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Home > Products > Capacitors > Tantalum Capacitors > M39003/09-0139H
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M39003/09-0139H

In Stock 3802 pcs Reference Price(In US Dollars)
1+
$27.1773
200+
$10.5174
500+
$10.1485
1000+
$9.9646
Manufacturer Part Number:
M39003/09-0139H
Manufacturer / Brand
Vishay Sprague
Part of Description:
CAP TANT 39UF 10% 20V AXIAL
Datasheets:
M39003/09-0139H(1).pdfM39003/09-0139H(2).pdf
Lead Free Status / RoHS Status:
RoHS non-compliant
Stock Condition:
New original, 3802 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number M39003/09-0139H
Manufacturer / Brand Vishay Sprague
Stock Quantity 3802 pcs Stock
Category Capacitors > Tantalum Capacitors
Description CAP TANT 39UF 10% 20V AXIAL
Lead Free Status / RoHS Status: RoHS non-compliant
Voltage - Rated 20 V
Type Hermetically Sealed
Tolerance ±10%
Size / Dimension 0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Series Military, MIL-PRF-39003/9, CSR21
Package / Case Axial
Package Bulk
Operating Temperature -55°C ~ 125°C
Mounting Type Through Hole
Manufacturer Size Code C
Lifetime @ Temp. -
Lead Spacing -
Height - Seated (Max) -
Features High Reliability
Failure Rate P (0.1%)
ESR (Equivalent Series Resistance) 120mOhm
Capacitance 39 µF
Base Product Number M39003/09

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What design considerations arise when integrating the M39003/09-0139H into power supply decoupling circuits with low source impedance?
The M39003/09-0139H features a 120 mOhm ESR in a hermetically sealed axial package, which supports effective high-frequency decoupling while the series resistance helps limit inrush current during power-up. Designers should evaluate the circuit's source impedance and include sufficient resistance or soft-start mechanisms to manage surge currents, particularly at elevated temperatures within the -55°C to 125°C range, as the solid electrolyte behavior responds to rapid voltage application.
How does the 20 V rating of the M39003/09-0139H influence voltage selection in long-term industrial control systems operating near 12-15 V rails?
In the M39003/09-0139H, operating voltage relative to the 20 V rating affects long-term stability of the tantalum pentoxide dielectric. Systems running continuous bias near 12-15 V on this part typically observe stable leakage and capacitance behavior over extended periods when the application maintains a margin below the rated value, consistent with established practices for MIL-PRF-39003/9 style CSR21 devices in industrial environments.
Can the M39003/09-0139H serve as a direct drop-in replacement for older CSR21 series parts in existing MIL-spec designs?
The M39003/09-0139H belongs to the MIL-PRF-39003/9 CSR21 family with P-level failure rate (0.1%), hermetic sealing, and identical axial dimensions (0.289" dia x 0.686" length, size code C). Migration from prior dash numbers requires verifying the specific surge current option and failure rate code, as these influence power-on behavior without altering the base 39 µF ±10% capacitance or 20 V rating.
What operating condition boundaries should engineers evaluate before specifying the M39003/09-0139H in high-vibration aerospace or defense assemblies?
The hermetically sealed metal case of the M39003/09-0139H provides mechanical robustness for through-hole mounting in axial configuration. In applications involving sustained vibration or shock, the leaded construction distributes stress away from the element, supporting performance within the full -55°C to 125°C range when board layout avoids excessive flexure near the capacitor body.
Are there configuration or polarity considerations when replacing non-hermetic tantalum capacitors with the M39003/09-0139H in legacy through-hole boards?
The M39003/09-0139H uses a polarized axial design with clear marking for positive lead identification in the hermetic case. During replacement, engineers must align polarity with the existing footprint and confirm lead forming does not induce mechanical stress on the glass-to-metal seals, preserving the low 120 mOhm ESR and high reliability characteristics of the CSR21 series.
How does the ESR of the M39003/09-0139H affect its suitability for filtering in switching regulator outputs compared to lower-ESR polymer alternatives?
With 120 mOhm ESR, the M39003/09-0139H provides damping that reduces the risk of output voltage ringing in regulator circuits while delivering stable 39 µF capacitance. In contrast to polymer types, this solid MnO2 electrolyte version maintains consistent parameters across the military temperature range without requiring additional compensation for ESR-induced phase shifts in certain loop designs.
What reliability factors come into play when deploying multiple M39003/09-0139H units in parallel for bulk capacitance in industrial power modules over 10+ years?
The P (0.1%) failure rate of the M39003/09-0139H, combined with hermetic sealing, supports predictable behavior in parallel configurations when voltage stress remains within guidelines derived from MIL-HDBK-217 modeling. Long-term exposure to thermal cycling within -55°C to 125°C shows minimal drift in leakage current due to the controlled manufacturing processes for this MIL-PRF-39003/9 part.
In what scenarios might engineers consider migrating from the M39003/09-0139H to wet tantalum equivalents in high-temperature industrial sensing equipment?
The M39003/09-0139H offers solid-electrolyte stability up to 125°C with low ESR for filtering, whereas wet tantalum alternatives in similar hermetic packages provide different ripple handling and may require evaluation of electrolyte evaporation risks or higher case volumes. Selection depends on the specific ripple current profile and whether the application's continuous operating temperature approaches the upper limit for extended durations.
What power supply sequencing or inrush management is typically needed when designing in the M39003/09-0139H for avionics line filtering?
The 120 mOhm ESR in the M39003/09-0139H naturally limits peak surge currents during abrupt voltage application on the 20 V rated part. Designs often incorporate this characteristic by verifying the time constant formed with upstream impedance, ensuring dielectric stress remains controlled across repeated power cycles in the military operating temperature window.
How does the RoHS non-compliant status of the M39003/09-0139H impact its use in new versus sustained military or industrial programs?
The M39003/09-0139H follows MIL-PRF-39003/9 construction with hermetic sealing and tin-lead compatible leads typical of established high-reliability axial tantalum capacitors. Programs requiring legacy compliance or exemption under EAR99 continue to specify this part for its qualified failure rate and dimensional consistency in through-hole layouts.

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