- 您现在的位置：买卖IC网 > PDF目录2516 > CSR2512JTR400 (Stackpole Electronics Inc)RES .4 OHM 2W 5% 2512 SMD PDF资料下载
参数资料
| 型号： | CSR2512JTR400 |
| 厂商： | Stackpole Electronics Inc |
| 文件页数： | 6/6页 |
| 文件大小： | 0K |
| 描述： | RES .4 OHM 2W 5% 2512 SMD |
| 产品培训模块： | Current Sensing Resistor |
| 产品变化通告： | Global Part Number Change 9/Aug/2010 |
| 标准包装： | 4,000 |
| 系列： | CSR |
| 电阻（欧姆）： | 0.4 |
| 功率（瓦特）： | 2W |
| 复合体： | 厚膜 |
| 特点： | 电流检测 |
| 温度系数： | ±200ppm/°C |
| 容差： | ±5% |
| 封装/外壳： | 2512（6432 公制） |
| 尺寸/尺寸： | 0.252" L x 0.126" W（6.40mm x 3.20mm） |
| 高度： | 0.026"（0.65mm） |
| 端子数： | 2 |
| 包装： | 带卷 (TR) |
| 其它名称： | CSR 2 0.4 5% R CSR20.45%R CSR20.45%R-ND CSR20.4JR CSR20.4JR-ND |
CSR/CSRN Series
Thick Film Current Sensing Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
High Power Chip Resistors and Thermal Management
Stackpole has developed several surface mount resistor series in addition to our current sense resistors,
which have had higher power ratings than standard resistor chips. This has caused some uncertainty and
even confusion by users as to how to reliably use these resistors at the higher power ratings in their designs.
The data sheets for the RHC, RMCP, RNCP, CSR, CSRN, CSRF, CSS, and CSSH state that the rated
power assumes an ambient temperature of no more than 100 degrees C for the CSS / CSSH series and 70
degrees C for all other high power resistor series. In addition, IPC and UL best practices dictate that the
combined temperature on any resistor due to power dissipated and ambient air shall be no more than 105C.
At first glance this wouldn’t seem too difficult, however the graph below shows typical heat rise for the CSR
? 100 milliohm at full rated power. The heat rise for the RMCP and RNCP would be similar. The RHC with
its unique materials, design, and processes would have less heat rise and therefore would be easier to
implement for any given customer.
The 102 degrees C heat rise shown here would indicate there will be additional thermal reduction techniques
needed to keep this part under 105C total hot spot temperature if this part is to be used at 0.75 watts of
power. However, this same part at the usual power rating for this size would have a heat rise of around 72
degrees C. This additional heat rise may be dealt with using wider conductor traces, larger solder pads and
land patterns under the solder mask, heavier copper in the conductors, vias through PCB, air movement, and
heat sinks, among many other techniques. Because of the variety of methods customers can use to lower
the effective heat rise of the circuit, resistor manufacturers simply specify power ratings with the limitations
on ambient air temperature and total hot spot temperatures and leave the details of how to best accomplish
this to the design engineers. Design guidelines for products in various market segments can vary widely so
it would be unnecessarily constraining for a resistor manufacturer to recommend the use of any of these
methods over another.
Note:
The final resistance value can be affected by the board layout and assembly process, especially the size of the
mounting pads and the amount of solder used. This is especially notable for resistance values ≤ 50 m .
This should be taken into account when designing.
Rev Date: 11/05/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
6
www.seielect.com
marketing@seielect.com
相关PDF资料 |
PDF描述 |
|---|---|
| RMCP2010FT1M20 | RES PWR 1.2M OHM 1W 1% 2010 SMD |
| RMCP2010FT1M24 | RES PWR 1.24M OHM 1W 1% 2010 SMD |
| RMCP2010FT1M27 | RES PWR 1.27M OHM 1W 1% 2010 SMD |
| RMCP2010FT1M30 | RES PWR 1.3M OHM 1W 1% 2010 SMD |
| RMCP2010FT1M33 | RES PWR 1.33M OHM 1W 1% 2010 SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CSR2512JTR470 | 功能描述:RES .47 OHM 2W 5% 2512 SMD RoHS:是 类别:电阻器 >> 芯片电阻 - 表面安装 系列:CSR 标准包装:4,000 系列:RCL - 汽车 电阻（欧姆）:30.9 功率（瓦特）:1W 复合体:厚膜 特点:- 温度系数:±100ppm/°C 容差:±1% 封装/外壳:1812（4632 公制）宽（长端），1218（3246 公制） 尺寸/尺寸:0.126" L x 0.181" W（3.20mm x 4.60mm） 高度:0.024"（0.60mm） 端子数:2 包装:带卷 (TR) |
| CSR2512W | 制造商:RIEDON 制造商全称:Riedon Powertron 功能描述:Ultra Low Ohm (Metal Strip) Chip Resistor |
| CSR2-6E | 制造商:United Automation Inc 功能描述:POWER CONTROLLER + POT 6A 制造商:UNITED AUTOMATION 功能描述:POWER CONTROLLER + POT, 6A 制造商:UNITED AUTOMATION 功能描述:POWER CONTROLLER + POT, 6A; On State Current Max:6A; Supply Voltage Range:207V AC to 253V AC; Supply Frequency:60Hz; Operating Temperature Min:0C; Operating Temperature Max:75C; Approval Bodies:CE; External Depth:23mm; External ;RoHS Compliant: Yes |
| CSR2-6E | 制造商:United Automation Inc 功能描述:POWER CONTROLLER + POT 6A |
| CSR2930800BA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:FLASH MEMORY CMOS 8M (1M x 8/512K x 16) BIT |
发布紧急采购，3分钟左右您将得到回复。