SH220M100ST Equivalent & Substitute Parts

Part Overview

The SH220M100ST is a 22 µF, 100 V aluminum electrolytic capacitor in radial, can format manufactured by Cornell Dubilier Electronics (CDE). This part is classified as obsolete, necessitating identification of active alternative components that maintain equivalent electrical and mechanical characteristics for continued system support and new production applications.

Key Parameters

Parameter	SH220M100ST
Capacitance	22 µF
Tolerance	±20%
Voltage - Rated	100 V
Package / Case	Radial, Can
Size / Dimension	0.315" Dia (8.00mm)
Lead Spacing	0.138" (3.50mm)
Mounting Type	Through Hole
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution compatibility for the SH220M100ST is determined by strict equivalence of the following electrical and mechanical parameters:

Critical Parameters:

Capacitance: 22 µF (exact)
Tolerance: ±20% (exact)
Voltage Rating: 100 V (exact)
Package: Radial, Can (exact)
Physical Dimensions: 0.315" Dia × Height (maximum 0.453")
Lead Spacing: 0.138" (3.50mm) (exact)
Mounting: Through Hole (exact)
RoHS Status: ROHS3 Compliant

Performance Parameters:

Lifetime @ Temperature: 2000 Hrs @ 105°C (minimum)
Operating Temperature Range: -40°C to 105°C (minimum)

The following parts satisfy these equivalence criteria and are identified as direct substitutes or upgrades:

SEK220M100ST — Cornell Dubilier Electronics (Active, Upgrade)
EEU-FC2A220 — Panasonic Electronic Components (Active, Direct)
UPW2A220MPD — Nichicon (Active, Upgrade)

Parameter Comparison

Parameter	SH220M100ST	SEK220M100ST	EEU-FC2A220	UPW2A220MPD
Manufacturer	CDE	CDE	Panasonic	Nichicon
Series	SH	SEK	FC	UPW
Capacitance	22 µF	22 µF	22 µF	22 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	100 V	100 V	100 V	100 V
Lead Spacing	0.138" (3.50mm)	0.138" (3.50mm)	0.138" (3.50mm)	0.138" (3.50mm)
Size / Dimension	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)	0.315" Dia (8.00mm)
Height - Seated (Max)	0.453" (11.50mm)	0.433" (11.00mm)	0.453" (11.50mm)	0.453" (11.50mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Lifetime @ Temp.	2000 Hrs @ 105°C	2000 Hrs @ 105°C	2000 Hrs @ 105°C	3000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Product Status	Obsolete	Active	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SEK220M100ST (Cornell Dubilier Electronics) Active product status with improved lower operating temperature minimum (-55°C versus -40°C) and equivalent electrical performance. Direct manufacturer lineage from the obsolete SH series provides validated design continuity.

EEU-FC2A220 (Panasonic Electronic Components) Active automotive-qualified component (AEC-Q200) with extended ripple current specifications (169 mA @ 120 Hz, 260 mA @ 100 kHz) compared to the original part (115 mA @ 120 Hz, 161 mA @ 10 kHz). Higher ripple current ratings provide enhanced thermal margin in power application environments. Identical physical dimensions and mounting footprint.

UPW2A220MPD (Nichicon) Active component with extended lifetime rating (3000 Hrs @ 105°C versus 2000 Hrs @ 105°C) and expanded ripple current capability (230 mA @ 100 kHz). Product status listed as "Not For New Designs," limiting applicability to legacy system maintenance only.

Frequently Asked Questions (FAQ)

Q: Can SEK220M100ST directly replace SH220M100ST in existing PCB layouts? A: Yes. Both parts share identical capacitance, voltage rating, lead spacing (0.138" / 3.50mm), and physical diameter (0.315" / 8.00mm). The SEK220M100ST has a maximum seated height of 0.433" versus 0.453" for the SH220M100ST, providing a dimensional advantage for space-constrained designs.

Q: What is the advantage of EEU-FC2A220 over the original SH220M100ST? A: EEU-FC2A220 provides equivalent electrical parameters with certified automotive reliability (AEC-Q200) and significantly higher ripple current ratings. It supports 169 mA @ 120 Hz compared to 115 mA for the original, reducing thermal stress in switched-mode power supply applications.

Q: Is UPW2A220MPD suitable for new product designs? A: UPW2A220MPD carries a "Not For New Designs" status and should be used only for legacy system repairs and field replacements. For new designs, SEK220M100ST or EEU-FC2A220 are recommended.

Q: Are all substitute parts through-hole mount compatible with the original PCB? A: Yes. All identified substitutes feature through-hole mounting with identical lead spacing (0.138" / 3.50mm) and radial, can package format, ensuring direct PCB footprint compatibility.

Q: Do all substitute parts meet RoHS3 compliance requirements? A: Yes. SEK220M100ST, EEU-FC2A220, and UPW2A220MPD are all ROHS3 Compliant, matching the original part's environmental compliance status.

Q: What is the minimum operating temperature range supported by substitutes? A: SEK220M100ST, EEU-FC2A220, and UPW2A220MPD all support -55°C minimum operating temperature, compared to -40°C for the original SH220M100ST, providing extended low-temperature capability.

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