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參數(shù)資料
| 型號： | PLBH06F300AI |
| 廠商： | POSITRONIC INDUSTRIES INC |
| 元件分類： | 電源輸入模塊 |
| 英文描述： | 6 CONTACT(S), FEMALE, POWER CONNECTOR, SOLDER |
| 文件頁數(shù)： | 65/65頁 |
| 文件大?。?/td> | 1993K |
| 代理商： | PLBH06F300AI |
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Power
Connection
Systems
Power
Connection
Systems
DEMYSTIFYING CURRENT RATINGS
Connector current ratings seem to be shrouded in mystery at times. The user wonders how a listed current rating
is relevant to a particular application. Perhaps more mysterious is how similar connectors from various manufacturers
list different current rating values. While it is true that material choices and design can enhance a connector’s current
rating, the test method by which the rating was developed must be understood when evaluations are made.
Users of connectors for power applications are entitled to current rating test details in order to make an informed
choice. Ideally, a connector’s current rating should be developed within the application for which it is being consid-
ered. Although ideal, this approach is not always practical given the many differing applications. In order for connec-
tor manufacturers to give potential product users an idea of what can be expected, connectors are given current rat-
ings based on a specific test method.
A wide variety of test methods are employed in order to develop current ratings for connectors. Some of these
methods come from standards that are recognized industry–wide, while others are unique to the manufacturer or user.
These various test methods can produce different results for the same product. It is no wonder confusion sometimes
results.
There are key factors that, when understood, can help in choosing the right power connector. All test methods used
to rate current have similarities; however, there are variables in applying the test methods which explain differing
results.
Current ratings are usually established by first developing a temperature rise curve. This curve plots temperature
rise against increasing current levels. The curve is a reliable tool in understanding heat generation of the connector
at various currents. When a defined failure is reached, the test ends. The highest current level achieved is usually
listed as the current rating.
The temperature rise curve, and therefore the current rating, will change when certain key factors are varied.
These are:
Where is the temperature sensing probe placed? If placed on the contact in the mating
area (the hottest spot), the results will be quite different than if placed on the outside of the
connector body.
Are the contacts being tested and rated in free air or are they contained within the
connector housing? Contacts will obviously be cooler in free air.
Are all of the contacts in the connector under load? If only part of the contacts
are under load, the temperature rise could be less.
What is the defined failure? Does the test end when the temperature rise reaches 30°C, 40°C,
or some other number? Does it end when the temperature rise plus ambient temperature
equal the operating limit of the connector housing? The current rating will be fixed by the
defined failure point.
How were the test samples prepared? Were the samples energized through a P.C. board?
How many layers? How large were the traces? What was the weight of the copper? Were
the samples energized through wire? What size was the wire? How long was the wire? Was
the sample tested in static or forced air conditions? All of these factors can affect cooling
characteristics.
Clearly, a current rating value alone is not enough, and must be viewed in the context of the test used to develop
the rating. When the test method is understood, evaluating and comparing power connectors for specific applications
becomes much less of a mystery.
DEMYSTIFYING CURRENT
RATINGS
PCS
SERIES
相關(guān)PDF資料 |
PDF描述 |
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| PLBH08M4200A1 | 8 CONTACT(S), MALE, POWER CONNECTOR, SOLDER |
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| PLBH12M4200A1 | 12 CONTACT(S), MALE, POWER CONNECTOR, SOLDER |
| PLCH12M4200A1 | 12 CONTACT(S), MALE, POWER CONNECTOR, SOLDER |
| PLBH16F4200A1 | 16 CONTACT(S), FEMALE, POWER CONNECTOR, SOLDER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PLBR00250 | 功能描述:BEND RELIEF 2.5MM BLACK 制造商:itt cannon, llc 系列:PL 零件狀態(tài):在售 配件類型:應(yīng)力消除 配套使用產(chǎn)品/相關(guān)產(chǎn)品:PL 連接器，帶應(yīng)力消除螺母 外殼尺寸 - 插件:- 材料:硅 特性:- 顏色:黑色 標準包裝:25 |
| PLBR00300 | 功能描述:BEND RELIEF 3.0MM BLACK 制造商:itt cannon, llc 系列:PL 零件狀態(tài):在售 配件類型:應(yīng)力消除 配套使用產(chǎn)品/相關(guān)產(chǎn)品:PL 連接器，帶應(yīng)力消除螺母 外殼尺寸 - 插件:- 材料:硅 特性:- 顏色:黑色 標準包裝:25 |
| PLBR00350 | 功能描述:BEND RELIEF 3.5MM BLACK 制造商:itt cannon, llc 系列:PL 零件狀態(tài):在售 配件類型:應(yīng)力消除 配套使用產(chǎn)品/相關(guān)產(chǎn)品:PL 連接器，帶應(yīng)力消除螺母 外殼尺寸 - 插件:- 材料:硅 特性:- 顏色:黑色 標準包裝:25 |
| PLBR00400 | 功能描述:BEND RELIEF 4.0MM BLACK 制造商:itt cannon, llc 系列:PL 零件狀態(tài):在售 配件類型:應(yīng)力消除 配套使用產(chǎn)品/相關(guān)產(chǎn)品:PL 連接器，帶應(yīng)力消除螺母 外殼尺寸 - 插件:- 材料:硅 特性:- 顏色:黑色 標準包裝:25 |
| PLBR00450 | 功能描述:BEND RELIEF 4.5MM BLACK 制造商:itt cannon, llc 系列:PL 零件狀態(tài):在售 配件類型:應(yīng)力消除 配套使用產(chǎn)品/相關(guān)產(chǎn)品:PL 連接器，帶應(yīng)力消除螺母 外殼尺寸 - 插件:- 材料:硅 特性:- 顏色:黑色 標準包裝:25 |
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