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B43504A397M82
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Reference price and stock shown as of 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.

B43504A397M82

CAP ALUM 390UF 20% 420V SNAP
EPCOS (TDK) · Aluminum Electrolytic Capacitors · BOM Matching
Mfr. Part Number
B43504A397M82
Manufacturer
EPCOS (TDK)
Package / Case
Radial, Can - Snap-In - 3 Lead
Datasheet
Datasheet
Description
CAP ALUM 390UF 20% 420V SNAP
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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B43504A397M82
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Reference Price
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Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-19 · Valid as reference until 2026-09-26 · Request RFQ for live stock.
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Specification Summary

Package / Case
Radial, Can - Snap-In - 3 Lead
Voltage - Rated
420 V
Ripple Current @ Low Frequency
1.7 A @ 100 Hz
Operating Temperature
-40°C ~ 105°C
Mounting Type
Through Hole
ESR (Equivalent Series Resistance)
350mOhm @ 100Hz
Applications
General Purpose
Capacitance
390 µF
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Polarization
Polar
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 105°C
Size / Dimension
1.181" Dia (30.00mm)
Voltage - Rated
420 V
Capacitance
390 µF
ESR (Equivalent Series Resistance)
350mOhm @ 100Hz
Lifetime @ Temp.
3000 Hrs @ 105°C
Ripple Current @ High Frequency
-
Ripple Current @ Low Frequency
1.7 A @ 100 Hz
Surface Mount Land Size
-
Applications
General Purpose
Height - Seated (Max)
2.055" (52.20mm)
Impedance
410 mOhms
Lead Spacing
0.394" (10.00mm)
Package / Case
Radial, Can - Snap-In - 3 Lead
Ratings
-
Tolerance
±20%
CAP ALUM 390UF 20% 420V SNAP
Brand Introduction
TDK Corporation is one of the world's leading manufacturers of electronic components and systems. TDK's portfolio includes passive components, such as ceramic, aluminum electrolytic and film capacitors, ferrites and inductors, high-frequency products, and piezo and protection components, as well as sensors and sensor systems. These products are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, and Tronics. TDK focuses on demanding markets in the areas of information and communication technology and automotive, industrial and consumer electronics.
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Buying FAQ — B43504A397M82

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy B43504A397M82 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes B43504A397M82. We reply with stock, channel note, reference price and ETA.

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Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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