component
T491A154K035AT
Public Made by Adomby adom
KEMET Tantalum Capacitors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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T491A154K035AT
KEMET · Tantalum Capacitors · 1206
T491A154K035AT from KEMET, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KEMET |
| Package | 1206 |
| Category | Capacitors |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Rated capacitance | 0.15 | µF | at 120 Hz/25°C | 12 | |||
| Capacitance tolerance (K = ±10%) | -10 | 10 | % | K tolerance per part number table | 2 | ||
| Rated voltage | 35 | VDC | rated voltage at 85°C | 12 | |||
| DC leakage current | 0.5 | µA | at +25°C, maximum/5 minutes | 12 | |||
| Dissipation factor | DF | 4 | % | at +25°C, 120 Hz, maximum | 12 | ||
| Equivalent series resistance | ESR | 19 | Ω | at +25°C, 100 kHz, maximum | 12 | ||
| Maximum allowable ripple current (rms) | 63 | mA | at +25°C, 100 kHz | 12 | |||
| Maximum allowable ripple current (rms) | 57 | mA | at +85°C, 100 kHz | 12 | |||
| Maximum allowable ripple current (rms) | 25 | mA | at +125°C, 100 kHz | 12 | |||
| Maximum power dissipation (case A, 3216-18) | P max | 75 | mW | at 25°C w/+20°C rise | 14 | ||
| Operating temperature range | -55 | 125 | °C | 2 | |||
| Recommended maximum application voltage | 50 | % of VR | −55°C to 85°C | 14 | |||
| Recommended maximum application voltage | 33 | % of VR | 85°C to 125°C | 14 | |||
| Capacitance change with temperature (ΔC/C) | ΔC/C | -10 | 10 | % | temperature stability, −55°C vs +25°C initial limit | 3 | |
| Capacitance change with temperature (ΔC/C) | ΔC/C | -20 | 20 | % | temperature stability, +125°C vs +25°C initial limit | 3 | |
| Dissipation factor change with temperature | DF | 1.5 | x IL | temperature stability, +85°C | 3 | ||
| DC leakage change with temperature | DCL | 10 | x IL | temperature stability, +85°C | 3 | ||
| DC leakage change with temperature | DCL | 12 | x IL | temperature stability, +125°C | 3 | ||
| Endurance capacitance change (ΔC/C) | ΔC/C | -10 | 10 | % | 85°C at rated voltage, 2,000 hours | 3 | |
| Endurance DC leakage | DCL | 1.25 | x initial limit | 85°C at rated voltage, 2,000 hours | 3 | ||
| Storage life capacitance change (ΔC/C) | ΔC/C | -10 | 10 | % | 125°C at 0 volts, 2,000 hours | 3 | |
| Storage life DC leakage | DCL | 1.25 | x initial limit | 125°C at 0 volts, 2,000 hours | 3 | ||
| Thermal shock capacitance change (ΔC/C) | ΔC/C | -5 | 5 | % | MIL-STD-202 Method 107, −55°C to 125°C, 1,000 cycles | 3 | |
| Surge voltage capacitance change (ΔC/C) | ΔC/C | -5 | 5 | % | 85°C, 1.32 x rated voltage, 1,000 cycles | 3 | |
| Mechanical shock/vibration capacitance change (ΔC/C) | ΔC/C | -10 | 10 | % | MIL-STD-202 Method 213 and 204 | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | solder systems. Tin/lead (Sn/Pb) terminations are available upon request for any part number. Gold-plated terminations | 1 |
CAD (KiCad official)
- Symbol:
T491A154K035AT - Footprint:
Capacitor_SMD:C_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
t491a154k035at-etched.step/t491a154k035at-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);t491a154k035at.step/t491a154k035at.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KEMET datasheet (23 pp, sha256
3a4dcd833b469a95, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# T491A154K035AT
**KEMET** · Tantalum Capacitors · 1206
T491A154K035AT from KEMET, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KEMET |
| Package | 1206 |
| Category | Capacitors |
| Pins | 2 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Rated capacitance | | | 0.15 | | µF | at 120 Hz/25°C | 12 |
| Capacitance tolerance (K = ±10%) | | -10 | | 10 | % | K tolerance per part number table | 2 |
| Rated voltage | | | 35 | | VDC | rated voltage at 85°C | 12 |
| DC leakage current | | | | 0.5 | µA | at +25°C, maximum/5 minutes | 12 |
| Dissipation factor | DF | | | 4 | % | at +25°C, 120 Hz, maximum | 12 |
| Equivalent series resistance | ESR | | | 19 | Ω | at +25°C, 100 kHz, maximum | 12 |
| Maximum allowable ripple current (rms) | | | | 63 | mA | at +25°C, 100 kHz | 12 |
| Maximum allowable ripple current (rms) | | | | 57 | mA | at +85°C, 100 kHz | 12 |
| Maximum allowable ripple current (rms) | | | | 25 | mA | at +125°C, 100 kHz | 12 |
| Maximum power dissipation (case A, 3216-18) | P max | | | 75 | mW | at 25°C w/+20°C rise | 14 |
| Operating temperature range | | -55 | | 125 | °C | | 2 |
| Recommended maximum application voltage | | | | 50 | % of VR | −55°C to 85°C | 14 |
| Recommended maximum application voltage | | | | 33 | % of VR | 85°C to 125°C | 14 |
| Capacitance change with temperature (ΔC/C) | ΔC/C | -10 | | 10 | % | temperature stability, −55°C vs +25°C initial limit | 3 |
| Capacitance change with temperature (ΔC/C) | ΔC/C | -20 | | 20 | % | temperature stability, +125°C vs +25°C initial limit | 3 |
| Dissipation factor change with temperature | DF | | | 1.5 | x IL | temperature stability, +85°C | 3 |
| DC leakage change with temperature | DCL | | | 10 | x IL | temperature stability, +85°C | 3 |
| DC leakage change with temperature | DCL | | | 12 | x IL | temperature stability, +125°C | 3 |
| Endurance capacitance change (ΔC/C) | ΔC/C | -10 | | 10 | % | 85°C at rated voltage, 2,000 hours | 3 |
| Endurance DC leakage | DCL | | | 1.25 | x initial limit | 85°C at rated voltage, 2,000 hours | 3 |
| Storage life capacitance change (ΔC/C) | ΔC/C | -10 | | 10 | % | 125°C at 0 volts, 2,000 hours | 3 |
| Storage life DC leakage | DCL | | | 1.25 | x initial limit | 125°C at 0 volts, 2,000 hours | 3 |
| Thermal shock capacitance change (ΔC/C) | ΔC/C | -5 | | 5 | % | MIL-STD-202 Method 107, −55°C to 125°C, 1,000 cycles | 3 |
| Surge voltage capacitance change (ΔC/C) | ΔC/C | -5 | | 5 | % | 85°C, 1.32 x rated voltage, 1,000 cycles | 3 |
| Mechanical shock/vibration capacitance change (ΔC/C) | ΔC/C | -10 | | 10 | % | MIL-STD-202 Method 213 and 204 | 3 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | gold | solder systems. Tin/lead (Sn/Pb) terminations are available upon request for any part number. Gold-plated terminations | 1 |
## CAD (KiCad official)
- Symbol: `T491A154K035AT`
- Footprint: `Capacitor_SMD:C_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `t491a154k035at-etched.step` / `t491a154k035at-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `t491a154k035at.step` / `t491a154k035at.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KEMET datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590148586416463872) (23 pp, sha256 `3a4dcd833b469a95`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/t491a154k035at-datasheet.pdf)