Amphenol ICC 63453-020LF Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 63453-020LF is a 20-position receptacle connector with 0.079" (2.00mm) pitch, designed for board-to-board applications. This connector features gold-plated mating contacts, through-hole solder termination, and push-pull fastening. The part is currently active in production with 952 units in stock. Equivalent and substitute parts are identified to provide design flexibility, ensure supply chain continuity, and accommodate specific application requirements where electrical and mechanical parameters align with the original specification.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	20
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Operating Temperature Range	-55°C ~ 125°C
Current Rating	2A
Voltage Rating	200V
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the 63453-020LF are qualified based on the following critical parameters that must align with the original specification:

Connector geometry: 20-position receptacle, 0.079" (2.00mm) pitch, 2-row configuration
Electrical interface: Female socket contacts with gold mating finish
Mounting and termination: Through-hole solder termination with push-pull fastening
Environmental rating: Operating temperature range and flammability compliance
Electrical performance: Current and voltage ratings suitable for the application

The substitute parts listed below maintain these core parameters while allowing for variations in contact finish thickness, insulation material composition, and specific dimensional tolerances that do not affect functional compatibility in board-to-board connector applications.

Parameter Comparison

Parameter	63453-020LF (Amphenol ICC)	0791077009 (Molex)	0791077059 (Molex)	0791077209 (Molex)	M22-7141042 (Harwin)
Manufacturer	Amphenol ICC	Molex	Molex	Molex	Harwin Inc.
Series	Minitek® 2.00mm	Milli-Grid 79107	Milli-Grid 79107	Milli-Grid 79107	M22
Number of Positions	20	20	20	20	20
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2	2	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 105°C
Current Rating (Amps)	2A	1A	1A	1A	2A
Voltage Rating	200V	125V	125V	125V	500VAC
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Material Flammability Rating	UL94 V-0	Not specified	Not specified	Not specified	UL94 V-0
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT), Glass Filled	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	Thermoplastic, Glass Filled	Liquid Crystal Polymer (LCP)
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Height	0.177" (4.50mm)	0.175" (4.45mm)	0.175" (4.45mm)	0.175" (4.45mm)	0.173" (4.40mm)
Contact Length - Post	0.098" (2.50mm)	0.118" (3.00mm)	0.118" (3.00mm)	0.075" (1.91mm)	0.094" (2.40mm)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Selection (63453-020LF - Amphenol ICC Minitek® 2.00mm)

The original Amphenol ICC 63453-020LF is the preferred choice for applications requiring the full specified electrical performance: 2A current rating, 200V voltage rating, and -55°C to 125°C operating temperature range. This part carries UL94 V-0 flammability certification and is RoHS Compliant. Use this part when the complete electrical and thermal envelope is required.

Equivalent Selection (M22-7141042 - Harwin Inc. M22 Series)

The Harwin M22-7141042 provides electrical performance that meets or exceeds the original specification: 2A current rating, 500VAC voltage rating, and UL94 V-0 flammability certification. The operating temperature range is -40°C to 105°C, which is narrower than the original but suitable for many industrial and general-purpose applications. This part is ROHS3 Compliant and offers higher voltage capability. Select this part when higher voltage rating or enhanced mechanical robustness is beneficial.

Substitute Selection (Molex Milli-Grid 79107 Series: 0791077009, 0791077059, 0791077209)

The three Molex Milli-Grid 79107 variants are functional substitutes for applications where the reduced current rating (1A) and voltage rating (125V) are acceptable. These parts maintain the same connector geometry, pitch, and push-pull fastening. Differences include:

0791077009 and 0791077209: Contact finish thickness of 15.0µin (0.38µm) on mating surface
0791077059: Contact finish thickness of 30.0µin (0.76µm) on mating surface
0791077209: Shorter contact post length of 0.075" (1.91mm) compared to 0.118" (3.00mm) in 0791077009 and 0791077059

All three Molex variants are ROHS3 Compliant and operate across -55°C to 125°C. Select these parts only when the reduced electrical ratings align with application requirements and when supply or cost considerations justify the trade-off.

Frequently Asked Questions (FAQ)

Q: Can the Molex Milli-Grid 79107 parts be used as direct replacements for the Amphenol ICC 63453-020LF?

A: The Molex parts are mechanically and geometrically compatible but have reduced electrical ratings. The Molex variants are rated for 1A at 125V, while the original Amphenol part is rated for 2A at 200V. Use Molex substitutes only if your application operates within the lower electrical envelope.

Q: What is the difference between the three Molex substitute part numbers?

A: The primary differences are contact post length and mating contact finish thickness. Part 0791077209 has a shorter contact post (0.075" vs. 0.118"), while 0791077059 has thicker gold plating on the mating surface (30.0µin vs. 15.0µin). These variations may affect mating force and contact durability in specific applications.

Q: Is the Harwin M22-7141042 a better choice than the Molex alternatives?

A: The Harwin M22-7141042 maintains the 2A current rating and exceeds the voltage specification at 500VAC, making it electrically superior to the Molex options. However, its operating temperature range is narrower (-40°C to 105°C vs. -55°C to 125°C). Select the Harwin part if higher voltage capability is required and the narrower temperature range is acceptable.

Q: Are all substitute parts RoHS compliant?

A: Yes. The original Amphenol part is RoHS Compliant, while all substitute parts are ROHS3 Compliant, which represents an updated compliance standard. All parts meet RoHS requirements.

Q: What should I consider when selecting between these parts?

A: Evaluate your application against these criteria: required current rating, voltage rating, operating temperature range, and flammability certification. The Amphenol original and Harwin M22-7141042 both support 2A current. The Harwin part offers higher voltage but narrower temperature range. Molex variants are suitable only for lower-power applications (1A, 125V).

Q: Do these connectors have different PCB footprints?

A: All parts maintain the same 0.079" (2.00mm) pitch and 2-row configuration, ensuring PCB footprint compatibility. Minor dimensional variations in insulation height and contact post length do not affect board-level mounting.

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