Datasheet > 20/45MFR0500GE

20/45MFR0500GE

更新时间： 2024-11-30 05:11:35

品牌	Logo	应用领域
OHMITE		/
页数	文件大小	规格书
1页	125K
描述
Fixed Resistor, Wire Wound, 20W, 0.05ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount, ROHS COMPLIANT

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20/45MFR0500GE 数据手册

F E A T U R E S

• Flameproof and inorganic

• Higher power rating due to heat

sink capacity

• All welded construction

• Nonhygroscopic

Metalohm Series

Wirewound Resistors

term. style 277

0.250"

term. style 276 (sq. collar, G3923)

278 (oval collar, G3860)

• High surge construction

term. style 279

2³/16" max.

S P E C I F I C A T I O N S

Electrical

Wattage: Based on a 275°C “U”

characteristic derating curve

Temperature coefficient:

≥18 ohm: 0 ±90ppm/°C

8 < 18 ohm: 0 ±50ppm/°C

<8 ohm: 0 ±180ppm/°C

(TC for some watt/ohm combina-

tions may be lower)

Dielectric strength: Terminal to

case, depends on terminal style

(1500V min.)

Creepage: term. style 277: 1.2”

term. styles 278/276: 0.4”/0.7”

term. styles 211/252/279: 0.15”

Termination Wires

ø0.068"

1.5" max.

1.5" ma

±0.005

term. style 252

ø0.195"

⁵/16"

term. style 211

0.5" D

0.75"

ø0.089"

ø0.171"

1" max.

1.25" max.

term. style 297

term. style 298

0.437" dia.

wire

1.25" max.

• Stranded, available in any insu-

lation rated 125°C or higher

(may require term. style 297).

• Custom cut/stripped lengths

• Can be potted or pre-soldered to

terminal styles 211 or 252

• Quick connect (fully or partially

insulated), ring or spade termina-

tions available

Watts

Dimensions (inches)

Style

w/o heat sink w/ heat sink* A

Ohmic range**

20/45M

1⁷/16

1⁷/8

³/4

0.05-6K

40/70M

HV40-70M

50/100M

60/115M

2⁹/16

3¹¹/16

5⁹/16

3⁷/16

4⁹/16

6⁷/16

³/4

⁷/8

³/4

1.0-25K

1.5-47.5K

2.5-81K

100

115

4¹/8

*Based on a 12”x12”x¹/8” aluminum heat sink, using a thermal compound, in a 25°C ambient

Dielectric Sleeves

• Steatite construction

**Standard winding ranges only listed, other values available; contact factory.

• Style 276 meets UL/NEMA

2500V RMS for one minute

requirement

• Available as terminal styles 276,

277, 278, 297

D I E L E C T R I C S T R E N G T H

O P T I O N S

• Noninductive versions (Aryton-

Perry windings)

• Terminal sleeves to increase

dielectric strength and maximize

creepage distance

• Variety of terminal choices

• Potted or soldered wire leads

including quick connect, ring,

spade terminals

Terminal Type 211 252, 279

276

278

277

297

298

Style

Dielectric Strength

20/45M

40/70M

HV40/70M

50/100M

60/115M

1500

N/A

1500

N/A

1500

N/A

1500

N/A

2500

N/A

2500

N/A

2500

N/A

2500

N/A 2500V 2500V

4250

N/A 2500V 2500V

N/A

O R D E R I N G I N F O R M AT I O N

• Tapped models

RoHS Compliant

� ꢀ ꢁ ꢂ ꢀ ꢃ ꢄ ꢅ ꢆ ꢀ ꢇ ꢈ ꢉ ꢊ ꢋ

Style

Non-inductive Tolerance Ohms

Terminal Type

A = 211 E = 277

(optional) K = 10%

J = 5%

1R000 = 1.000

10R5K = 10,500 B = 252 F = 278

C = 279 G = 297

H = 3%

G= 2%

D = 276 H = 298

F = 1%

Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

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与20/45MFR0500GE相关器件

型号	品牌	获取价格	描述	数据表
20/45M-FR0500-HE	OHMITE	获取价格	RESISTOR, WIRE WOUND, 20 W, 1 %, 180 ppm, 0.05 ohm, CHASSIS MOUNT, ROHS COMPLIANT
20/45M-FR0536-297	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0536ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0536-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0536ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0619-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0619ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0634-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0634ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0665-297	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0665ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0665-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0665ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0698-297	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0698ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0698-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.0698ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount
20/45M-FR0750-298	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 0.075ohm, 1% +/-Tol, 180ppm/Cel, Chassis Mount

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