TX2-3V Equivalent & Substitute Parts Reference

Part Overview

The Panasonic Electric Works TX2-3V is a telecom relay with DPDT (2 Form C) contact configuration rated for 2A at 3VDC. This through-hole mounted component is designed for telecom applications and is currently active in production. Substitute parts may be required due to inventory availability, supply chain considerations, or application-specific performance requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

TX2-3V

Panasonic Electric WorksIn Stock: 3405TX2-3V Datasheet

Current PartRFQ

V23079A1008B301

TE Connectivity Potter & Brumfield RelaysIn Stock: 1777V23079A1008B301 Datasheet

SimilarRFQ

V23079A2008B301

TE Connectivity Potter & Brumfield RelaysIn Stock: 2700V23079A2008B301 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The TX2-3V can be substituted with TE Connectivity Potter & Brumfield Relays models V23079A1008B301 and V23079A2008B301 based on the following matching criteria:

Electrical Compatibility Parameters:

• Coil voltage: 3VDC (identical)
• Contact form: DPDT (2 Form C) (identical)
• Contact rating: 2 A (identical)
• Coil current: 46.7 mA (identical)
• Coil type: Non Latching (identical)
• Must operate voltage: 2.25 VDC (identical)
• Must release voltage: 0.3 VDC (identical)
• Operate time: 4 ms (identical)
• Release time: 4 ms (identical)
• Operating temperature range: -40°C ~ 85°C (identical)
• Coil resistance: 64 Ohms (within tolerance of 64.3 Ohms)

Mechanical Compatibility Parameters:

• Mounting type: Through Hole (identical)
• Termination style: PC Pin (identical)
• Packaging: Tube (identical)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (identical)
• Moisture Sensitivity Level: 1 (Unlimited) (identical)
• REACH Status: REACH Unaffected (identical)
• ECCN: EAR99 (identical)
• HTSUS: 8536.41.0020 (identical)

Both substitute parts are classified as general purpose relays rather than telecom-specific relays, but meet all electrical and mechanical specifications required for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

Both V23079A1008B301 and V23079A2008B301 are direct electrical and mechanical equivalents to the TX2-3V. Selection between these options and the original part should be based on:

Product Status: All three parts maintain active production status, ensuring continued availability and support.

Compliance Certification: All parts are ROHS3 compliant, REACH unaffected, and classified under identical ECCN and HTSUS codes, confirming regulatory equivalence for procurement and deployment.

Inventory Availability: V23079A1008B301 (1722 Pcs) and V23079A2008B301 (2608 Pcs) provide alternative sourcing options when TX2-3V inventory (3300 Pcs) is constrained.

Contact Material Variation: The TE Connectivity substitutes employ Silver Nickel (AgNi) contact material versus the Panasonic part's pure Silver (Ag) composition. Both contact materials meet the specified 2A current rating and 220VDC switching voltage maximum.

Frequently Asked Questions (FAQ)

Q: Can V23079A1008B301 and V23079A2008B301 be used interchangeably with TX2-3V?

A: Yes. Both TE Connectivity parts meet all electrical parameters (3VDC coil, 2A contact rating, 4ms switching times, identical operating voltage thresholds) and mechanical specifications (through-hole mounting, PC pin termination) required for direct substitution in applications designed for the TX2-3V.

Q: What is the difference between V23079A1008B301 and V23079A2008B301?

A: Both parts are electrically and mechanically identical. The difference lies in their base product numbers (1393788 versus 1419120) and inventory levels, which may reflect different manufacturing batches or distribution channels. Selection between them should be based on availability and supply chain requirements.

Q: Are there differences in switching voltage capability?

A: The TE Connectivity substitutes specify 250VAC and 220VDC maximum switching voltage, while the TX2-3V specifies 220VDC maximum. Both meet or exceed the 220VDC requirement. The additional 250VAC rating on the TE Connectivity parts provides expanded application flexibility without compromising DC switching performance.

Q: How do contact material differences affect performance?

A: The TX2-3V uses pure Silver (Ag) contacts, while the substitutes use Silver Nickel (AgNi). Both compositions are rated for 2A continuous current and meet the specified switching voltage limits. Silver Nickel provides enhanced wear resistance and contact reliability in high-cycle applications, while pure silver offers superior electrical conductivity. Both are suitable for the specified electrical parameters.

Q: Are all three parts RoHS and REACH compliant?

A: Yes. TX2-3V, V23079A1008B301, and V23079A2008B301 are all ROHS3 compliant and REACH unaffected, confirming regulatory equivalence for procurement in restricted substance environments.

Q: Can these relays be used in the same PCB layout without modification?

A: Yes. All three parts share identical through-hole mounting type and PC pin termination style, enabling direct board-level substitution without layout changes or rework.