Datasheet > B25668-A6836-A375

B25668-A6836-A375

更新时间： 2024-02-06 12:34:40

品牌	Logo	应用领域
爱普科斯 - EPCOS		电容器
页数	文件大小	规格书
8页	373K
描述
CAPACITOR, METALLIZED FILM, POLYPROPYLENE, 3.28 uF, STUD MOUNT, CAN

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B25668-A6836-A375 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
其他特性：	RATED AC VOLTAGE (V): 690	电容：	3.28 µF
电容器类型：	FILM CAPACITOR	介电材料：	POLYPROPYLENE
安装特点：	STUD MOUNT	负容差：	5%
最高工作温度：	55 °C	最低工作温度：	-40 °C
封装形状：	CYLINDRICAL PACKAGE	正容差：	10%
参考标准：	IEC60831-1	表面贴装：	NO
端子形状：	LUG	Base Number Matches：	1

B25668-A6836-A375 数据手册

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Film capacitors – Capacitors for Power Factor Correction

WindCap capacitors

B25668A6836A375

MKK690-D-12.5-11

Service life expectancy

Electrical components do not have an unlimited service life expectancy; this applies to self-healing

capacitors too. The maximum service life expectancy may vary depending on the application the

capacitor is used in.

Safety

Electrical or mechanical misapplication of capacitors may be hazardous. Personal injury or property

damage may result from bursting of the capacitor or from expulsion of oil or melted material due to

mechanical disruption of the capacitor.

Ensure good, effective grounding for capacitor enclosures.

Provide means of disconnecting and insulating a faulty component/bank.

The terminals of capacitors, connected bus bars and cables as well as other devices may also be

energized.

Follow good engineering practice.

Thermal load/over-temperature

After installation of the capacitor it is necessary to verify that maximum hot-spot temperature is not

exceeded at extreme service conditions.

Overpressure Disconnector

To ensure full functionality of an overpressure disconnector, the following must be observed:

1. The elastic elements must not be hindered, i.e.

- connecting lines must be flexible leads (cables),

- there must be sufficient space (min. 12 mm) for expansion above the connections. This will

enable a longitudinal extension of the can to secure the overpressure disconnector work.

- folding beads must not be retained by clamps.

2. Maximum allowed fault current of 10000 A in accordance with UL 810 standard must be assured by

the application.

3. Stress parameters of the capacitor must be within the IEC60831 specification.

Overcurrent and short circuit protection

Use HRC fuses or MCCBs for short circuit protection. Short circuit protection and connecting

cables should be selected so that 1.5 times the rated capacitor current can be permanently

handled.

HRC fuses do not protect a capacitor against overload

- they are only for short circuit protection.

The HRC fuse rating should be 1.6 to 1.8 times rated capacitor current.

Do not use HRC fuses to switch capacitors (risk of arcing).

Use thermal magnetic over current relays for overload protection.

FK PFC R&D

July 2007

Page 5 of 8

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