Datasheet > 1974BE

1974BE

更新时间： 2024-11-09 22:59:19

品牌	Logo	应用领域
OHMITE		/
页数	文件大小	规格书
2页	345K
描述
ADJUSTABLE LUG D67241

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数据手册

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1974BE 数据手册

280 Series

Corrib^®Fixed and Adjustable

Vitreous Enamel Power

Corrib^®resistors are ideal for applications involving

high currents at very low resistance values—as low

as 0.1Ω for the 300 Watt unit. These large, heavy-

duty resistors are designed to withstand frequent

start-stop cycles characteristic of motor starting,

dynamic braking and other similar applications.

Special order units are available to accommodate up

to 1500 watts.

F ꢀ at u R ꢀ S

•ꢀAlsoꢀavailableꢀinꢀCentohmꢀorꢀSiliconeꢀcoating.ꢀ

Consult Ohmite.

•ꢀRibbedꢀconstructionꢀaidsꢀinꢀrapidꢀcooling.

•ꢀDesignedꢀforꢀequipmentꢀrequiringꢀlowꢀresistanceꢀ

loads at low ohmic values and high current capac-

ity.

•ꢀEspeciallyꢀconstructedꢀforꢀmotorꢀstarting,ꢀdynamicꢀ

braking, etc.

Corribs^®are manufactured with corrugated resis-

tive wire. To accelerate cooling, the wire is securely

fused to the ceramic core by the protective vitreous

enamel coating to improve durability. Corrib resis-

tors are hollow-core units which can be securely

fastened to chassis surfaces with thru bolts and

brackets.

•ꢀRoHSꢀcompliantꢀproductꢀavailable.ꢀAddꢀ“E”ꢀsuffixꢀtoꢀ

part number to specify.

chaRactꢀRꢁStꢁcS

RꢀSꢁStoR haRdwaRꢀ

Thru Bolts Mounting Brackets for

300 Watt Corrib

Lugs for 300 Watt

Adjustable Corrib

Lead free vitreous enamel except for extreme

low resistance 35 watt models, and very large

models (750 watts and up), which are supplied

in Silicone Ceramic

Coating

Includes two each bracket, bolt,

washers (centering, mica, lock) and

nut. Note: Single unit mounting

contains one each bolt and nut; two

Part No.

Res. Part No. Res.

1974-A 0.40

¹/16 wire 0.50

0.63

1974-B 0.10

¹/8 wire 0.12

0.16

Tubular Ceramic

Core

1.00

0.20

Tinned lug with hole. RoHS solder composition

is 96% Sn, 3.5% Ag, 0.5% Cu

Terminals

1.50

0.25

each all washers.

1.60

0.31

Moun.

Derat.

2.00

0.80

Part No.

Slotted Elongated

No. of

Resistors

2.50

1.20

Supplied with adjustable 300 watt models. Part

No. 1974-A or 1974-B

Adjustable Lug

3.10

6110-81/2 6126-P-81/2

100%

83%

80%

4.00

5.00

6127-P-81/2

6128-P-81/2

6129-P-81/2

6.30

Max. 63Ω for 300W version

±10% (K)

Resistance

Tolerance

Power rating

Derating

8.00

10.00

12.00

16.00

20.00

25.00

30.00

48.00

50.00

Based on 25°C free air rating

Linearly from 100% @ +25°C to 0% @ +400°C

10 times rated wattage for 5 seconds

±400 ppm/°C

Overload

Temperature

coefficient

1000 VAC measured from terminal to mounting

bracket

Dielectric with-

standing voltage

use the formula √P/R

To calculate

max. amps

(continued)

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

115

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