Looking for an AVX TAJ replacement? Discover reliable alternatives with lower cost, shorter lead time, and proven industrial quality.
If you are currently using AVX TAJ series tantalum capacitors, you may already be experiencing several challenges in today’s market:
Long lead times
Increasing component costs
Supply chain uncertainty
These issues can delay production, disrupt planning, and increase overall project risk.
So the key question is:
Can you replace AVX TAJ capacitors with a reliable alternative without compromising quality?
The answer is yes — if you choose the right solution.
In this guide, we will walk you through how to safely replace AVX TAJ capacitors, what parameters to check, and how to reduce cost while maintaining reliability.
In recent years, more OEMs, EMS companies, and distributors are actively searching for alternatives. The main reasons include:
1. Long Lead Time
Global supply shortages have pushed delivery times to 20–30 weeks or even longer.
2. High Cost
Tier-1 brands like AVX often come with premium pricing.
3. Supply Chain Risk
Relying on a single brand increases vulnerability in unstable market conditions.
As a result, more companies are adopting multi-sourcing strategies.
Yes, but replacement must be done carefully.
Before selecting an alternative, you must verify the following key parameters:
Capacitance
Rated voltage
Case size (A/B/C/D/E)
ESR (Equivalent Series Resistance)
Leakage current
Tantalum capacitors require proper derating (typically 50%) to avoid failure risks such as breakdown or ignition.
A good replacement is not just about matching specifications — it should also improve supply flexibility and cost efficiency.
UF CA45 Series (TAJ Equivalent)
High-quality alternatives like CA45 series provide:
- Stable industrial-grade performance
- Competitive pricing
- Shorter lead time (typically 4–6 weeks)
- Strong application support
Widely used in:
○ Power meters
○ Industrial control systems
○ Power supply designs
Many global customers have successfully replaced AVX TAJ with UF CA45 series without performance loss.
This comparison clearly shows why more buyers are switching to alternative solutions.
|
Item |
AVX TAJ |
UF Alternative (CA45 Equivalent) |
|
Lead Time |
20+ weeks |
4–6 weeks |
|
Price |
High |
More competitive |
|
Quality |
Stable |
Industrial grade |
|
Flexibility |
Limited |
High |
|
Supply Risk |
High |
Lower |
When selecting alternatives, avoid these common mistakes:
Operating at full voltage significantly increases failure risk.
Incorrect ESR can cause instability in circuits.
Low-cost components may pass initial tests but fail in long-term use.
Key Insight: Choosing the lowest price without considering reliability may lead to higher total cost.
Alternative tantalum capacitors are widely used in:
Power supply systems
Smart meters (electricity, water, gas)
Industrial control boards
Telecommunications equipment
These applications require high reliability, low failure rates, and long service life.
If you are looking for a reliable AVX TAJ replacement, send us your part number or datasheet
and share application details. We will recommend the best solution within 24 hours.
karin@ufcapacitors.com Website: www.ufcapacitors.com
|
Part Number |
Brand |
UFCapacitors Description |
UF Capacitors Part Number |
|
TAJA105K016RNJ |
AVX |
CA45 1uF 16V +/-10% Case A T&R RoHS |
CA45T105K0016000AR000 |
|
TAJA105K025RNJ |
AVX |
CA45 1uF 25V +/-10% Case A T&R RoHS |
CA45T105K0025000AR000 |
|
TAJA105K035RNJ |
AVX |
CA45 1uF 35V +/-10% Case A T&R RoHS |
CA45T105K0035000AR000 |
|
TAJA106K006RNJ |
AVX |
CA45 10uF 6.3V +/-10% Case A T&R RoHS |
CA45T106K0006000AR000 |
|
TAJA106K010RNJ |
AVX |
CA45 10uF 10V +/-10% Case A T&R RoHS |
CA45T106K0010000AR000 |
|
TAJA106K016RNJ |
AVX |
CA45 10uF 16V +/-10% Case A T&R RoHS |
CA45T106K0016000AR000 |
|
TAJA156K010RNJ |
AVX |
CA45 15uF 10V +/-10% Case A T&R RoHS |
CA45T156K0010000AR000 |
|
TAJA225K010RNJ |
AVX |
CA45 2.2uF 10V +/-10% Case A T&R RoHS |
CA45T225K0010000AR000 |
|
TAJA225K016RNJ |
AVX |
CA45 2.2uF 16V +/-10% Case A T&R RoHS |
CA45T225K0016000AR000 |
|
TAJA475K010RNJ |
AVX |
CA45 4.7uF 10V +/-10% Case A T&R RoHS |
CA45T475K0010000AR000 |
|
TAJB106K006RNJ |
AVX |
CA45 10uF 6.3V 10% Case B T&R RoHS |
CA45T106K0006000BR000 |
|
TAJB106K010RNJ |
AVX |
CA45 10uF 10V +/-10% Case B T&R RoHS |
CA45T106K0010000BR000 |
|
TAJB106K025RNJ |
AVX |
CA45 10uF 25V +/-10% Case B T&R RoHS |
CA45T106K0025000BR000 |
|
TAJB107K006RNJ |
AVX |
CA45 100uF 6.3V +/-10% Case B T&R RoHS |
CA45T107K0006000BR000 |
|
TAJB226K006RNJ |
AVX |
CA45 22uF 6.3V +/-10% Case B T&R RoHS |
CA45T226K0006000BR000 |
|
TAJB226K016RNJ |
AVX |
CA45 22uF 16V +/-10% Case B T&R RoHS |
CA45T226K0016000BR000 |
|
TAJB475K016RNJ |
AVX |
CA45 4.7uF 16V +/-10% Case B T&R RoHS |
CA45T475K0016000BR000 |
|
TAJB475K025RNJ |
AVX |
CA45 4.7uF 25V +/-10% Case B T&R RoHS |
CA45T475K0025000BR000 |
|
TAJB475K035RNJ |
AVX |
CA45 4.7uF 35V +/-10% Case B T&R RoHS |
CA45T475K0035000BR000 |
|
TAJB686K006RNJ |
AVX |
CA45 68uF 6.3V +/-10% Case B T&R RoHS |
CA45T686K0006000BR000 |
|
TAJC105K050RNJ |
AVX |
CA45 1uF 50V +/-10% Case C T&R RoHS |
CA45T105K0050000CR000 |
|
TAJC106K016RNJ |
AVX |
CA45 10uF 16V +/-10% Case C T&R RoHS |
CA45T106K0016000CR000 |
|
TAJC106K025RNJ |
AVX |
CA45 10uF 25V +/-10% Case C T&R RoHS |
CA45T106K0025000CR000 |
|
TAJC225K035RNJ |
AVX |
CA45 2.2uF 35V +/-10% Case C T&R RoHS |
CA45T225K0035000CR000 |
|
TAJC226K020RNJ |
AVX |
CA45 22uF 20V +/-10% Case C T&R RoHS |
CA45T226K0020000CR000 |
|
TAJC476K016RNJ |
AVX |
CA45 47uF 16V +/-10% Case C T&R RoHS |
CA45T476K0016000CR000 |
|
TAJD106K035RNJ |
AVX |
CA45 10uF 35V +/-10% Case D T&R RoHS |
CA45T106K0035000DR000 |
|
TAJD107K006RNJ |
AVX |
CA45 100uF 6.3V +/-10% Case D T&R RoHS |
CA45T107K0006000DR000 |
|
TAJD107K016RNJ |
AVX |
CA45 100uF 16V +/-10% Case D T&R RoHS |
CA45T107K0016000DR000 |
|
TAJD108K004RNJ |
AVX |
CA45 1000uF 4V +/-10% Case D T&R RoHS |
CA45T108K0004000DR000 |
|
TAJD157K010RNJ |
AVX |
CA45 150uF 10V +/-10% Case D T&R RoHS |
CA45T157K0010000DR000 |
|
TAJD226K035RNJ |
AVX |
CA45 22uF 35V +/-10% Case D T&R RoHS |
CA45T226K0035000DR000 |
|
TAJD227K010RNJ |
AVX |
CA45 220uF 10V +/-10% Case D T&R RoHS |
CA45T227K0010000DR000 |
|
TAJD475K035RNJ |
AVX |
CA45 4.7uF 35V +/-10% Case D T&R RoHS |
CA45T475K0035000DR000 |
|
TAJD476K010RNJ |
AVX |
CA45 47uF 10V +/-10% Case D T&R RoHS |
CA45T476K0010000DR000 |
|
TAJD476K025RNJ |
AVX |
CA45 47uF 25V +/-10% Case D T&R RoHS |
CA45T476K0025000DR000 |
|
TAJD477K006RNJ |
AVX |
CA45 470uF 6.3V +/-10% Case D T&R RoHS |
CA45T477K0006000DR000 |
|
TAJD686K016RNJ |
AVX |
CA45 68uF 16V +/-10% Case D T&R RoHS |
CA45T686K0016000DR000 |