TE Connectivity Potter & Brumfield D3202 Equivalent & Substitute Parts

Part Overview

The TE Connectivity Potter & Brumfield D3202 is a telecom relay with DPDT (2 Form C) contact configuration rated for 2A at 12VDC. This through-hole mounted component features palladium, ruthenium, and gold contact materials optimized for telecommunications applications. The D3202 is classified as obsolete, necessitating identification of functionally equivalent substitute components for ongoing system support and new designs requiring compatible relay specifications.

Substiute Parts

D3202

TE Connectivity Potter & Brumfield RelaysIn Stock: 791D3202 Datasheet

Current PartRFQ

TXD2-12V

Panasonic Electric WorksIn Stock: 7040TXD2-12V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the D3202 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Coil voltage: 12VDC
• Contact form: DPDT (2 Form C)
• Contact current rating: 2 A
• Mounting type: Through hole
• Termination style: PC pin
• Operating temperature range: -40°C ~ 85°C
• Coil type: Non latching

Acceptable Variation Parameters:

• Switching voltage: Substitute must support minimum 220VDC (D3202 supports 250VAC, 220VDC maximum)
• Coil current: Variation permitted based on circuit design accommodation
• Coil resistance: Variation permitted based on drive circuit specifications
• Operate/release time: Variation within millisecond range acceptable for non-critical timing applications
• Contact material composition: Variation permitted provided contact rating is maintained
• Seal rating: Variation permitted based on environmental requirements

The Panasonic Electric Works TXD2-12V meets all mandatory matching parameters and operates within acceptable variation ranges for the identified parameters.

Parameter Comparison

Engineering Selection Recommendations

The Panasonic Electric Works TXD2-12V serves as a direct functional substitute for the obsolete TE Connectivity Potter & Brumfield D3202. Selection of the TXD2-12V is supported by the following engineering factors:

Product Status: The D3202 is classified as obsolete, while the TXD2-12V maintains active product status with current manufacturing and distribution support.

Compliance and Certifications: The TXD2-12V carries RoHS3 compliance and REACH unaffected status, providing regulatory alignment for modern applications. Both components share identical ECCN (EAR99) and HTSUS (8536.41.0020) classifications.

Electrical Equivalence: All critical electrical parameters match or remain compatible. The TXD2-12V operates at identical coil voltage, contact form, current rating, and temperature range. The 1 ms increase in release time and 5 mA increase in coil current remain within acceptable operational margins for relay-based circuit designs.

Mechanical Compatibility: Through-hole mounting and PC pin termination are identical, enabling direct PCB footprint compatibility without layout modification.

Environmental Sealing: The TXD2-12V provides fully sealed construction, offering enhanced environmental protection compared to the unspecified seal rating of the D3202.

Frequently Asked Questions (FAQ)

Q: Can the TXD2-12V directly replace the D3202 in existing circuit boards?

A: Yes. Both relays share identical through-hole mounting, PC pin termination, and 12VDC coil voltage. PCB footprints are compatible without modification. Electrical performance remains equivalent across all critical switching parameters.

Q: What is the significance of the coil current difference (11.7 mA vs. 16.7 mA)?

A: The TXD2-12V requires 5 mA additional coil current. Existing drive circuits must supply this increased current. For most standard relay driver circuits, this increase is accommodated within normal design margins. Circuit validation is necessary only if the original design operated at current supply limits.

Q: Does the 1 ms difference in release time affect system performance?

A: The D3202 releases in 3 ms while the TXD2-12V releases in 4 ms. For non-critical timing applications, this 1 ms difference is negligible. Applications requiring precise release timing below 4 ms must evaluate this parameter against specific system requirements.

Q: Why does the TXD2-12V have lower maximum switching voltage (220VDC vs. 250VAC/220VDC)?

A: The TXD2-12V is rated for 220VDC maximum switching voltage, which covers the 220VDC specification of the D3202. The D3202 additionally supports 250VAC. For DC switching applications at 220V or below, the TXD2-12V is fully rated. AC applications above 220V require alternative component selection.

Q: What is the advantage of the fully sealed construction in the TXD2-12V?

A: Sealed construction provides protection against moisture ingress and environmental contamination. This is beneficial for applications in humid, corrosive, or industrial environments. Both components carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating robust moisture handling.

Q: Are there packaging differences between these relays?

A: The D3202 packaging is unspecified in available documentation. The TXD2-12V is supplied in tube packaging. Verify packaging requirements for your procurement and assembly processes.

Q: What compliance certifications apply to the TXD2-12V?

A: The TXD2-12V is RoHS3 compliant and REACH unaffected. Both components share EAR99 ECCN classification and 8536.41.0020 HTSUS code, ensuring regulatory alignment for export and domestic applications.