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T520V107M010ATE018

KEMET 100µF 10V T520 KO-CAP tantalum polymer SMD capacitor, 18mΩ ESR, 3.2A ripple, V-case, 105°C

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Manufacturer Part：

T520V107M010ATE018

Package：

V-Case SMD (7343-20, 7.3 x 4.3 x 1.9mm)

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Description

Product Overview

The T520V107M010ATE018 from KEMET is a 100µF 10V tantalum polymer capacitor from the T520 KO-CAP series. KO-CAP combines the low ESR of MLCCs, the high capacitance of aluminum electrolytics, and the volumetric efficiency of tantalum into a single surface-mount package. The 18mΩ ESR makes this capacitor ideal for high-ripple-current DC-DC converter output and bulk decoupling applications up to 12.8V rails.

Key Specifications

Manufacturer KEMET (YAGEO Group)
Capacitance 100 µF
Voltage Rating 10V DC
Type Tantalum Polymer (KO-CAP)
Series T520 (105°C Low ESR)
Tolerance ±20% (M)
ESR 18 mΩ max @ 100kHz
Ripple Current 3.2 A @ 100kHz (85°C)
Case Code V (7343-20, 7.3 x 4.3 x 1.9mm)
Operating Temperature -55°C to +105°C (derate 25% at 105°C)
Lifetime 2000 hours @ 105°C
Mounting Surface Mount (Molded Case, Inward L)
RoHS Compliant
MSL 3 (168 hours)

Features

  • 100µF 10V tantalum polymer KO-CAP capacitor
  • T520 series: ultra-low ESR, 105°C rated
  • 18 mΩ ESR @ 100kHz — one of the lowest ESR tantalum options
  • 3.2A ripple current capability
  • V-case (7343-20): 7.3 x 4.3 x 1.9mm compact SMD
  • Polymer cathode eliminates ignition failure mode
  • 100% surge current tested
  • RoHS compliant, MSL 3

Applications

  • DC-DC converter output bulk capacitance
  • FPGA and processor core voltage decoupling
  • Server and telecom power supply filtering
  • Point-of-load (POL) regulator output capacitors
  • Battery-powered device bulk decoupling

The T520V107M010ATE018 from KEMET is a 100µF 10V tantalum polymer capacitor from the T520 KO-CAP series. KO-CAP is KEMET’s brand name for their tantalum polymer capacitor family, which replaces the traditional manganese dioxide (MnO2) cathode with a conductive polymer cathode. This provides two key advantages: (1) ultra-low ESR — the 18mΩ of this part is approximately 10-50x lower than equivalent MnO2 tantalum capacitors, enabling much higher ripple current handling; and (2) no ignition failure mode — the polymer cathode does not sustain the exothermic reaction that can occur with MnO2 under fault conditions, making KO-CAP inherently safer. The T520 series is the general-purpose KO-CAP line, suitable for DC applications up to 12.8V rails (with voltage derating considerations).

The T520V107M010ATE018 operates as a solid tantalum polymer capacitor. The anode is made from sintered tantalum powder, which provides an enormous internal surface area (50-200 cm²/g depending on powder grade) for the dielectric formation. The tantalum pentoxide (Ta2O5) dielectric is grown by anodization to a thickness supporting the 10V rating (approximately 17nm/V → ~170nm oxide thickness). The conductive polymer cathode (typically PEDOT or polypyrrole) is applied by chemical polymerization, filling the porous tantalum structure and making electrical contact with the dielectric over the entire internal surface area. The polymer cathode’s high conductivity (10-100 S/cm vs MnO2’s 0.1-1 S/cm) is the source of the ultra-low ESR. Under fault conditions (reverse voltage or overvoltage), the polymer does not sustain combustion like MnO2, providing a safe failure mode (high-ESR or open circuit rather than ignition).

Pad Name Type Function
+ Anode Power Positive terminal; identified by stripe and beveled edge; connect to positive rail
– Cathode Ground Negative terminal; connect to ground plane
  • DC-DC Output: Bulk output capacitance for buck converters generating 5V/3.3V/1.8V where 100µF and 18mΩ ESR provide low output voltage ripple and fast transient response.
  • FPGA Decoupling: Core voltage (1.0V-1.8V) bulk decoupling where low ESR minimizes impedance at the load transient frequency.
  • Server Power: VRM output filtering in servers where 3.2A ripple capability and 10V rating suit 5V and 3.3V rails.
  • POL Converter: Point-of-load converter output with polymer tantalum providing stable capacitance (no voltage coefficient) compared to MLCCs.
Manufacturer Part Number Cap Volt Notes
AVX TPSV107M010R0180 100µF 10V OxiCap tantalum polymer
Panasonic 25TPE100M 100µF 10V POSCAP tantalum polymer
KEMET T520V107M010ATE040 100µF 10V Higher ESR version
KEMET T530V107M010ATE012 100µF 10V T530, even lower ESR (12mΩ)
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