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Molex 0901471320 Equivalent & Substitute Parts
Part Overview
The Molex 0901471320 is a 20-position receptacle connector with 0.100" (2.54mm) pitch, designed for through-hole PCB mounting with solder termination. This connector features gold-plated mating contacts, tin-plated posts, and is rated for 3A at 350V. The part is active in production and ROHS3 compliant, serving applications in automotive, general purpose, lighting, medical, and telecommunications sectors.
Equivalent and substitute parts are identified when design requirements permit tolerance in mechanical dimensions, contact finish specifications, or operating temperature ranges while maintaining core electrical functionality and board-level compatibility.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Type | Receptacle |
| Contact Type | Female Socket |
| Number of Positions | 20 |
| Pitch - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Finish - Mating | Gold |
| Current Rating | 3A |
| Voltage Rating | 350V |
| Operating Temperature | -55°C ~ 105°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
Core Compatibility Requirements (Non-Negotiable):
- 20-position configuration
- 0.100" (2.54mm) mating pitch
- Through-hole solder termination
- Push-pull fastening mechanism
- Female socket contact type
- Receptacle connector style
Allowable Variation Parameters:
- Contact finish on mating surface (gold acceptable; tin acceptable for non-gold applications)
- Insulation height (within ±0.010" tolerance for board clearance)
- Contact post length (within ±0.010" tolerance for solder joint formation)
- Operating temperature range (substitutes with lower minimum or higher maximum acceptable if application permits)
- Current rating (substitutes with equal or higher rating acceptable)
- Voltage rating (substitutes with equal or higher rating acceptable)
- Contact finish material on posts (tin, tin-lead acceptable)
- Insulation material composition (polyester, thermoplastic, polyamide acceptable)
Compliance Considerations:
- RoHS status alignment preferred but not absolute barrier
- REACH status noted for supply chain documentation
Parameter Comparison
| Parameter | Molex 0901471320 | TE 1-534237-8 | TE 1-535541-8 | TE 6-534237-8 | Amphenol 75915-320LF | Amphenol 76308-120LF | Harwin M20-7822042 | Harwin M20-7822046 | Sullins PPPC201LFBN-RC | Sullins PPTC201LFBN-RC |
|---|---|---|---|---|---|---|---|---|---|---|
| Connector Type | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle | Receptacle | Header | Header |
| Number of Positions | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Pitch - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | 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 |
| Contact Finish - Mating | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Tin | Gold | Tin |
| Insulation Height | 0.335" | 0.340" | 0.265" | 0.340" | 0.335" | 0.335" | 0.335" | 0.335" | 0.335" | 0.335" |
| Contact Length - Post | 0.114" | 0.115" | 0.125" | 0.115" | 0.114" | 0.135" | 0.118" | 0.118" | 0.126" | 0.126" |
| Operating Temperature | -55°C ~ 105°C | -65°C ~ 125°C | -65°C ~ 125°C | -65°C ~ 125°C | Not Specified | Not Specified | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Current Rating | 3A | 2A | 2A | 2A | Not Specified | Not Specified | 3A | 3A | 3A | 3A |
| Voltage Rating | 350V | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | 1000V | 1000V | 250V | 250V |
| RoHS Status | ROHS3 Compliant | RoHS Non-Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
Harwin M20-7822042 and M20-7822046 provide the closest electrical and mechanical alignment. Both maintain 3A current rating, exceed the 350V voltage requirement at 1000V, and support the full -55°C to 105°C operating range of the original part. M20-7822042 features gold mating contacts matching the original specification, while M20-7822046 uses tin mating contacts. Both are ROHS3 compliant and mechanically compatible with identical insulation height and post length within acceptable tolerance.
Secondary Substitutes (Acceptable with Application Review):
Sullins PPPC201LFBN-RC and PPTC201LFBN-RC are header connectors rather than receptacles but maintain 20-position, 0.100" pitch, through-hole solder configuration with 3A rating. PPPC201LFBN-RC provides gold mating contacts; PPTC201LFBN-RC provides tin mating contacts. Voltage rating is 250V, which is lower than the original 350V specification. These parts are ROHS3 compliant and suitable for applications where the 250V rating is acceptable.
Conditional Substitutes (Application-Dependent):
TE Connectivity 1-535541-8 is ROHS3 compliant and supports extended temperature range (-65°C to 125°C). However, the 2A current rating is lower than the original 3A specification, and the 0.265" insulation height is reduced compared to the 0.335" original. This part is suitable only for applications with current requirements not exceeding 2A and where reduced insulation height does not create clearance conflicts.
Amphenol 75915-320LF (Dubox series) maintains mechanical compatibility with identical insulation height and post length. RoHS compliance is confirmed. However, operating temperature range is not specified, and current/voltage ratings are not provided. This part requires application-specific validation before selection.
Not Recommended:
TE Connectivity 1-534237-8 and 6-534237-8 are rated at 2A, below the original 3A specification. Additionally, 1-534237-8 is RoHS non-compliant, creating regulatory and supply chain risk.
Amphenol 76308-120LF (BergCon series) uses brass contacts instead of phosphor bronze and has a longer post length (0.135" vs. 0.114"), which may affect solder joint geometry. Operating temperature and electrical ratings are not specified.
Frequently Asked Questions (FAQ)
Q: Can I substitute a tin-plated mating contact connector for the gold-plated original?
A: Tin-plated mating contacts (M20-7822046, PPTC201LFBN-RC) are electrically and mechanically compatible. Selection depends on application requirements. Gold plating provides superior corrosion resistance and is preferred for high-reliability applications. Tin plating is acceptable for general-purpose and industrial applications where contact resistance and environmental exposure are within acceptable limits.
Q: What is the difference between receptacle and header connectors in this product family?
A: Receptacles (Molex 0901471320, TE AMPMODU, Amphenol Dubox, Harwin M20) are designed to accept mating plugs or headers. Headers (Sullins PPPC201LFBN-RC, PPTC201LFBN-RC) are designed to mate with receptacles. Both maintain identical 0.100" pitch and 20-position configuration. Selection depends on the mating connector type in your application.
Q: The substitute part has a lower current rating (2A vs. 3A). Can I still use it?
A: A 2A-rated connector can be used only if your application current does not exceed 2A. Exceeding the rated current creates thermal and reliability risks. TE Connectivity AMPMODU parts (1-534237-8, 1-535541-8, 6-534237-8) are rated at 2A and are not suitable for applications requiring the full 3A capacity of the original part.
Q: Does the insulation height difference affect PCB compatibility?
A: Insulation height variations within ±0.010" (0.254mm) are generally acceptable for standard PCB clearance. TE 1-535541-8 has a reduced height of 0.265" compared to the original 0.335", a difference of 0.070". This reduction may create clearance conflicts with adjacent components or PCB features. Verify board layout before selection.
Q: Are all substitute parts ROHS3 compliant?
A: No. TE Connectivity 1-534237-8 is RoHS non-compliant. All other listed substitutes are either ROHS3 compliant or RoHS compliant. Regulatory requirements vary by application and market. Confirm compliance status with your procurement and quality requirements.
Q: What is the voltage rating difference, and does it matter?
A: The original Molex part is rated at 350V. Harwin M20 series parts are rated at 1000V (exceeding the original specification). Sullins header parts are rated at 250V (below the original specification). TE AMPMODU parts do not specify voltage rating. For applications operating at or near 350V, select parts with equal or higher voltage ratings. For lower-voltage applications, 250V-rated parts are acceptable.
Q: Can I use a substitute with an extended operating temperature range?
A: Yes. TE Connectivity AMPMODU parts support -65°C to 125°C, exceeding the original -55°C to 105°C range. Extended temperature capability does not create compatibility issues and may provide design margin for thermal extremes. However, verify that other connector materials and insulation properties remain suitable for your application environment.
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