Molex 0398700709 Terminal Block Header — Equivalent & Substitute Parts

Part Overview

The Molex 0398700709 is a 9-position terminal block header with male pins, shrouded on four sides, featuring 0.197" (5.00mm) pitch and 90° right-angle orientation for through-hole solder termination. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The part operates at 15 A (UL) and 300 V (UL), with an operating temperature range up to 110°C. Its brass contacts and polyamide housing provide standard industrial reliability for general-purpose terminal block applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	0398700709
Manufacturer	Molex
Number of Positions	9
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
Operating Temperature	110°C
Contact Material	Brass
Housing Material	Polyamide (PA), Nylon
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the Molex 0398700709 is determined by the following critical parameters:

Primary Matching Criteria:

9 positions, single level
0.197" (5.00mm) pitch (exact match required for PCB footprint compatibility)
90° right-angle orientation
Male pins with solder termination
Through-hole mounting
15 A (UL) current rating and 300 V (UL) voltage rating
Shrouded housing (4-side shrouding preferred for mechanical equivalence)

Secondary Compatibility Factors:

Operating temperature range (minimum -40°C to maximum 110°C or higher)
Contact material (brass or copper alloy acceptable)
Housing material (polyamide or polybutylene terephthalate acceptable)
RoHS3 compliance and MSL 1 rating

Substitute parts are grouped into two categories:

Category A — Direct Mechanical & Electrical Equivalents (4-Side Shrouded, 5.00mm Pitch):

Weidmüller 1580930000 (Omnimate SL series)
Weidmüller 1626050000 (Omnimate SL series, 2-side shrouded variant)
TE Connectivity 796644-9 (Termi-Blok/Buchanan series)
TE Connectivity 796645-9 (Termi-Blok/Buchanan series)

Category B — Functional Equivalents (5.08mm Pitch, Minor Footprint Variation):

TE Connectivity 1546110-9 (Buchanan series, 2-side shrouded)
TE Connectivity 282815-9 (Buchanan series, 2-side shrouded)
TE Connectivity 796638-9 (Termi-Blok/Buchanan series, 4-side shrouded)
TE Connectivity 796639-9 (Termi-Blok/Buchanan series, 4-side shrouded)

Category C — Orientation Variant (Vertical, 5.00mm Pitch):

Amphenol PCD ELFH09150 (vertical orientation, 4-side shrouded)
Amphenol PCD ELFH09160 (vertical orientation, 2-side shrouded)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Positions	Pitch	Orientation	Shrouding	Current (UL)	Voltage (UL)	Operating Temp	Contact Material	Housing Material	Product Status	RoHS Status
0398700709	Molex	9	5.00mm	90° Right Angle	4-Side	15 A	300 V	110°C	Brass	Polyamide (PA)	Obsolete	ROHS3
1580930000	Weidmüller	9	5.00mm	90° Right Angle	4-Side	15 A	300 V	-50°C ~ 100°C	Copper Alloy	Polybutylene Terephthalate (PBT)	Active	RoHS
1626050000	Weidmüller	9	5.00mm	90° Right Angle	2-Side	15 A	300 V	-50°C ~ 100°C	Copper Alloy	Polybutylene Terephthalate (PBT)	Active	RoHS
1546110-9	TE Connectivity AMP	9	5.08mm	90° Right Angle	2-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	ROHS3
282815-9	TE Connectivity AMP	9	5.08mm	90° Right Angle	2-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	ROHS3
796638-9	TE Connectivity AMP	9	5.08mm	90° Right Angle	4-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	RoHS
796639-9	TE Connectivity AMP	9	5.08mm	90° Right Angle	4-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	RoHS
796644-9	TE Connectivity AMP	9	5.00mm	90° Right Angle	4-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	ROHS3
796645-9	TE Connectivity AMP	9	5.00mm	90° Right Angle	4-Side	15 A	300 V	-40°C ~ 110°C	Copper Alloy	Polyamide (PA66)	Active	RoHS
ELFH09150	Amphenol PCD	9	5.00mm	Vertical	4-Side	15 A	300 V	-40°C ~ 105°C	Brass	Polybutylene Terephthalate (PBT)	Active	RoHS
ELFH09160	Amphenol PCD	9	5.00mm	Vertical	2-Side	15 A	300 V	-40°C ~ 105°C	Brass	Polybutylene Terephthalate (PBT)	Active	RoHS

Engineering Selection Recommendations

For Direct PCB Footprint Replacement (Recommended Primary Choices):

TE Connectivity 796644-9 and 796645-9 are the preferred substitutes. Both maintain the exact 5.00mm pitch and 90° right-angle orientation of the original Molex 0398700709, ensuring direct PCB compatibility without layout modification. Both parts are active products with ROHS3 compliance and extended operating temperature range (-40°C to 110°C). The 796644-9 (green) and 796645-9 (black) differ only in color, providing design flexibility while maintaining identical electrical and mechanical specifications.

For Extended Temperature Performance:

Weidmüller 1580930000 offers superior thermal performance with a lower minimum operating temperature (-50°C) and maintains the 5.00mm pitch with 4-side shrouding. This part is suitable for applications requiring enhanced cold-temperature reliability. The Weidmüller 1626050000 provides the same thermal range but with 2-side shrouding, reducing mechanical protection if that is not a design constraint.

For Active Product Status with Pitch Tolerance:

TE Connectivity 1546110-9 and 282815-9 (Buchanan series) are active products with 5.08mm pitch, representing a 0.08mm deviation from the original specification. These parts are suitable only if PCB layout permits minor pitch adjustment or if the application tolerates slight mechanical variation. Both offer extended temperature range (-40°C to 110°C) and ROHS3 compliance.

For Orientation-Dependent Applications:

Amphenol PCD ELFH09150 (4-side shrouded) and ELFH09160 (2-side shrouded) are vertical-orientation alternatives. These parts are not direct substitutes for the 90° right-angle configuration but serve applications requiring vertical PCB mounting. Both maintain 5.00mm pitch and brass contact material, with active product status and RoHS compliance.

Frequently Asked Questions (FAQ)

Q: Can I use a 5.08mm pitch part as a direct replacement for the 5.00mm pitch Molex 0398700709?

A: No, not without PCB layout modification. The 0.08mm pitch difference (TE Connectivity 1546110-9, 282815-9, 796638-9, 796639-9) will not align with existing 5.00mm-spaced PCB holes. These parts are functional equivalents only if the design permits footprint adjustment or if the application uses wire-to-board connections rather than direct PCB mounting.

Q: What is the difference between 4-side and 2-side shrouding?

A: 4-side shrouding provides mechanical protection on all four sides of the connector, offering superior protection against accidental contact and environmental ingress. 2-side shrouding protects only two opposing sides. The Molex 0398700709 features 4-side shrouding; direct mechanical equivalents (TE Connectivity 796644-9, 796645-9, Weidmüller 1580930000) maintain this configuration. 2-side variants (Weidmüller 1626050000, TE Connectivity 1546110-9, 282815-9) reduce mechanical protection but may be acceptable if space constraints exist.

Q: Are all substitute parts RoHS3 compliant?

A: Most substitute parts are RoHS3 compliant or RoHS compliant. The original Molex 0398700709 is ROHS3 compliant. TE Connectivity 796644-9 and 796645-9 are ROHS3 compliant. Weidmüller parts (1580930000, 1626050000) are RoHS compliant. TE Connectivity 1546110-9 and 282815-9 are ROHS3 compliant. Amphenol PCD ELFH09150 and ELFH09160 are RoHS compliant. All parts meet MSL 1 (Unlimited) moisture sensitivity requirements.

Q: What is the contact tail length difference, and does it affect soldering?

A: Contact tail length varies across substitutes: Molex 0398700709 has 0.130" (3.30mm), while TE Connectivity parts range from 0.138" (4.60mm) to 0.177" (4.50mm). Weidmüller 1626050000 has the longest tail at 0.177" (4.50mm). These variations affect solder joint depth and PCB hole requirements. Longer tails provide greater mechanical strength but require deeper PCB holes. Verify PCB hole depth before selecting a substitute with significantly different tail length.

Q: Can I use vertical-orientation parts (ELFH09150, ELFH09160) as substitutes?

A: No. Vertical-orientation parts are not direct substitutes for the 90° right-angle configuration. They require different PCB layout and mounting orientation. Use vertical parts only if the application design specifically requires vertical connector mounting.

Q: Which substitute offers the best long-term availability?

A: TE Connectivity 796644-9 and 796645-9 (Termi-Blok/Buchanan series) are active products with high inventory levels (1,251 and 782 units respectively) and established market presence. Weidmüller 1580930000 and 1626050000 (Omnimate SL series) are also active with strong inventory (1,132 and 934 units). All recommended substitutes are active products, ensuring ongoing availability compared to the obsolete Molex 0398700709.

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