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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 1355904
Product description FIXED INDUCTOR 0.5UH 10A NON-SHIELDED
Manufacturer / Brand Bourns
Manufacturer part number SRN8040TA-R50Y

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 1355904
Product description FIXED INDUCTOR 0.5UH 10A NON-SHIELDED
Manufacturer / Brand Bourns
Manufacturer part number SRN8040TA-R50Y

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


Date May 22, 2024

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

Product Details

SRN8040 Series Semi Magnetically Shielded Wire Wound Chokes

Bourns SRN8040 series SMD semi-shielded power inductors feature an inductance range of 0.5 to 330uH and a rated current up to 12A, operating temperature of -55°C to +125°C. These inductors are suitable for the automotive industry and are AEC-Q200 qualified.


Automotive systems: Driver assistant, information, lighting, entertainment
DC-DC convertors
Power supplies
Digital video


Attribute Value
Brand Bourns
Inductance 500 nH
Maximum DC Current 12 A
Length 8 mm
Depth 8 mm
Automotive Standard AEC-Q200
Height 4.2 mm
Dimensions 8 x 8 x 4.2 mm
Tolerance ±30 %
Maximum DC Resistance 5.5 m?
Series SRN8040TA
Core Material Ferrite
Maximum Self Resonant Frequency 165 MHz
Inductor Construction Semi-Shielded
Maximum Operating Temperature +125 °C
Minimum Operating Temperature -55 °C
Minimum Quality Factor 20
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