DF11-24DP-2DSA(20) Equivalent & Substitute Parts

Part Overview

The DF11-24DP-2DSA(20) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole board-to-board or cable applications. This 24-position, 2-row connector operates at 2A per contact and 250V, with a 2.00mm pitch and shrouded 4-wall design. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and component sourcing.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	24
Number of Rows	2
Pitch - Mating	0.079" (2.00mm)
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Through Hole
Shrouding	Shrouded - 4 Wall
Termination	Solder
Current Rating	2A
Voltage Rating	250V
Operating Temperature	-30°C ~ 85°C
Contact Material	Brass
Contact Finish	Tin
Insulation Material	Polyamide (PA), Nylon
Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution for the DF11-24DP-2DSA(20) is determined by strict alignment of the following critical parameters:

Connector geometry: 24 positions, 2 rows, 2.00mm pitch, shrouded 4-wall design
Electrical specifications: Contact type (male pin), current and voltage ratings
Mounting and termination: Through-hole solder termination
Material and environmental compliance: Brass contacts with tin finish, polyamide insulation, UL94 V-0 rating

Three substitute parts meet these criteria:

DF11-24DP-2DSA(24) (Hirose Electric Co Ltd) — Direct series equivalent with active product status
2-1470109-4 (TE Connectivity AMP Connectors) — Cross-manufacturer equivalent from AMPMODU series
SWR204-NRTN-D12-ST-GA (Sullins Connector Solutions) — Cross-manufacturer equivalent from SWR204 series

Parameter Comparison

Parameter	DF11-24DP-2DSA(20)	DF11-24DP-2DSA(24)	2-1470109-4	SWR204-NRTN-D12-ST-GA
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	TE Connectivity AMP Connectors	Sullins Connector Solutions
Product Status	Obsolete	Active	Active	Active
Connector Type	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	24	24	24	24
Number of Rows	2	2	2	2
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder
Fastening Type	Detent Lock	Detent Lock	Detent Lock	Detent Lock
Contact Length - Post	0.118" (3.00mm)	0.118" (3.00mm)	0.118" (3.00mm)	0.118" (3.00mm)
Insulation Height	0.260" (6.60mm)	0.260" (6.60mm)	0.256" (6.50mm)	0.256" (6.50mm)
Contact Shape	Square	Square	Square	Square
Contact Finish	Tin	Tin	Tin	Tin
Contact Material	Brass	Brass	Brass	Brass
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6
Operating Temperature	-30°C ~ 85°C	-30°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	2A	2A	3A	3A per Contact
Voltage Rating	250V	250V	100VDC	50V
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	Vendor Undefined	REACH Unaffected

Engineering Selection Recommendations

DF11-24DP-2DSA(24) is the primary substitute. As an active Hirose product within the same DF11 series, it provides direct functional equivalence with identical electrical and mechanical specifications. It achieves ROHS3 compliance, addressing the non-compliance status of the obsolete DF11-24DP-2DSA(20). Inventory availability is substantial at 31,465 units.

2-1470109-4 (TE Connectivity AMPMODU series) serves as a secondary cross-manufacturer option. It maintains all critical geometric and electrical parameters with ROHS3 compliance. The current rating increases to 3A, and voltage rating reduces to 100VDC. Insulation height is 0.004" lower (6.50mm vs 6.60mm). This part is suitable for applications where the lower voltage specification is acceptable.

SWR204-NRTN-D12-ST-GA (Sullins SWR204 series) is a tertiary alternative with ROHS3 compliance and REACH compliance confirmation. Current rating is 3A per contact, and voltage rating is 50V. Insulation height matches the TE Connectivity part at 0.256" (6.50mm). This option is appropriate for lower-voltage applications within the 50V specification.

All three substitutes maintain the critical 24-position, 2-row, 2.00mm pitch geometry and shrouded 4-wall design. Selection depends on voltage and current requirements of the target application.

Frequently Asked Questions (FAQ)

Q: Can DF11-24DP-2DSA(24) directly replace DF11-24DP-2DSA(20)?

A: Yes. Both parts share identical connector geometry, pitch, row spacing, contact configuration, and electrical ratings. The primary difference is product status (active vs. obsolete) and RoHS compliance. Mechanical and electrical compatibility is complete.

Q: What are the voltage and current limitations when using cross-manufacturer substitutes?

A: The TE Connectivity 2-1470109-4 is rated for 100VDC maximum, and the Sullins SWR204-NRTN-D12-ST-GA is rated for 50V maximum. Both support 3A per contact, exceeding the original 2A specification. Applications requiring the original 250V rating must use DF11-24DP-2DSA(24).

Q: Are there dimensional differences between the main part and substitutes?

A: Insulation height differs slightly. The Hirose DF11-24DP-2DSA(24) maintains 0.260" (6.60mm), matching the original. The TE Connectivity and Sullins parts are 0.004" lower at 0.256" (6.50mm). This difference is within typical PCB design tolerances but should be verified for applications with tight mechanical constraints.

Q: Do all substitutes meet RoHS and REACH requirements?

A: DF11-24DP-2DSA(24) and SWR204-NRTN-D12-ST-GA are ROHS3 compliant with confirmed REACH status. The TE Connectivity 2-1470109-4 is ROHS3 compliant with vendor-undefined REACH status. Confirm REACH compliance with the supplier if required for your application.

Q: What is the operating temperature range for each part?

A: DF11-24DP-2DSA(20) and DF11-24DP-2DSA(24) operate from -30°C to 85°C. The TE Connectivity 2-1470109-4 and Sullins SWR204-NRTN-D12-ST-GA operate from -25°C to 85°C. The 5°C difference at the lower limit should be evaluated for applications requiring extended cold-temperature performance.

Q: Are packaging differences significant for procurement?

A: DF11-24DP-2DSA(24) is supplied in tube packaging. Both 2-1470109-4 and SWR204-NRTN-D12-ST-GA are supplied in bulk packaging. Confirm packaging requirements with your assembly process and supplier.

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