Equivalent & Substitute Parts for 336HSM050M

Part Overview

The 336HSM050M is a 33 µF, 50 V aluminum electrolytic capacitor in radial configuration manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The part operates across a temperature range of -40°C to 125°C with a rated lifetime of 2000 hours at 125°C, suitable for general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value	Unit
Capacitance	33	µF
Tolerance	±20%	—
Voltage - Rated	50	V
ESR @ 120 Hz	5.024	Ohm
Lifetime @ Temperature	2000 Hrs @ 125°C	—
Operating Temperature Range	-40°C ~ 125°C	—
Ripple Current @ 120 Hz	85	mA
Ripple Current @ 10 kHz	106.25	mA
Lead Spacing	0.138" (3.50 mm)	—
Size / Dimension	0.315" Dia (8.00 mm)	—
Height - Seated (Max)	0.512" (13.00 mm)	—
Mounting Type	Through Hole	—
Package / Case	Radial, Can	—
Polarization	Polar	—

Substitute Part Grouping Explanation

Substitution of the 336HSM050M is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 33 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 50 V minimum (equal or higher voltage acceptable)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)
Lead Spacing: 0.138" (3.50 mm) (exact match required)
Size / Dimension: 0.315" Dia (8.00 mm) (exact match required)
Operating Temperature Range: -40°C ~ 125°C minimum (equal or wider range acceptable)
Lifetime @ Temperature: 2000 Hrs @ 125°C minimum (equal or longer acceptable)

Substitute Categories:

Direct Equivalents (50 V Rating): Parts meeting all primary criteria with identical 50 V voltage rating.

EEU-TA1H330 (Panasonic)
UBT1H330MPD8 (Nichicon)
EEU-TA1H330B (Panasonic, packaging variant)

Upgraded Substitutes (63 V Rating): Parts with higher voltage rating (63 V) that maintain all other electrical and mechanical parameters. Higher voltage rating provides additional design margin.

50RX3033M8X11.5 (Rubycon, 50 V equivalent with enhanced temperature rating)
63RX3033M8X11.5 (Rubycon, 63 V upgrade)
EGXE630ELL330MH12D (Chemi-Con, 63 V upgrade)
UBT1J330MPD8 (Nichicon, 63 V upgrade)

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Voltage (V)	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Height (Max)	Product Status	RoHS Status
336HSM050M	Cornell Dubilier / Illinois Capacitor	33	50	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.138" (3.50 mm)	0.512" (13.00 mm)	Obsolete	—
EEU-TA1H330	Panasonic Electronic Components	33	50	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.138" (3.50 mm)	0.492" (12.50 mm)	Active	ROHS3 Compliant
UBT1H330MPD8	Nichicon	33	50	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.138" (3.50 mm)	0.453" (11.50 mm)	Active	ROHS3 Compliant
EEU-TA1H330B	Panasonic Electronic Components	33	50	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.197" (5.00 mm)	0.492" (12.50 mm)	Active	ROHS3 Compliant
50RX3033M8X11.5	Rubycon	33	50	±20%	2000 Hrs @ 130°C	-40°C ~ 130°C	0.138" (3.50 mm)	0.512" (13.00 mm)	Active	ROHS3 Compliant
63RX3033M8X11.5	Rubycon	33	63	±20%	2000 Hrs @ 130°C	-40°C ~ 130°C	0.138" (3.50 mm)	0.531" (13.50 mm)	Active	ROHS3 Compliant
EGXE630ELL330MH12D	Chemi-Con	33	63	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.138" (3.50 mm)	0.531" (13.50 mm)	Active	ROHS3 Compliant
UBT1J330MPD8	Nichicon	33	63	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.138" (3.50 mm)	0.531" (13.50 mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection (50 V Rating):

EEU-TA1H330 and UBT1H330MPD8 are direct electrical and mechanical equivalents to the 336HSM050M. Both parts are active products with ROHS3 compliance. EEU-TA1H330 offers higher ripple current capacity (195 mA @ 120 Hz versus 85 mA in the original part) and lower impedance (450 mOhms), providing improved performance characteristics. UBT1H330MPD8 is rated for automotive applications and offers comparable ripple current performance (150 mA @ 120 Hz) with identical impedance (450 mOhms).

EEU-TA1H330B is a packaging variant of EEU-TA1H330 with increased lead spacing (0.197" versus 0.138"), suitable only for applications where PCB layout accommodates the wider spacing.

Upgraded Substitute Selection (63 V Rating):

Parts with 63 V voltage rating provide additional design margin for applications subject to voltage transients or where circuit design permits higher voltage components. 50RX3033M8X11.5 maintains the 50 V rating while offering enhanced temperature performance (2000 Hrs @ 130°C) and improved impedance (280 mOhms). This part is AEC-Q200 rated for automotive applications.

63RX3033M8X11.5, EGXE630ELL330MH12D, and UBT1J330MPD8 all feature 63 V ratings with AEC-Q200 automotive qualification (except UBT1J330MPD8, which lacks AEC-Q200 rating). These parts are suitable for applications requiring higher voltage margin or automotive-grade reliability.

All substitute parts maintain the required 33 µF capacitance, ±20% tolerance, through-hole mounting, radial can package, and 0.138" (3.50 mm) lead spacing of the original component, with the exception of EEU-TA1H330B.

Frequently Asked Questions (FAQ)

Q: Can EEU-TA1H330B be used as a direct replacement for 336HSM050M?

A: EEU-TA1H330B differs in lead spacing (0.197" versus 0.138"), making it unsuitable for PCB layouts designed for the original part. Use EEU-TA1H330 instead, which maintains identical lead spacing.

Q: What is the advantage of selecting a 63 V rated substitute over a 50 V equivalent?

A: 63 V rated parts provide additional voltage margin for circuit protection against transient overvoltage conditions. Selection depends on circuit design requirements and available board space, as some 63 V variants have increased height dimensions.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. The original 336HSM050M does not specify RoHS status due to its obsolete classification.

Q: Which substitute offers the lowest impedance?

A: 50RX3033M8X11.5 offers the lowest impedance at 280 mOhms, compared to 450 mOhms for EEU-TA1H330 and UBT1H330MPD8, and 1.5 Ohms for the 63 V upgrade options.

Q: Can I use a substitute with higher ripple current rating than the original specification?

A: Yes. Higher ripple current capacity indicates improved performance margin. EEU-TA1H330 (195 mA @ 120 Hz) and UBT1H330MPD8 (150 mA @ 120 Hz) both exceed the original 85 mA specification, providing enhanced thermal performance.

Q: What is the difference between direct equivalents and upgraded substitutes?

A: Direct equivalents (EEU-TA1H330, UBT1H330MPD8) maintain the 50 V voltage rating. Upgraded substitutes feature 63 V ratings, providing higher voltage margin. Selection depends on circuit voltage requirements and design specifications.

Q: Are automotive-rated parts suitable for general-purpose applications?

A: Yes. Automotive-rated parts (AEC-Q200 qualified) meet or exceed general-purpose requirements. These parts are suitable for any application requiring equivalent electrical and mechanical specifications.

Q: What is the maximum operating temperature for each substitute?

A: EEU-TA1H330, UBT1H330MPD8, EGXE630ELL330MH12D, and UBT1J330MPD8 operate to 125°C. 50RX3033M8X11.5 and 63RX3033M8X11.5 operate to 130°C, providing extended temperature performance.

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