HC3-HTM-AC100V-F Equivalent & Substitute Parts

Part Overview

The HC3-HTM-AC100V-F is a general purpose relay manufactured by Panasonic Electric Works, featuring a 3PDT (3 Form C) contact configuration with a 100VAC coil and 7A contact rating. This chassis mount relay operates at 250VAC maximum switching voltage and is designed for non-latching applications. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued availability is required.

Substiute Parts

HC3-HTM-AC100V-F

Panasonic Electric WorksIn Stock: 953HC3-HTM-AC100V-F Datasheet

Current PartRFQ

MM3-AC100

Omron Automation and SafetyIn Stock: 1081MM3-AC100 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC3-HTM-AC100V-F is determined by the following critical parameters that must remain consistent or be compatible with the original application:

Core Substitution Criteria:

• Coil voltage: 100VAC (fixed requirement)
• Contact form: 3PDT (3 Form C) (fixed requirement)
• Coil type: Non-latching (fixed requirement)
• Must operate voltage: 80 VAC minimum (fixed requirement)
• Must release voltage: 30 VAC maximum (fixed requirement)

Compatible Variation Parameters:

• Contact rating (current): May be equal to or greater than 7A
• Switching voltage: May be equal to or greater than 250VAC
• Coil current: May vary within design constraints
• Operate/release time: May vary within acceptable control system tolerances
• Operating temperature range: May be narrower or wider than original
• Termination style: May differ if mechanical integration is feasible
• Mounting type: Chassis mount compatibility required

The MM3-AC100 substitute meets all core criteria while providing enhanced contact current rating (15A vs. 7A) and extended switching voltage capability (250VAC/250VDC vs. 250VAC only).

Parameter Comparison

Engineering Selection Recommendations

The MM3-AC100 is an active product from Omron Automation and Safety, providing functional equivalence to the obsolete HC3-HTM-AC100V-F. Both relays share identical coil voltage (100VAC), contact form (3PDT), coil type (non-latching), and critical voltage thresholds (80VAC operate, 30VAC release).

The MM3-AC100 offers design advantages including higher contact current rating (15A vs. 7A), dual voltage switching capability (250VAC/250VDC vs. 250VAC only), and RoHS compliance status. The substitute is suitable for applications where the original HC3-HTM-AC100V-F is no longer available.

Termination style differs (solder lug vs. plug-in), requiring mechanical integration assessment. Operating temperature range is narrower (-10°C to 55°C vs. -50°C to 70°C), which must be evaluated against application requirements. Coil current is higher (66mA vs. 13.2mA), affecting power supply design considerations. Operate and release times are slightly longer (25ms/30ms vs. 20ms/20ms), which must be verified against system timing requirements.

Frequently Asked Questions (FAQ)

Q: Can the MM3-AC100 directly replace the HC3-HTM-AC100V-F without modification?

A: The MM3-AC100 provides functional equivalence for the core relay function (3PDT, 100VAC coil, non-latching operation). However, termination style differs (solder lug vs. plug-in), requiring mechanical integration changes. Coil current is significantly higher (66mA vs. 13.2mA), necessitating power supply verification. Operating temperature range is narrower, which must be confirmed against application environment specifications