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UVR2A221MHA Equivalent & Substitute Parts
Part Overview
The Nichicon UVR2A221MHA is a 220 µF, 100 V aluminum electrolytic capacitor in radial, can package configuration. This component is classified as obsolete, making direct replacement necessary for new procurement and ongoing system support. The UVR series represents legacy design specifications with a 2000-hour lifetime rating at 85°C. Equivalent and substitute parts maintain the core electrical specifications—220 µF capacitance, ±20% tolerance, and 100 V rated voltage—while offering improved reliability characteristics, enhanced compliance status, and extended operational lifetimes.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 220 | µF |
| Tolerance | ±20% | — |
| Voltage - Rated | 100 | V |
| Polarization | Polar | — |
| Package / Case | Radial, Can | — |
| Lead Spacing | 0.197" (5.00mm) | — |
| Size / Dimension | 0.492" Dia (12.50mm) | — |
| Height - Seated (Max) | 1.063" (27.00mm) | — |
| Mounting Type | Through Hole | — |
| Operating Temperature | -40°C ~ 85°C | — |
| Lifetime @ Temp. | 2000 Hrs @ 85°C | — |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict adherence to the following parameters:
- Capacitance: 220 µF (exact match required)
- Tolerance: ±20% (exact match required)
- Voltage - Rated: 100 V (exact match required)
- Polarization: Polar (exact match required)
- Package / Case: Radial, Can (exact match required)
- Lead Spacing: 0.197" (5.00mm) (exact match required)
- Size / Dimension: 0.492" Dia (12.50mm) (exact match required)
- Height - Seated (Max): 1.043" to 1.063" (mechanical tolerance range acceptable)
- Mounting Type: Through Hole (exact match required)
All substitute parts listed maintain these core electrical and mechanical specifications. Variations in lifetime ratings, operating temperature ranges, ripple current capabilities, and impedance characteristics represent performance enhancements rather than substitution barriers, provided the mandatory parameters remain identical.
Parameter Comparison
| Part Number | Manufacturer | Capacitance (µF) | Voltage (V) | Tolerance | Lifetime @ Temp. | Operating Temp. Range | Height (Max) | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| UVR2A221MHA | Nichicon | 220 | 100 | ±20% | 2000 Hrs @ 85°C | -40°C ~ 85°C | 1.063" | Obsolete | RoHS non-compliant |
| UVR2A221MHD | Nichicon | 220 | 100 | ±20% | 2000 Hrs @ 85°C | -40°C ~ 85°C | 1.063" | Not For New Designs | ROHS3 Compliant |
| 100YXJ220M12.5X25 | Rubycon | 220 | 100 | ±20% | 10000 Hrs @ 105°C | -40°C ~ 105°C | 1.063" | Active | ROHS3 Compliant |
| 100ZLH220MEFC12.5X25 | Rubycon | 220 | 100 | ±20% | 10000 Hrs @ 105°C | -40°C ~ 105°C | 1.063" | Active | ROHS3 Compliant |
| 227CKE100M | Cornell Dubilier / Illinois Capacitor | 220 | 100 | ±20% | 2000 Hrs @ 105°C | -40°C ~ 105°C | 1.043" | Active | ROHS3 Compliant |
| ESMG101ELL221MK25S | Chemi-Con | 220 | 100 | ±20% | 2000 Hrs @ 85°C | -40°C ~ 85°C | 1.043" | Active | ROHS3 Compliant |
| 100ZLJ220M12.5X25 | Rubycon | 220 | 100 | ±20% | 10000 Hrs @ 105°C | -40°C ~ 105°C | 1.063" | Active | ROHS3 Compliant |
| ECA-2AHG221 | Panasonic Electronic Components | 220 | 100 | ±20% | 2000 Hrs @ 105°C | -55°C ~ 105°C | 1.063" | Active | ROHS3 Compliant |
| EGPD101ELL221MK25H | Chemi-Con | 220 | 100 | ±20% | 2000 Hrs @ 135°C | -40°C ~ 135°C | 1.043" | Active | ROHS3 Compliant |
| EKY-101ELL221MK25S | Chemi-Con | 220 | 100 | ±20% | 10000 Hrs @ 105°C | -40°C ~ 105°C | 1.043" | Active | ROHS3 Compliant |
| EKYA101ELL221MK25S | Chemi-Con | 220 | 100 | ±20% | 10000 Hrs @ 105°C | -40°C ~ 105°C | 1.043" | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Replacement (Same Lifetime Rating)
UVR2A221MHD (Nichicon) provides the closest functional match to the obsolete UVR2A221MHA. Both maintain 2000-hour lifetime at 85°C and identical electrical specifications. UVR2A221MHD carries ROHS3 compliance, addressing regulatory requirements while preserving the original design intent. This part is designated "Not For New Designs," indicating limited future availability.
ESMG101ELL221MK25S (Chemi-Con) offers equivalent 2000-hour lifetime at 85°C with active product status and ROHS3 compliance. Mechanical height is 1.043" versus the original 1.063", remaining within acceptable through-hole PCB mounting tolerances.
Extended Lifetime Alternatives (10000 Hours @ 105°C)
100ZLJ220M12.5X25 (Rubycon) and EKY-101ELL221MK25S (Chemi-Con) provide 10000-hour lifetime ratings at 105°C with active product status. These parts deliver enhanced reliability for applications requiring extended operational life or elevated ambient temperatures. Both maintain identical lead spacing and footprint compatibility.
High-Temperature Rated Option
EGPD101ELL221MK25H (Chemi-Con) is rated for 2000 hours at 135°C with AEC-Q200 automotive qualification. This part addresses applications requiring extended temperature performance beyond standard industrial ranges. Height specification is 1.043", compatible with standard through-hole mounting.
Compliance Consideration
All substitute parts listed carry ROHS3 compliance status. The original UVR2A221MHA is RoHS non-compliant. Selection of any substitute part automatically satisfies RoHS3 regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can UVR2A221MHA be replaced with a part having different height specifications?
A: Yes. The original part height is 1.063" (27.00mm). Substitute parts with 1.043" (26.50mm) height remain compatible with standard through-hole PCB designs, as this variation falls within normal mechanical tolerances for radial capacitor mounting.
Q: What is the difference between direct substitutes and upgrade options?
A: Direct substitutes maintain the original 2000-hour lifetime rating at 85°C. Upgrade options extend lifetime to 10000 hours at 105°C or higher temperature ratings. All maintain identical electrical specifications (220 µF, 100 V, ±20% tolerance) and mechanical footprints.
Q: Is ROHS3 compliance mandatory for replacement?
A: All substitute parts listed carry ROHS3 compliance. If your application requires RoHS non-compliant components, the original UVR2A221MHA must be sourced from legacy inventory. For new designs and ongoing procurement, ROHS3-compliant alternatives are standard.
Q: Can I use EKY-101ELL221MK25S in place of UVR2A221MHA without circuit redesign?
A: Yes. EKY-101ELL221MK25S maintains identical capacitance (220 µF), voltage rating (100 V), tolerance (±20%), lead spacing (5.00mm), and case dimensions (12.50mm diameter). The 10000-hour lifetime at 105°C represents improved performance, not a functional change. Through-hole mounting compatibility is preserved.
Q: What is the inventory status for substitute parts?
A: 100ZLJ220M12.5X25 (Rubycon) has the highest inventory availability at 157,232 pieces. EKY-101ELL221MK25S (Chemi-Con) has 1,000,400 pieces in stock. All listed substitutes are active products with established supply chains.
Q: Are there mechanical clearance concerns when switching from UVR2A221MHA to substitute parts?
A: No. All substitute parts maintain 0.197" (5.00mm) lead spacing and 0.492" (12.50mm) diameter specifications. Height variation between 1.043" and 1.063" is within standard PCB design tolerances for radial capacitor mounting and does not require layout modifications.
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