HC1-HP-DC24V-F Equivalent & Substitute Parts

Part Overview

The HC1-HP-DC24V-F is a general purpose relay manufactured by Panasonic Electric Works with SPDT (1 Form C) contact configuration and 24VDC coil voltage. This through-hole mounted relay is rated for 10A at 250VAC maximum switching voltage. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance, repair, and redesign applications where this relay is specified.

Substiute Parts

HC1-HP-DC24V-F

Panasonic Electric WorksIn Stock: 870HC1-HP-DC24V-F Datasheet

Current PartRFQ

LY1-0-DC24

Omron Automation and SafetyIn Stock: 948LY1-0-DC24 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC1-HP-DC24V-F is determined by the following critical parameters:

Primary Matching Criteria:

• Coil voltage: 24VDC (exact match required)
• Contact form: SPDT (1 Form C) (exact match required)
• Mounting type: Through hole (exact match required)
• Termination style: PC pin (exact match required)
• Coil resistance: 650 Ohms (exact match required)
• Must operate voltage: 19.2 VDC (exact match required)
• Must release voltage: 2.4 VDC (exact match required)

Allowable Variation Parameters:

• Contact rating (current): May be equal to or greater than 10A
• Switching voltage: May be equal to or greater than 250VAC
• Coil current: Within ±5% tolerance acceptable
• Operating temperature range: May be narrower or equal to -50°C ~ 70°C
• Operate/Release time: May vary within application requirements

The LY1-0-DC24 from Omron Automation and Safety qualifies as a substitute based on matching all primary criteria and exceeding contact rating specifications.

Parameter Comparison

Engineering Selection Recommendations

The LY1-0-DC24 is a direct functional substitute for the HC1-HP-DC24V-F. Selection should be based on the following factors:

Product Status: The HC1-HP-DC24V-F is obsolete. The LY1-0-DC24 is active and currently in production, ensuring long-term availability for new designs and ongoing system support.

Compliance and Certifications: Both parts share identical ECCN (EAR99) and HTSUS (8536.41.0050) classifications. The LY1-0-DC24 carries RoHS3 compliance and REACH unaffected status, providing regulatory alignment for modern applications.

Performance Considerations: The LY1-0-DC24 exceeds the contact rating of the original part (15A vs. 10A) and supports both 250VAC and 125VDC switching voltages. The operating temperature range of the substitute is narrower (-25°C ~ 55°C vs. -50°C ~ 70°C), which must be evaluated against application requirements. Operate and release times are 5 ms longer for the substitute part.

Mechanical Compatibility: Both relays feature identical through-hole mounting and PC pin termination, ensuring direct board-level compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the LY1-0-DC24 directly replace the HC1-HP-DC24V-F in existing designs?

A: Yes, the LY1-0-DC24 is mechanically and electrically compatible for direct substitution. Both parts share identical coil voltage, contact form, mounting type, and termination style. The substitute part meets or exceeds all critical electrical parameters.

Q: What are the differences in operating temperature range?

A: The HC1-HP-DC24V-F operates from -50°C to 70°C, while the LY1-0-DC24 operates from -25°C to 55°C. Applications requiring operation below -25°C or above 55°C must verify compatibility with the narrower temperature range of the substitute.

Q: Does the higher contact rating of the LY1-0-DC24 affect compatibility?

A: No. The LY1-0-DC24 is rated for 15A compared to the original 10A rating. A higher contact rating does not create compatibility issues; it provides additional margin for the application.

Q: Are there timing differences between these relays?

A: Yes. The LY1-0-DC24 has operate and release times of 25 ms each, compared to 20 ms for the HC1-HP-DC24V-F. Applications with strict timing requirements must evaluate whether this 5 ms difference is acceptable.

Q: What is the coil current difference between these parts?

A: The HC1-HP-DC24V-F draws 37 mA, while the LY1-0-DC24 draws 36.9 mA. This 0.1 mA difference is negligible and does not affect circuit design or power supply selection.

Q: Are both parts RoHS compliant?

A: The HC1-HP-DC24V-F does not specify RoHS status. The LY1-0-DC24 is RoHS3 compliant, making it suitable for applications with RoHS requirements.

Q: Can the LY1-0-DC24 handle both AC and DC switching voltages?

A: Yes. The LY1-0-DC24 is rated for 250VAC and 125VDC maximum switching voltages, providing flexibility for both AC and DC load applications. The original HC1-HP-DC24V-F specifies 250VAC maximum.