CWN-561-14-0021 Equivalent & Substitute Parts

Part Overview

The CWN-561-14-0021 is a rectangular connector header manufactured by CW Industries, designed for through-hole mounting applications. This 14-position, 2-row connector with 0.100" (2.54mm) pitch serves board-to-cable/wire interconnection in electronic assemblies. The part is currently in active product status with 949 units in stock. Substitute parts are necessary when the primary part becomes unavailable, when design requirements demand alternative compliance certifications, or when application-specific performance characteristics necessitate alternative contact materials or fastening mechanisms.

Key Parameters

Parameter	CWN-561-14-0021
Connector Type	Header
Contact Type	Male Pin
Number of Positions	14
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Shrouding	Shrouded - 4 Wall
Style	Board to Cable/Wire
Operating Temperature Range	-55°C ~ 125°C
Current Rating	1A
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CWN-561-14-0021 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Connector Type: Header
Contact Type: Male Pin
Number of Positions: 14
Number of Rows: 2
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Termination: Solder
Shrouding: Shrouded - 4 Wall
Style: Board to Cable/Wire
Material Flammability Rating: UL94 V-0

Allowable Variation Parameters:

Contact Shape: Circular or Square
Contact Finish - Mating: Gold (with or without GXT™)
Contact Finish - Post: Nickel, Tin, or Tin-Lead
Contact Material: Phosphor Bronze or Copper Alloy
Insulation Material: Thermoplastic or Glass-Filled Polyester variants
Fastening Type: Latch Lock/Eject Hooks or Push-Pull
Operating Temperature Range: -55°C minimum to 105°C or higher maximum
Current Rating: 1A or higher
Contact Length - Mating: 0.228" to 0.240"
Contact Length - Post: 0.112" to 0.155"
Insulation Height: 0.680" to 0.685"

All substitute parts listed maintain full electrical and mechanical compatibility within these parameter boundaries.

Parameter Comparison

Parameter	CWN-561-14-0021	3314-6002	71918-014LF	N3314-6002RB	N3314-6003RB
Manufacturer	CW Industries	3M	Amphenol ICC (FCI)	3M	3M
Product Status	Active	Obsolete	Active	Active	Active
Connector Type	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	14	14	14	14	14
Number of Rows	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Style	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire
Contact Shape	Circular	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold, GXT™	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Finish - Post	Nickel	Tin-Lead	Tin	Tin	Tin
Contact Material	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Copper Alloy	Copper Alloy
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.155" (3.94mm)	0.112" (2.84mm)	0.114" (2.90mm)	0.112" (2.84mm)	0.155" (3.94mm)
Insulation Height	0.681" (17.30mm)	0.680" (17.27mm)	0.685" (17.40mm)	0.680" (17.27mm)	0.680" (17.27mm)
Insulation Material	Thermoplastic	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Thermoplastic, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled
Insulation Color	Blue	Black	Gray	Black	Black
Fastening Type	Latch Lock/Eject Hooks, Short	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 105°C	Not specified	-55°C ~ 105°C	-55°C ~ 105°C
Current Rating	1A	1A	Not specified	1.75A	1.75A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Inventory Status	949 Pcs New Original In Stock	654 Pcs New Original In Stock	1472 Pcs New Original In Stock	2110 Pcs New Original In Stock	1015 Pcs New Original In Stock

Engineering Selection Recommendations

Primary Selection: CWN-561-14-0021 The CWN-561-14-0021 remains the preferred choice for new designs. It maintains active product status, ROHS3 compliance, and an extended operating temperature range of -55°C to 125°C. The part offers adequate inventory availability with 949 units in stock.

Active Substitute Options:

71918-014LF (Amphenol ICC / FCI Quickie™ Series) This part is recommended as the primary substitute due to active product status and RoHS compliance. The Quickie™ series provides equivalent mechanical and electrical performance with push-pull fastening. Note that operating temperature range and current rating are not specified in available documentation. This part offers the highest inventory availability at 1472 units.

N3314-6002RB (3M, 3000 Series) This substitute is suitable for applications where higher current capacity (1.75A) is beneficial. It maintains active product status and RoHS compliance with 2110 units in stock. Operating temperature range is limited to -55°C to 105°C, which is acceptable for most standard applications. Contact length on the post side is shorter (0.112") compared to the primary part.

N3314-6003RB (3M, 3000 Series) This substitute provides the closest mechanical match to the primary part, with identical contact length on the post side (0.155"). It offers higher current capacity (1.75A) and maintains active product status with RoHS compliance. Operating temperature range is -55°C to 105°C. Inventory availability is 1015 units.

Obsolete / Non-Compliant Option:

3314-6002 (3M, 3000 Series) This part is marked as obsolete and is RoHS non-compliant. It is not recommended for new designs or applications requiring regulatory compliance. Use only in legacy system maintenance where original part specifications are mandatory.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different contact shape (square vs. circular)? A: Yes. Both circular and square contact shapes are acceptable substitutes provided all other critical parameters match. Contact shape does not affect electrical or mechanical compatibility in this connector category.

Q: What is the difference between the fastening types (Latch Lock/Eject Hooks vs. Push-Pull)? A: Both fastening mechanisms provide secure mating and are mechanically compatible. Latch Lock/Eject Hooks offer positive locking with manual release, while Push-Pull fasteners provide quick-connect/disconnect capability. Selection depends on application requirements for connection frequency and user interface preference.

Q: Are the 3M N3314-6002RB and N3314-6003RB parts interchangeable? A: These parts are mechanically and electrically interchangeable. The primary difference is contact length on the post side: N3314-6002RB has 0.112" (2.84mm) while N3314-6003RB has 0.155" (3.94mm). Selection depends on PCB thickness and solder joint requirements.

Q: Why does the CWN-561-14-0021 have a higher operating temperature range than some substitutes? A: The CWN-561-14-0021 is rated to 125°C, while most 3M alternatives are rated to 105°C. This difference reflects design and material choices by each manufacturer. For applications requiring operation above 105°C, the primary part or 71918-014LF (if temperature rating is confirmed) should be specified.

Q: Is RoHS compliance a critical factor for substitute selection? A: RoHS compliance is mandatory for applications subject to EU regulations or customer requirements. The 3314-6002 is RoHS non-compliant and should not be used in regulated applications. All other listed substitutes maintain RoHS compliance.

Q: What is the significance of the contact finish thickness difference between post finishes? A: Contact finish thickness on the post side affects solder joint durability and thermal cycling performance. Thicker finishes (200.0µin / 5.08µm on 3M parts) provide enhanced protection against solder reflow cycles compared to thinner finishes (50.0µin / 1.27µm on the primary part). Both are acceptable for standard applications.

Q: Can I mix substitute parts in the same assembly? A: All listed substitutes are mechanically and electrically compatible with each other. However, for consistency and traceability, using a single part number throughout an assembly is recommended as a best practice.

Q: What packaging options are available for these parts? A: The CWN-561-14-0021 is available in standard packaging. The 3314-6002 and 3M N-series parts are supplied in bulk packaging. The 71918-014LF is supplied in tube packaging. Packaging selection may affect handling, storage, and automated assembly processes.

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