TE Connectivity ALCOSWITCH 4-435640-0 Equivalent & Substitute Parts

Part Overview

The TE Connectivity ALCOSWITCH 4-435640-0 is a DIP rocker switch with SPST (Single Pole Single Throw) configuration, rated for 60mA at 5VDC. This 9-position through-hole component features a raised rocker actuator with gold-plated copper alloy contacts and sealed construction suitable for washable applications. The part is classified as Obsolete, necessitating identification of equivalent substitute components for ongoing design support and procurement requirements.

Substiute Parts

4-435640-0

TE Connectivity ALCOSWITCH SwitchesIn Stock: 7744-435640-0 Datasheet

Current PartRFQ

4-5435640-0

TE Connectivity ALCOSWITCH SwitchesIn Stock: 43934-5435640-0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 4-435640-0 is based on electrical and mechanical parameter equivalence within the TE Connectivity ALCOSWITCH 7100 series. The substitute part 4-5435640-0 maintains identical specifications across all critical functional parameters: SPST circuit configuration, 9-position arrangement, 60mA current rating, 5VDC voltage rating, rocker actuator design, through-hole mounting, PC pin termination, 0.100" pitch, copper alloy gold-plated contacts, sealed construction, and -55°C to 105°C operating temperature range. Both components deliver equivalent mechanical life (2,000 cycles) and electrical life (2,000 cycles).

The primary distinction between these parts is product status and packaging. The original 4-435640-0 is Obsolete with limited inventory (709 pieces), while the substitute 4-5435640-0 carries Last Time Buy status with greater availability (4,374 pieces) and is packaged in Tube format. The substitute additionally provides RoHS3 compliance and MSL Level 1 rating, offering improved regulatory alignment for new designs.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity ALCOSWITCH 4-5435640-0 serves as the direct functional equivalent for the obsolete 4-435640-0. All electrical and mechanical parameters remain identical, ensuring drop-in compatibility within existing circuit designs and PCB layouts. The substitute part maintains the same footprint, pitch spacing, and performance characteristics across the full operating temperature range.

Selection of the 4-5435640-0 is supported by its Last Time Buy status, which provides extended procurement window compared to the Obsolete classification of the original part. The substitute offers RoHS3 compliance certification, aligning with current regulatory requirements for new product designs and manufacturing processes. MSL Level 1 rating eliminates moisture sensitivity constraints during storage and handling.

For applications requiring the original 4-435640-0, the 4-5435640-0 represents the appropriate transition path. Inventory availability (4,374 pieces) supports both immediate requirements and long-term production planning. Tube packaging format accommodates automated assembly processes and component handling systems.

Frequently Asked Questions (FAQ)

Q: Can the 4-5435640-0 substitute directly for the 4-435640-0 in existing designs?

A: Yes. The 4-5435640-0 maintains identical electrical and mechanical specifications, including circuit configuration, current and voltage ratings, actuator design, mounting type, termination style, and pitch. PCB layouts and circuit designs require no modification.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and packaging. The 4-435640-0 is classified as Obsolete with standard packaging, while the 4-5435640-0 carries Last Time Buy status and is supplied in Tube packaging. The 4-5435640-0 additionally provides RoHS3 compliance and MSL Level 1 certification.

Q: Does the Tube packaging of the 4-5435640-0 affect compatibility?

A: No. Tube packaging is a distribution format that does not affect component functionality, electrical performance, or mechanical fit. The actual component specifications and physical dimensions remain identical.

Q: Are there any temperature or environmental limitations when substituting?

A: No. Both parts operate across the identical temperature range of -55°C to 105°C and maintain sealed construction with washable characteristics. Environmental performance is equivalent.

Q: What does Last Time Buy status mean for the 4-5435640-0?

A: Last Time Buy indicates that TE Connectivity will continue to supply this part for a defined period before discontinuation. This provides a transition window for design migration and inventory planning, offering greater availability than the Obsolete 4-435640-0.

Q: Is RoHS3 compliance important for my application?

A: RoHS3 compliance is required for products sold in regulated markets and is increasingly standard for new designs. The 4-5435640-0 meets this requirement, while the original 4-435640-0 carries Not Applicable status. For new designs, the compliant substitute is the appropriate selection.

Q: Can I use the 4-5435640-0 in high-reliability or aerospace applications?

A: Component selection for high-reliability applications depends on specific qualification requirements beyond the provided specifications. Consult application-specific standards and TE Connectivity technical documentation for qualification status.