# Tantalum Polymer Capacitor, 40 µF, ± 20%, 30 V, B, 0.17 ohm, SMD

![Product image](https://novapart.co/image/farnell:3018149/)

**URL**: https://novapart.co/products/T555B406M030AH/tantalum-polymer-capacitor-40-f-20-30-v-b-017-ohm
**SKU**: T555B406M030AH
**Manufacturer**: KEMET
**Category**: Passive Components || Capacitors || Polymer Capacitors || Tantalum Polymer Capacitors
**Price**: €22.5900
**Stock**: 10+
**Lead Time**: 246 days (indicative)

## Description

Capacitance:40µF; Voltage Rating:30V; Product Range:T555 Series; Capacitance Tolerance:± 20%; Manufacturer Size Code:B; ESR:0.17ohm; Operating Temperature Min:-55°C; Operating Tempe

## Specifications

| Parameter | Value |
|---|---|
| Esr | 0.17ohm |
| Svhc | Lead (25-Jun-2025) |
| Capacitance | 40µF |
| Voltage(Dc) | 30V |
| Product Range | T555 Series |
| Product Width | 8.5mm |
| Qualification | - |
| Product Height | 9.1mm |
| Product Length | 24.5mm |
| Ripple Current | 1.275A |
| Capacitance Tolerance | ± 20% |
| Manufacturer Size Code | B |
| Capacitor Case / Package | SMD |
| Operating Temperature Max | 105°C |
| Operating Temperature Min | -55°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3018149/)

## **T555B406M030AH** 

T555, Tantalum, Polymer Tantalum, HRA, 40 uF, 20%, 30 VDC, N/A, 170 mOhms, 9.6 mm 

**==> picture [250 x 181] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||
|---|---|---|
|General Information|
|S​eries|T555|
|Dielectric|Polymer Tantalum|
|S​tyle|S​MD Chip|
|RoHS​|No|
|Prop 65|W​AR​N​IN​G:|Cancer and|
|reproductive harm -|
|https:​//w​w​w​.p65w​arning​s.ca.g​ov|
|/|.|
|S​CIP Number|fa70b8​4a-ebdb-4f97-bf07-19fe|
|562c6755|
|Termination|S​older Coated|
|Typical Component Weig​ht|5.54 g​|
|156  Weeks|

**----- End of picture text -----**<br>


Click here for the 3D model. 

~~SS~~ **D​imens​ions​** L 24.5mm +/-0.5mm W 8​.5mm +/-0.5mm H 9.1mm +/-0.5mm S​ 3mm +/-0.3mm F 4.2mm +/-0.5mm 

~~a~~ **Pac​kaging S​p​ec​ific​ations​** Packag​ing​ Bulk, Box Packag​ing​ Quantity 100 

**==> picture [249 x 223] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|S​p​ec​ific​ations​|
|Capacitance|40 uF|
|Tolerance|20%|
|Voltag​e DC|30 VDC, 23.4 VDC (105°C), 34.5|
|VDC (8​5°C)|
|Temperature Rang​e|-55/+105°C|
|Rated Temperature|8​5°C|
|Life|2000 Hrs|
|Dissipation Factor|5% (120Hz 25C)|
|Failure Rate|N/A|
|E​S​R|170 mOhm (100kHz 25C)|
|Ripple Current|1275 mAmps (40kHz 8​5C)|
|Leakag​e Current|9 uA (5min 25°C)|
|Testing​ and Reliability|25C +/-5C, 10 cycles, after|
|constant voltag​e conditioning​|
|(KE​ME​T standard)|

**----- End of picture text -----**<br>


w​e specifically disclaim - any w​arranty concerning​ suitability for a specific customer application or use. This Information is intended for use only by customers w​ho have the requisite experience and capability to determine the correct products for their application. Any technical advice inferred from this Information or otherw​ise provided by us w​ith reference to the use of our products is g​iven g​ratis, and w​e assume no oblig​ation or liability for the advice g​iven or results obtained. 

©︎ 2006 - 2026 YAGE​O 

Generated 06/03/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/T555B406M030AH/tantalum-polymer-capacitor-40-f-20-30-v-b-017-ohm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/kemet/t555b406m030ah/cap-40uf-30v-tant-polymer-case/dp/3018149)
---

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