Equivalent & Substitute Parts for UTT0J221MDD

Part Overview

The UTT0J221MDD is a 220 µF, 6.3 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting. The product status is obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.098" (2.50mm)
Diameter	0.248" (6.30mm)
Height	0.354" (9.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UTT0J221MDD is determined by matching the following critical parameters: capacitance value (220 µF), voltage rating (6.3 V), tolerance (±20%), and mounting type (through-hole radial can). The substitute parts are grouped into two categories based on form factor and product status:

MFR Recommended Substitute: UPW0J221MED maintains identical electrical specifications (220 µF, 6.3 V, ±20%) with through-hole radial mounting. This part is obsolete but offers higher ripple current capability and lower impedance.

Similar Substitute: UHV0J221MDD provides equivalent electrical performance with identical lifetime rating (5000 Hrs @ 105°C) and through-hole mounting, with improved ripple current handling and lower impedance.

Alternative Form Factor: UCW0J221MCL1GS matches all electrical parameters but uses surface-mount technology (SMD) with extended lifetime (7000 Hrs @ 105°C). This option is suitable only for designs that can accommodate SMD mounting.

Parameter Comparison

Parameter	UTT0J221MDD	UPW0J221MED	UHV0J221MDD	UCW0J221MCL1GS
Capacitance	220 µF	220 µF	220 µF	220 µF
Voltage Rating	6.3 V	6.3 V	6.3 V	6.3 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ 105°C	5000 Hrs	2000 Hrs	5000 Hrs	7000 Hrs
Operating Temperature	-40°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 105°C	-25°C ~ 105°C
Ripple Current @ 120 Hz	97.8 mA	188.5 mA	180 mA	115 mA
Ripple Current @ 100 kHz	163 mA	290 mA	360 mA	230 mA
Impedance	1.1 Ohms	250 mOhms	230 mOhms	1 Ohms
Mounting Type	Through Hole	Through Hole	Through Hole	Surface Mount
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can - SMD
Product Status	Obsolete	Obsolete	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For through-hole applications requiring direct form-factor compatibility, UHV0J221MDD is the preferred substitute. It maintains identical lifetime rating (5000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), and through-hole radial mounting while offering superior ripple current performance and lower impedance. This part is currently in stock with 3179 units available.

UPW0J221MED is an alternative through-hole option with extended low-temperature capability (-55°C ~ 105°C) and significantly improved ripple current handling. However, the reduced lifetime rating (2000 Hrs @ 105°C) must be evaluated against application requirements.

UCW0J221MCL1GS is suitable only for designs that can accommodate surface-mount technology. This part offers the longest lifetime rating (7000 Hrs @ 105°C) and is the only active product among the substitutes, making it the preferred choice for new designs. It is currently in stock with 4045 units available.

All substitute parts are ROHS3 compliant and carry identical HTSUS and ECCN classifications as the original part.

Frequently Asked Questions (FAQ)

Q: Can UHV0J221MDD be used as a direct replacement for UTT0J221MDD in existing PCB designs?

A: Yes. Both parts are through-hole radial cans with identical capacitance (220 µF), voltage rating (6.3 V), tolerance (±20%), and physical diameter (0.248" / 6.30mm). The height difference is minimal (0.354" vs 0.492"), and lead spacing differs (0.098" vs 0.079"), requiring PCB pad verification. Both maintain 5000-hour lifetime at 105°C.

Q: What is the key difference between UPW0J221MED and UHV0J221MDD?

A: UPW0J221MED has a reduced lifetime rating (2000 Hrs @ 105°C) compared to UHV0J221MDD (5000 Hrs @ 105°C). UPW0J221MED offers extended low-temperature operation (-55°C vs -40°C) and superior ripple current capability. Selection depends on thermal cycling requirements and application lifetime expectations.

Q: Can UCW0J221MCL1GS replace UTT0J221MDD in existing designs?

A: No, not without PCB redesign. UCW0J221MCL1GS is a surface-mount component, while UTT0J221MDD is through-hole. Electrical parameters are equivalent, but mounting technology and land pattern are fundamentally different. This part is suitable only for new designs or boards with SMD capability.

Q: Are all substitute parts RoHS compliant?

A: Yes. UTT0J221MDD, UPW0J221MED, UHV0J221MDD, and UCW0J221MCL1GS are all ROHS3 compliant. UCW0J221MCL1GS is REACH Affected; the other parts are REACH Unaffected.

Q: Which substitute part has the best availability?

A: UCW0J221MCL1GS has the highest inventory (4045 units) and is the only active product. UHV0J221MDD has 3179 units in stock. UPW0J221MED has 1012 units available. All parts are listed as new original stock.

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