TE Connectivity 4-644695-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 4-644695-3 is a rectangular connector header for through-hole mounting with 13 positions at 2.54mm pitch. This connector is classified as obsolete and operates within the MTA-100 series. The part features male pins with kinked pin and solder termination, designed for board-to-cable/wire applications in general-purpose electronic assemblies.

Due to its obsolete product status, equivalent and substitute parts from active product lines are necessary to ensure continued availability and supply chain reliability for new designs and production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	4-644695-3
Manufacturer	TE Connectivity AMP Connectors
Series	MTA-100
Connector Type	Header
Contact Type	Male Pin
Number of Positions	13
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Kinked Pin, Solder
Operating Temperature Range	-55°C to 105°C
Voltage Rating	250VAC
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 4-644695-3 is determined by the following critical parameters that must remain consistent:

Core Compatibility Parameters:

Number of positions: 13
Pitch spacing: 0.100" (2.54mm)
Connector type: Header with male pins
Mounting type: Through hole
Termination method: Solder
Material flammability: UL94 V-0
Moisture sensitivity level: 1 (Unlimited)

Acceptable Variation Parameters:

Contact finish (tin or gold plating acceptable)
Contact length (minor variations within mechanical envelope)
Operating temperature range (extended range acceptable)
Fastening type (push-pull fastening acceptable for board-to-board variants)
Style (board-to-cable/wire or board-to-board acceptable)
Shrouding (unshrouded maintained across all substitutes)

Substitute parts from Amphenol ICC (FCI) BERGSTIK® series maintain electrical and mechanical compatibility while offering active product status and enhanced compliance certifications.

Parameter Comparison

Parameter	4-644695-3	4-644456-3	77311-122-13LF	77311-124-13LF	77311-127-13LF	77311-422-13LF	77311-424-13LF	77311-427-13LF	77311-822-13LF	77311-824-13LF	77311-827-13LF
Manufacturer	TE Connectivity	TE Connectivity	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC
Number of Positions	13	13	13	13	13	13	13	13	13	13	13
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Kinked Pin, Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Insulation Height	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Insulation Material	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic	Thermoplastic
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature Range	-55°C to 105°C	-55°C to 105°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C	-65°C to 125°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: TE Connectivity 4-644456-3

The 4-644456-3 represents the closest functional equivalent to the 4-644695-3. Both parts are from TE Connectivity AMP Connectors within the MTA-100 series. The primary difference is termination method: the 4-644456-3 uses standard solder termination without kinked pins. This part maintains identical electrical and mechanical specifications, including operating temperature range, voltage rating, and flammability certification. The 4-644456-3 is also classified as obsolete but offers higher inventory availability (1282 units) compared to the original part (1009 units).

Secondary Recommendation: Amphenol ICC BERGSTIK® Series (77311 variants)

The Amphenol ICC BERGSTIK® series provides active product status alternatives with enhanced compliance certifications. All variants maintain the critical 13-position, 2.54mm pitch configuration and through-hole solder termination. These parts offer extended operating temperature range (-65°C to 125°C versus -55°C to 105°C) and REACH compliance status. Selection among BERGSTIK® variants depends on specific contact length and finish requirements:

77311-122-13LF, 77311-124-13LF, 77311-127-13LF: Gold or gold GXT™ contact finish with push-pull fastening. Suitable for board-to-board applications requiring enhanced contact reliability.
77311-422-13LF, 77311-424-13LF, 77311-427-13LF: Tin contact finish with push-pull fastening. Suitable for cost-optimized board-to-board applications.
77311-822-13LF, 77311-824-13LF, 77311-827-13LF: Gold or gold GXT™ contact finish with reduced plating thickness (15.0µin versus 30.0µin). Suitable for applications with stringent cost requirements while maintaining gold contact benefits.

All BERGSTIK® variants feature phosphor bronze contact material and thermoplastic insulation with UL94 V-0 rating, ensuring compatibility with the original part's electrical performance envelope.

Frequently Asked Questions (FAQ)

Q: Can the 4-644695-3 be directly replaced with the 4-644456-3?

A: Yes. Both parts share identical electrical and mechanical specifications within the MTA-100 series. The only difference is the termination method: the original uses kinked pins while the substitute uses standard solder termination. Both are through-hole solder-terminated headers with 13 positions at 2.54mm pitch. The 4-644456-3 is suitable for direct substitution in new designs and production.

Q: What is the difference between TE Connectivity and Amphenol ICC BERGSTIK® options?

A: TE Connectivity parts (4-644695-3 and 4-644456-3) are obsolete, while Amphenol ICC BERGSTIK® series parts are active products. BERGSTIK® variants offer extended operating temperature range (-65°C to 125°C), REACH compliance, and push-pull fastening for board-to-board applications. For new designs requiring long-term supply assurance, BERGSTIK® series is recommended.

Q: How do I select between different BERGSTIK® part numbers?

A: BERGSTIK® variants differ in contact length and contact finish. Contact length variations (0.260", 0.266", or 0.305") accommodate different mating depths. Contact finish options include tin (77311-4xx and 77311-7xx series) or gold/GXT™ (77311-1xx and 77311-8xx series). Select based on your specific mechanical envelope requirements and contact reliability specifications. Packaging differs between bulk (77311-1xx series) and bag (77311-4xx, 77311-7xx, 77311-8xx series).

Q: Are all substitute parts RoHS compliant?

A: Yes. The original 4-644695-3 is RoHS Compliant. The 4-644456-3 is ROHS3 Compliant. All Amphenol ICC BERGSTIK® variants are RoHS Compliant. All parts meet RoHS requirements for new designs.

Q: What is the voltage rating difference between the original and BERGSTIK® substitutes?

A: The original 4-644695-3 has a specified voltage rating of 250VAC. Amphenol ICC BERGSTIK® variants do not specify a voltage rating in the provided data. For applications requiring explicit 250VAC rating confirmation, the 4-644456-3 maintains this specification. For general-purpose applications, BERGSTIK® parts are suitable based on their UL94 V-0 flammability rating and through-hole solder termination design.

Q: Can BERGSTIK® parts with push-pull fastening replace the original board-to-cable/wire style?

A: BERGSTIK® parts are classified as board-to-board connectors with push-pull fastening, while the original is board-to-cable/wire style. Mechanically, both are through-hole headers with identical pitch and position count. For board-to-cable/wire applications, the 4-644456-3 is the preferred substitute. BERGSTIK® parts are suitable if your application can accommodate push-pull fastening or if you are transitioning to board-to-board interconnect architecture.

Q: What is the difference between contact finishes in BERGSTIK® variants?

A: Tin finish (77311-4xx and 77311-7xx series) provides cost-effective corrosion resistance. Gold or GXT™ finish (77311-1xx and 77311-8xx series) provides enhanced contact reliability and lower contact resistance. The 77311-8xx series uses reduced gold plating thickness (15.0µin) compared to 77311-1xx series (30.0µin), offering cost optimization while maintaining gold contact benefits. Select based on your application's contact reliability and cost requirements.

Q: Is inventory availability a consideration for part selection?

A: Yes. The 4-644695-3 has 1009 units in stock, while the 4-644456-3 has 1282 units. BERGSTIK® variants range from 621 to 1151 units in stock. For immediate requirements, all parts offer adequate inventory. For long-term supply assurance, active product status (BERGSTIK® series) is preferable to obsolete status (TE Connectivity MTA-100 series).

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