Molex 0387208708 Equivalent & Substitute Parts

Part Overview

The Molex 0387208708 is an 8-circuit barrier block connector with 0.375" (9.53mm) pitch, designed for through-hole mounting applications requiring screw termination with captive plate assembly. This component operates at 20A current rating and 300V voltage rating, supporting wire gauges from 12-22 AWG. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain supply chain continuity for ongoing production and maintenance applications.

Substiute Parts

0387208708

MolexIn Stock: 11190387208708 Datasheet

Current PartRFQ

0387207508

MolexIn Stock: 34670387207508 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0387208708 is determined by strict equivalence across the following critical parameters:

• Terminal block type (Barrier Block)
• Number of circuits (8)
• Pitch specification (0.375" / 9.53mm)
• Number of rows (1)
• Top termination method (Screws with Captive Plate)
• Bottom termination type (PC Pin)
• Barrier configuration (2 Wall / Dual)
• Mounting type (Through Hole)
• Wire gauge compatibility (12-22 AWG)
• Voltage rating (300V minimum)
• Operating temperature range (-40°C ~ 100°C)
• Flammability rating (UL94 V-0)
• RoHS compliance status

The Molex 0387207508 meets all substitution criteria. Variations in current rating (25A vs. 20A), terminal screw finish (Zinc, Clear Chromate vs. Zinc, Trivalent), packaging format (Tray vs. standard), and product status (Active vs. Obsolete) do not preclude functional equivalence when the above parameters align.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0387207508 is the direct functional equivalent for the obsolete Molex 0387208708. Both components maintain identical mechanical and electrical specifications across all critical parameters including circuit count, pitch, termination method, barrier configuration, and compliance certifications.

The substitute part carries Active product status, ensuring ongoing availability and supply chain support. Both components are ROHS3 compliant and maintain UL94 V-0 flammability ratings, satisfying regulatory requirements for equivalent applications.

The 25A current rating of the substitute part exceeds the 20A specification of the original component, providing enhanced current-carrying capacity without compromising mechanical or thermal compatibility. The terminal screw finish difference (Zinc, Clear Chromate vs. Zinc, Trivalent) represents a manufacturing variation that does not affect functional performance or environmental resistance within the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0387207508 be used as a direct replacement for the 0387208708 in existing designs?

A: Yes. The 0387207508 maintains identical mechanical dimensions, pitch, circuit configuration, termination method, and electrical ratings (voltage and wire gauge compatibility). The higher current rating (25A vs. 20A) does not create incompatibility.

Q: What is the significance of the current rating difference between the two parts?

A: The substitute part's 25A rating exceeds the original 20A specification. This represents improved current-carrying capacity and does not restrict its use in applications designed for 20A operation.

Q: Are there packaging differences between these parts?

A: The substitute part is supplied in Tray packaging, while the original part number does not specify packaging format. This difference affects logistics and handling but does not impact electrical or mechanical performance.

Q: Do both parts meet the same compliance standards?

A: Yes. Both components are ROHS3 compliant and carry UL94 V-0 flammability ratings, meeting identical regulatory requirements.

Q: What is the difference between the terminal screw finishes?

A: The original part uses Zinc, Trivalent finish; the substitute uses Zinc, Clear Chromate finish. Both finishes provide corrosion resistance within the specified operating temperature range (-40°C ~ 100°C) and do not affect functional performance.

Q: Why is the original part classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The Molex 0387207508 provides continuity for applications requiring this connector type.