KET MG655758 025 II Series 24-Pos Female Housing | 2.54mm Pitch

Short Description:

Manufacturer: KET (Korea Electric Terminal)
Part Number: MG655758
Series: 025 II Series
Number of Positions: 24 Poles
Pitch (Centerline): 2.54 mm
Mating Tab Width: 0.64 mm [.025 in]
TPA (Terminal Position Assurance): Integrated (Pre-installed)
Housing Material: High-Performance PBT
Color: Natural (White/Cream)
Application: Automotive Signal & Power (5A)

Product Detail

Product Tags

Shop KET MG655758 025 II Series 24-position female housing. Features 2.54mm pitch, TPA locking, and high-grade PBT. Reliable signal transmission for automotive ECU and dashboards.

Data Overview

Attribute Category	Technical Specification
Brand / Series	KET / 025 II Series
Part Number	MG655758
Total Poles	24 Positions
Pitch (Centerline)	2.54 mm
Dimensions (LWH)	32.4 mm * 13.85 mm * 21.0 mm
Insulation Resistance	DC 500V 100MΩ MIN
Contact Resistance	10mΩ MAX (Initial)
Current Rating	5 Amps
Housing Material	PBT (Thermoplastic)
Sealable	No (Unsealed)
Mating Connector	MG645878
Compatible Terminal	ST731374-3 (Female)

Product Details

Product Features	Engineering Advantages	Customer Benefits
Integrated TPA System	Features a pre-installed Terminal Position Assurance (TPA) lock to verify terminal seating.	Eliminate Terminal Back-out: Guarantees every contact is locked in place, preventing signal failure in high-vibration automotive environments and reducing costly diagnostic time.
2.54mm High-Density Pitch	Compact multi-pole design (24 positions) in a small 32.4mm footprint.	Optimized Space Utilization: Allows for a massive increase in circuit density within cramped dashboard and ECU compartments, enabling more advanced features in modern vehicles.
PBT (Polybutylene Terephthalate)	Utilizes premium-grade PBT with excellent chemical and thermal resistance.	Long-Term Durability: Protects the connector from warping or degradation under engine heat or automotive fluid exposure, ensuring a lifetime of dependable performance.
Low Contact Resistance (10mΩ)	Precision-molded cavities ensure tight terminal fitment for minimal resistance.	High-Fidelity Signal: Ensures precise data transmission for sensitive sensors and controllers, preventing voltage drops that could lead to system errors.

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Q1: Which terminals are required for the MG655758 housing?

A: This housing is designed to be used with the ST731374-3 female terminal series. Please ensure you select the terminal that matches your wire gauge (typically 0.3mm² to 0.5mm²) to maintain the 5A current rating.

Q2: What is the purpose of the TPA on this KET connector?

A: The TPA (Terminal Position Assurance) is a secondary lock. After inserting the crimped terminals, the TPA is pushed into its final position to ensure that no terminal can “push out” when mating with the male header (MG645878).

Q3: Can the MG655758 be used in engine compartments?

A: While made of heat-resistant PBT, the MG655758 is an unsealed (non-waterproof) connector. It is primarily intended for protected interior applications like dashboards, ECUs, or cabin-side wiring harnesses. For wet environments, a sealed series would be required.