The 1053091203 is a 3-position, single-row vertical header from the Molex Nano-Fit 105309 series. The 2.50 mm pitch sets the board footprint; the 4-wall shrouding and latch holder protect the pins and lock the mating half in place, making this header suited for applications where vibration or accidental disconnection is a concern — automotive, industrial, medical, military, and telecom environments.

Molex 1053091203 Nano-Fit Header 3 Pos 2.5mm
MPN1053091203
Active
Molex Nano-Fit 105309, 1053091203, Board to Cable/Wire header, 3 circuits, 2.50 mm pitch, vertical through-hole, gold-plated contacts, shrouded, latch holder, -40°C to 105°C, 250V rating.
$1.3800Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesNano-Fit 105309
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Nano-Fit 105309 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Latch Holder |
| Voltage rating | 250V |
| Current rating | Varies by Wire Gauge |
| Operating temperature | -40°C ~ 105°C |
| Contact material | Brass |
| Insulation color | Black |
| Insulation height | 0.356\" (9.05mm) |
| Insulation material | Liquid Crystal Polymer (LCP) |
All specifications
| Parameter | Value |
|---|---|
| Mated stacking heights | 21.30mm |
| Style | Board to Cable/Wire |
| Package | Tray |
| Features | Board Guide |
| Shrouding | Shrouded - 4 Wall |
| Termination | Kinked Pin, Solder |
| Applications | Automotive, General Purpose, Industrial, Medical, Military, Telecommunications |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.098\" (2.50mm) |
| Positions | 3 |
| Contact finish - post | Tin |
| Contact length - post | 0.126\" (3.20mm) |
| Contact finish - mating | Gold |
| Contact finish thickness - post | 59.0µin (1.50µm) |
| Contact finish thickness - mating | 15.0µin (0.38µm) |
Product details
Frequently asked questions
Where can I buy 1053091203 and how do I get a price?
The 1053091203 is sourced through independent distribution channels. Submit an RFQ for current pricing and availability — lead time and lot quantities are confirmed at quote time.
What connector mates with 1053091203?
This header mates with Nano-Fit 105309 receptacle housings that accept crimp terminals. The mating half uses the same 2.50 mm pitch and latch holder interface for a secure board-to-cable connection.