JMACD-18XLS General Purpose Relay DPDT Equivalent & Substitute Parts

Part Overview

The JMACD-18XLS is a general purpose relay manufactured by TE Connectivity Aerospace, Defense and Marine. This DPDT (2 Form C) relay operates at 18VDC coil voltage with a 1A contact rating and is designed for through-hole mounting applications. The component features hermetically sealed construction with integrated diode protection and operates across an extended temperature range of -65°C to 125°C.

The JMACD-18XLS maintains Active product status with 1056 units currently in stock. Substitute parts are identified based on identical electrical specifications, mechanical compatibility, and functional equivalence to ensure direct replacement capability in existing circuit designs.

Substiute Parts

JMACD-18XLS

TE Connectivity Aerospace, Defense and MarineIn Stock: 1124JMACD-18XLS Datasheet

Current PartRFQ

JMACDG-18XL

TE Connectivity Aerospace, Defense and MarineIn Stock: 1035JMACDG-18XL Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the JMACD-18XLS are identified through parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that must remain identical:

Electrical Parameters:

• Coil voltage: 18VDC
• Contact form: DPDT (2 Form C)
• Contact rating: 1 A
• Switching voltage: 115VAC, 28VDC - Max
• Coil current: 20.5 mA
• Coil resistance: 880 Ohms
• Must operate voltage: 10.5 VDC
• Must release voltage: 0.91 VDC
• Operate time: 2 ms
• Release time: 4 ms

Mechanical Parameters:

• Mounting type: Through Hole
• Termination style: PC Pin
• Seal rating: Sealed - Hermetically
• Operating temperature range: -65°C ~ 125°C

Material Specifications:

• Contact material: Silver Palladium (AgPd), Gold (Au)
• Coil type: Non Latching
• Features: Diode

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both the JMACD-18XLS and JMACDG-18XL are Active product status components manufactured by TE Connectivity Aerospace, Defense and Marine within the MAC relay series. These parts are parametric equivalents with identical electrical specifications, mechanical construction, and performance characteristics.

Compliance and Certification:

• Both parts maintain RoHS non-compliant status
• Both parts carry REACH Unaffected designation
• Both parts are classified under ECCN EAR99
• Both parts share identical HTSUS classification: 8536.41.0050
• Both parts feature Moisture Sensitivity Level (MSL) 1 (Unlimited)

Availability: The JMACD-18XLS maintains higher inventory availability with 1056 units in stock compared to 967 units for the JMACDG-18XL. Selection between these equivalent parts may be based on inventory availability and procurement lead time requirements.

Functional Equivalence: Direct substitution is supported for all circuit applications where the JMACD-18XLS is specified. No circuit modifications, design changes, or additional validation are required when implementing the JMACDG-18XL as a replacement component.

Frequently Asked Questions (FAQ)

Q: Can the JMACDG-18XL be used as a direct replacement for the JMACD-18XLS?

A: Yes. The JMACDG-18XL is a parametric equivalent with identical coil voltage (18VDC), contact form (DPDT), current rating (1A), switching voltage (115VAC, 28VDC - Max), coil current (20.5 mA), coil resistance (880 Ohms), operating temperature range (-65°C ~ 125°C), and all timing specifications. Both parts feature identical mounting type (Through Hole), termination style (PC Pin), seal rating (Sealed - Hermetically), and contact material composition. Direct substitution is supported without circuit modification.

Q: Are there any differences in the electrical performance between these two relay models?

A: No. Both the JMACD-18XLS and JMACDG-18XL share identical electrical specifications including must operate voltage (10.5 VDC), must release voltage (0.91 VDC), operate time (2 ms), and release time (4 ms). Coil current draw, switching voltage capability, and contact rating are identical across both parts.

Q: Do these relays have the same physical footprint and pin configuration?

A: Yes. Both parts utilize Through Hole mounting with PC Pin termination style. The mechanical construction, package dimensions, and pin layout are identical, enabling direct board-level substitution without PCB redesign.

Q: What is the operating temperature range for these relays?

A: Both the JMACD-18XLS and JMACDG-18XL operate across an identical temperature range of -65°C to 125°C, supporting applications in extreme thermal environments.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts maintain identical RoHS non-compliant status, REACH Unaffected designation, ECCN EAR99 classification, and Moisture Sensitivity Level 1 (Unlimited). Regulatory and compliance profiles are equivalent.

Q: What is the coil voltage requirement for these relays?

A: Both relays require 18VDC coil voltage with a coil current of 20.5 mA and coil resistance of 880 Ohms. The must operate voltage is 10.5 VDC and must release voltage is 0.91 VDC.

Q: Can these relays switch AC and DC loads?

A: Yes. Both relays support switching of 115VAC and 28VDC maximum loads at 1A contact rating. The DPDT (2 Form C) contact configuration provides dual switching capability for independent circuit control.

Q: What protection features are included in these relays?

A: Both relays include integrated diode protection and feature hermetically sealed construction. The sealed design provides protection against environmental contamination and moisture ingress.