Automotive Grade IHLE Integrated E-Field Shield Inductors Provide Excellent Attenuation of Noise in High Current Filtering Applications
Vishay Intertechnology, Inc. has expanded its IHLE series of low profile, high current inductors with two new devicesIHLE-2020CD-51andIHLE-2020CD-5Ain the 5mm by 5mm by 3.4mm 2020 case size that feature integrated E-field shields for the reduction of EMI. These new commercial and automotive grade devices are optimized for energy storage in DC/DC converters up to 3 MHz and provide excellent attenuation of noise in high current filtering applications up to the SRF of the inductor.
Featuring high-temperature operation to +155°C and coplanarity of their four terminals within ≤ 100 µm, these devices contain the electric and B field associated with EMI in a tin-plated copper integrated shield, providing up to -20 dB of electric field reduction at 1 cm when the integrated shield is connected to ground.
Features
High temperature, continuous operation up to 155°C
Patented shielded construction
Excellent DC/DC energy storage up to 2 MHz
Filter inductor applications up the SRF (see standard electrical specifications table)
Integrated E-Field shield eliminates the need for separate shielding
Up to 20 dB E-Field reduction at 1 cm - Measured vertically from top center of device
B-Field is contained by powdered iron encapsulation
Low DCR/μH
Handles high transient current spikes without saturation
AEC-Q200 qualified
Applications for the IHLE-2020CD-51 will include servers and desktop PCs; notebooks; high current POL converters; low profile, high current power supplies; FPGAs; and battery-powered devices. The AEC-Q200 qualified IHLE-2020CD-5A will be used in automotive engine and transmission control units; entertainment/navigation systems; LED drivers; instrumentation panels; ADAS devices/sensors; and noise suppression for PWM-controlled motors.