Equivalent & Substitute Parts for Coto Technology 8002-12-11 Reed Relay

Part Overview

The Coto Technology 8002-12-11 is a reed relay classified as DPST (Double Pole Single Throw) with a 500 mA contact rating and 12VDC coil voltage. This component is designed for through-hole mounting applications requiring low-power switching control. The 8002-12-11 carries an obsolete product status, necessitating identification of functionally equivalent alternatives from current production lines to maintain design continuity and ensure supply chain availability.

Substiute Parts

8002-12-11

Coto TechnologyIn Stock: 8428002-12-11 Datasheet

Current PartRFQ

8L02-12-11

Coto TechnologyIn Stock: 483738L02-12-11 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 8002-12-11 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Requirements:

• Coil voltage: 12VDC (exact match required)
• Contact form: DPST-NO (2 Form A) configuration
• Contact rating: 500 mA minimum
• Switching voltage: 200VAC, 200VDC maximum capability
• Coil current: 24 mA
• Coil resistance: 500 Ohms

Mechanical Compatibility Requirements:

• Mounting type: Through Hole
• Termination style: PC Pin
• Operating temperature range: -20°C ~ 85°C minimum

Compliance Requirements:

• RoHS compliance status
• REACH compliance status

The Coto Technology 8L02-12-11 satisfies all substitution criteria as an active production component within the Coto 8L series, maintaining identical electrical specifications and mechanical form factor while offering improved supply availability.

Parameter Comparison

Engineering Selection Recommendations

The Coto Technology 8L02-12-11 is the direct functional equivalent for applications currently utilizing the obsolete 8002-12-11 reed relay. Selection of the 8L02-12-11 is supported by the following factors:

Product Status: The 8L02-12-11 maintains active production status, ensuring long-term supply chain continuity and availability compared to the obsolete 8002-12-11.

Electrical Equivalence: All critical electrical parameters are identical, including coil voltage, contact configuration, current rating, and switching voltage specifications. The substitute demonstrates improved release time performance (0.5 ms versus 1 ms), representing a performance enhancement without introducing compatibility concerns.

Mechanical Compatibility: Through-hole mounting and PC pin termination are preserved, enabling direct board-level substitution without PCB redesign.

Compliance Enhancement: The 8L02-12-11 carries ROHS3 compliance certification, representing an upgrade from the RoHS compliance of the original part. Both components maintain REACH unaffected status.

Inventory Availability: The 8L02-12-11 is available in significantly higher quantities (48,349 units) compared to the 8002-12-11 (753 units), supporting both immediate procurement and long-term supply security.

Frequently Asked Questions (FAQ)

Q: Can the 8L02-12-11 be used as a direct replacement for the 8002-12-11 in existing designs?

A: Yes. The 8L02-12-11 maintains identical electrical specifications and mechanical form factor. All critical parameters including coil voltage, contact configuration, current rating, and switching voltage are equivalent. Through-hole mounting and PC pin termination enable direct board-level substitution without circuit modification.

Q: What is the difference in release time between these two relays?

A: The 8002-12-11 has a release time of 1 ms, while the 8L02-12-11 has a release time of 0.5 ms. The substitute component releases twice as quickly, which represents improved performance characteristics. This faster release time does not create compatibility issues in applications designed for the original part.

Q: Are there packaging differences between the 8002-12-11 and 8L02-12-11?

A: The 8002-12-11 is supplied in standard packaging, while the 8L02-12-11 is supplied in tube packaging. Both components are identical in form factor and pin configuration. Tube packaging is a standard industry practice for through-hole components and does not affect electrical or mechanical compatibility.

Q: Do both relays meet current compliance requirements?

A: The 8L02-12-11 carries ROHS3 compliance certification, representing the current RoHS standard. The 8002-12-11 carries RoHS compliance certification. Both components maintain REACH unaffected status. For applications requiring ROHS3 compliance, the 8L02-12-11 is the appropriate selection.

Q: What is the coil resistance of these relays?

A: Both the 8002-12-11 and 8L02-12-11 have a coil resistance of 500 Ohms. This identical specification ensures equivalent circuit behavior and driver compatibility.

Q: Are the operating temperature ranges the same?

A: Yes. Both relays operate across the identical temperature range of -20°C to 85°C, ensuring equivalent thermal performance in all specified operating environments.

Q: What is the contact rating for these relays?

A: Both relays are rated for 500 mA continuous contact current with a maximum switching voltage of 200VAC or 200VDC. These specifications are identical between the main part and substitute.