MOV-07D101K Equivalent & Substitute Parts

Part Overview

The MOV-07D101K is a 100 V, 1.2 kA disc varistor manufactured by Bourns Inc., designed for transient voltage suppression in through-hole applications. This component is actively produced and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics (varistor voltage, surge current capacity, and energy rating) and mechanical compatibility (disc form factor and through-hole mounting). Alternative sources provide equivalent or enhanced performance specifications for applications requiring component availability, supply chain flexibility, or specific manufacturer certifications.

Key Parameters

Parameter	MOV-07D101K (Bourns)
Varistor Voltage (Typ)	100 V
Varistor Voltage Range (Min-Max)	90 V – 110 V
Current - Surge	1.2 kA
Energy	6.5 J
Maximum AC Volts	60 V
Maximum DC Volts	85 V
Operating Temperature	-40°C ~ 85°C
Package / Case	Disc 7mm
Mounting Type	Through Hole
Number of Circuits	1
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Electrical Equivalence: Varistor voltage (typical value 100 V within 90–110 V range), maximum AC/DC voltage ratings (60 V AC, 85 V DC), and operating temperature range (-40°C ~ 85°C minimum).

Mechanical Compatibility: Through-hole mounting, disc form factor (7mm or 8.5mm diameter), and single-circuit configuration.

Performance Tier Classification:

Direct Substitutes (Enhanced Performance): Parts matching all electrical parameters with equal or higher surge current capacity and energy rating.
Similar Substitutes (Equivalent Performance): Parts matching core electrical parameters with comparable or lower surge current and energy specifications.
Functional Alternatives (Reduced Performance): Parts meeting voltage and temperature requirements but with significantly lower surge current capacity.

The following parts satisfy substitution criteria based on provided specifications:

Direct Substitutes:

ERZ-V07D101 (Panasonic): 1.75 kA surge, 8.5J energy, 8.5mm disc
V07E60P (Littelfuse): 1.75 kA surge, 12J energy, 7mm disc

Similar Substitutes:

B72207S0600K101 (EPCOS - TDK): 1.2 kA surge, 4.8J energy, 7mm disc, -40°C ~ 105°C
B72207S0600K111 (EPCOS - TDK): 1.2 kA surge, 4.8J energy, 7mm disc, -40°C ~ 105°C
B72207S0600K211 (EPCOS - TDK): 1.2 kA surge, 4.8J energy, 7mm disc, -40°C ~ 105°C
V100ZA3P (Littelfuse): 1.2 kA surge, 5J energy, 7mm disc, -55°C ~ 85°C

Functional Alternatives:

VDRS05C060BSE (Vishay): 400 A surge, 2.9J energy, 7mm disc

Parameter Comparison

Part Number	Manufacturer	Varistor Voltage (Typ)	Surge Current	Energy	Max AC / DC Volts	Operating Temp	Package	RoHS Status
MOV-07D101K	Bourns Inc.	100 V	1.2 kA	6.5 J	60 V / 85 V	-40°C ~ 85°C	Disc 7mm	ROHS3
ERZ-V07D101	Panasonic	100 V	1.75 kA	8.5 J	60 V / 85 V	-40°C ~ 85°C	Disc 8.5mm	ROHS3
V07E60P	Littelfuse Inc.	100 V	1.75 kA	12 J	60 V / 85 V	-40°C ~ 85°C	Disc 7mm	ROHS3
B72207S0600K101	EPCOS - TDK Electronics	100 V	1.2 kA	4.8 J	60 V / 85 V	-40°C ~ 105°C	Disc 7mm	ROHS3
B72207S0600K111	EPCOS - TDK Electronics	100 V	1.2 kA	4.8 J	60 V / 85 V	-40°C ~ 105°C	Disc 7mm	ROHS3
B72207S0600K211	EPCOS - TDK Electronics	100 V	1.2 kA	4.8 J	60 V / 85 V	-40°C ~ 105°C	Disc 7mm	ROHS3
V100ZA3P	Littelfuse Inc.	100 V	1.2 kA	5 J	60 V / 81 V	-55°C ~ 85°C	Disc 7mm	ROHS3
VDRS05C060BSE	Vishay Beyschlag	100 V	400 A	2.9 J	60 V / 85 V	-40°C ~ 85°C	Disc 7mm	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance): Select B72207S0600K101, B72207S0600K111, or B72207S0600K211 (EPCOS - TDK Electronics). These parts maintain 1.2 kA surge current and 100 V varistor voltage specifications. The extended operating temperature range (-40°C ~ 105°C) provides additional thermal margin. All are ROHS3 compliant and actively produced.

For Enhanced Performance (Higher Surge Capacity): Select ERZ-V07D101 (Panasonic) or V07E60P (Littelfuse). Both provide 1.75 kA surge current and higher energy absorption (8.5 J and 12 J respectively). ERZ-V07D101 uses an 8.5mm disc form factor; V07E60P maintains the 7mm package. Both are ROHS3 compliant and actively produced.

For Extended Temperature Range: Select V100ZA3P (Littelfuse) for applications requiring operation down to -55°C. This part maintains 1.2 kA surge current and 100 V varistor voltage with ROHS3 compliance. Maximum DC voltage is 81 V (versus 85 V on the primary part).

For Cost-Optimized Selection (Lower Energy Requirements): Select VDRS05C060BSE (Vishay) only if application surge current requirements do not exceed 400 A. This part provides significant cost reduction but is suitable only for lower-energy transient suppression applications.

All recommended substitutes are ROHS3 compliant, REACH unaffected, and actively produced with confirmed inventory availability.

Frequently Asked Questions (FAQ)

Q: Can ERZ-V07D101 replace MOV-07D101K directly in a PCB layout? A: ERZ-V07D101 uses an 8.5mm disc form factor versus the 7mm package of MOV-07D101K. Physical board layout verification is required. Electrical performance is enhanced (1.75 kA versus 1.2 kA surge current).

Q: What is the difference between B72207S0600K101, B72207S0600K111, and B72207S0600K211? A: All three parts are electrically identical (100 V, 1.2 kA, 4.8 J). The difference is packaging: B72207S0600K101 is supplied in bulk; B72207S0600K111 and B72207S0600K211 are supplied in cut tape (CT). Selection depends on procurement and assembly requirements.

Q: Is V100ZA3P suitable for applications operating below -40°C? A: Yes. V100ZA3P operates from -55°C to 85°C, extending the lower temperature limit by 15°C compared to MOV-07D101K. Maximum DC voltage is 81 V (versus 85 V), which must be verified against circuit requirements.

Q: When should VDRS05C060BSE be selected? A: VDRS05C060BSE is suitable only for applications where transient surge current does not exceed 400 A. The 2.9 J energy rating is significantly lower than MOV-07D101K (6.5 J). This part is not a general replacement but a cost-optimized alternative for low-energy suppression circuits.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of MOV-07D101K.

Q: What is the key parameter determining substitution eligibility? A: The 100 V varistor voltage (90–110 V range) is the primary electrical criterion. Surge current capacity (1.2 kA minimum for direct equivalence) and energy rating (6.5 J baseline) determine performance tier. Through-hole mounting and disc form factor (7mm or 8.5mm) ensure mechanical compatibility.

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