B72207S0301K201 Equivalent & Substitute Parts

Part Overview

The B72207S0301K201 is a 470 V, 1.2 kA disc varistor manufactured by EPCOS - TDK Electronics, designed for transient voltage suppression in through-hole applications. This component is classified as Active product status with full RoHS3 compliance. Substitute parts are identified when electrical parameters, mechanical form factor, and regulatory certifications remain identical across manufacturing batches or variant designations within the same product family.

Substiute Parts

B72207S0301K201

EPCOS - TDK ElectronicsIn Stock: 990B72207S0301K201 Datasheet

Current PartRFQ

B72207S0301K101

EPCOS - TDK ElectronicsIn Stock: 24237B72207S0301K101 Datasheet

Parametric EquivalentRFQ

B72207S0301K103

EPCOS - TDK ElectronicsIn Stock: 5594B72207S0301K103 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the B72207S0301K201 are qualified based on strict electrical and mechanical parameter matching:

Critical Substitution Parameters:

• Varistor voltage range (Min/Typ/Max): 423 V / 470 V / 517 V
• Surge current rating: 1.2 kA
• Maximum AC and DC voltage ratings: 300 V AC / 385 V DC
• Energy dissipation: 23 J
• Package form factor: Disc 7mm through-hole
• Operating temperature range: -40°C to 105°C
• Number of circuits: 1
• Capacitance: 100 pF @ 1 kHz

All identified substitutes maintain identical electrical performance and mechanical compatibility. Variations in part number suffixes (K201, K101, K103) represent manufacturing batch designations or packaging variants within the B72207S base product family, with no functional differences in the specified parameters.

Parameter Comparison

Engineering Selection Recommendations

All three part numbers—B72207S0301K201, B72207S0301K101, and B72207S0301K103—are functionally equivalent for transient voltage suppression applications requiring 470 V varistor protection with 1.2 kA surge capacity. Selection among these substitutes may be based on:

• Inventory availability: B72207S0301K101 maintains the highest stock level (24,207 pcs), followed by B72207S0301K103 (5,522 pcs) and B72207S0301K201 (880 pcs).
• Regulatory compliance: All parts maintain identical RoHS3 compliance, REACH unaffected status, and EAR99 export classification.
• Supply chain continuity: Any of the three parts satisfy identical electrical and mechanical requirements for direct substitution in circuit designs.

Frequently Asked Questions (FAQ)

Q: Can B72207S0301K101 or B72207S0301K103 be used as direct replacements for B72207S0301K201?

A: Yes. All three part numbers are parametric equivalents with identical electrical ratings (470 V varistor voltage, 1.2 kA surge current), mechanical form factor (Disc 7mm through-hole), and regulatory certifications. The suffix variations (K201, K101, K103) represent manufacturing batch or packaging designations with no functional differences in the specified parameters.

Q: Are there any differences in operating temperature range or environmental performance?

A: No. All substitute parts operate across the identical temperature range of -40°C to 105°C with matching capacitance (100 pF @ 1 kHz) and energy dissipation (23 J).

Q: What determines substitution eligibility for this varistor family?

A: Substitution is determined by matching varistor voltage range (423–517 V), surge current (1.2 kA), maximum AC/DC ratings (300 V AC / 385 V DC), package form factor (Disc 7mm), and mounting type (through-hole). All identified substitutes meet these criteria.

Q: Are there any compliance or certification differences between the three parts?

A: No. All parts carry identical RoHS3 compliance, REACH unaffected status, and EAR99 export classification. Moisture sensitivity level is not applicable for all variants.