PCN21B-95PB-2W Equivalent & Substitute Parts

Part Overview

The PCN21B-95PB-2W is a 95-position header connector manufactured by Hirose Electric Co Ltd, designed for backplane applications with 2.00mm pitch and press-fit termination. This connector features male pins, through-hole mounting, and gold-plated contacts rated for 1.5A at 300V across an operating temperature range of -55°C to 125°C. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring compatible backplane connectivity solutions.

Key Parameters

Parameter	Value
Manufacturer Part Number	PCN21B-95PB-2W
Manufacturer	Hirose Electric Co Ltd
Category	Backplane Connectors
Connector Type	Header, Male Pins
Number of Positions	95
Pitch	0.079" (2.00mm)
Number of Rows	5
Mounting Type	Through Hole
Termination	Press-Fit
Contact Finish	Gold
Current Rating	1.5 A
Voltage Rating	300V
Operating Temperature	-55°C ~ 125°C
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the PCN21B-95PB-2W is determined by the following critical parameters:

Position Count: 95 positions (primary requirement)
Pitch: 0.079" (2.00mm) (mechanical compatibility)
Connector Type: Header, Male Pins (functional requirement)
Mounting Type: Through Hole (PCB integration requirement)
Termination Method: Press-Fit (assembly compatibility)
Operating Temperature Range: -55°C ~ 125°C (environmental requirement)
Contact Finish: Gold (electrical performance)
Moisture Sensitivity Level: 1 (Unlimited) (storage and handling)

Substitute parts are grouped into two categories:

Category A - Direct 95-Position Equivalents: Parts with identical 95-position configuration, 5-row layout, and matching electrical specifications. These provide direct functional replacement.

Category B - Extended Position Variants: Parts with 127 or 133 positions (95 signal positions plus additional ground positions). These offer enhanced grounding capability and are compatible when the PCB layout accommodates the additional ground pins.

Parameter Comparison

Part Number	Manufacturer	Positions	Rows	Pitch	Termination	Contact Finish	Current Rating	Voltage Rating	Operating Temp	Product Status	RoHS Status
PCN21B-95PB-2W	Hirose Electric	95	5	2.00mm	Press-Fit	Gold	1.5 A	300V	-55°C ~ 125°C	Obsolete	Not Specified
CP2-HAB095-GE1-KR	3M	95	5	2.00mm	Press-Fit	Gold	Not Specified	Not Specified	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PD5110N9LF	Amphenol ICC (FCI)	95	5	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PD5111N9LF	Amphenol ICC (FCI)	127 (95+32)	5+2	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PDE120N9LF	Amphenol ICC (FCI)	95	5	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PDU241N9LF	Amphenol ICC (FCI)	95	5	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PK5111GFLF	Amphenol ICC (FCI)	127 (95+32)	5+2	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PKA3A0GFLF	Amphenol ICC (FCI)	95	5	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P67PMA3T4GFLF	Amphenol ICC (FCI)	127 (95+32)	5+2	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P71PD5110N9LF	Amphenol ICC (FCI)	95	5	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant
HM2P71PD5111N9LF	Amphenol ICC (FCI)	133 (95+38)	5+2	2.00mm	Press-Fit	Gold	1.5 A	750Vrms	-55°C ~ 125°C	Active	RoHS Compliant

Engineering Selection Recommendations

For Direct Replacement (95-Position, 5-Row Configuration):

HM2P67PD5110N9LF and HM2P71PD5110N9LF are the primary direct substitutes. Both are active products from Amphenol ICC (FCI) Millipacs series with identical position count, pitch, row configuration, and operating temperature range. Both are RoHS Compliant and provide higher voltage rating (750Vrms) compared to the original 300V specification. HM2P71PD5110N9LF maintains the same connector style (B 19) as the original PCN21B-95PB-2W.

HM2P67PDE120N9LF and HM2P67PDU241N9LF are alternative 95-position options with identical electrical and mechanical specifications to HM2P67PD5110N9LF, differing only in internal contact configuration codes.

HM2P67PKA3A0GFLF provides a 95-position alternative with different contact arrangement designation.

CP2-HAB095-GE1-KR from 3M MetPak CP2 series offers a 95-position alternative with RoHS Compliance and matching operating temperature range, though voltage rating is not specified.

For Extended Grounding Applications (127 or 133 Positions):

HM2P67PD5111N9LF, HM2P67PK5111GFLF, and HM2P67PMA3T4GFLF provide 127-position configurations (95 signal + 32 ground positions) suitable for applications requiring enhanced grounding. HM2P71PD5111N9LF provides a 133-position configuration (95 signal + 38 ground positions) with connector style B 19 matching the original part.

All extended-position variants maintain 1.5A current rating, 750Vrms voltage rating, -55°C to 125°C operating temperature, and RoHS Compliance.

Frequently Asked Questions (FAQ)

Q: Can HM2P67PD5110N9LF directly replace PCN21B-95PB-2W in existing designs?

A: Yes, for PCB layouts designed for 95-position, 5-row, 2.00mm pitch press-fit headers. The part maintains identical position count, pitch, row configuration, and operating temperature range. The higher voltage rating (750Vrms vs. 300V) provides additional margin. Verify connector style compatibility (original is B 19; HM2P67 series uses AB 19 style).

Q: What is the difference between 95-position and 127-position variants?

A: The 95-position parts (HM2P67PD5110N9LF, HM2P67PDE120N9LF, HM2P67PDU241N9LF, HM2P67PKA3A0GFLF, HM2P71PD5110N9LF) maintain the original 5-row configuration with 95 signal contacts. The 127-position parts add two additional rows with 32 ground positions (HM2P67PD5111N9LF, HM2P67PK5111GFLF, HM2P67PMA3T4GFLF) or 38 ground positions (HM2P71PD5111N9LF). Extended-position variants require PCB layout modifications to accommodate additional rows.

Q: Are all substitute parts RoHS Compliant?

A: All Amphenol ICC (FCI) Millipacs substitutes listed are RoHS Compliant. The 3M CP2-HAB095-GE1-KR is also RoHS Compliant. The original PCN21B-95PB-2W RoHS status is not specified.

Q: What is the significance of connector style differences (B 19 vs. AB 19)?

A: Connector style designates the physical keying and mechanical interface. The original PCN21B-95PB-2W uses style B 19. Most Amphenol ICC (FCI) substitutes use style AB 19, which may affect mechanical compatibility with mating connectors. HM2P71PD5110N9LF and HM2P71PD5111N9LF maintain style B 19 compatibility.

Q: Can I use a 127-position part in a design originally specified for 95 positions?

A: Only if the PCB layout accommodates the additional two rows and ground pins. The 127-position variants maintain the same 2.00mm pitch and press-fit termination but require modified footprints. Electrical compatibility is maintained across all variants.

Q: What packaging formats are available?

A: Amphenol ICC (FCI) Millipacs substitutes are supplied in Tray packaging. The 3M CP2-HAB095-GE1-KR is supplied in Bulk packaging. The original PCN21B-95PB-2W packaging is not specified.

Q: Are there voltage rating differences between substitutes?

A: Yes. The original PCN21B-95PB-2W is rated for 300V. All Amphenol ICC (FCI) Millipacs substitutes are rated for 750Vrms, providing higher voltage capability. The 3M CP2-HAB095-GE1-KR voltage rating is not specified.

Q: What is the contact finish difference between standard and flash gold?

A: The original PCN21B-95PB-2W specifies 31.5µin (0.80µm) gold plating. Most Amphenol ICC (FCI) substitutes specify 30.0µin (0.76µm) gold plating. HM2P71PD5110N9LF and HM2P71PD5111N9LF specify flash gold finish. All variants provide gold contact finish for equivalent electrical performance.

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