J21SF-03V-KX
JST
-55°C ~ 105°C3Contacts Not Included
Ref. price$0.3099
Lead time on requestGet quote ›
JST J21SF Series
3 variants · JST
About the JST J21SF Series
The JST J21SF Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common color of Black, connector type of Receptacle and contact termination of Crimp. Variants differ by operating temperature and positions, so you can match the exact operating temperature your application requires using the selection guide below. All listed JST J21SF Series part numbers are active and orderable.
Select a variant by
- Operating temperature
- -55°C ~ 105°C · -55°C~105°C
- Positions
- 3 · 4
Shared specifications
- Color
- Black
- Connector type
- Receptacle
- Contact termination
- Crimp
- Fastening type
- -
- Features
- Polarizing Key
- Gender
- Female Socket
- Mounting type
- Free Hanging (In-Line)
- Package
- Bulk
- Pitch
- 0.098\" (2.50mm)
- Row spacing
- -
- Rows
- 1
Variant comparison
| Parameter | J21SF-03V-KX | J21SF-04V-KX | J21SF-04V-KY |
|---|---|---|---|
| Operating temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C~105°C |
| Positions | 3 | 4 | 4 |
Request a quote on any JST J21SF Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
Frequently asked questions
- How do the JST J21SF Series variants differ?
- JST J21SF Series part numbers differ by operating temperature and positions. Use the selection guide above to pick by operating temperature.
- How many JST J21SF Series part numbers are listed?
- 3 JST J21SF Series part numbers are listed, each with specifications and a datasheet where available.
- How do I get pricing and lead time for JST J21SF Series?
- Request a quote (RFQ) for any JST J21SF Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.