Datasheet > NH25018R00FJ01

NH25018R00FJ01

更新时间： 2024-02-15 15:18:38

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
4页	180K
描述
RESISTOR, WIRE WOUND, 250 W, 1 %, 20 ppm, 18 ohm, CHASSIS MOUNT

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NH25018R00FJ01 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8533.29.00.00	风险等级：	5.75
其他特性：	NON INDUCTIVE	JESD-609代码：	e0
安装特点：	CHASSIS MOUNT	端子数量：	2
最高工作温度：	250 °C	最低工作温度：	-55 °C
封装形状：	RECTANGULAR PACKAGE	包装方法：	BULK
额定功率耗散 (P)：	250 W	额定温度：	25 °C
电阻：	18 Ω	电阻器类型：	FIXED RESISTOR
表面贴装：	NO	技术：	WIRE WOUND
温度系数：	20 ppm/ °C	端子面层：	Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier
端子形状：	BINDING POST	容差：	1%
Base Number Matches：	1

NH25018R00FJ01 数据手册

RH, NH

Wirewound Resistors, Military, MIL-PRF-18546 Qualified,

Type RE, Aluminum Housed, Chassis Mount

Vishay Dale

MATERIAL SPECIFICATIONS

SPECIAL MODIFICATIONS

Element: Copper-nickel alloy or nickel-chrome alloy,

depending on resistance value

A number of special modifications to the aluminum housed

resistor style are available upon request. Special

modifications include:

Core: Ceramic, steatite or alumina, depending on physical

size

• Terminal configurations and materials

• Resistance values and tolerances

• Low resistance temperature coefficient (RTC)

• Housing configuration

Encapsulant: Silicone molded construction

Housing: Aluminum with hard anodic coating

End Caps: Stainless steel

Standard Terminals: For RH-5 through RH-50 size terminal

finish - Tin/lead is 60/40 Sn/Pb w/Nickel underplate & Lead

(Pb)-free is Ni/Pd/Au, finish is on copper clad steel core

terminal. For RH-100 & RH-250 terminals are threaded

stainless steel.

• Threaded mounting holes

• Preconditioning and other additional testing

Note: Military (RE) parts are only available with tin/lead finish

APPLICABLE MIL SPECIFICATIONS

Part Marking: DALE, Model, Wattage, Value, Tolerance,

Date Code

MIL-PRF-18546 is the military specification covering

aluminum housed, chassis mount, power resistors. VISHAY

RH and NH resistors are listed as qualified on the

MIL-PRF-18546 QPL.

NH NON-INDUCTIVE

Models of equivalent physical and electrical specifications

are available with non-inductive (Aryton-Perry) winding.

They are identified by substituting the letter N for R in the

model number (NH-5, for example).

PERFORMANCE

TEST

CONDITIONS OF TEST

Rated power applied until thermally stable, then a minimum of 15 minutes at - 55 °C

TEST LIMITS

Thermal Shock

Short Time Overload

(0.5 % + 0.05 Ω) ΔR

5 × rated power for 5 seconds

1000 V_rmsfor RH-5, RH-10 and RH-25; 2000 V_rmsfor RH-50

4500 V_rmsfor RH-100 and RH-250; duration one minute

Dielectric Withstanding Voltage

(0.2 % + 0.05 Ω) ΔR

Temperature

250 °C for 2 hours

(0.5 % + 0.05 Ω) ΔR

(1.0 % + 0.05 Ω) ΔR

(0.2 % + 0.05 Ω) ΔR

(1.0 % + 0.05 Ω) ΔR

Moisture Resistance

Shock, Specified Pulse

Vibration, High Frequency

Load Life

MIL-STD-202 Method 106, 7b not applicable

MIL-STD-202 Method 213, 100 g's for 6 ms, 10 shocks

Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each

1000 hours at rated power, + 25 °C, 1.5 hours “ON”, 0.5 hours “OFF”

30 second, 5 pound pull test for RH-5 and RH-10, 10 pound pull test for other sizes,

torque test - 24 pound inch for RH-100 and 32 pound inch for RH-250

Terminal Strength

(0.2 % + 0.05 Ω) ΔR

Document Number: 30201

Revision: 11-Jul-07

For technical questions, contact: ww2bresistors@vishay.com

www.vishay.com

169

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