CSS2512FT62L0 datasheet, PDF - EEWORLD Datasheet

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CSS2512FT62L0: DescriptionRES 0.062 OHM 1% 2W 2512; CategoryPassive components; File Size186KB，7 Pages; ManufacturerStackpole Electronics Inc; Environmental Compliance

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CSS2512FT62L0 Overview

RES 0.062 OHM 1% 2W 2512

CSS2512FT62L0 Parametric

Parameter Name	Attribute value
resistance	62 mOhms
Tolerance	±1%
Power (W)	2W
component	metal foil
characteristic	Automotive grade AEC-Q200, current sensing
Temperature Coefficient	±15ppm/°C
Operating temperature	-55°C ~ 225°C
Package/casing	2512 (6432 metric)
Supplier device packaging	2512
size/dimensions	0.246" long x 0.130" wide (6.25mm x 3.30mm)
Height - Installation (maximum)	0.035"（0.90mm）
Number of terminals	2
failure rate	-

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CSS/CSSH Series

Ultra Precision Current Sensing Chip Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

High power metal alloy current sense resistor

High temperature performance up to 225°C;

for operation up to 275ºC, contact factory

Low thermal EMF (<1µV/C)

Proprietary processing technique produces extremely low

resistance values

Qualified to AEC-Q200

RoHS compliant, lead-free and halogen-free

Electrical Specifications

Type/Code

Maximum Power

Rating (Watts)

0.33

0.5

Maximum Rating

Current (A)

9.08

8.1

12.9

31.62

Maximum Overload

Current (A)

18.16

16.2

25.8

63.25

TCR (ppm/ºC)

±75ppm/ºC

±50 ppm/ºC

±75ppm/ºC

±50 ppm/ºC

±25 ppm/ºC

±15 ppm/ºC

±50 ppm/ºC

±25 ppm/ºC

±15 ppm/ºC

±50 ppm/ºC

±25 ppm/ºC

±15 ppm/ºC

±50 ppm/ºC

±25 ppm/ºC

±50 ppm/ºC

±25 ppm/ºC

±15 ppm/ºC

±25 ppm/ºC

±15 ppm/ºC

±50 ppm/ºC

Ohmic Range (Ω) and Tolerance

0.5%

0.007 - 0.015

0.016 - 0.05

0.007 - 0.1

0.007 - 0.075

0.007 - 0.01

0.004 - 0.007

0.008 - 0.19

0.004 - 0.007

0.008 - 0.019

0.007 - 0.12

1%, 2%, 5%

0.004

0.005, 0.01, 0.015

0.003

0.005, 0.01, 0.015

0.001 - 0.004

0.005 - 0.015

0.016 - 0.05

0.001 - 0.003

0.004 - 0.006

0.007 - 0.1

0.0005 - 0.003

0.004 - 0.006

0.007 - 0.075

0.0005 - 0.0025

0.003 - 0.01

0.00025 - 0.003

0.004 - 0.007

0.008 - 0.1

0.004 - 0.007

0.008 - 0.05

0.0005 - 0.12

CSS0603

CSS0805

CSS1206

CSS2010

31.62

63.25

CSS2512

63.25

141.42

CSSH2512

CSS2725

CSS2728

CSSH2728

CSS4527

77.46

126.49

27.39

31.62

100

134.16

252.95

61.24A

70.71

173

Please refer to the High Power Resistor Application Note (page 5) for more information on designing and implementing

high power resistor types.

Mechanical Specifications

Type/Code

CSS0603

Maximum Power

Rating (Watts)

0.33

Resistance Range

(Ω)

0.004, 0.005

0.01, 0.015

0.063 ± 0.008

1.60 ± 0.20

0.031 ± 0.008

0.80 ± 0.20

0.010 ± 0.004

0.25 ± 0.10

Unit

Bottom Termination

inches

0.012 ± 0.006

0.30 ± 0.15

Rev Date: 08/22/2018

This specification may be changed at any time without prior notice

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

CSS/CSSH Series

Ultra Precision Current Sensing Chip 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°C for the CSS / CSSH series and 70°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 105°C. At first glance this wouldn’t seem too difficult, however the

graph below shows typical heat rise for the CSR ½ 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°C heat rise shown here would indicate there will be additional thermal reduction techniques needed to keep

this part under 105°C 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°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, via 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 ≤ 50mΩ.

This should be taken into account when designing.

Rev Date: 08/22/2018

This specification may be changed at any time without prior notice

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

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