首页电子市场保护器件保险丝厂家热销 超小型熔断保险丝电阻器 优质快熔断型保险丝电阻器

厂家热销 超小型熔断保险丝电阻器 优质快熔断型保险丝电阻器

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厂家热销 超小型熔断保险丝电阻器  优质快熔断型保险丝电阻器
  • 产品价格:面议
  • 所属行业:电子元器件 - 保护器件 - 保险丝
  • 关 键 词:厂家热销 超小型熔断保险丝电阻器 优质快熔断型保险丝电阻器,
  • 发布日期:2018/1/12 18:20:47
  • 联 系 人:闵小红
  • QQ咨询:
  • 所在地址:河南省 洛阳市
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产品属性
品牌产品所在地
型号可售数量1000000
生产厂家东莞市代禾电子有限公司最少订购量0
产品详情
厂家热销 超小型熔断保险丝电阻器  优质快熔断型保险丝电阻器-- 蜘蛛商务网
基本参数
加工定制:
种类: 熔断
性能: 通用
材料: 线绕
制作工艺: 被釉线绕
外形: 圆柱形
标称阻值: 0.01R-100R
允许偏差: ±5%
温度系数: 200PPM
额定功率: 1/4W-5W(W)
功率特性: 中功率
频率特性: 高频
产品性质: 热销
品牌: 代禾
型号: FKNR
详细说明

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1.Features产品特性

使用中若发生过载异常时发挥保险丝功能

符合安规UL-94V-O要求

Coating meets UL-94V-0

符合无铅/ROHS要求

Lead-free and ROHS compliant

Characteristics

Standard

Test Methods

1.

Resistance Temperature Coefficient

(PPM/)

±300PPM/

Natural resistance change per temperature degree centigrade.

(PPM/)

R1: Resistance value at reference temperature. (T1)

R2: Resistance value at reference temperature. (T2)

T1: Room Temperature

T2: T1±100

2.

Dielectric

Withstanding

Voltage

No evidence of flashover, mechanical damage or arcing or, insulation break down.

Resistors shall be subjected to an approximately sinusoidal test potential (as below) 60Hz applied between both terminals connected together and a 90° V-Block extending beyond the end of the resistor.

Resistor Wattage

DC Volts

1/2W(1WS)

1W,2W Above

350

600

3.

Solderability

90% Covered min.

The terminal lead shall be dipped into molten solder s at 3.2 to 4.8mm from the body of resistor.The temp. and time as below:

a. 260±5for 2±0.5 seconds

b. 350±10for 2±0.5seconds

4.

Resistance to Soldering

No evidence of mechanical damage

R/R±5%

The terminal of the resistor is dipped into the molten solder of 350±10for 3±0.5 seconds. Then put the resistor in the room temperature. For min.3 hours.

5.

Humidity Load Life

±5% Max./1000Hours

Resistance change after 1000 hours ( 1.5 hours on 0.5 hours off)at rated continuous working voltage in a humidity chamber controlled at 40±2and 90~95% relative humidity .

6.

Load Life

±5% Max./1000Hours

Permanent resistance change after 1000 hours operating at rated continuous working voltage with a duly cycle of 1.5 hours on 0.5 hours off at 70 ± 2ambient .

7.

Temperature Cycling

Δ R/R at±1% Max.No evidence of mechanical damage.

Resistance change after continuous five cycles for duty cycle as specified below.

Step

Temperature

Time

1

-30

30 Minutes

2

+25

10~15 Minutes

3

+85

30 Minutes

4

+25

10~15 Minutes

Characteristics

Standard

Test Methods

8.

Short Time Overload

ΔR/R at±2% Max. with no evidence of arcing burning, or charring

Permanent resistance change after the application of a potential of 2.5 times rated continuous working voltage for 5 seconds at room temperature.

9.

Terminal Strength

No evidence of mechanical damage or loosening terminals

Direct load resistance to 2.5kg direct load 30±5 seconds twist test, for axial leads unit only. Terminal lead shall be bent through at a right angle at a point of 6.35mm from the body edge of resistor and shall be rotated through at a right angle about the original axis of the bent terminal in alternating direction for a total 3 rotations.



东莞市代禾电子有限公司,位于广东东莞塘厦平山社区188工业区沿场路6号,主营:厂家热销 超小型熔断保险丝电阻器 优质快熔断型保险丝电阻器,,欢迎来电咨询。联系人:闵小红,手机:15976878116,电话:075533616521/18620362906,查看更多产品,可以访问我们店铺:http://9qoopo5.cn.zhizhu35.com

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