NFM21HC104R1A3D Murata Electronics Filter (Other) In Stock
Murata Electronics NFM21HC104R1A3D is a high-performance feed-through capacitor in ultra-compact 0805 package measuring 2.0 mm × 1.25 mm × 0.85 mm. This 100 nF feed-through capacitor features 0.03 Ω maximum DC resistance and 1000 MΩ minimum insulation resistance, providing superior EMI filtering for power supplies, USB ports, and digital signal lines. Available in stock worldwide with reliable fast shipping.
- Manufacturer
- Murata Electronics
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- NFM21HC104R1A3D Datasheet PDF
- Category
- Filter
- Price
- From $0.0561(MOQ 99)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 0.03 Ω maximum DC resistance enables high-current power supply filtering without voltage drop
- 100 nF capacitance with integrated feed-through design filters high-frequency noise from 1 MHz to 1 GHz
- Compact 0805 footprint (2.0 mm × 1.25 mm) minimizes PCB area for dense USB and high-speed interface circuits
- RoHS compliant Pb-free with 1000 MΩ minimum insulation resistance for long-term reliability
Applications
The NFM21HC104R1A3D serves as a critical EMI filter component in USB 2.0 and 3.0 ports, eliminating high-frequency noise from digital signal lines and power supplies. Its ultra-low DC resistance makes it ideal for decoupling power distribution networks in microcontrollers and digital ASICs. The feed-through design handles 0.3 A typical surge current while maintaining filter performance across 1 MHz to 1 GHz frequency ranges in wireless transceivers and data communication interfaces.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 10Weeks |
| YTEOL | 7 |
| Additional Feature | C-TYPE CIRCUIT |
| Capacitance | 100000 µF |
| DC Resistance-Max | 0.03Ω |
| Filter Type | FEED THROUGH CAPACITOR |
| Height | 0.85mm |
| Insulation Resistance-Min | 1000MΩ |
| JESD-609 Code | e3 |
| Mounting Type | SURFACE MOUNT |
| Number of Functions | 1 |
| Packing Method | TAPE AND REEL |
| Rated Current | 2A |
| Rated Voltage | 10V |
| Screening Level | AEC-Q200 |
| Terminal Finish | Tin (Sn) - with Nickel (Ni) barrier |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8504.50.80.00 |
| Country of Origin | Japan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the 100 nF capacitance and 0.03 Ω DC resistance specification of the NFM21HC104R1A3D for power supply filtering?
The NFM21HC104R1A3D provides 100 nF capacitance with ultra-low 0.03 Ω maximum DC resistance, making it ideal for high-current power supply filtering and decoupling. The 100 nF value filters high-frequency noise from 1 MHz to 1 GHz, while the 0.03 Ω DC resistance minimizes voltage drop even at 3 A supply currents. Combined with 1000 MΩ minimum insulation resistance, this feed-through capacitor maintains signal integrity in high-speed digital circuits.
How does the NFM21HC104R1A3D's feed-through design benefit USB 3.0 port protection?
The NFM21HC104R1A3D's feed-through design places the capacitive element directly in series with signal lines, eliminating high-frequency EMI noise from USB 3.0 differential pairs operating at 5 Gbps. The 100 nF capacitance and 0.03 Ω DC resistance combination prevents impedance discontinuities that would cause signal reflections at 5 Gbps data rates. This configuration provides superior noise suppression compared to standard 0805 bypass capacitors while maintaining low insertion loss.
What is the maximum current handling capability and frequency range of the NFM21HC104R1A3D?
The NFM21HC104R1A3D is rated for 0.3 A typical surge current with effective filtering from 1 MHz to 1 GHz, covering power supply noise and high-speed digital signal interference. The ultra-low 0.03 Ω DC resistance enables continuous operation at 3 A power delivery without significant voltage drop. At 100 nF and 0.03 Ω, the feed-through design handles both DC power distribution and high-frequency noise rejection simultaneously.
How does the compact 0805 package size reduce PCB area compared to larger multi-pin filters?
The NFM21HC104R1A3D measures just 2.0 mm × 1.25 mm × 0.85 mm, requiring approximately 50% less PCB area than traditional 1206 or 0604 feed-through filters. This ultra-compact form factor fits seamlessly into high-density USB connector implementations and microcontroller power supply bypass networks. The single integrated feed-through structure replaces multiple discrete bypass capacitors, reducing component count and assembly cost in space-constrained mobile device and wearable applications.
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About Murata Electronics
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 99+ | $0.0642 | $6.36 |
| 4000+ | $0.0589 | $235.52 |
| 8000+ | $0.0580 | $464.00 |
| 24000+ | $0.0579 | $1389.60 |
| 32000+ | $0.0568 | $1816.00 |
| 64000+ | $0.0561 | $3588.48 |
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