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TPMD337M004R0025
KYOCERA AVX
CAP TANT 330UF 20% 4V 2917
854 Pcs New Original In Stock
330 µF Molded Tantalum Capacitors 4 V 2917 (7343 Metric) 25mOhm
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5.0 / 5.0
- (84 Ratings)
TPMD337M004R0025
Product Overview
6658437
DiGi Electronics Part Number
TPMD337M004R0025-DGManufacturer
KYOCERA AVX
TPMD337M004R0025
Description
CAP TANT 330UF 20% 4V 2917Inventory
854 Pcs New Original In Stock
330 µF Molded Tantalum Capacitors 4 V 2917 (7343 Metric) 25mOhm
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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TPMD337M004R0025 Technical Specifications
Category
Tantalum Capacitors
Packaging
Tape & Reel (TR)
Series
TPM
Product Status
Active
Capacitance
330 µF
Tolerance
±20%
Voltage - Rated
4 V
Type
Molded
ESR (Equivalent Series Resistance)
25mOhm
Operating Temperature
-55°C ~ 125°C
Lifetime @ Temp.
-
Mounting Type
Surface Mount
Package / Case
2917 (7343 Metric)
Size / Dimension
0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max)
0.122" (3.10mm)
Lead Spacing
-
Manufacturer Size Code
D
Features
General Purpose
Failure Rate
-
Datasheet & Documents
Design Resources
SpiTAN Design Tool
HTML Datasheet
TPMD337M004R0025-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8532.21.0050
Additional Information
Standard Package
500
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
저번에 주문했는데 다음 날 바로 배송되어 놀랐어요. 품질도 기대 이상입니다.
грудня 02, 2025
Die Zusammenarbeit ist stets unkompliziert und profitabel für unser Geschäft.
грудня 02, 2025
Professioneller Service, der keine Wünsche offenlässt. Die Mitarbeiter sind sehr zuvorkommend und freundlich.
грудня 02, 2025
DiGi Electronics’ dedication to quality and friendly service is inspiring.
грудня 02, 2025
Delivery was swift, and the support team was always available to help with any concerns.
грудня 02, 2025
I was amazed by how the tracking system provided real-time updates, making it easy to anticipate the delivery with confidence.
грудня 02, 2025
My order arrived much sooner than expected, thanks to their swift shipping.
грудня 02, 2025
The careful packaging process shows their dedication to customer satisfaction.
грудня 02, 2025
Impressive logistics management allows for quick turnaround times.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the TPMD337M004R0025 in a high-temperature automotive application near 125°C?
When designing the TPMD337M004R0025 into high-temperature environments near its 125°C limit, the primary risk is increased failure rate due to reduced voltage derating margin. Tantalum capacitors are sensitive to applied voltage relative to rated voltage, especially at elevated temperatures. We recommend at least 50% voltage derating (i.e., max 2V applied in this case) under steady-state and transient conditions. Additionally, consider the ripple current contribution to internal heating and ensure adequate PCB thermal relief. Avoid sharp current spikes from switching regulators by using input filtering or soft-start circuits to prevent thermal runaway in the D-case footprint with 25mOhm ESR.
How does the ESR of the TPMD337M004R0025 compare to alternative polymer tantalum capacitors like the Kemet A750K337M04ATE060, and what impact does this have on switching regulator stability?
The TPMD337M004R0025 has a relatively low ESR of 25mOhm, but it is typically higher than polymer tantalum alternatives such as the Kemet A750K337M04ATE060, which can achieve ESR values below 10mOhm. While the TPMD337M004R0025’s ESR is stable over temperature and frequency, the lower ESR of polymer types improves high-frequency ripple performance. However, very low ESR in feedback-controlled regulator loops can risk instability if the control loop assumes a minimum ESR for zero compensation. Always verify phase margin in the target circuit, and if replacing a MnO2 tantalum like the TPMD337M004R0025 with a polymer type, re-evaluate loop stability—especially in older power IC designs reliant on bulk capacitance ESR.
Can the TPMD337M004R0025 be used as a direct replacement for the Vishay 593D337M004R2T025 in a power rail filter, and what layout considerations are critical?
The TPMD337M004R0025 can serve as a functional replacement for the Vishay 593D337M004R2T025, as both are 330µF 4V D-case molded tantalums with similar ESR (~25mOhm) and footprint. However, verify surge current capability and transient load response in your design—earlier 593D series may have different robustness profiles under inrush. Ensure consistent solder land patterns per IPC-7351 for 7343 metric to avoid tombstoning. Also maintain adequate creepage distance due to the low 4V rating, and avoid placing near high-voltage nodes. Use a symmetric thermal pad layout to promote even reflow and consider conformal coating in high-humidity environments due to tantalum’s susceptibility to field crystallization under bias and moisture.
What are the reliability concerns when operating the TPMD337M004R0025 at full rated voltage without derating in a consumer IoT device?
Operating the TPMD337M004R0025 at or near its full 4V rated voltage significantly increases the risk of field failures, especially in uncontrolled environments. Tantalum capacitors are prone to thermal runaway and ignition when operated without proper voltage derating—industry best practice is 50% derating (2V max for this part). In consumer IoT devices with infrequent cycling and potential exposure to temperature and humidity swings, undervoltage derating can lead to latent oxide layer defects under DC bias. Coupled with 25mOhm ESR, even moderate ripple current can elevate internal temperature, accelerating degradation. For long-term reliability, always limit applied voltage to 2V–2.5V and include transient protection if connected to USB or battery sources that may exceed nominal levels.
How does the moisture sensitivity level (MSL 3) of the TPMD337M004R0025 affect PCB assembly yield, and what steps should be taken to mitigate moisture-related failures?
The TPMD337M004R0025 is rated MSL 3 (168 hours floor life), meaning it must be soldered within one week of exposure to ambient conditions above 30°C/60% RH unless re-baked. Moisture ingress into the molded epoxy case can lead to 'popcorning' during reflow—internal delamination or cracking due to steam pressure—which compromises long-term reliability. To mitigate risk: store in sealed dry bags with desiccant, track exposure time rigorously, and bake at 125°C for 24 hours if expired. Use a controlled ramp rate in the reflow profile (max 3°C/sec) to allow gradual outgassing. After assembly, avoid washing with aqueous solutions unless validated, as residual moisture under bias can accelerate failure modes in tantalum devices.
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.
TPMD337M004R0025 CAD Models
KYOCERA AVX TPMD337M004R0025 PCB symbols & footprints
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