HC1-HTM-AC100V-F Equivalent & Substitute Parts

Part Overview

The HC1-HTM-AC100V-F is a general purpose relay manufactured by Panasonic Electric Works, featuring SPDT (1 Form C) contact configuration with 10A contact rating and 100VAC coil voltage. This relay is designed for chassis mount applications with plug-in termination style. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance and component replacement in existing installations.

Key Parameters

Parameter	HC1-HTM-AC100V-F
Manufacturer	Panasonic Electric Works
Contact Form	SPDT (1 Form C)
Contact Rating (Current)	10 A
Coil Voltage	100VAC
Switching Voltage (Max)	250VAC
Mounting Type	Chassis Mount
Termination Style	Plug In
Coil Type	Non Latching
Operating Temperature Range	-50°C ~ 70°C
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the HC1-HTM-AC100V-F is determined by the following critical parameters:

Primary Compatibility Criteria:

Contact form must be SPDT (1 Form C)
Coil voltage must be within acceptable operating range (100VAC nominal, with tolerance for 110VAC coil voltage)
Contact rating must meet or exceed 10A minimum requirement
Mounting type must be chassis mount with plug-in termination
Coil type must be non-latching
Maximum switching voltage must support 250VAC operation

The LY1F-AC100/110 from Omron Automation and Safety meets these criteria with a 110VAC coil voltage (within 10% tolerance of 100VAC), 15A contact rating (exceeds 10A requirement), and identical SPDT contact configuration with chassis mount plug-in termination.

Parameter Comparison

Parameter	HC1-HTM-AC100V-F	LY1F-AC100/110	Compatibility Notes
Manufacturer	Panasonic Electric Works	Omron Automation and Safety	Different manufacturer
Contact Form	SPDT (1 Form C)	SPDT (1 Form C)	Identical
Contact Rating (Current)	10 A	15 A	Substitute exceeds requirement
Coil Voltage	100VAC	110VAC	Within 10% tolerance
Switching Voltage (Max)	250VAC	250VAC, 125VDC	Substitute supports additional voltage
Coil Current	13.2 mA	11 mA	Substitute draws less current
Mounting Type	Chassis Mount	Chassis Mount	Identical
Termination Style	Plug In	Plug In	Identical
Coil Type	Non Latching	Non Latching	Identical
Must Operate Voltage	80 VAC	88 VAC	Substitute requires higher voltage
Must Release Voltage	30 VAC	33 VAC	Substitute requires higher voltage
Operate Time	20 ms	25 ms	Substitute has longer response time
Release Time	20 ms	25 ms	Substitute has longer response time
Operating Temperature Range	-50°C ~ 70°C	-25°C ~ 55°C	Original has wider temperature range
Contact Material	Silver Alloy, Cadmium Free	Silver Alloy	Both use silver alloy contacts
Product Status	Obsolete	Active	Substitute is currently available

Engineering Selection Recommendations

The LY1F-AC100/110 is a suitable substitute for the obsolete HC1-HTM-AC100V-F based on the following factors:

Functional Equivalence: Both relays provide SPDT contact configuration with non-latching coil operation and chassis mount plug-in termination, meeting the core functional requirements of the original design.

Electrical Compatibility: The 110VAC coil voltage of the substitute falls within standard industrial tolerance (±10%) of the original 100VAC specification. The 15A contact rating exceeds the original 10A requirement, providing additional capacity margin. Both relays support 250VAC maximum switching voltage for AC applications.

Compliance Status: The LY1F-AC100/110 is RoHS compliant and carries active product status, ensuring ongoing availability and support. Both parts are classified under ECCN EAR99 with identical HTSUS codes, confirming regulatory alignment.

Operational Differences: The substitute exhibits slightly longer operate and release times (25 ms versus 20 ms) and narrower operating temperature range (-25°C to 55°C versus -50°C to 70°C). The substitute also requires higher must-operate and must-release voltages (88 VAC and 33 VAC respectively). These differences must be evaluated against specific application requirements.

Frequently Asked Questions (FAQ)

Q: Can the LY1F-AC100/110 directly replace the HC1-HTM-AC100V-F in existing installations?

A: The LY1F-AC100/110 provides functional equivalence in contact configuration, mounting type, and termination style. However, the 110VAC coil voltage (versus 100VAC) and higher must-operate voltage (88 VAC versus 80 VAC) require verification that the control circuit can supply adequate voltage. The longer response times (25 ms versus 20 ms) must be evaluated for timing-critical applications.

Q: What are the key differences in electrical performance?

A: The substitute provides higher contact rating (15A versus 10A), lower coil current draw (11 mA versus 13.2 mA), and support for both AC and DC switching voltages. Operating time and release time are 5 ms longer. The substitute requires 8 VAC higher minimum operating voltage and 3 VAC higher minimum release voltage.

Q: Are there packaging or mounting considerations?

A: Both relays feature identical chassis mount configuration with plug-in termination. The substitute is supplied in bulk packaging. Physical dimensions and pin configurations must be verified against the original installation to ensure mechanical fit.

Q: What is the temperature operating range difference?

A: The original HC1-HTM-AC100V-F operates from -50°C to 70°C, while the LY1F-AC100/110 operates from -25°C to 55°C. Applications requiring operation below -25°C or above 55°C must use the original specification or identify alternative substitutes with extended temperature ranges.

Q: Is the LY1F-AC100/110 RoHS compliant?

A: Yes, the LY1F-AC100/110 is RoHS compliant. The original HC1-HTM-AC100V-F uses cadmium-free silver alloy contacts, and the substitute uses silver alloy contacts, both meeting environmental standards.

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