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DCMF37S300 D-Sub 37 Position Receptacle Connector Equivalent & Substitute Parts
Part Overview
The DCMF37S300 is a 37 position D-Sub receptacle connector manufactured by Amphenol ICC (FCI) in the DM HE501 series. This through-hole solder termination connector features female sockets with a 4 (DC, C) shell size layout and is designed for signal applications. The part is currently active in production with 1115 units in stock. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design specifications allow for compatible alternatives from different manufacturers.
Substiute Parts
Key Parameters
| Parameter | DCMF37S300 Specification |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 37 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 4 (DC, C) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Shell Material, Finish | Steel, Yellow Cadmium Plated |
| Contact Finish | Gold |
| Current Rating | 7.5A |
| Voltage Rating | 300V |
| Operating Temperature Range | -55°C to 125°C |
| Material Flammability Rating | UL94 V-0 |
| Contact Material | Phosphor Bronze |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the DCMF37S300 is determined by strict adherence to the following critical parameters:
Core Compatibility Requirements:
- Connector style must be D-Sub
- Connector type must be Receptacle, Female Sockets
- Number of positions must be 37
- Number of rows must be 2
- Shell size and connector layout must be 4 (DC, C)
- Mounting type must be Through Hole
- Termination must be Solder
- Material flammability rating must be UL94 V-0
Allowable Variations in Substitutes:
- Shell material finish may differ (Yellow Cadmium Plated, Tin Plated, Nickel Plated)
- Contact finish may vary (Gold, or unspecified)
- Current rating may be equal to or greater than 6.0A
- Voltage rating may be equal to or greater than 100V
- Operating temperature range may be narrower or equal
- Contact material may be Phosphor Bronze, Copper Alloy, or Brass
- Flange feature configuration may differ (Housing/Shell Unthreaded, Board Side, Mating Side)
- Dielectric material composition may vary
- RoHS compliance status may differ
- Packaging format may differ (Tray, Bulk, Tube)
- Product status may be Active or Obsolete
Substitutes that do not meet the core compatibility requirements are excluded from this reference.
Parameter Comparison
| Part Number | Manufacturer | Connector Type | Positions | Shell Size | Mounting | Termination | Current Rating (A) | Voltage Rating (V) | Operating Temp (°C) | Shell Material, Finish | Contact Finish | RoHS Status | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DCMF37S300 | Amphenol ICC (FCI) | Receptacle, Female Sockets | 37 | 4 (DC, C) | Through Hole | Solder | 7.5 | 300 | -55 to 125 | Steel, Yellow Cadmium Plated | Gold | RoHS non-compliant | Active | 1115 Pcs |
| 09644127235 | HARTING | Receptacle, Female Sockets | 37 | 4 (DC, C) | Through Hole | Solder | 7.5 | 100 | -20 to 125 | Steel, Tin Plated | Unspecified | ROHS3 Compliant | Active | 1090 Pcs |
| 09664516513 | HARTING | Receptacle, Female Sockets | 37 | 4 (DC, C) | Through Hole | Solder | 6.5 | Unspecified | -55 to 125 | Steel | Unspecified | ROHS3 Compliant | Active | 989 Pcs |
| 09664517513 | HARTING | Receptacle, Female Sockets | 37 | 4 (DC, C) | Through Hole | Solder | 6.5 | Unspecified | -55 to 125 | Steel | Unspecified | ROHS3 Compliant | Active | 1009 Pcs |
| 1-5747301-4 | TE Connectivity AMP Connectors | Receptacle, Female Sockets | 37 | 4 (DC, C) | Through Hole | Solder | 6.0 | 125 | -55 to 105 | Steel, Tin Plated | Gold | ROHS3 Compliant | Active | 3446 Pcs |
| 172-037-212R001 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Tin Plated | Gold | ROHS3 Compliant | Obsolete | 1158 Pcs |
| 172-037-212R011 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Tin Plated | Gold | ROHS3 Compliant | Obsolete | 840 Pcs |
| 172-E37-213R001 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Nickel Plated | Gold | ROHS3 Compliant | Active | 1484 Pcs |
| 172-E37-213R011 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Nickel Plated | Gold | ROHS3 Compliant | Active | 1224 Pcs |
| 172-E37-213R031 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Nickel Plated | Gold | ROHS3 Compliant | Active | 849 Pcs |
| 172-E37-213R911 | NorComp Inc. | Receptacle, Female Sockets | 37 | 4 (DC, C) | Panel Mount, Through Hole | Solder | 5.0 | Unspecified | -50 to 100 | Steel, Nickel Plated | Gold | ROHS3 Compliant | Active | 1102 Pcs |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Full Compatibility):
The HARTING parts 09664516513 and 09664517513 maintain the full operating temperature range of -55°C to 125°C matching the DCMF37S300. Both are ROHS3 compliant and currently in active production with substantial inventory. The 09644127235 variant offers the highest current rating (7.5A) among HARTING options and is suitable for applications where RoHS3 compliance is required.
The TE Connectivity 1-5747301-4 (AMPLIMITE HD-20 series) provides the highest inventory availability (3446 units) and includes gold contact finish matching the original specification. This part is ROHS3 compliant and active in production. The operating temperature upper limit is 105°C, which is narrower than the original specification.
Secondary Substitutes (Panel Mount Configuration):
NorComp 172-E37 series parts (213R001, 213R011, 213R031, 213R911) are all active in production with ROHS3 compliance. These connectors feature panel mount through-hole mounting, which differs from the original through-hole only configuration. The 172-E37-213R911 includes board lock features. All NorComp 172-E37 variants operate within -50°C to 100°C range and carry 5.0A current rating.
Obsolete Parts (Not Recommended for New Designs):
NorComp 172-037-212R001 and 172-037-212R011 are marked obsolete and should not be selected for new designs despite current inventory availability.
Frequently Asked Questions (FAQ)
Q: Can I substitute DCMF37S300 with a lower current rating part?
A: No. The substitute must maintain a current rating equal to or greater than the original 7.5A specification. Parts rated at 6.0A or 6.5A do not meet this requirement and should not be used in applications requiring the full 7.5A capacity.
Q: What is the difference between through-hole and panel mount through-hole mounting?
A: Through-hole mounting (DCMF37S300) is designed for direct PCB insertion. Panel mount through-hole (NorComp 172-E37 series) includes additional flange features for panel attachment while maintaining through-hole termination. These are not interchangeable without mechanical redesign.
Q: Are RoHS non-compliant and ROHS3 compliant parts interchangeable?
A: From an electrical and mechanical standpoint, yes. However, regulatory and procurement requirements may restrict the use of RoHS non-compliant parts in certain applications or regions. Verify compliance requirements before substitution.
Q: Does shell material finish affect electrical performance?
A: Shell material finish (Yellow Cadmium Plated, Tin Plated, Nickel Plated) does not affect the electrical performance of the connector. Selection should be based on environmental corrosion resistance requirements and regulatory compliance.
Q: What is the significance of contact finish thickness specifications?
A: Contact finish thickness (such as 30.0µin on the TE Connectivity part) ensures consistent contact resistance and durability. When thickness is unspecified in substitute parts, verify with the manufacturer that the finish meets your application requirements.
Q: Can I use a substitute with a narrower operating temperature range?
A: Only if your application operates within the narrower range. The DCMF37S300 operates -55°C to 125°C. Substitutes with ranges such as -20°C to 125°C or -50°C to 100°C are not suitable for applications requiring the full original temperature range.
Q: What packaging formats are available?
A: DCMF37S300 is supplied in Tray packaging. Substitutes are available in Tray, Bulk, and Tube formats. Verify that your procurement and assembly processes support the selected packaging format.
Q: Are HARTING 09664516513 and 09664517513 functionally identical?
A: Both parts are electrically and mechanically identical with matching current ratings (6.5A), operating temperature range (-55°C to 125°C), and ROHS3 compliance. The primary difference is packaging: 09664516513 is supplied in Tray format while 09664517513 is supplied in Bulk format.
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