Amphenol 20204075B BMS Sealed Connector | 14-Pin Female Receptacle for EV Battery

Short Description:

Manufacturer: Amphenol
Part Number: 20204075B
Application: BMS (Battery Management System) / VCU / Signal Control
Circuits: 14 Positions (Dual Row 7+7)
Gender: Receptacle (Female Housing)
Sealing: Multi-Lip Silicone Seal (Waterproof/Dustproof)
Housing Material: PBT-GF (Glass Fiber Reinforced)
Temperature Range: -40C to +125C
Color: Black with Orange Seal

Product Detail

Product Tags

Shop Amphenol 20204075B 14-Pin Sealed Female Connector. Designed for New Energy Vehicle BMS and signal control. Features high-temp PBT-GF construction and IP67 waterproof rating. Reliable signal transmission for EV battery packs.

Data Overview

Attribute	Specification
Manufacturer	Amphenol
Part Number	20204075B
Number of Circuits	14
Number of Rows	2 (7+7 Layout)
Gender	Receptacle (Female)
Waterproof Rating	IP67 / IP68
Material – Resin	PBT-GF30 (Black)
Seal Material	High-Consistency Silicone (Orange)
Operating Temperature	-40C to +125C
Termination Style	Crimp (Terminal dependent)
Application	NEV Battery Systems, Sensors, Control Modules

Product Details

Feature	Advantage	Benefit
14-Pin High Density Layout	Compact dual-row 7+7 configuration designed for tight spaces.	Space Efficiency: Maximizes signal density in BMS modules, allowing for smaller, lighter battery control units.
Integrated Multi-Lip Silicone Seal	High-performance orange radial seal provides superior moisture resistance.	IP67 Reliability: Ensures stable electrical performance in humid or dusty automotive environments, preventing short circuits.
Automotive Grade PBT-GF Housing	Made from heat-stabilized, glass-fiber reinforced PBT resin.	Durability: Maintains structural integrity under high vibration and thermal stress (up to 125C) typical of EV battery compartments.
Positive Locking Mechanism	Ergonomic side-latch design for secure mating and tactile feedback.	Anti-Vibration: Prevents accidental disconnection during vehicle operation, ensuring consistent data flow for safety-critical systems.

Our advantage

● Brand supply diversification,
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Automobile, electromechanical, industrial, communication, etc.

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Reduce intermediate links

● Good after-sales service
Quick response, professional reply

● Original genuine guarantee
Support professional consultation

● After-sales problems
Ensure that the imported original products are genuine. If there is a quality problem, it will be solved within one month of receiving the goods.

Q1: Is the Amphenol 20204075B compatible with standard 0.64mm terminals?

A: Yes, this 14-pin housing is typically designed for automotive-grade 0.64mm crimp terminals. However, we recommend verifying the specific terminal plating (Gold/Sn) and wire gauge compatibility with our technical team before ordering.

Q2: What is the primary use case for the 20204075B in electric vehicles?

A: It is most commonly used as the signal interface for BMS (Battery Management System) slave boards or as a sensor connector in VCU (Vehicle Control Unit) modules where high-reliability sealing is required.

Q3: Does this connector come with the orange seal pre-installed?

A: Yes, the 20204075B comes with the radial silicone seal pre-assembled to the housing, ensuring it is ready for immediate integration into your wire harness.