511D336M035AA4D Equivalent & Substitute Parts

Part Overview

The 511D336M035AA4D is a 33 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Vishay Sprague. This component is rated for 1000 hours at 105°C and operates across -40°C to 105°C. The part is currently active in production and suitable for general-purpose applications requiring through-hole mounting with 0.098" (2.50 mm) lead spacing.

Substitute parts are necessary when the original part becomes unavailable, when higher voltage ratings or extended lifetime specifications are required for improved reliability, or when alternative manufacturers' components meet the same electrical and mechanical requirements.

Key Parameters

Parameter	511D336M035AA4D
Capacitance	33 µF
Tolerance	±20%
Voltage - Rated	35 V
Lifetime @ Temp.	1000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C
Polarization	Polar
Lead Spacing	0.098" (2.50 mm)
Size / Dimension	0.236" Dia (6.00 mm)
Height - Seated (Max)	0.472" (12.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the 511D336M035AA4D is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance: 33 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.098" (2.50 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)

Allowable Variation Parameters:

Voltage - Rated: 35 V or higher (substitutes with higher voltage ratings are acceptable as they provide backward compatibility)
Lifetime @ Temp.: 1000 Hrs @ 105°C or longer (extended lifetime is acceptable)
Operating Temperature: Must encompass or match the -40°C to 105°C range
Physical Dimensions: Slight variations in diameter and height are acceptable if they fit the PCB footprint

All substitute parts listed maintain identical capacitance, tolerance, polarization, lead spacing, and mounting configuration. Substitutes are grouped by voltage rating (50 V, 63 V, 80 V) and manufacturer, with lifetime ratings ranging from 1000 to 7000 hours at 105°C.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage (V)	Lifetime @ 105°C	Operating Temp (°C)	Size Dia (mm)	Height (mm)	RoHS Status	Product Status
511D336M035AA4D	Vishay Sprague	33 µF	±20%	35	1000 Hrs	-40 ~ 105	6.00	12.00	Non-compliant	Active
336CKE063M	Cornell Dubilier / Illinois Capacitor	33 µF	±20%	63	2000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Active
336KXM050M	Cornell Dubilier / Illinois Capacitor	33 µF	±20%	50	2000 Hrs	-55 ~ 105	6.30	12.50	ROHS3 Compliant	Active
63YXF33MEFC6.3X11	Rubycon	33 µF	±20%	63	5000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Not For New Designs
63YXJ33M6.3X11	Rubycon	33 µF	±20%	63	7000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Active
63ZL33MEFC6.3X11	Rubycon	33 µF	±20%	63	2000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Obsolete
80ZLH33MEFC6.3X11	Rubycon	33 µF	±20%	80	6000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Active
ECA-1JHG330	Panasonic Electronic Components	33 µF	±20%	63	1000 Hrs	-55 ~ 105	6.30	12.20	ROHS3 Compliant	Active
EKMG630ELL330MF11D	Chemi-Con	33 µF	±20%	63	1000 Hrs	-55 ~ 105	6.30	12.50	ROHS3 Compliant	Active
EKYB630ELL330MF11D	Chemi-Con	33 µF	±20%	63	7000 Hrs	-40 ~ 105	6.30	12.50	ROHS3 Compliant	Active
ESH336M050AE3AA	KEMET	33 µF	±20%	50	2000 Hrs	-40 ~ 105	6.00	12.50	ROHS3 Compliant	Active

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): No substitute parts are available at exactly 35 V. All listed substitutes operate at higher voltage ratings (50 V, 63 V, or 80 V), which provide backward compatibility with the original 35 V specification.

For RoHS3 Compliance Requirement: The original 511D336M035AA4D is RoHS non-compliant. All substitute parts listed are ROHS3 compliant, making them suitable for applications requiring environmental compliance. Active production status substitutes include: 336CKE063M, 336KXM050M, 63YXJ33M6.3X11, 80ZLH33MEFC6.3X11, ECA-1JHG330, EKMG630ELL330MF11D, EKYB630ELL330MF11D, and ESH336M050AE3AA.

For Extended Lifetime Applications: Parts with extended lifetime ratings at 105°C include 63YXJ33M6.3X11 (7000 Hrs), EKYB630ELL330MF11D (7000 Hrs), 63YXF33MEFC6.3X11 (5000 Hrs), and 80ZLH33MEFC6.3X11 (6000 Hrs). These are suitable for applications requiring improved reliability over the original 1000-hour specification.

Parts to Avoid: 63YXF33MEFC6.3X11 is marked "Not For New Designs" and 63ZL33MEFC6.3X11 is obsolete. These should not be selected for new circuit designs.

Voltage Rating Selection:

50 V substitutes (336KXM050M, ESH336M050AE3AA): Minimum voltage increase, suitable for applications with tight space constraints
63 V substitutes: Balanced voltage margin and availability across multiple manufacturers
80 V substitutes (80ZLH33MEFC6.3X11): Maximum voltage rating, suitable for applications requiring maximum design margin

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V or 63 V rated capacitor in place of the 35 V 511D336M035AA4D?

A: Yes. Higher voltage-rated capacitors are backward compatible with lower voltage applications. A 50 V or 63 V capacitor will function correctly in a circuit designed for 35 V operation, as the capacitor will not be stressed beyond its rating.

Q: Are there any physical dimension differences I should consider?

A: The original 511D336M035AA4D has a diameter of 6.00 mm and height of 12.00 mm. Most substitutes have a diameter of 6.30 mm and height of 12.50 mm. Verify that your PCB layout accommodates these slightly larger dimensions. ESH336M050AE3AA maintains the original 6.00 mm diameter but has a height of 12.50 mm.

Q: What is the difference between parts with 1000 hours and 7000 hours lifetime at 105°C?

A: Lifetime rating indicates the expected operational duration at maximum temperature (105°C) before the capacitor reaches end-of-life criteria. Parts with 7000-hour ratings (63YXJ33M6.3X11, EKYB630ELL330MF11D) provide seven times longer operational life than the original 1000-hour specification, improving system reliability in high-temperature environments.

Q: Which substitute offers the best RoHS compliance and active production status?

A: Multiple options meet both criteria. 336CKE063M, 336KXM050M, 63YXJ33M6.3X11, 80ZLH33MEFC6.3X11, ECA-1JHG330, EKMG630ELL330MF11D, EKYB630ELL330MF11D, and ESH336M050AE3AA are all ROHS3 compliant and in active production.

Q: Can I mix different substitute part numbers in the same circuit?

A: Yes, provided all substitutes maintain the same capacitance (33 µF), tolerance (±20%), polarization (polar), lead spacing (2.50 mm), and mounting type (through hole). Different manufacturers and voltage ratings can coexist in the same design.

Q: What is the significance of the ±20% tolerance specification?

A: The ±20% tolerance means the actual capacitance value will be within 26.4 µF to 39.6 µF. All listed substitutes maintain this identical tolerance, ensuring equivalent circuit behavior and performance characteristics.

Q: Are there operating temperature range differences between substitutes?

A: Most substitutes operate across -40°C to 105°C, matching the original specification. However, 336KXM050M and ECA-1JHG330 extend the lower temperature limit to -55°C, providing enhanced cold-temperature performance if required by your application.

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