CRM2512-FX-2700ELF [BOURNS]

RES SMD 270 OHM 1% 2W 2512;


型号：	CRM2512-FX-2700ELF
厂家：	BOURNS ELECTRONIC SOLUTIONS
描述：	RES SMD 270 OHM 1% 2W 2512
文件：	总5页 (文件大小：922K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Features

Applications

nꢀ Thickꢀﬁlmꢀtechnology

nꢀ Powerꢀratingꢀofꢀ2ꢀwattsꢀatꢀ70ꢀ°C

nꢀ Lowꢀresistanceꢀvalueꢀavailable

nꢀ RoHSꢀcompliant*

nꢀ Currentꢀsensing

nꢀ Powerꢀsupplies

nꢀ Stepperꢀmotorꢀdrives

nꢀ Snubberꢀresistorꢀforꢀﬂybackꢀpowerꢀsupplies

CRM2512 - High Power Current Sense Chip Resistors

General Information

Additional Information

The Bourns^®CRM2512 Series is a thick ﬁlm power resistor with a rating of 2 watts in

a standard 2512 chip format. This product has a very wide resistance range, making it

suitable for different applications in power supply circuits including current sensing and

current limiting.

Click these links for more information:

PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT

LIBRARY

Electrical Characteristics

Model CRM2512

Characteristic

Power Rating @ 70 °C

(0.047 to 0.91 W)

(0 W,1 W to 1 M W)

2 W

Operating Temp. Range

Derated to Zero Load at

Maximum Working Voltage

Maximum Overload Voltage

Insulation Resistance

-55 °C to +155 °C

+155 °C

1349 mV

3017 mV

300 V

600 V

> 1000 MW

0.047 - 0.91 W

(E24 Values)

1 W - 9.76 W

(E96 + E24 Values)

10 W - 1 MW

(E96 + E24 Values)

0 W, 1.0 - 1 MW

(E24 Values)

Resistance Range

Resistance Tolerance

Temperature Coefﬁcient

±1 % & ±5 %

±1 %

±100 PPM/°C,

±200 PPM/°C

±1 %

±5 %

±100 PPM/°C

±200 PPM/°C

Zero Ohm Jumper

<0.02 W Max. Rated Current

Notes:

(1) CRM2512 2 W loading with total solder pad and trace size of 300 mm².

(3) Jumper (0 W): Rated current 6 A maximum with 300 mm²pad.

Temperature coefﬁcient is not applicable.

(2) E = (PxR)^1/2

E: Working Voltage (V); P: Rated Power (W); R: Resistance Value (W)

For Standard Values Used in Capacitors, Inductors, and Resistors,

click here.

Characteristic Data

Test

Environmental Characteristics

Moisture Sensitivity Level.........................1

ΔR Max.

Load Life (1000 hours)

1 % Tolerance

< 1 %

< 3 %

5 % Tolerance

Short Term Overload

1 % Tolerance

< 1 %

< 2 %

5 % Tolerance

Thermal Shock

1 % Tolerance

5 % Tolerance

< 0.5 %

< 1 %

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ

Speciﬁcationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.

Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspeciﬁcꢀapplications.ꢀ

Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspeciﬁcꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.

CRM2512 - High Power Current Sense Chip Resistors

Derating Curve

Product Dimensions

Recommended Solder Pad Layout

6.3 ꢀ.ꢁꢀ

(ꢀ.ꢁ48 ꢀ.ꢀꢀ8ꢂ

2.45

(.096)

100

3.1 ꢀ.ꢁꢀ

(ꢀ.1ꢁꢁ ꢀ.ꢀꢀ8ꢂ

TOP SIDE

3.7

(.146)

ꢀ.6 ꢀ.ꢁꢀ

(ꢀ.ꢀꢁ4 ꢀ.ꢀꢀ8ꢂ

ꢀ.6 ꢀ.ꢁꢀ

(ꢀ.ꢀꢁ4 ꢀ.ꢀꢀ8ꢂ

-55

155

7.6

(.299)

Ambient Temperature (°C)

1.8 ꢀ.ꢁꢀ

(ꢀ.ꢀ7ꢀ ꢀ.ꢀꢀ8ꢂ

-OR-

ꢀ.9 ꢀ.ꢁ2

(ꢀ.ꢀ32 ꢀ.ꢀ1ꢀꢂ

ꢀ

(INCHES)

DIMENSIONS:

ꢀ

FOR RESISTANCE VALUES LOWER THAN 1 OHM

How to Order

CRM 2512 - F X - R100 E LF

Model

(CRM = Precision Chip Resistor)

Size

2512 = 2512 Size

Resistance Tolerance

• F = ±1 %

• J = ±5 %

TCR (PPM/°C - See Electrical Characteristics chart)

• W = ±200 PPM/°C

• X = ±100 PPM/°C

• / = Jumper

Resistance Value

•

1 % or 5 % Tolerance:

R <1 ohm..............“R” represents decimal point followed by three signiﬁcant digits (example: R100 = 0.100 ohm)

•

1% Tolerance:

<100 ohms ...........“R” represents decimal point (example: 24R3 = 24.3 ohms)

≥100 ohms ...........First three digits are signiﬁcant, fourth digit represents number of zeros to follow (example: 8252 = 82.5K ohms)

•

5% Tolerance:

<10 ohms .............“R” represents decimal point (example: 4R7 = 4.7 ohms)

≥10 ohms .............First two digits are signiﬁcant, third digit represents number of zeros to follow (example: 474 = 470K ohms)

0 ohm Jumper ......“000”

Packaging

• E = 4000 pieces per 180 mm (7 inch) reel

Termination

• LF = Tin-plated (RoHS Compliant)

Soldering Proﬁle

250

Psak 260 +5/-0 °C

2ꢀ0 °C cr highsr

200

150

100

Prs-hsatiog Zcos

180 °C

150 °C

90 ꢀ0 ꢁseconꢁ

Speciﬁcationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.

Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀ

speciﬁcꢀapplications.ꢀ

Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀ

subjectꢀtoꢀspeciﬁcꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀ

lastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/

docs/legal/disclaimer.pdf.

ꢀ0 10 ꢁseconꢁ

Sclnsriog Zcos

Hsatiog Tims

CRM2512 - High Power Current Sense Chip Resistors

Pulse Load Characteristics

Resistance Values ≥1 Ohm

1000

100

0.1

0.0001

0.001

0.01

0.1

PULSE DURATION (SEC.)

Resistance Values <1 Ohm

1000

100

0.1

0.0001

0.001

0.01

0.1

PULSE DURATION (SEC.)

Speciﬁcationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.

Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspeciﬁcꢀapplications.ꢀ

CRM2512 - High Power Current Sense Chip Resistors

Packaging Dimensions (Conforms to EIA RS-481A)

1.7ꢂ 0.1

(0.069 0.0048

ꢂ.ꢂ 0.0ꢂ

(0.ꢀ17 0.00ꢀ8

PAPER TAPE

TOP TAPE

13.0 1.0

1.ꢂ +0.1/-0

(0.0ꢂ9 +0.004/-08

1.ꢂ

(0.0ꢂ98

DIA. MIN.

(0.ꢂ1ꢀ 0.0398

DIA.

1ꢁ0 +0/-3

(7.09 +0/-0.11ꢁ8

1ꢀ.0 0.ꢀ

(0.47ꢀ 0.00ꢁ8

DIA.

60.0

(ꢀ.36ꢀ8

MIN.

DIA.

6.9 0.ꢀ

(0.ꢀ7ꢀ 0.00ꢁ8

RESISTOR

3.60 0.ꢀ0

(0.14ꢀ 0.00ꢁ8

4.0 0.0ꢂ

(0.1ꢂ7 0.00ꢀ8

ꢀ.0 0.0ꢂ

(0.079 0.00ꢀ8

4.0 0.1

(0.1ꢂ7 0.0048

0.ꢁꢂ 0.1ꢂ

(0.033 0.0068

USER DIRECTION OF FEED

1ꢂ.4 ꢀ.0

(0.606 0.0798

13.0 1.0

(0.ꢂ1ꢀ 0.0398

ꢀ

DIMENSIONS:

ꢀ

(INCHES)

REV.ꢀ08/21

Speciﬁcationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.

Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspeciﬁcꢀapplications.ꢀ

Legal Disclaimer Notice

This legal disclaimer applies to purchasers and users of Bourns^®products manufactured by or on behalf of Bourns, Inc. and its

afﬁliates (collectively, “Bourns”).

Unless otherwise expressly indicated in writing, Bourns^®products and data sheets relating thereto are subject to change

without notice. Users should check for and obtain the latest relevant information and verify that such information is current and

complete before placing orders for Bourns^®products.

The characteristics and parameters of a Bourns^®product set forth in its data sheet are based on laboratory conditions, and

statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical

requirements in generic applications. The characteristics and parameters of a Bourns^®product in a user application may vary

from the data sheet characteristics and parameters due to (i) the combination of the Bourns^®product with other components

in the user’s application, or (ii) the environment of the user application itself. The characteristics and parameters of a Bourns^®

product also can and do vary in different applications and actual performance may vary over time. Users should always verify

the actual performance of the Bourns^®product in their speciﬁc devices and applications, and make their own independent

judgments regarding the amount of additional test margin to design into their device or application to compensate for

differences between laboratory and real world conditions.

Unless Bourns has explicitly designated an individual Bourns^®product as meeting the requirements of a particular industry

standard (e.g., ISO/TS 16949) or a particular qualiﬁcation (e.g., UL listed or recognized), Bourns is not responsible for any

failure of an individual Bourns^®product to meet the requirements of such industry standard or particular qualiﬁcation. Users of

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Bourns^®products are not recommended, authorized or intended for use in nuclear, lifesaving, life-critical or life-sustaining ap-

plications, nor in any other applications where failure or malfunction may result in personal injury, death, or severe property or

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sole risk. Life-critical applications include devices identiﬁed by the U.S. Food and Drug Administration as Class III devices and

generally equivalent classiﬁcations outside of the United States.

Bourns expressly identiﬁes those Bourns^®standard products that are suitable for use in automotive applications on such

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authorized Bourns representatives on a case-by-case basis, use of any other Bourns^®standard products in an automotive

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standard product is considered for potential use in automotive applications, it should only be used in such sub-category of

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approved in writing by two authorized Bourns representatives on a case-by-case basis, use of any other Bourns^®standard

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user’s sole risk.

The use and level of testing applicable to Bourns^®custom products shall be negotiated on a case-by-case basis by Bourns and

the user for which such Bourns^®custom products are specially designed. Absent a written agreement between Bourns and the

user regarding the use and level of such testing, the above provisions applicable to Bourns^®standard products shall also apply

to such Bourns^®custom products.

Users shall not sell, transfer, export or re-export any Bourns^®products or technology for use in activities which involve the

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incidental or indirect damages or lost revenues or lost proﬁts, and (ii) any and all implied warranties, including implied warranties

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For your convenience, copies of this Legal Disclaimer Notice with German, Spanish, Japanese, Traditional Chinese and Simpliﬁed Chinese

bilingual versions are available at:

Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies

PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf

C1753 05/17/18R

CRM2512-FX-2700ELF [BOURNS]

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