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JST J21DF Series

9 variants · JST

About the JST J21DF Series

The JST J21DF Series series groups 9 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 fastening type, operating temperature and positions, so you can match the exact fastening type your application requires using the selection guide below. All listed JST J21DF Series part numbers are active and orderable.

Select a variant by

Fastening type
- · Latch Holder
Operating temperature
-55°C ~ 105°C · -55°C~105°C
Positions
6 · 12 · 16 · 20

Shared specifications

Color
Black
Connector type
Receptacle
Contact termination
Crimp
Features
Polarizing Key
Gender
Female Socket
Mounting type
Free Hanging (In-Line)
Package
Bulk
Pitch
0.098\" (2.50mm)
Row spacing
0.157\" (4.00mm)
Rows
2

Variant comparison

ParameterJ21DF-06V-KXJ21DF-06V-KX-LJ21DF-06V-KYJ21DF-12V-KXJ21DF-12V-KYJ21DF-16V-KX
Fastening type-Latch Holder----
Operating temperature-55°C~105°C-55°C ~ 105°C-55°C ~ 105°C-55°C ~ 105°C-55°C ~ 105°C-55°C ~ 105°C
Positions666121216

Request a quote on any JST J21DF 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 J21DF Series variants differ?
JST J21DF Series part numbers differ by fastening type, operating temperature and positions. Use the selection guide above to pick by fastening type.
How many JST J21DF Series part numbers are listed?
9 JST J21DF Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST J21DF Series?
Request a quote (RFQ) for any JST J21DF Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants