Equivalent & Substitute Parts for 860010372004

Part Overview

The Würth Elektronik 860010372004 is a 47 µF, 16 V aluminum electrolytic capacitor in radial configuration with a 2000-hour lifetime rating at 85°C. This component is classified as Active and fully compliant with ROHS3 and REACH standards. The part is designed for general-purpose applications requiring through-hole mounting in standard 5.00 mm diameter, radial can packages.

Substitute parts are necessary when design requirements demand extended operating temperature ranges, increased lifetime ratings, higher voltage ratings, or improved thermal performance characteristics while maintaining the same capacitance value and physical footprint.

Key Parameters

Parameter	Value
Manufacturer Part Number	860010372004
Manufacturer	Würth Elektronik
Capacitance	47 µF
Voltage Rating	16 V
Tolerance	±20%
Series	WCAP-ATG8
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Package / Case	Radial, Can
Size / Dimension	0.197" Dia (5.00 mm)
Height - Seated (Max)	0.492" (12.50 mm)
Lead Spacing	0.079" (2.00 mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the 860010372004 is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance: 47 µF (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: Radial, Can (exact match required)
Size / Dimension: 0.197" Dia (5.00 mm) (exact match required)
Height - Seated (Max): 0.492" (12.50 mm) (exact match required)
Lead Spacing: 0.079" (2.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)

Allowable Variation Parameters:

Voltage Rating: 16 V or higher (upgrades permitted)
Operating Temperature Range: -40°C minimum, 85°C maximum or extended (upgrades permitted)
Lifetime @ Temperature: 2000 Hrs or longer (upgrades permitted)
Series: Different series permitted if all primary requirements met
RoHS Status: ROHS3 Compliant (required)

Substitute parts are grouped into three categories: direct equivalents (same voltage and thermal characteristics), voltage upgrades (higher voltage rating), and thermal/lifetime upgrades (extended temperature range or longer operational life).

Parameter Comparison

Part Number	Series	Voltage Rating	Operating Temp Range	Lifetime @ Temp	Ripple Current @ 100 kHz	Impedance	Inventory
860010372004	WCAP-ATG8	16 V	-40°C ~ 85°C	2000 Hrs @ 85°C	201.96 mA	—	2223 Pcs
860020372004	WCAP-ATG5	16 V	-40°C ~ 105°C	2000 Hrs @ 105°C	153 mA	—	4036 Pcs
860010472005	WCAP-ATG8	25 V	-40°C ~ 85°C	2000 Hrs @ 85°C	201.96 mA	—	1463 Pcs
860010572005	WCAP-ATG8	35 V	-40°C ~ 85°C	2000 Hrs @ 85°C	218.79 mA	—	7021 Pcs
860020472006	WCAP-ATG5	25 V	-40°C ~ 105°C	2000 Hrs @ 105°C	160.65 mA	—	8587 Pcs
860020572006	WCAP-ATG5	35 V	-40°C ~ 105°C	2000 Hrs @ 105°C	168.3 mA	—	12791 Pcs
860040472001	WCAP-ATUL	25 V	-40°C ~ 105°C	5000 Hrs @ 105°C	160 mA	560 mOhms	11466 Pcs
860040572002	WCAP-ATUL	35 V	-40°C ~ 105°C	5000 Hrs @ 105°C	280 mA	450 mOhms	5112 Pcs
860080372001	WCAP-ATLI	16 V	-55°C ~ 105°C	2000 Hrs @ 105°C	200 mA	400 mOhms	2555 Pcs
860080472002	WCAP-ATLI	25 V	-55°C ~ 105°C	2000 Hrs @ 105°C	240 mA	350 mOhms	5996 Pcs
860160372007	WCAP-ATLL	16 V	-55°C ~ 105°C	4000 Hrs @ 105°C	186 mA	1.35 Ohms	2403 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and Active product status, ensuring regulatory and supply chain continuity with the original 860010372004.

Direct Equivalent (Same Voltage, Extended Temperature): 860020372004 provides identical 16 V rating with extended operating range to 105°C and improved thermal performance at elevated temperatures. Selection is appropriate when designs require higher ambient temperature tolerance without voltage upgrade.

Voltage Upgrade Options (16 V to 25 V or 35 V): 860010472005, 860020472006, 860040472001, 860080472002 provide 25 V ratings. 860010572005, 860020572006, 860040572002 provide 35 V ratings. These are suitable for circuits where supply voltage margins require higher capacitor voltage ratings. All maintain identical physical dimensions and lead spacing.

Extended Temperature Range (to -55°C): 860080372001, 860080472002, 860160372007 extend the lower operating limit to -55°C, supporting applications in cold environments or aerospace/defense specifications.

Extended Lifetime (5000 Hrs @ 105°C): 860040472001 and 860040572002 provide 5000-hour lifetime ratings, appropriate for long-service-life applications or high-reliability requirements.

Maximum Thermal Performance: 860160372007 combines 4000-hour lifetime at 105°C with -55°C lower temperature limit, suitable for demanding thermal cycling or extended operational life requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute 860010372004 with a higher voltage-rated part? A: Yes. Parts rated 25 V or 35 V are direct substitutes provided all other parameters match: 47 µF capacitance, ±20% tolerance, radial can package, 5.00 mm diameter, 12.50 mm height, and 2.00 mm lead spacing. Higher voltage ratings provide additional safety margin in the circuit.

Q: What is the difference between WCAP-ATG8, WCAP-ATG5, WCAP-ATUL, WCAP-ATLI, and WCAP-ATLL series? A: These represent different product lines within Würth Elektronik's aluminum electrolytic capacitor portfolio. Series designation reflects internal design variations affecting thermal performance, lifetime rating, and operating temperature range. All series maintain identical physical dimensions and electrical specifications for the 47 µF, 16-35 V range.

Q: Is 860020372004 a direct replacement for 860010372004? A: Yes, with thermal advantages. Both are 47 µF, 16 V, radial can capacitors with identical physical dimensions. 860020372004 extends the operating temperature range to 105°C and provides 2000-hour lifetime at that elevated temperature, compared to 85°C for the original part.

Q: Can I use 860080372001 in place of 860010372004? A: Yes. Both are 47 µF, 16 V, radial can capacitors with identical physical dimensions. 860080372001 provides extended operating range (-55°C to 105°C) and includes impedance specification (400 mOhms), making it suitable for applications requiring wider temperature tolerance or lower impedance performance.

Q: What is the significance of impedance values listed for some parts? A: Impedance (measured in mOhms or Ohms) indicates the part's resistance to AC current at specific frequencies. Lower impedance values indicate better high-frequency performance and reduced voltage ripple. Parts with specified impedance values (860040472001, 860040572002, 860080372001, 860080472002, 860160372007) are optimized for applications with stringent ripple current or noise requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with environmental and regulatory requirements identical to the original 860010372004.

Q: Which substitute offers the longest operational life? A: 860040472001 (25 V) and 860040572002 (35 V) provide 5000-hour lifetime ratings at 105°C, compared to 2000 hours for the original part. These are appropriate for applications requiring extended service intervals or high-reliability specifications.

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