PSF4527237R0TXEK datasheet, PDF

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PSF4527237R0TXEK: DescriptionFixed Resistor, Metal Film, 0.25W, 237ohm, 300V, 0.01% +/-Tol, 15ppm/Cel, Surface Mount, 4527, CHIP; CategoryPassive components The resistor; File Size91KB，4 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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PSF4527237R0TXEK Overview

Fixed Resistor, Metal Film, 0.25W, 237ohm, 300V, 0.01% +/-Tol, 15ppm/Cel, Surface Mount, 4527, CHIP

PSF4527237R0TXEK Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	761199194
package instruction	CHIP
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	HIGH PRECISION
structure	Rectangular
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-55 °C
Package height	4.24 mm
Package length	11.56 mm
Package form	SMT
Package width	6.98 mm
method of packing	BULK
Rated power dissipation(P)	0.25 W
Rated temperature	85 °C
resistance	237 Ω
Resistor type	FIXED RESISTOR
size code	4527
surface mount	YES
technology	METAL FILM
Temperature Coefficient	15 ppm/°C
Terminal shape	WRAPAROUND
Tolerance	0.01%
Operating Voltage	300 V

PSF4527237R0TXEK Preview

PSF

www.vishay.com

Vishay Dale

Metal Film Resistors, High Precision, High Stability, Surface Mount

FEATURES

• Extremely low temperature coefficient of

resistance

• Molded encapsulation

• Wraparound compliant terminations eliminate

the risk of solder fillet cracking

• Solderable terminations

• Excellent stability at different environmental

conditions

• For axial-leaded product, see Vishay Dale’s

PTF datasheet (www.vishay.com/doc?31019)

• Material categorization: For definitions of compliance

please see

www.vishay.com/doc?99912

Note

Lead (Pb)-containing terminations are not RoHS-compliant.

Exemptions may apply.

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

PSF2012

PSF4527

SIZE

INCH

2012

4527

POWER

RATING

85 °C

0.125

0.25

MAXIMUM

WORKING

VOLTAGE

(1)

200

300

TEMPERATURE

COEFFICIENT

± ppm/°C

5, 10, 15, 25

TOLERANCE

±%

0.01, 0.02, 0.05,

0.1, 0.25, 0.5, 1

0.01, 0.02, 0.05,

0.1, 0.25, 0.5, 1

RESISTANCE

RANGE



15 to 100K

15 to 500K

ENCAPSULATION

Epoxy

Thermoplastic

Notes

• Marking: Print-marked-model, value, tolerance, TC, date code.

• DSCC has created a drawing to support the need for a precision 2012-sized product. Vishay Dale is listed as a resource on this drawing as

follows:.

DSCC DRAWING

NUMBER

02001

VISHAY DALE

MODEL

PSF2012..1

POWER RATING

85 °C

0.125

RESISTANCE

RANGE



15 to 100 K

TOLERANCE

±%

TEMPERATURE

COEFFICIENT

± ppm/°C

MAX. WORKING

VOLTAGE

(1)

200

0.01, 0.02, 0.05,

5, 10

0.1, 0.25, 0.5, 1

• This drawing can be reviewed at:

www.landandmaritime.dla.mil/Programs/MilSpec/ListDwgs.aspx?DocTYPE=DSCCdwg.

(1)

Continuous working voltage shall be

or maximum working voltage, whichever is less.

TECHNICAL SPECIFICATIONS

PARAMETER

Rated dissipation at 85 °C

Limiting element voltage

Insulation voltage (1 min)

Thermal resistance

Insulation resistance

Category temperature range

Failure rate

Weight/1000 pieces (typical)

UNIT

V

eff

K/W



°C

-9

PSF2012

0.125

200

> 500

< 1300



- 55 to + 150

760

< 520

PSF4527

0.25

300

GLOBAL PART NUMBER INFORMATION

New Global Part Numbering: PSF201220K50BYTA (preferred part number format)

GLOBAL MODEL

PSF2012

PSF4527

RESISTANCE VALUE



= k

15R00

= 15



1K000

= 1 k

500K0

= 500 k

TOLERANCE CODE

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.1 %

= ± 0.25 %

= ± 0.5 %

=±1%

TEMP. COEFFICIENT

= ± 5 ppm/°C

= ± 10 ppm/°C

= ± 15 ppm/°C

= ± 25 ppm/°C

= Special

PACKAGING

= Lead (Pb)-free, bulk

= Lead (Pb)-free, T/R

= Tin/lead, bulk

= Tin/lead, T/R (full)

SPECIAL

Blank = Standard

(Dash number)

(Up to 2 digits)

From

applicable

Note

• For additional information on packaging, refer to the Surface Mount Resistor Packaging document (www.vishay.com/doc?31543).

Revision: 13-Jul-12

Document Number: 30162

For technical questions, contact:

ff2aresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

www.vishay.com/doc?91000

PSF

www.vishay.com

Vishay Dale

DIMENSIONS

in inches (millimeters)

MODEL

PSF2012

PSF4527

0.200 ± 0.020

(5.08 ± 0.508)

0.455 ± 0.020

(11.56 ± 0.508)

0.096 ± 0.015

(2.44 ± 0.381)

0.167 ± 0.010

(4.24 ± 0.254)

0.040 ± 0.010

(1.02 ± 0.254)

0.100 ± 0.010

(2.54 ± 0.254)

0.125 ± 0.005

(3.18 ± 0.127)

0.275 ± 0.005

(6.98 ± 0.127)

0.050 ± 0.005

(1.27 ± 0.127)

0.215 ± 0.005

(5.46 ± 0.127)

SOLDER PAD DIMENSIONS

in inches (millimeters)

MODEL

PSF2012

PSF4527

0.085 (2.16)

0.155 (3.94)

0.070 (1.78)

0.230 (5.94)

0.080 (2.03)

0.205 (5.21)

THERMAL RESISTANCE

HEAT RISE IN °C (ABOVE AMBIENT)

200

DERATING

RATED POWER IN %

120

100

150

PSF4527

100

PSF2012

0.5

1.0

1.5

2.0

POWER IN W

- 55

- 25

75 100

125

150

175

200

AMBIENT TEMPERATURE IN °C

MATERIAL SPECIFICATIONS

Element

Encapsulation

Core

Termination

Precision deposited nickel chrome alloy with controlled annealing

Molded epoxy on the 2012 and molded thermoplastic on the 4527

Fire-cleaned high purity ceramic

Standard leadframe material is solder-coated copper on the 2012 and solder-coated bronze on the 4527

PACKAGING

REEL

MODEL

PSF2012

PSF4527

TAPE WIDTH

12 mm/embossed plastic

24 mm/embossed plastic

DIAMETER

330 mm/13"

PIECES/REEL

2000

1200

PACKAGING CODE

LEAD (Pb)-FREE

LEAD (Pb)-BEARING

Note

• Embossed carrier tape per EIA-481.

Revision: 13-Jul-12

Document Number: 30162

For technical questions, contact:

ff2aresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

www.vishay.com/doc?91000

PSF

www.vishay.com

Vishay Dale

TEMPERATURE COEFFICIENT OF RESISTANCE

Temperature coefficient (TC) of resistance is normally stated as the maximum amount of resistance change from the original + 25 °C value

as the ambient temperature increases or decreases. This is most commonly expressed in parts per million per degree centigrade (ppm/°C).

The resistance curve over the operating temperature range is usually a non-linear curve within predictable maximum limits. PSF resistors

have a very uniform resistance temperature characteristic when measured over the operating range of - 20 °C to + 85 °C. The standard

temperature coefficients available are

E = ± 25 ppm/°C, X = ± 15 ppm/°C, Y = ± 10 ppm/°C, and Z = ± 5 ppm/°C.

Some applications of the PSF require operation beyond the specifications of - 20 °C to + 85 °C. The change in temperature coefficient of

resistance is very small (less than ± 0.05 ppm/°C) over the expanded temperature range of - 55 °C to + 150 °C. Therefore, when operating

outside the range of - 20 °C to + 85 °C, the designer can plan for a worst case addition of ± 0.05 ppm/°C for each degree centigrade beyond

either - 20 °C or + 85 °C as indicated in the graph. This applies to all four temperature coefficient codes.

ppm/°C

ADDITION TO BASE TC IN THE

EXPANDED PORTION OF THE

TEMPERATURE RANGE

- 20 °C to + 85 °C

BASE TC LIMIT

- 50

- 40

- 30

- 20

100

110

120

130

140

150

EXPANDED

OPERATING RANGE

- 55 °C to - 20 °C

E, X, Y, OR Z

EXPANDED

OPERATING RANGE

+ 85 °C to + 150 °C

Example:

Assume the operating characteristics demand a temperature range from - 55 °C to + 125 °C. This requires a ± 35 °C



below - 20 °C and

a ± 40 °C



above + 85 °C. The extreme



being ± 40 °C means that the worst case addition to the specified TC limit of ± 0.05 ppm/°C

times ± 40 °C or ± 2 ppm/°C. Therefore, a Z which is characterized by a base TC limit of ± 5 ppm/°C over the temperature range of

- 20 °C to + 85 °C will exhibit a maximum temperature coefficient of ± 7 ppm/°C over the expanded portion of the temperature range of

- 55 °C to 125 °C.

PERFORMANCE

TEST

Life

Short time overload

Thermal shock

Low temperature operation

Resistance to bonding exposure

Moisture resistance

Solder mounting integrity

Dielectric withstanding voltage

Solderability

CONDITIONS OF TEST

MIL-STD-202, method 108, 1000 h rated power at + 85 °C

MIL-PRF-55342, paragraph 4.8.6

MIL-STD-202, method 107, - 65 °C to + 150 °C

MIL-PRF-55342, paragraph 4.8.5

MIL-STD-202, method 210

MIL-PRF-55342, paragraph 4.8.9

MIL-PRF-55342, paragraph 4.8.13, 3 kg for 30 s

MIL-STD-202, methods 301 and 105

MIL-STD-202, method 208

TEST RESULTS

(TYPICAL TEST LOTS)



± 0.04 %



± 0.01 %



± 0.02 %



± 0.02 %



± 0.02 %



± 0.08 %

No evidence of mechanical damage



± 0.01 %

95 % coverage

Revision: 13-Jul-12

Document Number: 30162

For technical questions, contact:

ff2aresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

www.vishay.com/doc?91000

Legal Disclaimer Notice

www.vishay.com

Vishay

Disclaimer

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE

RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,

“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other

disclosure relating to any product.

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or

the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all

liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,

consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular

purpose, non-infringement and merchantability.

Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical

requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements

about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular

product with the properties described in the product specification is suitable for use in a particular application. Parameters

provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All

operating parameters, including typical parameters, must be validated for each customer application by the customer’s

technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,

including but not limited to the warranty expressed therein.

Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining

applications or for any other application in which the failure of the Vishay product could result in personal injury or death.

Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please

contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by

any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.

Material Category Policy

Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the

definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council

of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment

(EEE) - recast, unless otherwise specified as non-compliant.

Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that

all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.

Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free

requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference

to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21

conform to JEDEC JS709A standards.

Revision: 02-Oct-12

Document Number: 91000

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