PC5H SMD high voltage diode 5KV,200mA,75nS

Products Main features：
1、SMD connection.
2、High thermal conductivity epoxy compound molding.
3、Fast recovery time for high efficiency.
4、J-Lead(Inner Bend) shapes.
5、Ultra small size package
6、Fast recovery PC Series are the same package size.

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Desciption
SMD HVdiode
Discharge problem

PC5H SMD high voltage diode Data Sheet
Parameter	Symbol	Unit	Test Conditions	Value
Repetitive Peak Backward Voltage	Vrrm	KV	Ta=25℃ Ir=1.0μA	5
Peak Working Backward Voltage	Vrwm	KV	Ta=25℃ Ir=1.0μA	5
Average Forward Current	If(AV)	mA	50Hz Half-sine Wave , Resistance load @Tbreak=50℃	200
Backward Recovery Time	Trr	nS		75
Surge Forward Current	Ifsm	A	0.01S @ Half-Sine wave 50Hz	10
Operating Ambient Temperature	Ta	℃		-55～+175
Storage Temperature	Tstg	℃		-55～+150
Forward Peak Voltage	Vfm	V		≥4.2
Backward Peak Current	Irrm1	μA	@ Ta=25℃ VRM=VRRM	1.0
Backward Peak Current	Irrm2	μA	@ Ta=100℃ VRM=VRRM	20.0
Absolute Maximum Ratings & Electrical Characteristics

PC series SMD high voltage diodes, due to the design of inner bend angle.

During use, according to the actual working voltage level, it is necessary to pay attention to the insulation distance of the medium.

If it is used completely exposed to the air, it is recommended to fill the two poles with insulating materials, or immerse in three-proof paint, which will achieve more reliable insulation.

Of course, this will also affect the heat dissipation performance of the SMD high voltage diode.

Therefore, according to the temperature rise, there are different solutions for selecting insulating glue with suitable insulation and thermal conductivity.

Of course, this solution is not necessary, you just need to consider this aspect in your design plan.
In most cases, the working medium of insulating oil and insulating gas does not need to consider this kind of solution.

The selection of high-voltage diodes is closely related to their usage environment。

1. Used in insulating oil. (Recommended)
2. Used in insulating gases. (Recommended)
3. Secondary packaging use. (High requirements for heat dissipation and other parameter performance of components)
4. Use in exposed air or add air cooling. (If the size of the high-voltage diode is small, it is easy to discharge, and the heat dissipation performance is average.)

For high-voltage diodes used in exposed air, it is recommended to install them with insulated electrodes at both ends.

Common treatment methods for surface adhesive insulation:

Characteristics of insulation adhesive material:

1. Silicone material usually presents a transparent and elastic rubber state after curing, which is more effective in shock resistance and can also withstand severe stress changes caused by large high and low temperature changes (-40 ° C~200 ° C).

2. Acrylic materials typically exhibit a transparent and hard coating after curing, with low moisture absorption and fast curing time, as well as excellent wear resistance and insulation.

3. After curing, Urethane material usually presents a transparent and hard coating, which has superior wear resistance and good moisture resistance. Its performance is particularly stable in low temperature environments, but it is less resistant to high temperatures.

4. The coating material based on epoxy is very sturdy and usually opaque, with good moisture and moisture resistance. Its resistance to chemical corrosion and wear is also very good. In addition, epoxy also has good dielectric properties.

Here, suitable insulation adhesive materials can be selected based on the different usage situations of engineers.

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