Molex 0398700708 Terminal Block Header – Equivalent & Substitute Parts

Part Overview

The Molex 0398700708 is an 8-position terminal block header with 0.197" (5.00mm) pitch, 90° right-angle orientation, and through-hole solder termination. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The part features shrouded (4-side) male pins rated for 15 A at 300 V UL, with tin-plated brass contacts and polyamide housing suitable for industrial control and power distribution applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	0398700708
Manufacturer	Molex
Number of Positions	8
Pitch	0.197" (5.00mm)
Header Orientation	90°, Right Angle
Type	Header, Male Pins, Shrouded (4 Side)
Termination Style	Solder
Mounting Type	Through Hole
Current Rating (UL)	15 A
Voltage Rating (UL)	300 V
Contact Material	Brass
Housing Material	Polyamide (PA), Nylon
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the Molex 0398700708 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Number of positions: 8
Pitch: 0.197" (5.00mm)
Header orientation: 90°, right angle
Termination style: Solder
Mounting type: Through hole
Current rating (UL): 15 A minimum
Voltage rating (UL): 300 V minimum
Contact material: Brass or copper alloy
Shrouding configuration: 4-side shrouded preferred; 2-side shrouded acceptable with mechanical compatibility verification

Secondary Considerations:

Housing material: Polyamide (PA), Polyamide (PA66), or Polybutylene Terephthalate (PBT)
Contact mating finish: Tin plated
RoHS compliance: ROHS3 or RoHS compliant
Operating temperature range: -40°C to 105°C or better

Substitute parts are grouped into two categories: direct equivalents (matching all primary criteria) and functional alternatives (meeting electrical and mechanical requirements with minor dimensional or material variations).

Parameter Comparison

Part Number	Manufacturer	Positions	Pitch	Orientation	Shrouding	Current (UL)	Voltage (UL)	Housing Material	Product Status	RoHS Status
0398700708	Molex	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polyamide (PA)	Obsolete	ROHS3
0395221008	Molex	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polyamide (PA66)	Active	ROHS3
ELFH08110	Amphenol PCD	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polybutylene Terephthalate (PBT)	Active	RoHS
ELFH08130	Amphenol PCD	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polyamide (PA46)	Active	RoHS
1626040000	Weidmüller	8	0.197" (5.00mm)	90°	2-Side	15 A	300 V	Polybutylene Terephthalate (PBT)	Active	RoHS
1776140-8	TE Connectivity AMP	8	0.197" (5.00mm)	90°	2-Side	15 A	300 V	Polyamide (PA)	Active	ROHS3
282812-8	TE Connectivity AMP	8	0.197" (5.00mm)	90°	2-Side	15 A	300 V	Polyamide (PA66)	Active	RoHS
796644-8	TE Connectivity AMP	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polyamide (PA66)	Active	ROHS3
796645-8	TE Connectivity AMP	8	0.197" (5.00mm)	90°	4-Side	15 A	300 V	Polyamide (PA66)	Active	RoHS

Engineering Selection Recommendations

Direct Equivalents (4-Side Shrouded, 8-Position, 5.00mm Pitch):

The Molex 0395221008 is the primary active equivalent from the original manufacturer. It maintains the 4-side shrouded configuration, identical electrical ratings, and ROHS3 compliance. The housing material upgrade from polyamide (PA) to polyamide (PA66) provides improved mechanical properties while maintaining functional compatibility.

The Amphenol PCD ELFH08110 and ELFH08130 are functionally equivalent alternatives with 4-side shrouding and identical electrical specifications. Both are active products with RoHS compliance. ELFH08110 uses polybutylene terephthalate (PBT) housing, while ELFH08130 uses polyamide (PA46). These materials provide enhanced thermal and chemical resistance compared to standard polyamide.

The TE Connectivity AMP 796644-8 and 796645-8 are 4-side shrouded equivalents with active product status and ROHS3/RoHS compliance. Both feature polyamide (PA66) housing and are suitable for direct substitution in applications requiring 4-side shrouding.

Functional Alternatives (2-Side Shrouded, 8-Position, 5.00mm Pitch):

The Weidmüller 1626040000, TE Connectivity AMP 1776140-8, and TE Connectivity AMP 282812-8 are functionally compatible alternatives with 2-side shrouding instead of 4-side. These parts maintain identical electrical ratings (15 A, 300 V) and through-hole solder termination. The 2-side shrouding configuration reduces overall profile and may be suitable for space-constrained applications where full 4-side shrouding is not required. All three are active products with current RoHS compliance.

Compliance and Availability:

All substitute parts listed are active products with current manufacturing status, ensuring long-term availability and supply chain stability. All parts maintain ROHS3 or RoHS compliance, meeting environmental and regulatory requirements. Contact material specifications (brass or copper alloy) and tin-plated mating finishes are consistent across all substitutes.

Frequently Asked Questions (FAQ)

Q: Can I substitute a 2-side shrouded terminal block for the 4-side shrouded Molex 0398700708?

A: Yes, functionally. The Weidmüller 1626040000, TE Connectivity AMP 1776140-8, and TE Connectivity AMP 282812-8 maintain identical electrical ratings and through-hole solder termination. However, the 2-side shrouding provides less mechanical protection and isolation. Verify that your PCB layout and application environment do not require the additional protection of 4-side shrouding before substituting.

Q: What is the difference between polyamide (PA), polyamide (PA66), and polybutylene terephthalate (PBT) housing materials?

A: All three materials are suitable for this application and meet the electrical and thermal requirements. Polyamide (PA66) and polybutylene terephthalate (PBT) offer improved mechanical strength and chemical resistance compared to standard polyamide (PA). Material selection should be based on your specific environmental conditions and mechanical stress requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are either ROHS3 compliant or RoHS compliant, meeting current environmental regulations. The original Molex 0398700708 is ROHS3 compliant, and all active substitutes maintain this or equivalent compliance status.

Q: Can I use the Molex 0395321006 as a substitute?

A: No. The Molex 0395321006 is a 6-position terminal block with 0.200" (5.08mm) pitch, which differs from the 8-position, 0.197" (5.00mm) pitch specification of the 0398700708. This part does not meet the primary substitution criteria and is not compatible.

Q: What is the difference between the TE Connectivity AMP 796644-8 and 796645-8?

A: Both parts are functionally identical 4-side shrouded, 8-position terminal blocks with 0.197" (5.00mm) pitch and 15 A / 300 V ratings. The primary difference is housing color: 796644-8 is green, while 796645-8 is black. Select based on your color-coding or identification requirements.

Q: Is the Amphenol PCD ELFH08110 or ELFH08130 preferred over the TE Connectivity alternatives?

A: Selection between Amphenol PCD and TE Connectivity alternatives should be based on your supply chain preferences, lead time, and cost considerations. All parts meet identical electrical and mechanical specifications. Verify contact tail length and insulation height dimensions for your specific PCB design if these parameters are critical to your application.

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