.012

2B/0.5W, D2B/0.5W (85°C)

D2A/0.33W, D2H/0.75W (90°C)

D3A/1W (95°C)

30m ~ 100m

(0.4 ^+0.2

)

(1206)

(3.2 0.2) (1.6 0.2) (0.6 0.1) (0.5 0.3)

-0.1

2A/0.33W (100°C)

.063±.012

(1.6 0.3)

.026±.012

(0.65 0.3)

10m ~ 30m

D2H

(2010)

.197±.008 .098±.008 .026±.004 .026±.012

(5.0 0.2) (2.5 0.2) (0.65 0.1) (0.65 0.3)

33m ~ 100m

-60 -40 -20

-55

80 100 120

125

140

-60 -40 -20

20 40 60 80

100120 140

125

.079±.012

(2.0 0.3)

.031±.012

(0.8 0.3)

-55

859095

10m ~ 30m

D3A

(2512)

Ambient Temperature

Terminal Part Temperature

.248±.008 .122±.008 .024±.004 .031±.012

(6.3 0.2) (3.1 0.2) (0.6 0.1) (0.8 0.3)

(°C)

33m ~ 100m

For resistors operated at a terminal

part temperature of described for each

size or above, a power rating shall be derated in accordance with the derating curve.

For resistors operated at an ambient

temperature of 70°C or above, a power

rating shall be derated in accordance

with the above derating curve.

Please refer to “Introduction of the derating curve based on the terminal part temperature”

in the beginning of our catalog prior use.

ordering information

UR73

R100

Power

Rating

Termination

Material

Nominal

Resistance

Type

Packaging

Tolerance

UR73

UR73D

1E: 0.125W

1J: 0.25W

2A: 0.33W

2B: 0.5W

2H: 0.75W

3A: 1W

T: Sn

TP: 2mm pitch

punch paper

(1E)

TD: 7" punched

paper tape

“R” indicates decimal on

values = 100mΩ

Ex: R100 = 100mΩ

F: ±1%

“L” indicates decimal on

values <100mΩ

Ex: 10L0 = 10mΩ

(1J, 2A, 2B)

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.

10/26/20

126

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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