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參數(shù)資料
| 型號： | NZL7V5AXV3T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | Zener Voltage Regulators(齊納穩(wěn)壓管) |
| 中文描述： | UNIDIRECTIONAL, 2 ELEMENT, SILICON, TVS DIODE |
| 封裝： | LEAD FREE, PLASTIC, SC-89, CASE 463C-03, 3 PIN |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 52K |
| 代理商： | NZL7V5AXV3T1 |
NZL5V6AXV3T1 Series
http://onsemi.com
5
INFORMATION FOR USING THE SC-89 SURFACE MOUNT PACKAGE
MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS
Surface mount board layout is a critical portion of the
total design. The footprint for the semiconductor packages
must be the correct size to insure proper solder connection
interface between the board and the package. With the
correct pad geometry, the packages will self align when
subjected to a solder reflow process.
SC-89
0.53
1.10
0.50
0.53
Dimensions in Millimeters
SC-89 POWER DISSIPATION
The power dissipation of the SC-89 is a function of the
drain pad size. This can vary from the minimum pad size
for soldering to a pad size given for maximum power
dissipation. Power dissipation for a surface mount device is
determined by T
J(max)
, the maximum rated junction
temperature of the die, R
θ
JA
, the thermal resistance from
the device junction to ambient, and the operating
temperature, T
A
. Using the values provided on the data
sheet for the SC-89 package, P
D
can be calculated as
follows:
T
J(max)
- T
A
P
D
=
R
θ
JA
The values for the equation are found in the maximum
ratings table on the data sheet. Substituting these values
into the equation for an ambient temperature T
A
of 25
°
C,
one can calculate the power dissipation of the device which
in this case is 240 milliwatts.
P
D
=150
°
C - 25
°
C
525
°
C/W
The 525
°
C/W for the SC-89 package assumes the use of
the recommended footprint on a glass epoxy printed circuit
board to achieve a power dissipation of TBD milliwatts.
There are other alternatives to achieving higher power
dissipation from the SC-89 package. Another alternative
would be to use a ceramic substrate or an aluminum core
board such as Thermal Clad
. Using a board material such
as Thermal Clad, an aluminum core board, the power
dissipation can be doubled using the same footprint.
= 240 milliwatts
SOLDERING PRECAUTIONS
The melting temperature of solder is higher than the rated
temperature of the device. When the entire device is heated
to a high temperature, failure to complete soldering within
a short time could result in device failure. Therefore, the
following items should always be observed in order to
minimize the thermal stress to which the devices are
subjected.
Always preheat the device.
The delta temperature between the preheat and
soldering should be 100
°
C or less.*
When preheating and soldering, the temperature of the
leads and the case must not exceed the maximum
temperature ratings as shown on the data sheet. When
using infrared heating with the reflow soldering
method, the difference shall be a maximum of 10
°
C.
The soldering temperature and time shall not exceed
260
°
C for more than 10 seconds.
When shifting from preheating to soldering, the
maximum temperature gradient shall be 5
°
C or less.
After soldering has been completed, the device should
be allowed to cool naturally for at least three minutes.
Gradual cooling should be used as the use of forced
cooling will increase the temperature gradient and
result in latent failure due to mechanical stress.
Mechanical stress or shock should not be applied
during cooling.
* Soldering a device without preheating can cause excessive
thermal shock and stress which can result in damage to the
device.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NZL7V5AXV3T1G | 功能描述:穩(wěn)壓二極管 ZEN TVS DIODE 7.5V RoHS:否 制造商:Vishay Semiconductors 齊納電壓:12 V 電壓容差:5 % 電壓溫度系數(shù):0.075 % / K 齊納電流: 功率耗散:3 W 最大反向漏泄電流:3 uA 最大齊納阻抗:7 Ohms 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AC 封裝:Reel |
| NZL8V2AXV3T1 | 功能描述:TVS ZENER DUAL 8.2V SC89 RoHS:否 類別:過電壓，電流，溫度裝置 >> TVS - 二極管 系列:- 標準包裝:1,800 系列:TransZorb® 電壓 - 反向隔離（標準值）:28V 電壓 - 擊穿:31.1V 功率（瓦特）:400W 電極標記:雙向 安裝類型:表面貼裝 封裝/外殼:DO-214AC，SMA 供應商設備封裝:DO-214AC（SMA） 包裝:帶卷 (TR) 其它名稱:SMAJ28CA-E3/61-NDSMAJ28CA-E3/61GITR |
| NZM1/2-XV4 | 制造商:Eaton Corporation 功能描述:EXTENSION SHAFT 400MM 制造商:Eaton Corporation 功能描述:Extension shaft 制造商:Moeller Electric Corporation 功能描述:Extension shaft |
| NZM1/2-XV6 | 制造商:Eaton Corporation 功能描述:EXTENSION SHAFT 600MM 制造商:Moeller Electric Corporation 功能描述:Extension shaft |
| NZM101HT-K5LZ | 制造商:SMC Corporation of America 功能描述:VACUUM GENERATOR, 24VDC |
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