Tantalum Capacitor
A look at what is currently available on eBay
 50 TANTALUM CAPACITORS AXIAAL 1 UF 20 VOLT US $7.99 
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 40 TANTALUM CAPACITORS AXIAAL 0.68 UF 35 VOLT US $7.99
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 50 TANTALUM CAPACITORS AXIAAL 0.33 UF 35 VOLT US $7.99
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 30 TANTALUM CAPACITORS AXIAAL 6.8 UF 25 VOLT US $7.99
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 40 TANTALUM CAPACITORS AXIAAL 3.3 UF 35 VOLT US $7.99
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 100 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A US $19.99
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 1000 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A US $119.99
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 125pcs Vishay Case D 100uF 6.3V Tantalum Capacitor: Fast ship US $10.50
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 200 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A US $39.99
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 2.2uf mfd Tantalum Capacitors 16V Radial (10 Qty) US $2.89
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 Sprague Tantalum Capacitor 22uf 6V Axial Qty 6 US $6.50
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 Dip Tantalum Capacitor 10uf 35V Qty 14 US $12.50
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 8.2uf 35V Tantalum Capacitor Sprague CS13BF825K Qty 5 US $9.99
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 50 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A US $11.99
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 Sprague Dip Tantalum Capacitor 10uf 50V Radial Qty 6 US $9.99
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 Sprague Tantalum Capacitor 18uf 15V Axial Qty 6 US $6.50
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 Sprague Tantalum Capacitor 15uf 6V Axial Qty 7 LAST ONES US $6.50
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 Sprague Tantalum Capacitor 1.5uf 35V Axial Qty 6 US $6.50
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 500 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A US $74.99
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 Capacitor Kemet 6.8uf ±10% 35V Tantalum SMT-2312 Qty 10 US $6.50
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 125pcs Kemet Case C 100uF 6.3V Tantalum Capacitor: Fast ship US $10.00
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What is the upside to using tantalum capacitors over electrolytic ones?
It seems like added cost for the same specs, but then again if that were true then no one would buy them and they'd become obsolete. Thanks for the help.
1. Lower effective series resistance.
2. They usually have longer life, especially at moderately elevated temperatures.
3. For surface mount devices, they are generally smaller.
4. more accurate than aluminum electrolytic
5. very stable capacitance
6. little DC leakage
7. very low impedance at high frequencies
However, unlike aluminum electrolytics, they are intolerant of voltage spikes and are destroyed (often exploding violently) if connected in the circuit backwards or exposed to spikes above their voltage rating.
Tantalum capacitors are more expensive than aluminum-based capacitors and generally only usable at low voltage.
Items recently purchased from this site
10000 PCS 10UF 16V B 3528-21 SMD Tantalum capacitor 106, 6700x SPRAGUE 10UF 16VDC 20% TANTALUM CAPACITOR RADIAL, F931C226KCC nichicon tantalum chip capacitor, Kemet Tantalum capacitors 6.8uF approx lot of 2870, 10,000 KEMET SURFACE MT TANTALUM CAPACITOR-150uF/10V, 2500 Kemet 10uF 10% 10V Tantalum Capacitors, AVX SURFACE CAP 0.1UF/25V & TANTALUM CAPACITOR-47uF/10V, SPRAGUE 195D686X9006H2T Tantalum Capacitors - Solid SMD - 68uF 6V- 2400 pcs , 202L-2502-225KC NCC AND T356B225K025AS TANTALUM CAPACITOR-2.2UF 25V- 15,500 PCS, 100 NEW KEMET T510X477K006AS TANTALUM CAPACITORS LOW ESR 470UF 6V T510 SERIES, T396J476M016AS TANTALUM CAPACITOR- 47UF 16V 20%-1000PCS, HV Power Supply Transformer + Capacitors Tantalum 700mF, 120uf 50V Wet Tantalum Capacitor Axial Leads - Lot of 300, AVX * TPSE227M016R0100 TANTALUM CAPACITORS *LOT OF 400*, GARRETT DESIGN KIT AVX SM CAP KIT AVXCAPT32S25 SURFACE MOUNT TANTALUM CAPACITORS, T353A105M020AS TANTALUM DIPPED CAPACITOR-1UF 20V-6200PC, 500pc TAJD685K050R AVX Tantalum Capacitor 6.8uf 10% 50v, 120uf 50V Wet Tantalum Capacitor Axial Leads - Lot of 200, NIC NTC-T685M25TRC 6.8uF 25V SURFACE MOUNT TANTALUM CAPACITOR - NEW 10,000 PCS, T350A274K035AS TANTALUM CAPACITOR- 0.27UF 35V 10% - 6000 PCS, 500 pc reel T496D107K010AS Tantalum Capacitor 100uf 10v 10% D Case, 2000PCS smd cap 20V4.7UF Tantalum capacitor a, 2000PCS smd pcb mount cap 10V4.7UF Tantalum capacitor a, KOA TMC1AB106MBRH SURFACE MOUNT TANTALUM CAPACITOR-10uF/10V- 8,000 pcs, avx chip Tantalum capacitor 10uF 35V 7343 500pcs , 2000 SMD case A Tantalum Capacitor 105 10uF 16V 20% NEC, NEC NPB225M10 TANTALUM CAPACITOR-2.2UF 10V- 10,000 PCS, VISHAY TantaPak Spargue Tantalum Capacitor 202D 1600μF , 202L-1002-475KC NCC TANTALUM CAPACITOR-4.7UF 10V-6000PC, 1000 PCS 10UF 16V B 3528-21 SMD Tantalum capacitor 106, 400 Nemco LSR 68uF 10% 20V SMT Tantalum Capacitors, 500 PCS 47UF 16V C 6032-28 SMD Tantalum capacitor 476C SMT /Free Registered Mail, TWO) MATCHED PAIR MALLORY 10MFD 375 VDC XT10-375A Silver Tantalum Capacitor NOS , Capacitor Tantalum 10UF 16V 20% 1210 , Lot of 220 (11x20) Kemet P/N T212C226K035MS Tantalum Capacitors 22uF, 1.0uF 1.0 uF35v B Case Tantalum Capacitors (2000 Pcs), 500 PCS 10UF 35V DIP-2 Tantalum capacitor 106/35V /FREE Registered Mail, Lot of (499) Kemet T491D335M050AT 3.3uF/50V D-Case, Tantalum Capacitors, SMD 22uf 10v B Case size Tantalum Capacitors (2000 PCS), SMD 10uF 16v B Case size Tantalum Capacitors (Qty 2000) ***NEW***, avx chip Tantalum capacitor 1uF 35V 3528 2000pcs , 2000 PCS 10UF 16V A CASE 3216-18 SMD 1206 Tantalum capacitor /FREE Register Mail, NEW: Full Reel 500pcs 100uf 16V Tantalum Capacitor SMD Quality Sprague/Vishay, Kemet 1uF 20% 35V tantalum SMT capacitors, reel/1900, 120uf 50V Wet Tantalum Capacitor Axial Leads - Lot of 100, 295 pcs reel - AVX# TPSE686K020R0150 Capacitor Tantalum 68uF NEW, avx chip Tantalum capacitor 1uF 16V 3216 2000pcs , avx chip Tantalum capacitor 10uF 16V 3216 2000pcs , avx chip Tantalum capacitor 4.7uF 16V 3216 2000pcs , Reel Of 1500 Kemet 100uF Tantalum Capacitors 6.3V 20%, 500 NEW KEMET T494C685K016AS SOLID TANTALUM CHIP CAPACITORS LOW ESR 16V 6.8UF, 250 PCS 6.8UF 35V DIP Tantalum capacitor 685/35V, avx chip Tantalum capacitor 100uF 10V 6032 500pcs , 1000) NEW 22uF 16v 20% Tantalum Capacitors Kemet T352 5.08mm Lead Spacing, 1674 AVX TAJ 2.2uF 10% 25V SMT Tantalum Capacitors, TWO) MATCHED PAIR MALLORY 12MFD 300 VDC XT12-300A Silver Tantalum Capacitor NOS , 300 PCS 47UF 16V D 7343-31 SMD Tantalum capacitor 476 SMT /FREE Registered Mail, SMD 47uF 47 uF 10V D Case Tantalum Capacitors 500 Pcs, Qty-750 PANASONIC PCS6685TR TANTALUM CAPACITORS, 1000 PCS 1UF 35V DIP-2 Tantalum capacitor 105/35V /FREE Registered Mail, SMD 10uF 10 uF 16v C Case Tantalum Capacitors 3000 Pcs, 160 MALLORY Tantalum Capacitor 10UF 35V 10% RADIAL # TDC106K035NSF-F *New*, 500 PCS 22UF 16V B 3528-21 SMD Tantalum capacitor 226, avx chip Tantalum capacitor 10uF 25V 6032 500pcs , Tantalum Oxide Thin Films for Embedded Capacitors NEW, PKG1000, 1UF 50V Tantalum Capacitor for TS-9 TS-808 MOD, 2000 AVX 4.7uF 10% 16V SMT Tantalum Capacitors, Lot Tantalum Capacitors 4.7uF 10% 25V T91C475K025AT, 1100x 1UF 16V A 3216-18 SMD 1206 Tantalum capacitor 105, AVX TANTALUM CAPACITORS TPSC106K025R0500 10uF/25V 10% , 441x Sprague Tantalum Capacitor 1uF 293D105X9050C2T, 200 PCS 22UF 35V DIP Tantalum capacitor 226/35V /FREE registered mail, 120uf 50V Wet Tantalum Capacitor Axial Leads - Lot of 50, Tantapak Sprague Tantalum Capacitor Plate 1000MFD, 1000 pcs AVX Tantalum SMD Capacitor 10uf 16v 3216 A, 200 PCS 4.7UF 25V SMB 3528-21 SMT Tantalum capacitor 475 NEW /Free Register Mail, 500PCS 16V 10UF Tantalum Capacitor for TS-9 TS-808 MODS NEW m, 500PCS 35V 1UF Tantalum Capacitor for TS-9 TS-808 MODS NEW m, 500PCS 35V 4.7UF Tantalum Capacitor for TS-9 TS-808 MODS NEW m, 370x NIC Solid Tantalum Capacitor 1uF NTC-T105M50TRC, Kemet, 3.3uF, 10%, 15V, tantalum, capacitors, lot/1000, 1700 KEMET TANTALUM CAPACITOR # T494A476M006AS 47UF 6.3V 20% SIZE 3216 *New*, 2000 Kemet T491 2.2uF 16V 20% Tantalum Chip Capacitors, 2000 Kemet T491 3.3uF 10% 20V SMT Tantalum Capacitors, Lot of (500) Taped Kemet 10uF/16V 10% Radial Tantalum Capacitors, Lot of (1700) Kemet, T491B225K025AT, 2.2uf/25V, Case-B, Tantalum Capacitors, Lot of (600) Kemet T491B226K020AT, 22uF/20V, D-Case, Tantalum Capacitors, Lot of (600) Kemet T491D476K010AT 47uF/10F, D-Case, Tantalum Capacitors, Lot of (446) Kemet T491D226M025AT 22uF/25V D-Case, Tantalum Capacitors, Lot of (500) Kemet T491d476m020AT 47uF/20V D-Case, Tantalum Capacitors, 2000 PCS NEW KEMET Tantalum CAPACITORS 10uf 10v, Lot Tantalum Capacitors 100uF 20% 16V TPSD107M016R0125, Lot 500 Tantalum Capacitor T496C106K016AS Kemet 10UF16V, 100pc Tantalum Capacitor 100uf 10v 10% D case, PANASONIC EEJL0JD157R CAPACITOR TANTALUM 150uF SMD 450p, 1000 pcs AVX 10uF 16V 3216-18 A CASE SMD Tantalum Capacitor, avx chip Tantalum capacitor 10uF 20V 3528 500pcs ,
November 21st, 2008 in
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