C93430 Equivalent & Substitute Parts Reference

Part Overview

The C93430 is a telecom relay manufactured by TE Connectivity Potter & Brumfield Relays, classified as a DPDT (Double Pole Double Throw) switching device rated for 2A at 48VDC. This through-hole mounted relay operates as a non-latching type with a coil resistance of 4.1 kOhms and is designed for telecommunications applications within the MT2 and AXICOM series.

The C93430 carries an obsolete product status. Locating equivalent and substitute parts is necessary for system maintenance, repair, and redesign applications where original components are no longer available through standard distribution channels or when inventory depletion requires alternative sourcing strategies.

Substiute Parts

C93430

TE Connectivity Potter & Brumfield RelaysIn Stock: 738C93430 Datasheet

Current PartRFQ

C93430

TE Connectivity Potter & Brumfield RelaysIn Stock: 738C93430 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the C93430 telecom relay is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Coil voltage: 48VDC
• Contact form: DPDT (2 Form C)
• Contact rating: 2 A minimum
• Switching voltage capability: 250VAC, 220VDC maximum
• Coil current: 11.5 mA
• Coil resistance: 4.1 kOhms
• Must operate voltage: 31.2 VDC
• Must release voltage: 4.8 VDC

Mechanical Specifications:

• Mounting type: Through Hole
• Termination style: PC Pin
• Relay type: Telecom classification

Environmental & Compliance:

• Operating temperature range: -55°C ~ 85°C
• Contact material: Silver Nickel (AgNi), Gold (Au)
• RoHS3 compliance
• REACH unaffected status

A substitute part must match all electrical specifications, maintain through-hole PC pin termination, and satisfy the same environmental operating range and compliance certifications to ensure functional and regulatory equivalence.

Parameter Comparison

Engineering Selection Recommendations

The C93430 telecom relay is classified as obsolete. The substitute part identified (C93430) represents a parametric equivalent with complete alignment across all electrical, mechanical, and environmental specifications.

Compliance Considerations:

The C93430 maintains ROHS3 compliance and REACH unaffected status, satisfying current regulatory requirements for electronic component procurement in regulated industries. Both the main part and substitute retain these certifications, ensuring continued compliance in applications subject to environmental and hazardous substance restrictions.

Product Status Impact:

The obsolete designation indicates that the C93430 is no longer in active production. Component selection for new designs or system replacements should consider long-term availability. The parametric equivalent identified shares identical specifications and certifications, supporting direct substitution in existing applications.

Operational Reliability:

The specified operating temperature range of -55°C to 85°C, combined with Silver Nickel and Gold contact materials, supports reliable operation across industrial and telecommunications environments. The 2A contact rating and 48VDC coil voltage are standard for telecom switching applications. The non-latching coil type with 5ms operate time and 3ms release time provide predictable switching performance for control and signal routing functions.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the C93430 telecom relay?

A: A valid substitute must match all electrical parameters including 48VDC coil voltage, DPDT contact form, 2A contact rating, 4.1 kOhms coil resistance, and 11.5mA coil current. The substitute must also maintain through-hole PC pin termination, operate across the -55°C to 85°C temperature range, and retain ROHS3 and REACH compliance status.

Q: Can the C93430 be replaced with a relay having different coil voltage?

A: No. The 48VDC coil voltage is a critical electrical parameter. Substitution with different coil voltages (such as 24VDC or 12VDC) would require circuit redesign and is not considered a direct equivalent substitution.

Q: Is the contact form DPDT (2 Form C) interchangeable with other contact configurations?

A: No. The DPDT (2 Form C) contact form is specific to the switching topology required by the application. Relays with SPDT (1 Form C) or other contact arrangements are not functionally equivalent and cannot be substituted.

Q: What is the significance of the 2A contact rating?

A: The 2A contact rating specifies the maximum continuous current the relay contacts can safely switch. Substitutes must maintain this 2A minimum rating. Relays with lower current ratings (such as 1A) are not suitable. Relays with higher ratings (such as 5A or 10A) may be physically larger and incompatible with through-hole PC pin footprints.

Q: Does the PC Pin termination style affect substitution?

A: Yes. The PC Pin termination style is a mechanical requirement for through-hole mounting on printed circuit boards. Substitutes must use identical PC Pin termination. Relays with solder tab, blade, or other termination styles are not compatible with the original PCB layout.

Q: Why is the operating temperature range -55°C to 85°C important for substitution?

A: The operating temperature range defines the environmental conditions in which the relay functions reliably. Substitutes must support the same temperature extremes. Relays with narrower ranges (such as 0°C to 70°C) are not suitable for applications requiring extended temperature operation.

Q: What role does contact material (Silver Nickel and Gold) play in substitution?

A: Contact material affects electrical conductivity, corrosion resistance, and switching reliability. The specified Silver Nickel and Gold composition is optimized for telecom applications. Substitutes must use identical contact materials to ensure equivalent electrical performance and contact life.

Q: Is ROHS3 compliance mandatory for substitution?

A: ROHS3 compliance is a regulatory requirement in many jurisdictions. The C93430 is ROHS3 compliant. Substitutes must maintain this compliance status to satisfy procurement requirements and regulatory obligations in regulated industries.

Q: How does the obsolete product status affect component sourcing?

A: Obsolete status indicates the component is no longer manufactured. Sourcing is limited to existing inventory from distributors or secondary markets. When selecting substitutes, prioritize parts with active production status or confirmed long-term availability to support future maintenance and system expansion.

Q: Can the C93430 be used in applications requiring latching relay functionality?

A: No. The C93430 is specified as a non-latching relay type. Non-latching relays require continuous coil energization to maintain contact position. Applications requiring latching functionality (where contacts remain in position after coil de-energization) require latching relay types and cannot use the C93430.