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420MXK150MEFCSN22X30
Part Number 420MXK150MEFCSN22X30
Manufacturer Rubycon
Description CAP ALUM 150UF 20% 420V SNAP
Quantity Available 15999 pcs new original in stock.
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Technical Information of 420MXK150MEFCSN22X30
Manufacturer Part Number 420MXK150MEFCSN22X30 Category Capacitors
Manufacturer Rubycon Description CAP ALUM 150UF 20% 420V SNAP
Package / Case Radial, Can - Snap-In Quantity Available 15999 pcs
Voltage - Rated 420 V Tolerance ±20%
Surface Mount Land Size - Size / Dimension 0.866' Dia (22.00mm)
Series MXK Ripple Current @ Low Frequency 1.1 A @ 120 Hz
Ripple Current @ High Frequency 1.54 A @ 10 kHz Ratings -
Polarization Polar Package / Case Radial, Can - Snap-In
Package Bulk Operating Temperature -25°C ~ 105°C
Mounting Type Through Hole Lifetime @ Temp. 3000 Hrs @ 105°C
Lead Spacing 0.394' (10.00mm) Height - Seated (Max) 1.260' (32.00mm)
ESR (Equivalent Series Resistance) - Capacitance 150 µF
Applications General Purpose  
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Frequently Asked Questions

  • How does the 420 V rated voltage in the 420MXK150MEFCSN22X30 capacitor affect the selection of components in high-voltage DC link circuits? The 420 V rated voltage in the 420MXK150MEFCSN22X30 ensures reliable operation in environments where supply voltages may transiently exceed nominal levels, providing headroom that helps prevent overvoltage failures in power electronics designs.
  • In what way does the 150 µF capacitance specification of the 420MXK150MEFCSN22X30 contribute to the performance of rectifier filtering stages? The 150 µF capacitance of the 420MXK150MEFCSN22X30 effectively reduces ripple in rectified AC inputs by storing charge during peaks and releasing during troughs, which is particularly beneficial in low-frequency applications where the capacitor's ESR would otherwise dominate losses.
  • What design implications result from the ±20% tolerance on the 150 µF rating of the 420MXK150MEFCSN22X30 when optimizing for minimal component count? The ±20% tolerance of the 420MXK150MEFCSN22X30 necessitates conservative calculations in capacitance-dependent filters, often leading to slightly higher values in parallel combinations to achieve the desired cutoff frequency despite variations.
  • How does the 3000 Hrs @ 105°C lifetime rating of the 420MXK150MEFCSN22X30 influence the expected operational lifespan in temperature-variable environments? The 3000 Hrs @ 105°C lifetime of the 420MXK150MEFCSN22X30 allows for thermal modeling using accelerated life tests, where derating the maximum temperature below 105°C can extend the effective service life beyond the nominal value.
  • In which circuit architectures would the -25°C to 105°C operating temperature range of the 420MXK150MEFCSN22X30 pose limitations? The -25°C to 105°C operating temperature range of the 420MXK150MEFCSN22X30 suits many embedded systems but may require supplemental heating or over-specification in cold-climate industrial setups where temperatures dip below -25°C.
  • How does the ripple current of 1.1 A @ 120 Hz in the 420MXK150MEFCSN22X30 impact heat dissipation requirements in low-frequency power supplies? The 1.1 A @ 120 Hz ripple current rating of the 420MXK150MEFCSN22X30 indicates the need for adequate thermal management paths, as higher ripple currents generate more internal heat, potentially requiring larger heatsinks or airflow in chassis-mounted applications.
  • What advantages does the through-hole snap-in mounting of the 420MXK150MEFCSN22X30 offer over surface mount alternatives in prototype development? The through-hole snap-in mounting of the 420MXK150MEFCSN22X30 simplifies assembly in low-volume prototypes by eliminating precise soldering reflow steps, while the 10.00 mm lead spacing aids in manual handling and alignment during initial testing.
  • How does the 0.866" diameter and 1.260" height of the 420MXK150MEFCSN22X30 constrain board layout in space-sensitive designs? The 0.866" diameter and 1.260" height of the 420MXK150MEFCSN22X30 typically require additional clearance around the snap-in can for leads and potential ventilation, influencing placement in compact through-hole boards.
  • When evaluating the 420MXK150MEFCSN22X30 against the 315MXC150MEFC22X30 for similar 150 µF 420 V roles, what key differences in electrical characteristics should be considered? For applications involving the 420MXK150MEFCSN22X30 compared to the 315MXC150MEFC22X30, the former's higher voltage rating supports circuits with elevated stress, though differences in series construction may affect ESR and ripple current performance, guiding selection based on specific load profiles.
  • In the context of component migration, how does the lead spacing of 0.394" (10.00 mm) in the 420MXK150MEFCSN22X30 relate to compatibility with the 381LR151M420J032? The 0.394" lead spacing of the 420MXK150MEFCSN22X30 aligns with standard snap-in dimensions, facilitating form-fit compatibility when replacing the 381LR151M420J032 in designs originally using similar 150 µF 420 V electrolytic capacitors.
  • What considerations should guide the choice of the 420MXK150MEFCSN22X30 over lower voltage rated capacitors in consumer electronics applications? The elevated 420 V rating of the 420MXK150MEFCSN22X30 provides unnecessary margin for standard line voltages in consumer products, potentially increasing cost or size without benefit, making it more suitable for industrial or automotive power stages where transient voltages are higher.
  • How does the polarized nature of the 420MXK150MEFCSN22X30 capacitor influence wiring and polarity management in DC circuit designs? The polarized construction of the 420MXK150MEFCSN22X30 requires strict adherence to correct polarity during installation to avoid reverse bias conditions that could lead to premature failure, a critical factor in all DC applications.
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