Datasheet > C300K20RE

C300K20RE

更新时间： 2024-11-25 18:43:27

品牌	Logo	应用领域
OHMITE		电阻器
页数	文件大小	规格书
2页	349K
描述
Fixed Resistor, Wire Wound, 300W, 20ohm, 10% +/-Tol, 400ppm/Cel, Chassis Mount, ROHS COMPLIANT

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中文翻译

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技术参数
数据手册
替代型号

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C300K20RE 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	Chassis Mount,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8533.29.00.00	风险等级：	2.24
Is Samacsys：	N	构造：	Vitreous Enamelled
JESD-609代码：	e1	安装特点：	CHASSIS MOUNT
端子数量：	2	最高工作温度：	400 °C
封装直径：	28.58 mm	封装长度：	215.9 mm
封装形状：	TUBULAR PACKAGE	封装形式：	Chassis Mount
额定功率耗散 (P)：	300 W	额定温度：	25 °C
电阻：	20 Ω	电阻器类型：	FIXED RESISTOR
系列：	280	子类别：	Fixed Resistors
表面贴装：	NO	技术：	WIRE WOUND
温度系数：	400 ppm/ °C	端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)
端子形状：	LUG	容差：	10%
Base Number Matches：	1

C300K20RE 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)

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115

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C300K20RE 替代型号

型号	品牌	替代类型	描述	数据表
C300K20R	OHMITE	类似代替	RES,VARIABLE,WIREWOUND,20 OHMS,10% +/-TOL,-400,400PPM TC

与C300K20RE相关器件

型号	品牌	获取价格	描述	数据表
C300K2R0	OHMITE	获取价格	RES CHAS MNT 2 OHM 10% 300W
C300K2R0E	OHMITE	获取价格	Fixed Resistor, Wire Wound, 300W, 2ohm, 10% +/-Tol, 400ppm/Cel, Chassis Mount, ROHS COMPLI
C300K2R5	OHMITE	获取价格	RES CHAS MNT 2.5 OHM 10% 300W
C300K2R5E	OHMITE	获取价格	RES CHAS MNT 2.5 OHM 10% 300W
C300K3R1	OHMITE	获取价格	Fixed Resistor, Wire Wound, 300W, 3.1ohm, 10% +/-Tol, -400,400ppm/Cel
C300K3R1E	OHMITE	获取价格	Fixed Resistor, Wire Wound, 300W, 3.1ohm, 10% +/-Tol, 400ppm/Cel, Chassis Mount, ROHS COMP
C300K4R0	OHMITE	获取价格	RES,VARIABLE,WIREWOUND,4 OHMS,10% +/-TOL,-400,400PPM TC
C300K4R0E	OHMITE	获取价格	RES CHAS MNT 4 OHM 10% 300W
C300K5R0	OHMITE	获取价格	RES CHAS MNT 5 OHM 10% 300W
C300K5R0E	OHMITE	获取价格	Fixed Resistor, Wire Wound, 300W, 5ohm, 10% +/-Tol, 400ppm/Cel, Chassis Mount, ROHS COMPLI

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