DF11G-28DP-2V(20) Equivalent & Substitute Parts

Part Overview

The DF11G-28DP-2V(20) is a surface mount rectangular connector header manufactured by Hirose Electric Co Ltd, featuring 28 positions arranged in 2 rows with 0.079" (2.00mm) pitch. This connector is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design support and procurement. The part operates within -30°C to 85°C temperature range with 2A current rating and 250V voltage rating, utilizing shrouded 4-wall design with detent lock fastening.

Key Parameters

Parameter	Value
Manufacturer Part Number	DF11G-28DP-2V(20)
Manufacturer	Hirose Electric Co Ltd
Category	Rectangular Connectors
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.079" (2.00mm)
Number of Positions	28
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Shrouding	Shrouded - 4 Wall
Fastening Type	Detent Lock
Operating Temperature	-30°C ~ 85°C
Current Rating	2A
Voltage Rating	250V
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters: mating pitch (0.079" / 2.00mm), number of positions (28), number of rows (2), row spacing (0.079" / 2.00mm), connector type (header), contact type (male pin), mounting type (surface mount), and termination method (solder). All substitute parts must maintain these core electrical and mechanical specifications to ensure board-level compatibility.

The DF11GZ-28DP-2V(20) represents a direct manufacturer equivalent within the Hirose DF11 series, differing only in RoHS compliance status and contact finish thickness specification. The Samtec TMMH-114 series substitutes share identical mating pitch, position count, row configuration, and surface mount termination, but introduce design variations in shrouding (unshrouded vs. shrouded), contact shape (square vs. circular), fastening mechanism (push-pull vs. detent lock), insulation material (LCP vs. polyamide), and operating temperature range (-55°C to 125°C vs. -30°C to 85°C). These variations require design validation for specific applications.

Parameter Comparison

Parameter	DF11G-28DP-2V(20)	DF11GZ-28DP-2V(20)	TMMH-114-04-F-DV-EP	TMMH-114-04-F-DV-EPC	TMMH-114-04-G-DV-EP	TMMH-114-04-G-DV-EPC	TMMH-114-04-L-DV-EP	TMMH-114-04-L-DV-EPC	TMMH-114-04-S-DV-EP	TMMH-114-04-S-DV-EPC	TMMH-114-04-T-DV-EP
Manufacturer	Hirose	Hirose	Samtec	Samtec	Samtec	Samtec	Samtec	Samtec	Samtec	Samtec	Samtec
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Positions	28	28	28	28	28	28	28	28	28	28	28
Number of Rows	2	2	2	2	2	2	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)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Connector Type	Header	Header	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Fastening Type	Detent Lock	Detent Lock	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Circular	Circular	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Material	Brass	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Operating Temperature	-30°C ~ 85°C	-30°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

The DF11GZ-28DP-2V(20) serves as the primary direct equivalent, maintaining identical mechanical and electrical specifications while offering RoHS compliance and improved availability (995 units in stock versus 642 units for the original part). This substitution requires no design modification.

The Samtec TMMH-114 series represents functional alternatives for applications where design flexibility permits accommodation of mechanical and thermal specification differences. These parts are active products with superior long-term availability and RoHS3 compliance. Selection within the TMMH-114 series depends on contact finish requirements and board lock feature necessity. Variants with "-EPC" suffix include board lock functionality; variants without this suffix omit this feature. Contact finish options range from tin (TMMH-114-04-T-DV-EP) to various gold plating thicknesses (10.0µin, 20.0µin, 30.0µin). The TMMH-114-04-T-DV-EP variant operates to 105°C maximum, while other TMMH variants extend to 125°C.

Applications operating within the original -30°C to 85°C temperature envelope can utilize any TMMH-114 variant. Applications requiring the full -55°C to 125°C range should specify TMMH-114 parts excluding the -T variant. Designs requiring detent lock fastening must retain the DF11GZ-28DP-2V(20); TMMH-114 parts utilize push-pull fastening exclusively.

Frequently Asked Questions (FAQ)

Q: Can TMMH-114 series connectors directly replace DF11G-28DP-2V(20) without PCB redesign?

A: Mechanical compatibility exists for mating pitch, position count, and row spacing. However, shrouding geometry differs (unshrouded TMMH-114 versus shrouded DF11G), fastening mechanism differs (push-pull versus detent lock), and contact shape differs (square versus circular). PCB footprint validation is required. The DF11GZ-28DP-2V(20) provides direct compatibility without redesign.

Q: What is the difference between TMMH-114-04-G-DV-EP and TMMH-114-04-G-DV-EPC?

A: Both variants share identical electrical and thermal specifications. The "-EPC" suffix indicates inclusion of board lock features; the "-EP" variant omits this feature. Contact finish specifications are identical (20.0µin gold on mating contacts, 3.00µin gold on post contacts).

Q: Which TMMH-114 variant should be selected for maximum temperature headroom?

A: All TMMH-114 variants except TMMH-114-04-T-DV-EP operate to -55°C to 125°C. The TMMH-114-04-T-DV-EP variant is limited to -55°C to 105°C. For applications requiring extended temperature range, avoid the -T variant.

Q: Are all substitute parts RoHS compliant?

A: The DF11G-28DP-2V(20) is RoHS non-compliant. The DF11GZ-28DP-2V(20) is RoHS compliant. All Samtec TMMH-114 variants are ROHS3 compliant. Regulatory requirements determine compliance necessity for specific applications.

Q: What packaging options are available?

A: DF11G-28DP-2V(20) packaging is unspecified. DF11GZ-28DP-2V(20) is supplied in tube packaging. Samtec TMMH-114 variants are supplied in tube (TMMH-114-04-L-DV-EPC, TMMH-114-04-G-DV-EP) or unspecified packaging. Packaging selection does not affect electrical or mechanical performance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message