B41002A4107M Equivalent & Substitute Parts

Part Overview

The B41002A4107M is a 100 µF, 16 V aluminum electrolytic capacitor in radial can package manufactured by EPCOS - TDK Electronics. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The capacitor is rated for 1000 hours at 85°C and is suitable for general-purpose applications requiring through-hole mounting.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Lead Spacing	0.138" (4.60mm)
Package / Case	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the B41002A4107M is determined by the following critical parameters:

Capacitance: 100 µF (exact match required)
Voltage Rating: 16 V minimum (higher voltage ratings are acceptable as upgrades)
Tolerance: ±20% (standard tolerance match)
Package / Case: Radial, Can (physical form factor must match)
Lead Spacing: 0.138" (4.60mm) (PCB compatibility requirement)
Mounting Type: Through Hole (assembly process compatibility)
Polarization: Polar (electrical characteristic match)

Substitute parts are grouped into two categories:

Direct Equivalent (Same Voltage Rating - 16V):

16TWL100MEFC8X7 (Rubycon TWL series) - maintains identical 16 V rating with active product status

Upgrade Substitutes (Higher Voltage Rating - 25V):

107PUM025MST (Cornell Dubilier / Illinois Capacitor PUM series)
25ML100MEFC8X7 (Rubycon ML series)
25ZL100MEFC8X7 (Rubycon ZL series)
RC2-25V101MG1# (Elna America RC2 series)

Higher voltage-rated capacitors are electrically compatible in 16 V circuits and provide additional design margin.

Parameter Comparison

Parameter	B41002A4107M	16TWL100MEFC8X7	107PUM025MST	25ML100MEFC8X7	25ZL100MEFC8X7	RC2-25V101MG1#
Manufacturer	EPCOS - TDK Electronics	Rubycon	Cornell Dubilier / Illinois Capacitor	Rubycon	Rubycon	Elna America
Capacitance	100 µF	100 µF	100 µF	100 µF	100 µF	100 µF
Voltage Rating	16 V	16 V	25 V	25 V	25 V	25 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temperature	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C	5000 Hrs @ 105°C	1000 Hrs @ 105°C	1000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 85°C
Lead Spacing	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)	0.138" (4.60mm)
Size / Dimension	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)
Height - Seated (Max)	0.335" (8.50mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Obsolete	Last Time Buy	Active

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating):

The 16TWL100MEFC8X7 from Rubycon is the primary direct equivalent. It maintains the 16 V voltage rating, identical capacitance and tolerance, and matches all physical dimensions. The part is currently active in production, ensuring long-term availability. Both parts are ROHS3 compliant and suitable for general-purpose applications.

For Upgraded Designs (Higher Voltage Rating):

The 107PUM025MST (Cornell Dubilier / Illinois Capacitor) and RC2-25V101MG1# (Elna America) are active products offering 25 V ratings with equivalent electrical performance in 16 V circuits. These provide additional design margin and are recommended for new designs or applications requiring extended operational reliability.

The 25ZL100MEFC8X7 (Rubycon ZL series) is classified as Last Time Buy, indicating limited future availability. The 25ML100MEFC8X7 (Rubycon ML series) is obsolete and should not be selected for new designs.

All substitute parts maintain ROHS3 compliance and through-hole mounting compatibility with the original B41002A4107M footprint.

Frequently Asked Questions (FAQ)

Q: Can I use a 25 V rated capacitor in place of a 16 V rated capacitor?

A: Yes. A higher voltage-rated capacitor is electrically compatible in circuits designed for lower voltages. The 25 V substitutes will operate safely in 16 V applications and provide additional design margin.

Q: Are all substitute parts physically compatible with the original PCB layout?

A: All listed substitutes maintain the same lead spacing (0.138" / 4.60mm) and radial can package format. However, the B41002A4107M has a maximum seated height of 0.335" (8.50mm), while most substitutes are 0.315" (8.00mm). This difference is acceptable for through-hole mounting and will not cause assembly issues.

Q: Which substitute should I select for a new design?

A: For new designs, select from active product status parts: 16TWL100MEFC8X7 (direct equivalent), 107PUM025MST, or RC2-25V101MG1# (upgraded ratings). Avoid obsolete and Last Time Buy parts for new production.

Q: What is the difference between the Rubycon ZL and ML series substitutes?

A: Both are 100 µF, 25 V radial capacitors with identical physical dimensions. The ZL series is rated for 1000 hours at 105°C with higher ripple current capability (190 mA @ 120 Hz). The ML series is rated for 5000 hours at 105°C. The ZL series is Last Time Buy; the ML series is obsolete.

Q: Are all substitutes RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the original B41002A4107M.

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