DS1021-1*4SF1-1 Connfly Connector (Header, Vertical) In Stock
DS1021-1*4SF1-1 from Connfly is a connector for production electronic assemblies, replacement sourcing, and design-in evaluation. Key known parameters include 4 pins, 0°C to 0°C. It is supplied in Header, Vertical packaging with 4 pins, supporting BOM review, PCB footprint checks, and purchasing qualification for industrial, embedded, and maintenance applications.
- Manufacturer
- Connfly
- Package
- Header, Vertical
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- DS1021-1*4SF1-1 Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Connector supplied by Connfly
- 4 pins for footprint and assembly planning
- Header, Vertical package information for PCB layout review
- 0°C to 0°C operating temperature reference
- 4 pins key rating from the supplied part data
- Suitable for RFQ-based sourcing, replacement checks, and production BOM qualification
Applications
DS1021-1*4SF1-1 is used in board-to-board, wire-to-board, and equipment interconnect designs where footprint, contact count, and assembly style must match an existing PCB. It is also useful for maintenance sourcing, production BOM alternates, and connector replacement programs that need verified manufacturer and package details.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which designs are a good fit for DS1021-1*4SF1-1 when 4 pins is required?
DS1021-1*4SF1-1 is a practical connector choice when the design requirements match 4 pins. Engineers should compare the manufacturer data, Header, Vertical package, and operating conditions against the schematic before approving it for a production BOM.
How should procurement teams qualify DS1021-1*4SF1-1 before placing an RFQ?
Procurement should verify the Connfly ordering code, lifecycle status, RoHS or lead-free evidence, and traceable date-code availability. The known 4 pins requirement helps screen alternates before requesting pricing for production quantities.
What footprint details matter most when replacing DS1021-1*4SF1-1 on an existing board?
Check the Header, Vertical package, land pattern, height constraints, and 4 pins against the original PCB files. Even when electrical ratings match, a mismatch in pins or package style can block assembly release.
Related Guides
How to Choose Würth Elektronik 150141-Series SMD Indicator LEDs
Choose 150141RS73100 and related Würth 150141 LEDs by color, brightness, 3528 package fit, drive margin, and procurement controls.
Jul 15, 2026
Molex 53398-0371 Selection Guide: Choosing a 3-Circuit Wire-to-Board Header
Choose Molex 53398-0371 by circuit count, mating system, derating, PCB geometry, assembly needs, and exact-suffix sourcing.
Jul 15, 2026
53398-0371 Compact Wire-to-Board Connector Design Guide
Design a reliable 53398-0371 compact wire-to-board interface with proven layout, crimp, strain-relief, and validation practices.
Jul 14, 2026
742792651 Ferrite Bead Selection Guide for EMI and Power Integrity
Choose a 742792651-class ferrite bead by balancing impedance, DC bias, resistance, thermal limits, and filter stability.
Jul 14, 2026
Why Buy from FindMyChip
About Connfly
Connfly is a leading electronic component manufacturer. FindMyChip sources Connfly ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”