Bourns 1Ω Thick Film SMD Resistor ±1% 35W – PWR263S-35-1R00F

RS Stock No.:
Mfr. Prt No.:

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 7332571
Product description Bourns 1Ω Thick Film SMD Resistor ±1% 35W - PWR263S-35-1R00F
Manufacturer / Brand Bourns
Manufacturer part number PWR263S-35-1R00F

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 7332571
Product description Bourns 1Ω Thick Film SMD Resistor ±1% 35W - PWR263S-35-1R00F
Manufacturer / Brand Bourns
Manufacturer part number PWR263S-35-1R00F

The foregoing information relates to product sold on, or after, the date shown below.


Date Mar 2, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: CR

Product Details

Non-Inductive - Surface Mount Package

35W 1% PWR263 Series ( TO263 package )

The PWR263S-35 SMD power resistor series from Bourns is rated to 35 W continuous power in a D2PAK package. The free to air power rating of the component is 2.8 W. Manufactured using thick film on alumina ceramic technology the PWR263S-35 SMD power resistor series is designed to withstand peak temperatures of 260°C during solder reflow.

PWR263S-35 SMD power resistors are available in a wide resistance range. These resistors feature pulse power handling and low inductance. PWR263S-35 Power resistors are suited to current limiting, current sensing, capacitor discharge in battery charging, AC-DC, DC-DC and DC-AC conversion circuits.

D2PAK housing
Low inductance
Resistor electrically isolated from the back plate
High power rating
Compatible with lead free solder reflow temperatures

Product Application Information

PWR263S-35 power resistors are AEC-Q200 qualified and suitable for automotive applications. Other uses include uninterruptible power supplies, telecom power supplies, welding machines and automation. Suitable applications also include aerospace, lighting and railway equipment.


Power supplies
Motor drives
Test and measurement


Attribute Value
Resistance 1 Ω
Brand Bourns
Temperature Coefficient ±100 ppm/°C
Package/Case TO-263
Series PWR263S-35
Technology Thick Film
Maximum Operating Temperature +155 °C
Automotive Standard AEC-Q200
Minimum Operating Temperature -55 °C
Tolerance ±1 %
Power Rating 35 W
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