ROV07-220L Equivalent & Substitute Parts

Part Overview

The ROV07-220L is a 22V 250A disc varistor manufactured by Littelfuse Inc., designed for transient voltage suppression in through-hole applications. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance requirements. The varistor operates across a temperature range of -40°C to 125°C with a disc form factor of 7mm, providing single-circuit transient protection with 1.4J energy absorption capability.

Key Parameters

Parameter	Value
Varistor Voltage (Typ)	22 V
Current - Surge	250 A
Maximum AC Volts	14 V
Maximum DC Volts	18 V
Energy	1.4 J
Number of Circuits	1
Mounting Type	Through Hole
Package / Case	Disc 7mm
Operating Temperature	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Varistor Voltage (Typ): Must be 22 V
Current - Surge: Must be 250 A or greater
Maximum AC Volts: Must be 14 V or greater
Maximum DC Volts: Must be 18 V or greater
Number of Circuits: Must be 1
Mounting Type: Must be Through Hole
RoHS Status: Must be ROHS3 Compliant

Parts are grouped into two categories based on package compatibility:

Category A - Direct Package Match (Disc 7mm): V22ZA1P, B72207S0140K211, MOV-07D220K, MOV-07D220KTR

Category B - Alternative Package (Disc 8.5mm or 9mm): ERZ-V07D220, VDRS07B014TSE

Parameter Comparison

Part Number	Manufacturer	Varistor Voltage (Typ)	Current - Surge	Max AC Volts	Max DC Volts	Energy	Package / Case	Operating Temp	Product Status
ROV07-220L	Littelfuse Inc.	22 V	250 A	14 V	18 V	1.4 J	Disc 7mm	-40°C ~ 125°C	Obsolete
V22ZA1P	Littelfuse	22 V	250 A	14 V	18 V	0.9 J	Disc 7mm	-55°C ~ 85°C	Active
B72207S0140K211	EPCOS - TDK Electronics	22 V	250 A	14 V	18 V	0.9 J	Disc 7mm	-40°C ~ 105°C	Active
MOV-07D220K	Bourns Inc.	22 V	250 A	14 V	18 V	1.1 J	Disc 7mm	-40°C ~ 85°C	Active
MOV-07D220KTR	Bourns Inc.	22 V	250 A	14 V	18 V	1.1 J	Disc 7mm	-40°C ~ 85°C	Active
ERZ-V07D220	Panasonic Electronic Components	22 V	500 A	14 V	18 V	1.3 J	Disc 8.5mm	-40°C ~ 85°C	Active
VDRS07B014TSE	Vishay Beyschlag/Draloric/BC Components	22 V	250 A	14 V	18 V	1.7 J	Disc 9mm	-40°C ~ 85°C	Active

Engineering Selection Recommendations

All substitute parts listed meet the minimum electrical requirements for the ROV07-220L and carry ROHS3 compliance status. Selection should be based on the following criteria:

For Direct PCB Replacement (Disc 7mm package): V22ZA1P, B72207S0140K211, MOV-07D220K, and MOV-07D220KTR are suitable without mechanical modification. MOV-07D220KTR offers the highest inventory availability at 7,841 pieces in cut tape packaging.

For Extended Temperature Range: B72207S0140K211 supports operation to 105°C, providing the widest temperature window among 7mm alternatives.

For Enhanced Surge Current Capability: ERZ-V07D220 provides 500A surge current capacity, double the original specification, at the cost of increased package size (Disc 8.5mm).

For Maximum Energy Absorption: VDRS07B014TSE delivers 1.7J energy absorption, exceeding the original 1.4J specification, with a Disc 9mm package requiring PCB layout adjustment.

All parts are currently in active production status with substantial inventory availability.

Frequently Asked Questions (FAQ)

Q: Can V22ZA1P be used as a direct replacement for ROV07-220L?

A: V22ZA1P meets all electrical substitution criteria with identical 22V nominal voltage, 250A surge current, and 7mm disc package. The operating temperature range is -55°C to 85°C compared to the original -40°C to 125°C. Energy absorption is 0.9J versus 1.4J. Substitution is valid for applications within the V22ZA1P temperature and energy specifications.

Q: What is the difference between MOV-07D220K and MOV-07D220KTR?

A: Both parts are electrically identical with 22V nominal voltage, 250A surge current, and 1.1J energy absorption. The primary difference is packaging: MOV-07D220K is supplied in bulk, while MOV-07D220KTR is supplied in cut tape format. MOV-07D220KTR has higher inventory availability.

Q: Why does ERZ-V07D220 have a larger package (Disc 8.5mm) than the original?

A: ERZ-V07D220 is rated for 500A surge current, double the original 250A specification. The larger package accommodates the enhanced surge current capability. PCB layout modification is required for this substitution.

Q: Can VDRS07B014TSE be used in the same PCB footprint as ROV07-220L?

A: No. VDRS07B014TSE uses a Disc 9mm package compared to the original Disc 7mm. Physical PCB modification is necessary. However, it provides superior energy absorption at 1.7J and maintains all electrical specifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original ROV07-220L compliance status.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message