Datasheet > F20J40K

F20J40K

更新时间： 2024-11-09 19:20:27

品牌	Logo	应用领域
OHMITE		/
页数	文件大小	规格书
3页	278K
描述
RES CHAS MNT 40K OHM 5% 20W

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中文翻译

获取价格

技术参数
数据手册

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F20J40K 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.76	Base Number Matches：	1

F20J40K 数据手册

250 Series

‘Thin’ Stackohm®

Vitreous Enamel Power

F ꢁ at u ꢀ ꢁ S

Whenꢀlimitedꢀspaceꢀisꢀaꢀconsideration,ꢀchooseꢀ

Ohmite’sꢀ“thin”ꢀstackableꢀ250ꢀTypeꢀresistors.ꢀTheseꢀ

oval-shapedꢀceramic-coreꢀresistorsꢀfeatureꢀaꢀlowꢀ

profileꢀtoꢀpermitꢀinstallationꢀinꢀspacesꢀwithꢀheightꢀ

restrictions.ꢀTheyꢀareꢀalsoꢀequippedꢀwithꢀintegralꢀ

mountingꢀbracketsꢀsoꢀtheyꢀcanꢀbeꢀfastenedꢀtoꢀaꢀ

chassisꢀandꢀstackedꢀinꢀlocationsꢀwithꢀlimitedꢀsurfaceꢀ

area.

Whenꢀproperlyꢀfastened,ꢀtheꢀmountingꢀbracketsꢀ

addꢀaꢀheatꢀsinkingꢀbenefitꢀresultingꢀinꢀaꢀsmallerꢀsizeꢀ

perꢀwatt.ꢀDurableꢀ250ꢀTypeꢀresistorsꢀareꢀfullyꢀweldedꢀ

andꢀcoatedꢀwithꢀleadꢀfreeꢀvitreousꢀenamel.

•ꢀSmallꢀsize-to-powerꢀratio.

•ꢀStackable

•ꢀIntegralꢀ mountingꢀ bracketꢀ conductsꢀ heatꢀtoꢀ

mountingꢀsurface.

•ꢀLowꢀprofileꢀforꢀuseꢀinꢀequipmentꢀwhereꢀspaceꢀisꢀ

limited.

•ꢀAll-weldedꢀconstruction.

•ꢀRoHSꢀcompliantꢀproductꢀavailable.ꢀAddꢀ“E”ꢀsuffixꢀtoꢀ

partꢀnumberꢀtoꢀspecify.

SꢁꢀꢂꢁS SPꢁcꢂFꢂcatꢂONS

Series

Wattage

Ohms

1.0-15K

1.0-50K

1.0-10K

1.0-25K

1.0-30K

Max. Voltage*

187

F10

F20

F30

F40

F55

815

281

655

1405

Adjustable versions and other sizes available; Consult Ohmite Also available

in low cost Centohm or Silicone coating; Consult Ohmite.

* Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis-

tance value of specified product

chaꢀactꢁꢀꢂStꢂcS

Lead free vitreous enamel

Coating

Core

Ceramic

Tinned lug with hole. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu

Linearly from 100% @ +25°C to 0% @ +350°C

±5% (J)

Terminals

Derating

Tolerance

Power rating

Based on mounting a single resistor on a metal surface measuring 10”

(254mm) square by 0.04” (1.016mm) thick. Reduce rating by 15% when

mounting on non-metallic surface

10x rated wattage for 5 seconds if max. voltage is not exceeded

1 to 20Ω: ±400 ppm/°C

Over 20Ω: ±260 ppm/°C

Overload

Temperature

coefficient

500 VAC: 10 and 20 watt rating. 1000 VAC: 30, 40 and 55 watt rating (mea-

Dielectric with-

sured from lug to mounting bracket)

standing voltage

To calculate, use the formula √P/R

Max. amps

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

110

12 3

中文翻译

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与F20J40K相关器件

型号	品牌	获取价格	描述	数据表
F20J40KE	OHMITE	获取价格	RES CHAS MNT 40K OHM 5% 20W
F20J40R	OHMITE	获取价格	RES CHAS MNT 40 OHM 5% 20W
F20J40RE	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 40ohm, 815V, 5% +/-Tol, 260ppm/Cel, Chassis Mount, ROHS C
F20J4K0	OHMITE	获取价格	RES CHAS MNT 4K OHM 5% 20W
F20J4K0E	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 4000ohm, 815V, 5% +/-Tol, 260ppm/Cel, Chassis Mount, ROHS
F20J500	OHMITE	获取价格	RES CHAS MNT 500 OHM 5% 20W
F20J500E	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 500ohm, 815V, 5% +/-Tol, 260ppm/Cel, Chassis Mount, ROHS
F20J50K	OHMITE	获取价格	RES CHAS MNT 50K OHM 5% 20W
F20J50KE	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 50000ohm, 815V, 5% +/-Tol, 260ppm/Cel, Chassis Mount, ROH
F20J50RE	OHMITE	获取价格	Fixed Resistor, Wire Wound, 20W, 50ohm, 815V, 5% +/-Tol, 260ppm/Cel, Chassis Mount, ROHS C

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