MKP1839347403G

更新时间： 2024-01-02 11:14:32

品牌	Logo	应用领域
威世 - VISHAY		电容器薄膜电容器
页数	文件大小	规格书
11页	97K
描述
CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 400 V, 0.047 uF, THROUGH HOLE MOUNT, AXIAL LEADED, ROHS COMPLIANT

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MKP1839347403G 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.68	Base Number Matches：	1

MKP1839347403G 数据手册

MKP 1839

AC and Pulse Metallized Polypropylene Film Capacitors

MKP Axial Type

Vishay Roederstein

POWER DISSIPATION AND MAXIMUM COMPONENT TEMPERATURE RISE

The power dissipation must be limited in order not to exceed the maximum allowed component temperature rise as a function of

the free air ambient temperature.

The power dissipation can be calculated according type detail specification “HQN-384-01/101: Technical Information Film

Capacitors with the typical tgd of the curves”.

The component temperature rise (ΔT) can be measured (see section “Measuring the component temperature” for more details)

or calculated by ΔT = P/G:

• ΔT = Component temperature rise (°C)

• P = Power dissipation of the component (mW)

• G = Heat conductivity of the component (mW/°C)

MEASURING THE COMPONENT TEMPERATURE

A thermocouple must be attached to the capacitor body as in:

Thermocouple

The temperature is measured in unloaded (T_amb) and maximum loaded condition (T_C).

The temperature rise is given by ΔT = T_C- T_amb

To avoid radiation or convection, the capacitor should be tested in a wind-free box.

APPLICATION NOTE AND LIMITING CONDITIONS

These capacitors are not suitable for mains applications as across-the-line capacitors without additional protection, as described

hereunder. These mains applications are strictly regulated in safety standards and therefore electromagnetic interference

suppression capacitors conforming the standards must be used.

To select the capacitor for a certain application, the following conditions must be checked:

1. The peak voltage (U_P) shall not be greater than the rated DC voltage (U_Rdc

)

2. The peak-to-peak voltage (U_P-P) shall not be greater than the maximum (U_P-P) to avoid the ionisation inception level

3. The voltage peak slope (dU/dt) shall not exceed the rated voltage pulse slope in an RC-circuit at rated voltage and without

ringing. If the pulse voltage is lower than the rated DC voltage, the rated voltage pulse slope may be multiplied by U_Rdcand

divided by the applied voltage.

For all other pulses following equation must be fulfilled:

-------

⎛

⎝

⎞

⎠

⎛

⎝

⎞

⎠

2 ×

²× dt < U_Rdc

∫

rated

T is the pulse duration.

4. The maximum component surface temperature rise must be lower than the limits (see graph max. allowed component

temperature rise).

5. Since in circuits used at voltages over 280 V peak-to-peak the risk for an intrinsically active flammability after a capacitor

breakdown (short circuit) increases, it is recommended that the power to the component is limited to 100 times the values

mentioned in the table: “Heat conductivity”

6. When using these capacitors as across-the-line capacitor in the input filter for mains applications or as series connected with

an impedance to the mains the applicant must guarantee that the following conditions are fulfilled in any case (spikes and

surge voltages from the mains included).

www.vishay.com

254

For technical questions, contact: dc-film@vishay.com

Document Number: 26022

Revision: 16-Jan-09

1...4 5 678 9 10 11

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与MKP1839347403G相关器件

型号	品牌	描述	获取价格	数据表
MKP1839-347-403-G	VISHAY	CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 400 V, 0.047 uF, THROUGH HOLE MOUNT, AXIAL LEAD	获取价格
MKP1839347403R	VISHAY	CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 400 V, 0.047 uF, THROUGH HOLE MOUNT, AXIAL LEAD	获取价格
MKP1839347404	VISHAY	CAP FILM 0.047UF 5% 400VDC AXIAL	获取价格
MKP1839-347-404	VISHAY	CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 400 V, 0.047 uF, THROUGH HOLE MOUNT, AXIAL LEAD	获取价格
MKP1839347404R	VISHAY	CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 400 V, 0.047 uF, THROUGH HOLE MOUNT, AXIAL LEAD	获取价格
MKP1839347405	VISHAY	CAP FILM 0.047UF 400VDC AXIAL	获取价格

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