| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 503500-0991 |
| Series: | 503500 - SD Card |
| Amperage: | .5 A |
| Connector Type: | SD Card |
| Termination Method: | Surface Mount |
| Contact Material: | Copper Alloy |
| Contact Plating: | Gold Over Nickel |
| Maximum Operating Temperature: | 85 °C |
| Minimum Operating Temperature: | -25 °C |
| Pitch: | 2.5 mm |
| Voltage: | 50 V AC/DC |
| Shell Material: | Stainless Steel |
| Operating Temperature Range: | -25 - 85 °C |
| Contact Mating Area Plating: | Gold over Nickel |
| Number of Contacts Loaded: | 9 |
| Mating Cycles: | 10000 |
| PCB Locator: | No |
| Shielded: | Yes |
| PCB Retention: | Yes |
| Contact Termination Plating: | Gold, Tin |
| Card Detection Switch: | Open |
| Card Entry Location: | Front |
| Part Aliases: | 5035000991 |
| SKU: | MOL503500-0991 |
503500-0991
Specifications
Detailed Description
The 503500-0991 is a high-performance SD card connector designed for reliable and efficient electronic device integration. Featuring a low amperage rating of .5 A and a durable surface mount termination method, this connector ensures secure connectivity in a wide range of applications. With copper alloy contacts plated in gold over nickel, it offers excellent conductivity and corrosion resistance. Operating flawlessly in temperatures ranging from -25 to 85 °C, and with a voltage rating of 50 V AC/DC, it is suitable for demanding environments. The stainless steel shell construction provides durability, while the shielded design and PCB retention offer added security. With RoHS compliance and 10000 mating cycles, this connector guarantees longevity and environmental responsibility, making it the ideal choice for high-performance memory card connectivity.
Frequently Bought Together
| Product | Part # | Description | Stock |
|---|---|---|---|
 | Molex 15-24-9044 | Mini-Fit BMI Header, Dual Row, Right-Angle, with Snap-in Plastic Peg PCB Lock, 4 Circuits, PA Polyamide Nylon 6/6, UL 94V-0, with Tin (Sn) Plating |  |
 | Molex 15-24-9107 | Mini-Fit BMI Header, Dual Row, Right-Angle, with Snap-in Plastic Peg PCB Lock, 10 Circuits, PA Polyamide Nylon 6/6, UL 94V-2, with Select Gold (Au) Plating | |
 | Molex 39-28-8040 | Mini-Fit Jr. Vertical Header, 4.20mm Pitch, Dual Row, 4 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural | |
 | Molex 44282-0001 | Modular Jack, Right Angle, Low Profile, Shielded, Surface Mount, 8/8 | |
 | Molex 51296-5494 | 0.50mm Pitch Easy-On FFC/FPC Connector, 1.30mm Height, Right-Angle, Surface Mount, ZIF, Bottom Contact Style, 54 Circuits, Gold (Au) Contact Plating | |
 | Molex 53261-0471 | 1.25mm Pitch PicoBlade Header, Surface Mount, Right Angle, 4 Circuits | |
 | Molex 53261-0671 | 1.25mm Pitch PicoBlade Header, Surface Mount, Right Angle, 6 Circuits | |
 | Molex 53398-0271 | 1.25mm Pitch PicoBlade Header, Surface Mount, Vertical, 2 Circuits | |
 | Molex 53398-0471 | 1.25mm Pitch PicoBlade Header, Surface Mount, Vertical, 4 Circuits | |
 | Molex 53398-0671 | 1.25mm Pitch PicoBlade Header, Surface Mount, Vertical, 6 Circuits | |
 | Molex 87832-1420 | Milli-Grid Header, Surface Mount, Vertical, Shrouded, Lead-Free, 14 Circuits, 0.38 | |
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 10/31/2025 | 515981 - Obsolete no replacement. LTB 6/25/25 LTS 9/25/25 | Download | |||
| 10/30/2025 | 515990 - Obsolete some with direct replacement & some with differences. LTB 6/25/25 LTS 9/25/25 | Download | |||
| 08/01/2021 | 510134 - Supplier Change. Due to these supply constraints molex identified an internal shortage of resin supply which would create a challenge to fulfill all orders Alternative supplier operated under a certified quality management system. | Download | |||
| 06/01/2021 | 510379 - Retraction of PCN 510134. Due to E471i is the only resin effected and change in Molex Malaysia. This change is impacted for 78171, 78172, 205871, 205872 series only. no change on E130i the retraction is immediately. | Download | |||
| 04/23/2020 | 507489 Packaging Change - This letter is to inform you that the part(s) referenced in this notice will undergo packaging specification changes that may include a new Delivery unit, packaging size, changes to the label or packaging material. | Download | |||
| 06/19/2018 | 505482 - Packaging Method/Quantity Changing. This letter is to inform you that the part(s) referenced in this notice will undergo packaging specification changes that may include new container sizes, quantities or changes to the label. No changes will be made to the product as a result of this change. | Download | |||
| 09/15/2016 | 501417 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice is being moved to a different location. No changes will be made to the product as a result of this move. | Download | |||
Availability
Immediate Shipment:
Call
Stock Location:
In Stock
Factory Stock:
Call for Stock
Factory Lead:
Call
Unit Of Measure:
Each
Minimum/Multiple:
1/1
Invalid quantity value
Documents & Media
Environmental & Export Classifications
| Attribute | Value |
|---|---|
| RoHS Compliant: | Unkown |
Additional Resources
| Attribute | Value |
|---|---|
| Molex: | 503500-0991 |
| Other Names: | 5035000991 |
