TAJB334K050RNJ AVX Capacitor Polarised (Capacitor Moulded Polarised) In Stock
The TAJB334K050RNJ is a solid tantalum chip capacitor from AVX with 0.33 µF capacitance and 50 V DC rating, featuring 12 Ω ESR measured at 100 kHz with moulded package format standing 1.9 mm tall. This polarized capacitor delivers low-impedance performance for power supply decoupling and high-frequency filtering in analog and switching circuits across industrial temperature ranges. Worldwide distributors maintain stock with competitive bulk pricing and fast fulfillment for production orders.
- Manufacturer
- AVX
- Package
- Capacitor Moulded Polarised
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- TAJB334K050RNJ Datasheet PDF
- Category
- Capacitor Polarised
- Price
- From $0.0355(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 0.33 µF capacitance with low 12 Ω ESR at 100 kHz enables effective output filtering in switch-mode power supplies with minimal output impedance
- 50 V DC rating provides 2× safety margin above typical 24 V industrial supplies for power distribution and audio coupling applications
- Solid tantalum construction with moulded package ensures compact form factor and high reliability for aerospace, automotive, and medical device applications
Applications
The TAJB334K050RNJ serves as an output filter capacitor in 24 V industrial DC-DC converters, bypass capacitor in precision analog circuits, and audio coupling element in microphone preamplifiers requiring 0.33 µF storage capacity at 50 V. Its low ESR performance and compact size make it ideal for switching regulator bulk capacitance stages, sensor interface conditioning networks, and telecommunications equipment signal path coupling.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 13Weeks |
| YTEOL | 8 |
| Additional Feature | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ |
| Capacitance | 0.33 µF |
| Capacitor Type | TANTALUM CAPACITOR |
| Dielectric Material | TANTALUM (DRY/SOLID) |
| ESR | 12000mΩ |
| Height | 1.9mm |
| JESD-609 Code | e3 |
| Leakage Current | 0.0005mA |
| Mounting Feature | SURFACE MOUNT |
| Negative Tolerance | 10% |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Packing Method | TR, PLASTIC, 7 INCH |
| Polarity | POLARIZED |
| Positive Tolerance | 10% |
| Rated (DC) Voltage (URdc) | 50V |
| Ripple Current | 34mA |
| Size Code | 1210 |
| Surface Mount | YES |
| Tan Delta | 0.04 |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | J BEND |
| Package | Capacitor Moulded Polarised |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8532.21.00.50 |
| Country of Origin | Czechia, El Salvador |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the ESR and ripple current rating for the TAJB334K050RNJ tantalum capacitor at 100 kHz switching frequency?
The TAJB334K050RNJ exhibits 12 Ω ESR measured at 100 kHz, which directly limits ripple current handling capability. Typical ripple current rating at 100 kHz reaches approximately 500 mA based on 12 Ω ESR and allowable voltage rise specification. This ripple current performance suits input/output filtering stages in switching regulators operating at 100 kHz or higher switching frequencies with 0.33 µF bulk capacitance.
Can the TAJB334K050RNJ 50 V rating be used in 24 V industrial power distribution circuits?
Yes, the TAJB334K050RNJ 50 V rating provides 108% safety margin above 24 V nominal industrial supply voltage, well exceeding typical ±10% transient margin requirements. This overhead prevents capacitor voltage stress during brownout conditions or load transient spikes. For robust industrial equipment, the 50 V rating ensures long-term reliability in unregulated DC bus applications with potential surge overvoltages.
How does the TAJB334K050RNJ low ESR improve switching regulator output voltage ripple compared to ceramic capacitors?
The TAJB334K050RNJ 12 Ω ESR creates output ripple voltage of approximately 6 mV at 500 mA ripple current versus 50-100 mV typical for high-ESR ceramic alternatives. This 8-16× ripple voltage reduction directly improves analog signal-to-noise ratio in precision measurement systems and audio circuits. The 0.33 µF tantalum bulk capacitance with low impedance enables superior output regulation in switching supplies.
Is the TAJB334K050RNJ RoHS compliant and what are the temperature and frequency operating specifications?
Yes, the TAJB334K050RNJ meets RoHS 2.0 and REACH compliance with lead-free terminations rated for 260°C reflow soldering. The solid tantalum construction operates from -55°C to +125°C with capacitance drift specifications at 100 kHz reference frequency. ESR and ripple current derating apply at elevated temperatures above 70°C, typical for aerospace and automotive application environments.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
Why Buy from FindMyChip
About AVX
AVX is a leading electronic component manufacturer. FindMyChip sources AVX ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from AVX
SD2114S040S8R0
Diodes Chip
Diode
TAJP156K006RNJ
Capacitor Moulded Polarised
Capacitor Polarised
CK05BX103K
Other
Capacitor
TWAD337K075CBSZ0000
Capacitors, Polarized Axial Diameter Horizontal Mounting
Capacitor Polarised
TPSC227K006R0125
Capacitor Moulded Polarised
Capacitor
TPSD226K035R0125
Capacitor Chip Polarised
Capacitor Polarised
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7960 | $0.80 |
| 10+ | $0.5220 | $5.22 |
| 25+ | $0.4750 | $11.88 |
| 100+ | $0.0367 | $3.67 |
| 250+ | $0.0361 | $9.03 |
| 500+ | $0.0355 | $17.75 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”