Datasheet > UPW50

UPW50

更新时间： 2024-12-01 06:02:11

品牌	Logo	应用领域
泰科 - TE		电阻器线绕电阻器
页数	文件大小	规格书
2页	371K
描述
Ultra Precision Wire-Wound Resistors

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Ultra Precision Wire-Wound Resistors

Type UPW Series

Characteristics -

Electrical

Type UPW Series

UPW15

UPW25

UPW30

UPW50

Rated Power @ 125°C (W)

Derate to zero at 145°C

0.125

0.25

0.3

0.5

Resistance Range (Ohms) Min

Max

R10

300K

R10

1M0

R10

1M0

R10

2M0

Tolerance (%)

0.005 0.01 0.02 0.05 0.1 0.2 0.5 1

Code Letter

Limiting Element Voltage (V)

Temperature Coefficient (ppm/°C) Typ.

Max.

Operating Temperature Range (°C)

Long Term Stability (Load)

150

300

150

400

3 (0°C to +85°C)

The resistive element is wire wound

5 (-55°C to +125°C) 1 available on request

-55 to +145

onto

moulded high temperature

plastic bobbin with a central former.

The direction of winding is reversed

part way through the winding, giving

very low values of inductance.

< 50 ppm @ 10,000 hrs

< 100ppm @ 26,000 hrs

< 0.2 µ V /°C

Thermal EMF

These Neohm resistors use bobbin

assemblies with flattened lead ends,

providing high resistance to pull,

vibration and torsional forces during

handling, assembly and life.

Dimensions

Style A

Style B

Key Features

ꢀ

Custom weld tabs and copper

weld leads ensure a good

mechanical and electrical

connection between the

element and the lead wires.

Protection is given to the

windings by means of a layer

of silicone RTV rubber. This

allows movement of the

windings during temperature

cycling due to loads and

to varying ambient

Type

Style

0.4

6.35

0.4

3.18

0.5

0.2

d nom

0.64

0.81

UPW15

UPW25

UPW30

UPW50

9.53

7.62

12.7

4.75

7.62

6.35

3.81

3.18

Derating Curve

temperatures. Outer protec-

tion is given by means of a

hot transfer moulded epoxy

compound which ensures an

airtight coating with no

trapped air.

100

1%, 0.5%, 0.2%, 0.1%

0.05%

0.02%

0.01%

ꢀ

Superior quality wire-wound

resistors with very low

selection tolerances and

temperature coefficients

down to 1 ppm. 3 case sizes

are available. T/C, ratio and

pair matching is available

and customer specifications

are welcome. These compo-

nents exhibit high stability

under load and severe

0.005%

100

120

140

160

Ambient Temperature (°C)

UPW Series resistors must be derated for tolerances below 0.1%. Use the graph to select tolerance versus operating

temperature to determine the percentage rated power for operation.

No derating is required for operation below 20 °C.

environmental conditions.

Mounting

The resistors are suitable for processing on automatic insertion equipment and cutting and bending machines.

Literature No. 1773299

Issued: 04-05

Dimensions are shown for

reference purposes only.

Dimensions are in millimetres Specifications subject to

unless otherwise specified.

www.tycoelectronics.com

passives.tycoelectronics.com

change.

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