Passive Components


Latest Articles

RM6 and RM10 transformers
27 March 2019, Würth Elektronik eiSos
The new MID-OLRM extended rail RM6 and RM10 transformer series for offline applications is now available from Würth Elektronik. For the past 30 years, the RM packages have required flying leads to meet ...

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G.fast transformers
27 March 2019, Würth Elektronik eiSos
Würth Elektronik announced the release of additional G.fast transformers to the MID-DSLSCK family approved for use with Sckipio chipsets. These transformers cover both the 106 MHz and 212 MHz G.fast profiles ...

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High-power thick-film resistors
27 February 2019, Electrocomp
Bourns announced the introduction of the new Model PWR221T-50 series high-power thick-film resistors. This series is available in a compact TO-220 package utilising thick-film on ceramic technology, ...

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LAN transformers and common mode inductor
27 February 2019, Electrocomp
Bourns’ inductive components product line is introducing the Model SM453229-231N7Y and SM453229-381N7Y chip LAN 10/100/1000 Base-T transformers. Unlike traditional LAN magnetics built with multiple toroidal ...

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120 W planar transformers
30 January 2019, RF Design
Coilcraft has introduced its new PoE120PL series of high-efficiency planar transformers which are optimised for active clamp forward converters, including use in Power over Ethernet PSE (power sourcing ...

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Double choke with multiple winding ratios
30 January 2019, Würth Elektronik eiSos
The coupled power chokes product category from Würth Elektronik eiSos has a new member in the form of the WE-MTCI SMT multi-turn ratio double choke. Housed in the 5030 package, it is the company’s smallest ...

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Determining coil losses accurately
14 November 2018, Würth Elektronik eiSos
Würth Elektronik eiSos developed REDEXPERT, a new model for determining inductor core losses that is available to design engineers as an easy-to-use development tool.

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Electrical double-layer capacitors
14 November 2018, Altron Arrow
Vishay Intertechnology introduced a new series of ENYCAP electrical double-layer energy storage capacitors for energy harvesting, power backup and UPS power source applications. Available in power and ...

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Common mode chokes for CAN noise suppression
14 November 2018, RF Design
Coilcraft’s new 1812CAN series common mode chokes provide noise suppression on CAN (1 Mbps) or CAN FD (5 Mbps) data lines in automotive and industrial automation applications. They can also be used for ...

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Signal isolation transformers
14 November 2018, Electrocomp
Bourns has introduced two additional BMS signal transformers – the Model SM91501AL and SM91502AL. Model SM91501AL is a dual-channel isolation transformer module, and Model SM91502AL is a single-channel ...

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Double choke with multiple winding ratios
14 November 2018, Würth Elektronik eiSos
The coupled power chokes product category from Würth Elektronik eiSos has a new member in the form of the WE-MTCI SMT multi-turn ratio double choke. Housed in the 5030 package, it is the company’s smallest ...

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LAN 10/100 Base-T transformers
14 November 2018, Electrocomp
The Bourns inductive components product line has introduced an additional LAN transformer, Model SM91074AL. This is a single-port LAN 10/100 Base-T / isolation transformer module that includes common ...

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Rugged high-density capacitors
14 November 2018, RS South Africa
Designed for energy storage in industrial, renewable energy and automotive environments, MAL2225 polarised electrostatic double-layer capacitors (EDLCs) from Vishay combine high capacity and energy density ...

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High-voltage double chokes
14 November 2018
Würth Elektronik eiSos has added the smallest double choke of its type to its portfolio. Featuring a 2 kV isolation voltage in a 4828 package, the WE-CPIB HV 1:1 transformer is magnetically shielded and ...

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Robust 3-phase filter capacitors
10 October 2018, Electrocomp
TDK introduced the new, extensive B3237* series of EPCOS MKD 3-phase capacitors for filter applications. The capacitors cover a voltage range from 250 VRMS to 850 VRMS in 10 stages, and are available ...

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High-current inductor for automotive
10 October 2018, Würth Elektronik eiSos
Würth Elektronik eiSos has expanded its portfolio of AEC-Q-qualified products with a high-current inductor. The patented ferrite core design of the new power choke has an air gap optimally centred to ...

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High-power chip resistors
10 October 2018, Electrocomp
The new Bourns Model CHP ultra high-power thick film resistor series offers triple the rated power compared to general-purpose resistors. It comes in four different footprints from small 0603 (1608 metric) ...

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LAN 10/100 Base-T transformer
10 October 2018, Electrocomp
Bourns has introduced an additional LAN transformer - model SM13100EL – a single-port and LAN 10/100 Base-T / isolation transformer module that includes common mode chokes for noise rejection in Ethernet ...

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AC filter capacitors
15 August 2018, Electrocomp
TDK presents a new series of EPCOS MKP AC capacitors for filter applications. The components of the B33331V* series are designed for a rated voltage of 460 VRMS, corresponding to a peak voltage of 650 ...

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High-power current sense resistors
15 August 2018, Electrocomp
Bourns announced the introduction of its latest current sense resistor family, the Model CSM2F series which includes the CSM2F-8518, CSM2F-7036 and CSM2F-6918. This is Bourns’ range of high-powered ...

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