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  • 型号: F40J25RE
  • 制造商: Ohmite
  • 库位|库存: xxxx|xxxx
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F40J25RE产品简介:

ICGOO电子元器件商城为您提供F40J25RE由Ohmite设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 F40J25RE价格参考。OhmiteF40J25RE封装/规格:底座安装电阻器, 25 Ohms ±5% 40W Wirewound Chassis Mount Resistor。您可以下载F40J25RE参考资料、Datasheet数据手册功能说明书,资料中有F40J25RE 详细功能的应用电路图电压和使用方法及教程。

产品参数 图文手册 常见问题
参数 数值
产品目录

电阻器

描述

RES CHAS MNT 25 OHM 5% 40W线绕电阻器 - 底架安装 40watt 25ohm 5%

产品分类

底座安装电阻器

品牌

Ohmite

产品手册

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产品图片

rohs

符合RoHS无铅 / 符合限制有害物质指令(RoHS)规范要求

产品系列

线绕电阻器,线绕电阻器 - 底架安装,Ohmite F40J25REStackohm® 250

数据手册

点击此处下载产品Datasheet

产品型号

F40J25RE

产品

Power Resistors Wirewound Vitreous Enamel

产品目录绘图

产品目录页面

点击此处下载产品Datasheet

产品种类

线绕电阻器 - 底架安装

功率(W)

40W

功率额定值

40 W

包装

散装

商标

Ohmite

商标名

Stockohm

外壳宽度

25.4 mm

外壳直径

25.4 mm

外壳长度

50.8 mm

大小/尺寸

2.000" 长 x 1.000" 宽(50.80mm x 25.40mm)

安装特性

法兰支架,直角

容差

5 %

封装

Bulk

封装/外壳

径向,扁椭圆形

工作温度范围

+ 25 C to + 350 C

引线形式

焊片

成分

绕线

标准包装

1

涂层,外壳类型

搪瓷涂层

温度系数

260 PPM / C

特性

-

电压额定值

655 V

电阻

25 Ohms

电阻(Ω)

25

端接类型

Solder Lug

类型

Vitreous Enamel Power Resistors

系列

250

高度

0.563"(14.29mm)

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PDF Datasheet 数据手册内容提取

250 Series ‘Thin’ Stackohm® Vitreous Enamel Power When limited space is a consideration, choose FeatureS Ohmite’s “thin” stackable 250 Type resistors. These • Small size-to-power ratio. oval-shaped ceramic-core resistors feature a low • Stackable profile to permit installation in spaces with height restrictions. They are also equipped with integral • Integral mounting bracket conducts heat to mounting brackets so they can be fastened to a mounting surface. chassis and stacked in locations with limited surface • Low profile for use in equipment where space is area. limited. When properly fastened, the mounting brackets • All-welded construction. add a heat sinking benefit resulting in a smaller size per watt. Durable 250 Type resistors are fully welded • RoHS compliant product available. Add “E” suffix to and coated with lead free vitreous enamel. part number to specify. SerieS SPeciFicatiONS Series Wattage Ohms Max. Voltage* F10 10 1.0-15K 187 F20 20 1.0-50K 815 F30 30 1.0-10K 281 F40 40 1.0-25K 655 F55 55 1.0-30K 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 characteriSticS Coating Lead free vitreous enamel Core Ceramic Terminals Tinned lug with hole. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu Derating Linearly from 100% @ +25°C to 0% @ +350°C Tolerance ±5% (J) 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 Overload 10x rated wattage for 5 seconds if max. voltage is not exceeded Temperature 1 to 20Ω: ±400 ppm/°C coefficient Over 20Ω: ±260 ppm/°C Dielectric with- 500 VAC: 10 and 20 watt rating. 1000 VAC: 30, 40 and 55 watt rating (mea- standing voltage sured from lug to mounting bracket) Max. amps To calculate, use the formula √P/R 110 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

250 Series ‘Thin’ Stackohm® Vitreous Enamel Power dimeNSiONS (in. / mm) 0.125" 0.625" 3.175 mm 15.875 mm Series Wattage Length L Length A 0.031" Diam. 0.794 mm 0.063" m F10 10 0.750 / 19.050 1.000 / 25.400 0D.1ia2m5". 110.5W88 & m 2m0W 0.375"9.525 m 375"25 mm FF2300 2300 21..020500 // 5301..870500 22..301030 // 5580..785000 3.1705.1 m10m": L 0.9.5 FF4505 4505 23..050000 // 5808..890000 24..725500 // 1 0679..985500 2.776 mm A 0.125" * *Reference dimension only; varies according to resistance 3.175 mm value. 0.250" 0.375" Note: When resistors are stacked, use washers or spacers 6.350 mm 9.525 mm as required to insure clearance and improve power dissipa- tion. 0.188" 0.125" Diam. 4.763 mm m 3.175 mm 0.109" m 4.970D9.1 ima9m6m". 30W2,. 74706W m m& 55W 0.938"23.813 1.000"5.400 mm L 2 0.250" 6.350 mm A 0.250" * 6.350 mm 0.125" 3.175 mm 0.438" 11.113 mm mOuNtiNg In addition to the standard box bracket, stud type brackets Derating for stacked mounting are available for stacking the standard size resistors. Stud Stacked resistors should be derated to prevent excessive tem- type brackets are available in two heights: standard (SS, peratures due to proximity. Approximate ratings are given in 0.437”/11.113mm) and high (SSH, 0.531”/13.494mm). The the table. Percent of Single Unit Rating SSH stud is recommended when stacking the adjustable Type Miniature with 260, as it assures clearance for the adjustable lugs to pass No. of 0.094” (2.381 mm) eachother. Spacer washer No. 6027 (O.D. 0.219”/5.556mm, Resistors Std. or Inter. Miniature Spacer Washer I.D. 0.125”/3.175mm, thickness 0.094”/2.381mm) is recom- mended for use with the miniature adjustable and fixed resis- 2 70 70 75 tors to provide clearance, as explained above, or increased 3 60 60 69 wattage. See chart. 4 50 50 60 0.125" 0.625" 0.125" 0.188" 0.031" Diam. 3.175 mm 15.875 mm 0.094" Diam. 3.175 mm 0.125" Diam. 4.763 mm 0.794 mm 0.063" 2.381 mm 0.063" 3.175 mm 0.109" 1.588 mm 1.588 mm 2.776 mm B B B 0D.1ia2m5". W 0D.1ia9m6". 200.8.61338" mm 0D.1ia9m6". W 3.175 mm 4.979 mm 4.979 mm L L L 2.707.61 1m0m": A T Csiozree 4.7603.1 m88m" A T Csiozree 6.3500.2 m50m" A T Csiozree 0.125" 0.125" 0.250" 0.375" 3.175 mm 0.438" 3.175 mm 0.438" 6.350 mm 9.525 mm 11.113 mm 11.113 mm 0.188" 0.188" Brackets 4.763 mm 4.763 mm cemented 0.125" Diam. 0.125" Diam. in core 3.175 mm 0.109" 3.175 mm 0.109" 2.776 mm 2.776 mm B B Diam. 0.156" x0.313" 0.196" W 3.969 x 7.938 mm W 4.979 mm Slot L L 6.3500.2 m50m" A T Csiozree 4.7603.1 m88m" A T Csiozree 0.125" 3.175 mm 0.438" 0.531" 0.5" 11.113 mm13.494 mm 12.7 mm (SS) (SSH) (continued) 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 111

250 Series ‘Thin’ Stackohm® Vitreous Enamel Power cOre aNd termiNal SelectiON For Made to Order Type 250 Stackohm Resistors Code Free Air Max. for Wattage Core Dimensions† Min. Practical Core Fig. Standard Rating* Length L Width W Thickness T Ohms Ohms Dia. No. Dimension A Dimension B Terminal Miniature 10 0.750” (19.050mm) 0.375” (9.525mm) 0.125” (3.175mm) 1 15,000 TA 1 1.000” (25.400mm) 0.375” (9.525mm) 51 15 1.000” (25.400mm) 0.375” (9.525mm) 0.125” (3.175mm) 1 25,000 TA 1 1.250” (31.750mm) 0.375” (9.525mm) 51 20 2.000” (50.800mm) 0.375” (9.525mm) 0.125” (3.175mm) 1 50,000 TA 1 2.313” (58.750mm) 0.375” (9.525mm) 51 12 0.688” (17.463mm) 0.594” (15.081mm) 0.234” (5.953mm) 1 20,000 TB ** 51 Intermediate 21 1.000” (25.400mm) 0.813” (20.638mm) 0.250” (6.350mm) 1 8,000 TD 2 1.313” (33.350mm) 0.594” (15.081mm) 51 25 1.500” (38.100mm) 0.813” (20.638mm) 0.250” (6.350mm) 1 15,000 TD 2 1.813” (46.050mm) 0.594” (15.081mm) 51 Standard 5 1.750” (44.450mm) 30 1.250” (31.750mm) 1.000” (25.400mm) 0.250” (6.350mm) 1 10,000 TE 0.938” (23.813mm) 57 3, 4 2.000” (50.800mm) 5 2.500” (63.500mm) 40 2.000” (50.800mm) 1.000” (25.400mm) 0.250” (6.350mm) 1 25,000 TE 0.938” (23.813mm) 57 3, 4 2.750” (69.850mm) 5 4.000” (1.1.600mm) 55 3.500” (88 .900mm) 1.000” (25 .400mm) 0.250” (6 .350mm) 1 30,000 TE 3, 4 4.250” (107.950mm) 0.938” (23 .813mm) 57 70 4.750” (120.650mm) 1.000” (25.400mm) 0.250” (6.350mm) 1 120,000‡ TE 5 5.250” (133.350mm) 0.938” (23.813mm) 57 3, 4 5.500” (139.700mm) 95 6.000” (15 2.400mm) 1.000” (25 .400mm) 0.250” (6 .350mm) 1 150,000‡ TE 3, 54 66..570500”” ((116751.,140500mmmm)) 0.938” (23.813mm) 57 *Based on mounting on steeel panel 10” (254mm) x 10” x 0.040” (1.016mm). ‡These sizes are Ohmicone (silicone-ceramic) coated–type 450-460. †Inside dimensions of core are: 0.250” (6.350mm) x 0.047” (1.191mm) for TA; 0.406” **User supplies brackets. (10.319mm) x 0.047” (1.191mm) for TB; 0.438” (11.113mm) x 0.063” (1.588mm) for TD; 0.672” (17.069mm) x 0.063” (1.588mm) for TE. OrderiNg iNFOrmatiON Series RoHS Compliant Made-to-order Parts See web- Terminal Type Tolerance RoHS site for See “Resistor Terminals for Tubular Cores” J= 5% Compliant Coating Wattage Tolerance Ohms custom Blank=Vitreous F= 1% 1R0 = 1Ω core info C=Centohm H= 3% 250 = 250Ω S=Silicone J = 5% 1K0 = 1,000Ω K= 10% 25K = 25,000Ω Series Wattage & Mounting Brackets Ohms 25K5 = 25,500Ω Vitreous enamel: Core Code (user supplies bracket for core TB) Example: 25 = 250 Fixed See “Core and B= Stacking box 1R00 = 1Ω 26 = 260 Adjustable Terminal Selection” S= Stacking stud, std. height 250R = 250Ω Silicone ceramic: H= Stacking stud high 1K00 = 1,000Ω 45 = 450 Fixed U= Unit type 25K0 = 25,000Ω 46 = 460 Adjustable 25K5 = 25,500Ω Standard Values Wattage Wattage Wattage value Part No. – 10 – 20 – 30 – 40 – 55 value Part No. – 10 – 20 – 30 – 40 – 55 value Part No. – 10 – 20 – 30 – 40 – 55 mic Prefix  J–– J–– J–– J–– J–– mic Prefix  J–– J–– J–– J–– J–– mic Prefix  J–– J–– J–– J–– J–– Oh Suffix  F10 F20 F30 F40 F55 Oh Suffix  F10 F20 F30 F40 F55 Oh Suffix  F10 F20 F30 F40 F55 1 –––1R0E      50 –––50RE     1,500 –––1K5E      = Standard values; 1.5 –––1R5E    75 –––75RE   2,000 –––2K0E    check availability at 2 –––2R0E      100 –––100E      2,500 –––2K5E      3 –––3R0E    150 –––150E  3,000 –––3K0E     www.ohmite.com 4 –––4R0E   200 –––200E     4,000 –––4K0E   5 –––5R0E      250 –––250E     5,000 –––5K0E  7.5 –––7R5E    300 –––300E  6,000 –––6K0E 10 –––10RE     400 –––400E    7,500 –––7K5E  15 –––15RE    500 –––500E      10,000 –––10KE   20 –––20RE  750 –––750E   15,000 –––15KE  25 –––25RE      800 –––800E  20,000 –––20KE  30 –––30RE  1,000 –––1K0E      25,000 –––25KE  40 –––40RE  1,250 –––1K25E   40,000 –––40KE  112 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

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