AVT-25 datasheet, PDF - EEWORLD Datasheet

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AVT-25: DescriptionADJUSTABLE WIREWOUND RESISTORS; File Size63KB，1 Pages; ManufacturerETC2

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AVT-25 Overview

ADJUSTABLE WIREWOUND RESISTORS

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H.E.I. Adjustable Resistors are constructed with

steatite ceramic cores and terminated with welded terminals and wound with

the finest alloy resistance wires welded to the terminals. Our special formula

of vitreous enamel (AVT) or silicone (AST) coatings are then used to insu-

late the resistors. A section of the windings are made bare for connecting to

a band terminal that implements the adjustment function. This construction

insures long life, durability, and reliability.

AVT

AST

ADJUSTABLE

WIREWOUND RESISTORS

12 WATTS THRU 225 WATTS

A wide variety of special resistor core sizes are available. Any

tapped, combination fixed and adjustable can be made to custom

specifications, including tolerance, brackets, and terminals.

TYPE

AVT-10

AVT-25

AVT-25A

AVT-25B

AVT-50

AVT-50A

AVT-50B

AVT-75

AVT-75A

AVT-100

AVT-130

AVT-160

AVT-200

WATT

100

130

175

225

TYP

+/-.032(0.8)

TYP

6-32

8-32

10-32

8-32

10-32

8-32

10-32

.31 (7.9)

.56 (14.2)

.75 (19)

.63 (16)

.56 (14.2)

.75 (19)

.56 (14.2)

.75 (19)

1.13 (28.7)

.19 (4.8)

.31 (7.9)

.50 (12.7)

.45 (11.4)

.31 (7.9)

.50 (12.7)

.55 (14)

.31 (7.9)

.50 (12.7)

.75 (19)

1.75 (44.5)

2.00 (50.8)

4.00 (102)

4.50 (114)

6.00 (152)

6.50 (165)

8.50 (216)

10.50 (267)

.19 (4.8)

.25 (6.4)

.31 (7.9)

.44 (11.2)

.56 (14.2)

.63 (16)

.10 (2.5)

.17 (4.3)

.20 (5.1)

.50 (12.7)

.69 (17.5)

.88 (22.4)

.10 (2.5)

.17 (4.3)

.94 (23.9)

1.69 (42.9)

2.31 (58.7)

1.69 (42.9)

2.31 (58.7)

1.69 (42.9)

2.31 (58.7)

2.81 (71.4)

2.19 (55.6)

2.75 (69.8)

2.88 (73.2)

2.63 (66.8)

4.75 (121)

4.88 (124)

5.38 (137)

6.75 (171)

6.88 (175)

7.38 (187)

9.38 (238)

11.38 (289)

AVT - VITREOUS

AST - SILICONE

inches (mm)

ORDER INFORMATION

RESISTANCE VALUE CHART

.10

.13

.15

.20

.25

.30

.33

.50

.75

1.0

1.5

2.0

3.0

4.0

5.0

7.5

100

120

125

150

180

125

150

180

200

220

225

250

270

300

330

350

390

400

470

500

560

600

680

700

750

800

820

900

1.0K

1.1K

1.2K

1.5K

1.8K

2.0K

2.2K

2.5K

2.7K

3.0K

3.5K

3.9K

4.0K

4.7K

5.0K

5.6K

6.0K

6.8K

7.5K

8.0K

8.2K

10.0K

12.5K

15.0K

20.0K

AVTK - 10 - 250 - QC - BKTS

POWER

TYPE

RESISTANCE ADD FOR

V=VITREOUS INCLUDE FOR

QUICK

S=SILICON TOLERANCE(K=±10%)

CONNECT

ADD FOR

STANDARD

BRACKETS

OPTIONAL FEATURES AVAILABLE

RESISTANCE TOLERANCE: Standard tolerance is

±10%.

Available Tolerances: F =

±1%,

J =

±5%,

K =

±10%

MOUNTING BRACKETS: Push-in friction grip mounting brackets are

available as shown above. When required, add “BKTS” to the part

number.

QUICK CONNECT TERMINALS: Resistors with a core O.D. of 9/16 or

3/4 inch can be supplied with Quick Connect Terminals except the

adjustable band. As “QC” to the part number as shown.

100

WATTAGE DERATING CHART

FOR HIGHER AMBIENT TEMPERATURES

% RATED LOAD

25 50

100

150

200

250

300

350

AMBIENT TEMP. CL

HUNTINGTON ELECTRIC, INC.

P.O. BOX 366

HUNTINGTON, IN 46750

(260) 356-0756

www.heiresistors.com

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