CWN-562-40-0021 Equivalent & Substitute Parts

Part Overview

The CWN-562-40-0021 is a rectangular connector header manufactured by CW Industries, designed for through-hole mounting applications. This 40-position, 2-row connector with 0.100" (2.54mm) pitch is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, enabling component interchangeability in board-level applications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	40
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Shrouding	Shrouded - 4 Wall
Termination	Solder
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CWN-562-40-0021 is determined by strict alignment of the following parameters:

Connector Type: Header
Contact Type: Male Pin
Number of Positions: 40
Number of Rows: 2
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Shrouding: Shrouded - 4 Wall
Termination: Solder
Material Flammability Rating: UL94 V-0
RoHS Status: ROHS3 or RoHS Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All identified substitute parts meet these core electrical and mechanical criteria. Variations in contact finish, insulation material, fastening type, and contact geometry are permitted within the scope of board-level interchangeability.

Parameter Comparison

Parameter	CWN-562-40-0021 (CW Industries)	09185406924 (HARTING)	71918-040LF (Amphenol ICC)	N3432-6002RB (3M)
Connector Type	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	40	40	40	40
Number of Rows	2	2	2	2
Pitch - Mating	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)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder	Solder
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.228" (5.80mm)	0.240" (6.10mm)
Contact Length - Post	0.155" (3.94mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.112" (2.84mm)
Insulation Height	0.681" (17.30mm)	0.681" (17.30mm)	0.685" (17.40mm)	0.680" (17.27mm)
Contact Finish - Mating	Gold	Gold	Gold, GXT™	Gold
Contact Finish - Post	Nickel	Tin	Tin	Tin
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	Not specified	-55°C ~ 105°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and comply with RoHS directives. Selection among CWN-562-40-0021, 09185406924, 71918-040LF, and N3432-6002RB is based on the following compliance and availability factors:

CWN-562-40-0021 (CW Industries): ROHS3 Compliant. 797 units in stock. Operating temperature range -55°C to 125°C. Contact post finish is Nickel with 50.0µin thickness. Current rating 1A.

09185406924 (HARTING): ROHS3 Compliant. 1116 units in stock. Operating temperature range -55°C to 125°C. Contact post finish is Tin. Includes mounting flange feature.

71918-040LF (Amphenol ICC): RoHS Compliant. 1395 units in stock. Operating temperature not specified. Contact post finish is Tin with 78.7µin thickness. Includes mounting flange feature. Quickie™ series designation.

N3432-6002RB (3M): RoHS Compliant. 791 units in stock. Operating temperature range -55°C to 105°C. Contact post finish is Tin with 200.0µin thickness. Current rating 1.75A. Includes mounting flange feature.

For applications requiring the full -55°C to 125°C operating range, CWN-562-40-0021 and 09185406924 are preferred. For applications with lower temperature requirements (-55°C to 105°C), N3432-6002RB is suitable. All parts are moisture insensitive (MSL 1).

Frequently Asked Questions (FAQ)

Q: Can 09185406924 replace CWN-562-40-0021 in existing designs?

A: Yes. Both parts share identical connector type, contact type, position count, row configuration, pitch, row spacing, mounting type, shrouding, termination method, and flammability rating. The primary difference is contact post length (0.114" vs. 0.155") and post finish material (Tin vs. Nickel). Board layout compatibility must be verified for post length variation.

Q: What is the difference between the contact post finishes?

A: CWN-562-40-0021 uses Nickel post finish (50.0µin thickness). Substitute parts 09185406924, 71918-040LF, and N3432-6002RB use Tin post finish with varying thicknesses (78.7µin to 200.0µin). Both finishes are solder-compatible and suitable for through-hole termination.

Q: Does operating temperature range affect substitution?

A: CWN-562-40-0021 and 09185406924 support -55°C to 125°C. N3432-6002RB supports -55°C to 105°C. For applications requiring operation above 105°C, only CWN-562-40-0021 or 09185406924 are suitable.

Q: Are all substitute parts RoHS compliant?

A: Yes. CWN-562-40-0021 and 09185406924 are ROHS3 Compliant. 71918-040LF and N3432-6002RB are RoHS Compliant. All meet regulatory requirements for lead-free solder applications.

Q: What packaging formats are available?

A: CWN-562-40-0021 packaging is not specified. 09185406924 is supplied in Bulk. 71918-040LF is supplied in Tube. N3432-6002RB is supplied in Bulk. Packaging selection depends on assembly process requirements.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes, provided board layout accommodates post length variations. CWN-562-40-0021 has 0.155" post length, while 09185406924, 71918-040LF, and N3432-6002RB have shorter post lengths (0.112" to 0.114"). Solder pad depth and through-hole depth must be verified for each part.

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