EEE-0JA220NR Panasonic Capacitor Polarised (Other) In Stock
Panasonic EEE-0JA220NR is a 22 µF 6.3 V bipolar aluminum electrolytic capacitor in an SMD surface-mount package from the VS series. The non-polarized bipolar construction allows safe operation in AC or reversing-voltage signal paths. Suitable for audio coupling, signal filtering, and servo feedback networks in consumer and industrial electronics.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-0JA220NR Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 22 µF capacitance at 6.3 V rated voltage in a bipolar (non-polarized) configuration for AC signal paths
- Bipolar electrode construction allows voltage reversal without risk of oxide degradation
- SMD surface-mount package enables automated high-density PCB assembly via reflow soldering
- Panasonic VS series offers consistent long-term reliability and stable capacitance over operating life
- Low-profile SMD form factor suits compact audio boards and signal-processing modules
Applications
The EEE-0JA220NR is used in audio amplifier coupling stages, servo motor feedback networks, and AC signal filtering circuits where the voltage across the capacitor can reverse polarity. Its bipolar construction and 22 µF capacitance make it ideal for crossover networks in loudspeaker systems and for bypassing in audio pre-amplifiers operating at 6 V or less. The SMD package integrates cleanly into densely populated consumer electronics boards including portable media players and compact audio receivers.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for EEE-0JA220NR:
Aluminum Electrolytic Capacitor, Non-polarized, Aluminum (wet), 6.3V, 20% +Tol, 20% -Tol, 22uF, Surface Mount, 2121
Frequently Asked Questions
Why is the bipolar construction of the EEE-0JA220NR important for audio coupling applications?
In AC-coupled audio signal paths the voltage across a coupling capacitor alternates between positive and negative polarities with each audio cycle. A standard polarized electrolytic capacitor would be damaged by reverse voltage even at a few hundred millivolts. The EEE-0JA220NR's bipolar construction, using two oxide layers back-to-back, can withstand voltage reversal up to its rated 6.3 V, making it safe for coupling between audio stages with no DC bias across the capacitor.
What capacitance and voltage rating does the EEE-0JA220NR offer, and what circuit constraints does this create?
The EEE-0JA220NR is rated at 22 µF and 6.3 V. With a 6.3 V maximum voltage rating, this capacitor must only be used in circuits where the peak voltage, including any AC swing and DC offset, remains below 6.3 V. The 22 µF value sets the low-frequency -3 dB corner: paired with an 8 Ω speaker load it produces a high-pass cutoff of approximately 907 Hz, requiring a larger capacitance for full-range audio bass reproduction.
How does the EEE-0JA220NR SMD package compare to radial through-hole bipolar electrolytic capacitors in production environments?
The SMD package of the EEE-0JA220NR is compatible with standard reflow soldering and pick-and-place machinery, reducing assembly labor compared to manually inserting and wave-soldering radial through-hole bipolar electrolytic capacitors. In high-volume consumer audio manufacturing with line speeds exceeding 500 placements per minute, SMD capacitors like this one integrate seamlessly into fully automated SMT lines, whereas through-hole parts require a separate insertion and soldering step that can add 5 to 15 seconds per board.
Can the EEE-0JA220NR be used in a DC circuit, and what polarity rules apply?
Yes, a bipolar aluminum electrolytic can be used in a DC circuit, but it must be derated: the applied DC voltage must not exceed 6.3 V, and unlike a regular polarized electrolytic, either terminal may be at the higher potential. However, for pure DC bulk decoupling where polarity is fixed, a standard polarized 22 µF capacitor of the same voltage rating is generally preferred because it offers lower equivalent series resistance (ESR) and higher ripple current capability at the same capacitance value.
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