The JST JFA Connector series is designed to meet the demands of signal and power supply circuits in industrial applications such as factory automation, heavy electrical machinery, and other general industrial equipment. This connector line offers a versatile range of housing options, yet features a standardized contact design to ensure compatibility and simplicity. The use of standardized tooling further enhances its practicality, reducing complexity and costs in assembly. Key features include a reliable double-spring construction for secure contact retention, housing lances for added stability, and a clear tactile click for a confident mating experience. This combination of features ensures robust performance and ease of use across diverse industrial settings.

Current rating: (AC, DC), Unit: A
| Circuits | Wire Size (AWG) | Dimension (mm) | |||
| #14 | #16 | #18 | #20 | A | |
| 30 | 8.5 | 7.0 | 5.5 | 4.0 | 27.2 |
| 40 | 8.5 | 7.0 | 5.5 | 4.0 | 34.9 |

| Circuits | Keying | Model No. | Dimensions (mm) | Q'ty/box | ||||||
| A | B | C | D | E | F | G | ||||
| 30 | X | F33FRTPA-30V-KX | 22.0 | 15.4 | 31.9 | 29.5 | 23.3 | 28.3 | 30.3 | 56 |
| Y | F33FRTPA-30V-SY | 22.0 | 15.4 | 31.9 | 29.5 | 23.3 | 28.3 | 30.3 | 56 | |
| Z | F33FRTPA-30V-EZ | 22.0 | 15.4 | 31.9 | 29.5 | 23.3 | 28.3 | 30.3 | 56 | |
| 40 | X | F33FRFPA-40V-KX | 29.7 | 23.1 | 39.6 | 37.2 | 31.0 | 36.0 | 38.0 | 12 |
| Y | F33FRFPA-40V-SY | 29.7 | 23.1 | 39.6 | 37.2 | 31.0 | 36.0 | 38.0 | 12 | |
| Z | F33FRFPA-40V-EZ | 29.7 | 23.1 | 39.6 | 37.2 | 310.0 | 36.0 | 38.0 | 12 | |
| W | F33FRFPA-40V-MW | 29.7 | 23.1 | 39.6 | 37.2 | 31.0 | 36.0 | 38.0 | 12 | |
Note:

| Circuits | Keying | Model No. | Dimensions (mm) | Q'ty/box | |
| A | B | ||||
| 30 | X | F33MRTS-30V-KX | 24.9 | 15.4 | 64 |
| Y | F33MRTS-30V-SY | 24.9 | 15.4 | 64 | |
| Z | F33MRTS-30V-EZ | 24.9 | 15.4 | 64 | |
| 40 | X | F33MRFS-40V-KX | 32.6 | 23.1 | 64 |
| Y | F33MRFS-40V-SY | 32.6 | 23.1 | 64 | |
| Z | F33MRFS-40V-EZ | 32.6 | 23.1 | 64 | |
| W | F33MRFS-40V-MW | 32.6 | 23.1 | 64 | |
Material and Finish: Glass-filled PBT, UL94V-0, X-Keying (black), Y-Keying (white), Z-Keying (blue), W-Keying (green)

Receptacle contact

Tab contact
| Terminal Type | Model No. | Applicable wire | Insulation 0.D (mm) |
Q'ty | ||||
| Strip contact | Loose piece | Size | mm² | AWG# | reel | box(Loose piece) | ||
| Receptacle | SF3F-002(*)-P2.0 | BF3F-002(*)-P2.0 | S | 0.08~0.20 | 28~24 | 0.8~1.4 | 3700 | 1000 |
| SF3F-01(*)-P2.0 | BF3F-01(*)-P2.0 | M | 0.20~0.50 | 24~20 | 1.2~2.6 | 3700 | 1000 | |
| SF3F-41(*)-P2.0 | LF3F-41(*)-P2.0 | L | 0.50~1.25 | 20~16 | 1.8~2.8 | 3200 | 1000 | |
| SF3F-71(*)-P2.0 | BF3F-71(*)-P2.0 | 2L | 1.25~2.0 | 16~14 | 2.4~3.4 | 3200 | 1000 | |
| Tab | SF3M-002(*)-M2.0N | BF3M-002(*)-M2.0N | S | 0.08~0.20 | 28~24 | 0.8~1.4 | 3500 | 1000 |
| SF3M-01(*)-M2.0N | BF3M-01(*)-M2.0N | M | 0.20~0.50 | 24~20 | 1.2~2.6 | 3500 | 1000 | |
| SF3M-41(*)-M2.0N | LF3M-41(*)-M2.0N | L | 0.50~1.25 | 20~16 | 1.8~2.8 | 3300 | 1000 | |
| SF3M-71(*)-M2.0N | BF3M-71(*)-M2.0N | 2L | 1.25~2.0 | 16~14 | 2.4~3.4 | 3200 | 1000 | |
Notes:

Send us your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→Samples test(Approval) → place order for Mass production(2~3 weeks)→ Quality checking→ Packing → Delivery → After Service → Repeat Order.