JST, R Insulated Ring Terminal, 4mm Stud Size, 0.25mm² to 1.65mm² Wire Size, Red
- RS Stock No.:
- 838-8226
- Mfr. Part No.:
- FN1.25-M4
- Brand:
- JST
Subtotal (1 pack of 100 units)*
£17.80
(exc. VAT)
£21.40
(inc. VAT)
FREE delivery for orders over £50.00
Limited stock
- 400 left, ready to ship
- Plus 400 left, shipping from 11 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 100 + | £0.178 | £17.80 |
*price indicative
- RS Stock No.:
- 838-8226
- Mfr. Part No.:
- FN1.25-M4
- Brand:
- JST
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | JST | |
| Series | R | |
| Insulation | Insulated | |
| Insulation Material | Nylon | |
| Inner Ring Diameter | 4.3mm | |
| Outer Ring Diameter | 6.6mm | |
| Maximum Wire Size mm² | 1.65mm² | |
| Minimum Wire Size mm² | 0.25mm² | |
| Maximum Wire Size AWG | 16AWG | |
| Minimum Wire Size AWG | 22AWG | |
| Stud Size | 4mm | |
| Colour | Red | |
| Thickness | 0.8mm | |
| Overall Length | 18.6mm | |
| Select all | ||
|---|---|---|
Brand JST | ||
Series R | ||
Insulation Insulated | ||
Insulation Material Nylon | ||
Inner Ring Diameter 4.3mm | ||
Outer Ring Diameter 6.6mm | ||
Maximum Wire Size mm² 1.65mm² | ||
Minimum Wire Size mm² 0.25mm² | ||
Maximum Wire Size AWG 16AWG | ||
Minimum Wire Size AWG 22AWG | ||
Stud Size 4mm | ||
Colour Red | ||
Thickness 0.8mm | ||
Overall Length 18.6mm | ||
JST Insulated Crimp Ring Terminals
The JST R-Type Ring Terminal is made of oxygen free cooper and features excellent electrical characteristics. The Nylon insulation ensures high flame resistance and insulation properties.
Features & Benefits
• Flared entry
• Oxygen free cooper with excellent electrical characteristics
• High-strength brazing
• Insulation
• High temperature resistance (up to 105oC)
A range of insulated crimp ring terminals for use with a variety of wire and stud sizes.
Insulated crimp ring terminals with part numbers prefixed 'FVWS' have flared vinyl insulation and a butted seam
Insulated crimp ring terminals with part numbers prefixed 'FVDWS' have vinyl insulation, copper sleeve and butted seam
Insulated crimp ring terminals with part numbers prefixed 'N' have straight nylon insulation
Insulated crimp ring terminals with part numbers prefixed 'FN' have flared nylon insulation
JST Insulated Crimp Terminals