Coto Technology 7201-12-1001 Reed Relay Equivalent & Substitute Parts

Part Overview

The Coto Technology 7201-12-1001 is a single-pole single-throw (SPST) reed relay with 1A contact rating and 12VDC coil voltage. This component is classified as obsolete, necessitating identification of functionally equivalent substitute parts for continued circuit design and system maintenance. The relay features through-hole mounting with PC pin termination, diode-equipped coil protection, and RoHS compliance, making it suitable for industrial and commercial switching applications requiring reliable low-current operation.

Substiute Parts

7201-12-1001

Coto TechnologyIn Stock: 9567201-12-1001 Datasheet

Current PartRFQ

SHV12-1A85-78D4K

Standex-Meder ElectronicsIn Stock: 2223SHV12-1A85-78D4K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The Standex-Meder Electronics SHV12-1A85-78D4K qualifies as a functional substitute based on the following critical matching parameters:

Mandatory Electrical Compatibility Parameters:

• Contact form: SPST-NO (1 Form A) - identical switching topology
• Coil voltage: 12VDC - direct voltage compatibility
• Contact rating: 1 A - equivalent current switching capacity
• Mounting type: Through Hole with PC Pin termination - mechanical compatibility
• Coil type: Non Latching - operational behavior match
• Diode protection: Present on both parts

Enhanced Performance Characteristics in Substitute: The SHV12-1A85-78D4K demonstrates improved operational parameters including higher maximum switching voltage (1000VAC/1000VDC vs. 500VAC/500VDC), faster operate and release times, and extended temperature range (-40°C to 100°C vs. -20°C to 85°C), while maintaining backward compatibility with the original design.

Parameter Comparison

Engineering Selection Recommendations

The Standex-Meder Electronics SHV12-1A85-78D4K is a direct substitute for the obsolete Coto Technology 7201-12-1001. Both components maintain identical contact form, coil voltage, and current rating specifications. The SHV12-1A85-78D4K offers equivalent or superior performance across all measured electrical and thermal parameters while maintaining RoHS and REACH compliance status. The substitute part is currently in active production status with established supply chain availability, providing long-term component sourcing reliability for new designs and legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: What makes the SHV12-1A85-78D4K compatible with the 7201-12-1001? A: Both relays share identical contact form (SPST-NO), coil voltage (12VDC), and current rating (1A) with matching mounting style (Through Hole) and termination (PC Pin). These core parameters define functional equivalence in relay switching applications.

Q: Will the substitute operate in the same temperature range as the original? A: The SHV12-1A85-78D4K supports an extended temperature range (-40°C to 100°C) compared to the 7201-12-1001 (-20°C to 85°C). It will operate correctly within the original part's temperature specifications and beyond.

Q: Is the coil resistance difference significant? A: The substitute has 500 Ohms coil resistance versus 450 Ohms in the original. This 11% difference results in slightly lower coil current (24 mA vs. 26.7 mA) and does not impact circuit compatibility in standard 12VDC control applications. Both parts operate from the same 12VDC supply voltage.

Q: What are the switching voltage differences, and does this affect compatibility? A: The SHV12-1A85-78D4K has higher maximum switching voltage rating (1000VAC/1000VDC versus 500VAC/500VDC). This means the substitute can handle higher voltage loads without contact degradation, providing enhanced performance in demanding switching scenarios while remaining fully compatible with lower-voltage applications.

Q: Are timing characteristics different between these relays? A: The SHV12-1A85-78D4K has faster response times (1.1 ms operate versus 2 ms; 0.1 ms release versus 1 ms). For most general-purpose switching applications, these differences are not critical, but faster response may be beneficial in time-sensitive circuits.

Q: What packaging is available for the substitute part? A: The SHV12-1A85-78D4K is supplied in Tube packaging. Verify packaging requirements against design assembly specifications when transitioning from the obsolete part.