CWN-501-10-0021 Equivalent & Substitute Parts

Part Overview

The CWN-501-10-0021 is a rectangular connector header manufactured by CW Industries, designed for through-hole, right-angle board-to-cable/wire applications. This shrouded 10-position header with 2.54mm pitch is an active product with 1036 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, enabling component interchangeability in applications where the primary part becomes unavailable or when design requirements permit alternative contact materials or fastening mechanisms.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	10
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Contact Length - Mating	0.240" (6.10mm)
Contact Finish - Mating	Gold
Material Flammability Rating	UL94 V-0
Operating Temperature Range	-55°C ~ 125°C
Current Rating	1A
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CWN-501-10-0021 is determined by strict alignment of the following critical parameters:

Connector Type: Header
Contact Type: Male Pin
Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 10
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Shrouding: Shrouded - 4 Wall
Termination: Solder
Contact Length - Mating: 0.240" (6.10mm)
Contact Finish - Mating: Gold
Material Flammability Rating: UL94 V-0

The substitute part N3793-5002RB (3M, Series 3000) meets all critical substitution parameters. Variations in contact material (Copper Alloy vs. Phosphor Bronze), contact finish post composition (Tin vs. Nickel), fastening type (Push-Pull vs. Latch Lock/Eject Hooks), insulation material composition, and operating temperature upper limit (105°C vs. 125°C) are secondary parameters that do not preclude substitution when the primary electrical and mechanical interfaces remain compatible.

Parameter Comparison

Parameter	CWN-501-10-0021 (CW Industries)	N3793-5002RB (3M)
Connector Type	Header	Header
Contact Type	Male Pin	Male Pin
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	10	10
Number of Rows	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.090" (2.29mm)	0.112" (2.84mm)
Insulation Height	0.350" (8.89mm)	0.340" (8.64mm)
Contact Shape	Circular	Square
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Material	Phosphor Bronze	Copper Alloy
Contact Finish - Post	Nickel	Tin
Insulation Material	Thermoplastic	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled
Fastening Type	Latch Lock/Eject Hooks, Short	Push-Pull
Operating Temperature	-55°C ~ 125°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Current Rating (Amps)	1A	1.75A
Insulation Color	Blue	Black
RoHS Status	ROHS3 Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both the CWN-501-10-0021 and N3793-5002RB are active products with ROHS3/RoHS compliance and REACH unaffected status, meeting current regulatory requirements. The N3793-5002RB provides higher current capacity (1.75A vs. 1A) and operates within the lower temperature range of -55°C to 105°C, compared to the CWN-501-10-0021 upper limit of 125°C. Selection between these parts should be based on application-specific thermal and current requirements. Both connectors maintain identical mating pitch, position count, and shrouded 4-wall configuration, ensuring mechanical and electrical interface compatibility at the board level.

Frequently Asked Questions (FAQ)

Q: Can N3793-5002RB replace CWN-501-10-0021 in all applications?

A: Substitution is valid when application operating temperature does not exceed 105°C and current requirements do not exceed 1.75A. The identical mating pitch (2.54mm), position count (10), row configuration (2 rows), and shrouded 4-wall design ensure mechanical compatibility. Differences in contact shape (square vs. circular) and fastening mechanism (push-pull vs. latch lock) do not affect electrical interface compatibility.

Q: What are the key differences between these two connectors?

A: Primary differences include operating temperature upper limit (105°C vs. 125°C), current rating (1.75A vs. 1A), contact material (Copper Alloy vs. Phosphor Bronze), contact post finish (Tin vs. Nickel), fastening type (Push-Pull vs. Latch Lock/Eject Hooks), and insulation material composition. All critical mating parameters remain identical.

Q: Are both parts suitable for high-reliability applications?

A: Both connectors meet UL94 V-0 flammability requirements and maintain MSL 1 (Unlimited) moisture sensitivity ratings. Regulatory compliance is equivalent. Application-specific reliability requirements should be evaluated against operating temperature and current specifications.

Q: Does contact shape difference (circular vs. square) affect compatibility?

A: Contact shape does not affect mating compatibility when pitch, position count, and mating contact length remain identical. Both circular and square contact geometries are compatible with standard 2.54mm pitch receptacles.

Q: What is the inventory status for these parts?

A: CWN-501-10-0021 has 1036 units in stock. N3793-5002RB has 1302 units in stock. Both are active products with current availability.

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