M20-9700445 Rectangular Connector Header Right Angle 8 Position 2.54mm

Part Overview

The M20-9700445 is a rectangular connector header manufactured by Harwin Inc., designed for through-hole, right-angle board-to-board or cable applications with 8 positions at 0.100" (2.54mm) pitch. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design and procurement requirements. The connector features unshrouded male pins with solder termination and push-pull fastening, suitable for applications requiring reliable interconnection in compact layouts.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-9700445
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Series	M20
Product Status	Obsolete
Connector Type	Header, Cuttable
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	8
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Contact Length - Mating	0.276" (7.00mm)
Contact Length - Post	0.118" (3.00mm)
Insulation Height	0.200" (5.08mm)
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Material	Brass
Insulation Material	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Current Rating	3A per Contact
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution for the M20-9700445 is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 8
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Contact Type: Male Pin
Termination: Solder
Fastening Type: Push-Pull
Style: Board to Board or Cable
Shrouding: Unshrouded

Secondary Compatibility Parameters:

Insulation Height: 0.200" (5.08mm)
Contact Shape: Square
Material Flammability Rating: UL94 V-0
Current Rating: 3A per Contact
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are grouped based on contact material, contact finish specifications, and operating temperature ranges. Parts with identical or functionally equivalent contact dimensions and electrical ratings are considered direct substitutes. Variations in contact finish thickness, post material, and insulation material composition do not preclude substitution when primary mating parameters remain constant.

Parameter Comparison

Parameter	M20-9700445 (Main)	0717640208 (Molex)	0717649004 (Molex)	61300821021 (Würth)	77317-112-08LF (Amphenol)	77317-412-08LF (Amphenol)	77317-812-08LF (Amphenol)	802-10-008-20-001101 (Preci-Dip)	861400082LO1332LF (Amphenol)	892-18-008-20-002101 (Preci-Dip)	961208-5804-AR (3M)
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	8	8	8	8	8	8	8	8	8	8	8
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Style	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board	Board to Board
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Length - Mating	0.276" (7.00mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.236" (6.00mm)	0.268" (6.80mm)	0.268" (6.80mm)	0.268" (6.80mm)	0.195" (4.95mm)	0.224" (5.70mm)	0.276" (7.00mm)	0.272" (6.90mm)
Contact Length - Post	0.118" (3.00mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.118" (3.00mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.126" (3.20mm)	0.098" (2.50mm)	0.118" (3.00mm)	0.130" (3.30mm)
Insulation Height	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.190" (4.83mm)	0.190" (4.83mm)	0.190" (4.83mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Circular	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold, GXT™	Tin	Gold, GXT™	Gold	Tin	Gold	Gold
Contact Material	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Brass	Copper Alloy	Brass	Copper Alloy
Insulation Material	Polyamide (PA6T), Nylon 6T	Thermoplastic	Thermoplastic	Polyamide (PA6T), Nylon 6T	Thermoplastic	Thermoplastic	Thermoplastic	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled	Thermoplastic	Polyamide (PA), Nylon, Glass Filled	Thermoplastic
Operating Temperature	-40°C ~ 105°C	Not Specified	Not Specified	-40°C ~ 105°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-55°C ~ 125°C	-40°C ~ 100°C	-55°C ~ 125°C	-25°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	3A per Contact	Not Specified	Not Specified	3A	3A per Contact	3A per Contact	3A per Contact	3A	3A	3A	2A
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	Not Specified	REACH Unaffected	REACH Affected	REACH Affected	REACH Affected	REACH Unaffected	REACH Affected	REACH Unaffected	Not Specified

Engineering Selection Recommendations

Tier 1 - Highest Compatibility (ROHS3 Compliant, REACH Unaffected):

0717640208 (Molex C-Grid 71764) and 61300821021 (Würth Elektronik WR-PHD) provide the closest functional equivalence with full ROHS3 compliance and REACH unaffected status. Both maintain the 0.100" (2.54mm) pitch, 8-position, 2-row configuration with identical insulation height and current rating specifications. The 0717640208 is available in tube packaging with 739 units in stock, while 61300821021 is available in bulk packaging with 2688 units in stock.

Tier 2 - Compatible with Minor Variations (RoHS Compliant, REACH Affected):

77317-112-08LF, 77317-412-08LF, and 77317-812-08LF (Amphenol ICC BERGSTIK series) meet all primary mating parameters with extended operating temperature range (-65°C ~ 130°C). These parts are RoHS compliant but REACH affected. The 77317-112-08LF and 77317-812-08LF feature gold mating contact finish, while 77317-412-08LF features tin finish. All three are available in bulk or bag packaging with inventory ranging from 1046 to 2279 units.

Tier 3 - Compatible with Dimensional Variations:

892-18-008-20-002101 (Preci-Dip 892 series) and 802-10-008-20-001101 (Preci-Dip 802 series) maintain core mating parameters with ROHS3 compliance and REACH unaffected status. The 892-18-008-20-002101 matches the M20-9700445 contact length specifications exactly (0.276" mating, 0.118" post) with identical insulation height. The 802-10-008-20-001101 features circular contact shape and reduced mating contact length (0.195"), which may affect mechanical fit in existing receptacles.

Tier 4 - Limited Compatibility:

961208-5804-AR (3M 961 series) meets primary mating parameters but features reduced current rating (2A versus 3A per contact) and narrower operating temperature range (-25°C ~ 105°C). This part is suitable only for applications with lower current requirements.

77317-812-08LF is not recommended for applications requiring ROHS3 compliance due to RoHS non-compliant status.

861400082LO1332LF (Amphenol ICC BERGSTIK) features reduced mating contact length (0.224") and post length (0.098"), which may result in inadequate contact engagement in standard receptacles designed for the M20-9700445 specifications.

0717649004 (Molex C-Grid 71764) is loaded with only 6 positions instead of 8, making it unsuitable for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different contact length specifications?

A: Contact length variations affect mechanical engagement with mating receptacles. The M20-9700445 specifies 0.276" mating contact length and 0.118" post length. Substitutes with significantly different dimensions (such as 802-10-008-20-001101 at 0.195" mating length or 861400082LO1332LF at 0.224" mating length) may not achieve proper contact pressure or retention in existing receptacles. Parts with contact lengths within ±0.010" of the original specification are generally acceptable for direct substitution.

Q: What is the difference between ROHS3 compliant and RoHS compliant parts?

A: ROHS3 refers to compliance with the third iteration of the Restriction of Hazardous Substances directive, which includes additional restricted substances beyond the original RoHS standard. ROHS3 compliant parts meet stricter environmental requirements. Parts marked as RoHS compliant without the "3" designation may not meet ROHS3 requirements. For applications requiring ROHS3 compliance, select from Tier 1 or Tier 3 parts.

Q: Does REACH affected status affect part substitution?

A: REACH affected status indicates the part contains substances of very high concern (SVHC) listed under the REACH regulation. While REACH affected parts remain functional, regulatory requirements may restrict their use in certain applications or regions. For applications with no REACH restrictions, REACH affected parts are functionally equivalent. For regulated applications, select REACH unaffected parts from Tier 1 or Tier 3.

Q: Can I substitute a part with a different contact material?

A: Contact material affects electrical conductivity, corrosion resistance, and mechanical durability. The M20-9700445 uses brass contacts with gold mating finish. Substitutes using copper alloy or phosphor bronze contacts with equivalent gold or tin finishes are functionally compatible. Tin-finished contacts (77317-412-08LF, 861400082LO1332LF) provide lower cost but may exhibit higher contact resistance in low-current applications. Gold-finished contacts maintain superior corrosion resistance and are preferred for long-term reliability.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in tube, bulk, and bag packaging. Tube packaging (0717640208) is suitable for automated assembly and provides moisture protection. Bulk packaging (61300821021, 77317-112-08LF, 77317-812-08LF, 892-18-008-20-002101) is cost-effective for high-volume production. Bag packaging (77317-412-08LF) offers intermediate quantities. Select packaging based on production volume and handling requirements.

Q: Are there current rating limitations I should consider?

A: The M20-9700445 is rated for 3A per contact. Most substitute parts maintain this rating. The exception is 961208-5804-AR (3M 961), which is rated for only 2A per contact. For applications requiring the full 3A rating, avoid the 3M part. For applications with lower current requirements (under 2A), the 3M part is acceptable.

Q: What operating temperature range should I select?

A: The M20-9700445 operates from -40°C to 105°C. Substitute parts offer varying ranges: Amphenol BERGSTIK series extends to -65°C ~ 130°C, Preci-Dip 892 series to -55°C ~ 125°C, and 3M 961 to -25°C ~ 105°C. Select a substitute with an operating temperature range that encompasses your application requirements. Extended temperature ranges provide design margin but do not affect performance within the original specification range.

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