UB2-24NU-L General Purpose Relay DPDT Equivalent & Substitute Parts

Part Overview

The UB2-24NU-L is a general purpose relay manufactured by KEMET, classified as a DPDT (Double Pole Double Throw, 2 Form C) surface mount component. This relay operates at 24VDC coil voltage with a 1A contact rating and is designed for switching applications up to 250VAC or 220VDC maximum. The part is currently in active production status with 651 pieces available in original inventory. Substitute parts are identified when equivalent electrical and mechanical parameters are required but alternative packaging or availability conditions necessitate component selection from the qualified substitute list.

Substiute Parts

UB2-24NU-L

KEMETIn Stock: 742UB2-24NU-L Datasheet

Current PartRFQ

UB2-24NUN-L

KEMETIn Stock: 2427UB2-24NUN-L Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the UB2-24NU-L is based on electrical and mechanical parameter equivalence within the KEMET UB2 series. The qualifying substitute part maintains identical specifications across all critical functional parameters: coil voltage (24VDC), contact form (DPDT), contact rating (1A), switching voltage limits (250VAC/220VDC), coil current (9.6 mA), operating temperature range (-40°C to 85°C), and timing characteristics (2ms operate, 1ms release). The substitute part differs only in packaging configuration, transitioning from Tape & Reel (TR) to Cut Tape (CT) format. Both parts share the same series designation, mounting type (Surface Mount), termination style (Gull Wing), contact materials (Silver Alloy and Gold Alloy), and compliance certifications (ROHS3, REACH Unaffected). This substitution is valid for applications where packaging format does not impose design constraints.

Parameter Comparison

Engineering Selection Recommendations

Selection between UB2-24NU-L and UB2-24NUN-L is determined by packaging requirements and inventory availability. Both parts maintain active product status and full compliance with ROHS3 and REACH regulations. The UB2-24NU-L is supplied in Tape & Reel format, suitable for high-volume automated assembly operations. The UB2-24NUN-L is supplied in Cut Tape format, appropriate for lower-volume applications or manual assembly processes. Electrical performance, thermal characteristics, and switching specifications are identical between both variants. Selection should be based on assembly methodology and supply chain requirements rather than functional capability.

Frequently Asked Questions (FAQ)

Q: Are UB2-24NU-L and UB2-24NUN-L electrically interchangeable?

A: Yes. Both parts are electrically identical with matching coil voltage (24VDC), contact rating (1A), switching voltage limits (250VAC/220VDC), timing characteristics (2ms operate/1ms release), and operating temperature range (-40°C to 85°C).

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, optimized for automated pick-and-place assembly. Cut Tape (CT) packaging supplies components on tape segments cut to specified lengths, suitable for manual assembly or lower-volume production.

Q: Can UB2-24NUN-L replace UB2-24NU-L in existing designs?

A: Substitution is valid when assembly equipment and processes support Cut Tape format. No circuit design modifications are required due to identical electrical specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both UB2-24NU-L and UB2-24NUN-L are ROHS3 compliant and REACH unaffected.

Q: What is the moisture sensitivity level for these relays?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Do these relays require any special handling or storage conditions?

A: No special conditions are required. MSL 1 classification permits standard storage and handling procedures without moisture control measures.