The Micro‑Fit 3.0 series provides 3.00 mm (.118") pitch square‑pin connectors for board‑to‑board or wire‑to‑board applications. The 43030 (female) and 43031 (male) terminals feature four points of contact, box‑type spring contacts for high normal force, and a locking tang that secures the terminal in the housing.
Key electrical ratings include 250 V maximum voltage and 5.0 A maximum current, with a contact resistance of 10 milliohms max. Mechanical specifications provide a 1.5 kgf max insertion force and a 2.5 kgf min retention force. The connectors operate from –40 °C to +105 °C and are available with tin or gold plating on phosphor‑bronze contacts, housed in polyester or LCP material. Packaging is offered in bags or reels.
| Current | 5.0 A max |
|---|---|
| Contact Resistance | 10 milliohms max |
| Insertion Force | 1.5 kgf max |
| Retention Force | 2.5 kgf min |
| Operating Temperature | -40 °C to +105 °C |
| Contact Plating | Tin or Gold |
| Contact Material | Phosphor Bronze |
| Housing Material | Polyester or LCP |
| Packaging | Bag or reel |
The connector is rated for a maximum current of 5.0 A.
Contact resistance is limited to 10 milliohms maximum.
It operates from –40 °C up to +105 °C.