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T322B685M015AS
KEMET
CAP TANT AXL
25313 Pcs New Original In Stock
Tantalum Capacitors
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*Quantity
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Minimum 1
5.0 / 5.0
- (475 Ratings)
T322B685M015AS
Product Overview
11201548
DiGi Electronics Part Number
T322B685M015AS-DGManufacturer
KEMET
T322B685M015AS
Description
CAP TANT AXLInventory
25313 Pcs New Original In Stock
Tantalum Capacitors
Quantity
Minimum 1
Minimum 1
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T322B685M015AS Technical Specifications
Category
Tantalum Capacitors
Packaging
Bulk
Series
*
Product Status
Active
Datasheet & Documents
HTML Datasheet
T322B685M015AS-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Affected
ECCN
EAR99
HTSUS
8532.21.0080
Additional Information
Other Names
399-T322B685M015AS
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronics' attention to detail in packaging is outstanding.
Dec 02, 2025
We rely on DiGi Electronics for their consistent stock availability and excellent customer care.
Dec 02, 2025
Their responsive after-sales team ensures that any issues are resolved promptly.
Dec 02, 2025
DiGi Electronics’ proactive after-sales assistance has always exceeded my expectations.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when designing in the KEMET T322B685M015AS tantalum capacitor in high-reliability or safety-critical applications, and how can I mitigate them?
The KEMET T322B685M015AS, like all solid tantalum capacitors, carries an inherent risk of thermal runaway and catastrophic failure under overvoltage, reverse polarity, or high surge current conditions. To mitigate this, always derate the applied DC voltage to no more than 50% of its 15V rating (i.e., ≤7.5V) in continuous operation, and incorporate current-limiting resistors or fuses in series when used in power supply filtering. Avoid using it in applications with frequent voltage transients unless protected by TVS diodes. For mission-critical systems, consider switching to polymer or multilayer ceramic capacitors (MLCCs) with equivalent capacitance and lower ESR, though at higher cost or size.
Can I replace the KEMET T322B685M015AS with a Vishay TR3 or AVX TPS series tantalum capacitor without redesigning my PCB layout?
While the Vishay TR368D685M015C0100 and AVX TPSD685M015R0150 offer similar 6.8µF/15V ratings and axial lead form factors, direct drop-in replacement of the KEMET T322B685M015AS requires verification of lead spacing, body diameter, and thermal characteristics. The KEMET part has a 5mm lead spacing and Ø5.5mm body; confirm mechanical compatibility before substitution. More critically, compare surge current ratings and ESR—Vishay and AVX parts may have different failure modes under transient stress. Always validate performance under your actual load conditions and consider derating practices specific to each manufacturer’s guidelines.
Is the KEMET T322B685M015AS suitable for use in automotive under-hood environments, given its RoHS non-compliant status and lack of AEC-Q200 qualification?
No, the KEMET T322B685M015AS is not recommended for automotive under-hood or any AEC-Q200 required applications. Its RoHS non-compliant status indicates the presence of lead or other restricted substances, and it lacks qualification to AEC-Q200 stress test standards for temperature cycling, humidity bias, and mechanical shock. For automotive designs, use AEC-Q200-qualified alternatives like the KEMET T520 series (polymer) or AVX TCJ series, which are specifically engineered for harsh environments and comply with automotive regulatory and reliability requirements.
How does the moisture sensitivity and handling requirements of the KEMET T322B685M015AS compare to modern SMD tantalum capacitors, and does it require special storage or assembly procedures?
The KEMET T322B685M015AS is labeled as 'Moisture Sensitivity Level (MSL): Not Applicable' due to its axial leaded, through-hole construction, which eliminates the risk of popcorning during reflow that affects surface-mount devices. This makes it inherently more robust during manual or wave soldering processes and allows indefinite ambient storage without dry packing. However, it still requires standard ESD precautions during handling. Unlike SMD tantalums (e.g., KEMET T521), you do not need to follow MSL bake protocols, simplifying logistics in mixed-technology PCB assembly lines.
What design trade-offs should I consider when choosing the KEMET T322B685M015AS over a high-capacitance MLCC for bulk decoupling in a 5V analog power rail?
While the KEMET T322B685M015AS offers stable 6.8µF capacitance in a compact axial package with low leakage, it introduces risks that MLCCs avoid: voltage derating requirements, surge sensitivity, and potential fire hazard under fault conditions. In contrast, a 10µF/25V X5R or X7R MLCC (e.g., Murata GRM32ER71H106KA12L) provides higher effective capacitance at 5V bias, no derating concerns, and inherently safer failure modes. However, MLCCs exhibit microphonic effects and capacitance drop under DC bias—verify actual in-circuit capacitance. For noise-sensitive analog rails, the tantalum’s lower high-frequency impedance may be beneficial, but only if robust overvoltage protection is implemented.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
T322B685M015AS CAD Models
KEMET T322B685M015AS PCB symbols & footprints
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