PCN-105D3MH Equivalent & Substitute Parts

Part Overview

The PCN-105D3MH is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays. This SPST-NO (1 Form A) relay operates on a 5VDC coil and is designed for through-hole mounting applications. The part is classified as Active product status and is fully sealed with Class A coil insulation. Alternative part numbers may be required due to packaging availability, inventory constraints, or specific procurement requirements while maintaining identical electrical and mechanical performance characteristics.

Key Parameters

Parameter	Value
Coil Voltage	5VDC
Contact Form	SPST-NO (1 Form A)
Contact Rating (Current)	3 A
Switching Voltage	277VAC, 125VDC - Max
Coil Current	24 mA
Mounting Type	Through Hole
Termination Style	PC Pin
Operating Temperature Range	-40°C ~ 85°C
Coil Resistance	208 Ohms
Contact Material	Silver Nickel (AgNi)

Substitute Part Grouping Explanation

The PCN-105D3MH and its substitute part PCN-105D3MHF are classified as parametric equivalents. Both parts share identical electrical specifications and mechanical characteristics that determine functional interchangeability. The substitution is valid based on the following key parameters:

Coil voltage: 5VDC (identical)
Contact form: SPST-NO (1 Form A) (identical)
Contact rating: 3 A (identical)
Switching voltage: 277VAC, 125VDC - Max (identical)
Coil current: 24 mA (identical)
Mounting type: Through Hole (identical)
Termination style: PC Pin (identical)
Operating temperature range: -40°C ~ 85°C (identical)
Coil resistance: 208 Ohms (identical)
Contact material: Silver Nickel (AgNi) (identical)

The primary difference between these parts is packaging format: PCN-105D3MH is supplied in Tube packaging, while PCN-105D3MHF is supplied in Bulk packaging. Both parts belong to the PCN and SCHRACK series and maintain Active product status.

Parameter Comparison

Parameter	PCN-105D3MH	PCN-105D3MHF
Manufacturer	TE Connectivity Potter & Brumfield Relays	TE Connectivity Potter & Brumfield Relays
Series	PCN, SCHRACK	PCN, SCHRACK
Product Status	Active	Active
Packaging	Tube	Bulk
Mounting Type	Through Hole	Through Hole
Coil Voltage	5VDC	5VDC
Contact Form	SPST-NO (1 Form A)	SPST-NO (1 Form A)
Contact Rating (Current)	3 A	3 A
Switching Voltage	277VAC, 125VDC - Max	277VAC, 125VDC - Max
Coil Current	24 mA	24 mA
Coil Type	Non Latching	Non Latching
Termination Style	PC Pin	PC Pin
Seal Rating	Sealed - Fully	Sealed - Fully
Coil Insulation	Class A	Class A
Must Operate Voltage	3.5 VDC	3.5 VDC
Must Release Voltage	0.5 VDC	0.5 VDC
Operate Time	8 ms	8 ms
Release Time	3 ms	3 ms
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Contact Material	Silver Nickel (AgNi)	Silver Nickel (AgNi)
Relay Type	General Purpose	General Purpose
Coil Resistance	208 Ohms	208 Ohms
Base Product Number	PCN-105	PCN-105
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99

Engineering Selection Recommendations

Both PCN-105D3MH and PCN-105D3MHF are Active products manufactured by TE Connectivity Potter & Brumfield Relays and maintain full compliance with ROHS3 standards. Both parts carry EAR99 export classification and feature MSL Level 1 (Unlimited) moisture sensitivity rating, indicating no moisture-related handling restrictions.

Selection between these parts should be based on packaging requirements and procurement logistics. The PCN-105D3MH in Tube packaging is suitable for applications requiring individual component handling or smaller quantity orders. The PCN-105D3MHF in Bulk packaging is appropriate for high-volume manufacturing environments or applications where bulk component management is preferred.

Both parts deliver identical electrical performance and mechanical compatibility within through-hole PCB assembly processes. The choice between them does not affect circuit functionality, thermal performance, or operational reliability.

Frequently Asked Questions (FAQ)

Q: Are PCN-105D3MH and PCN-105D3MHF electrically identical?

A: Yes. Both parts share identical coil voltage (5VDC), contact form (SPST-NO), current rating (3 A), switching voltage (277VAC, 125VDC - Max), coil current (24 mA), and all timing specifications. They are parametric equivalents with no electrical performance differences.

Q: What is the primary difference between these two part numbers?

A: The primary difference is packaging format. PCN-105D3MH is supplied in Tube packaging, while PCN-105D3MHF is supplied in Bulk packaging. All electrical and mechanical specifications remain identical.

Q: Can I substitute PCN-105D3MHF for PCN-105D3MH in my circuit design?

A: Yes. Both parts are through-hole mounted with PC Pin termination style and identical coil resistance (208 Ohms). They are direct substitutes from an electrical and mechanical standpoint.

Q: Do both parts meet the same compliance standards?

A: Yes. Both PCN-105D3MH and PCN-105D3MHF are ROHS3 Compliant, carry EAR99 export classification, and feature MSL Level 1 (Unlimited) rating.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the temperature range of -40°C to 85°C with identical thermal performance characteristics.

Q: Are there any differences in contact material or seal rating?

A: No. Both parts feature Silver Nickel (AgNi) contact material and are rated as Sealed - Fully with Class A coil insulation.

Q: Which part should I select for high-volume production?

A: PCN-105D3MHF in Bulk packaging is typically preferred for high-volume manufacturing environments due to packaging efficiency. PCN-105D3MH in Tube packaging is suitable for lower-volume applications or when individual component handling is required.

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