BinKey

jst-b4b-xh-a-vertical-header-4pin

2 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

JST B4B-XH-A Vertical Header 4-Pin

Details

  • Location: Cabinet-3, Bin 56, Section A
  • Category: Connectors & Interconnects
  • Brand: JST Sales America Inc.
  • Part Number: B4B-XH-A
  • Model: XH Series
  • Connector Type: Header - Vertical
  • Positions: 4
  • Pitch: 2.5mm (0.098”)
  • Quantity: 30 units
  • Status: Available
  • Price Range: $0.30-0.50 per unit
  • Datasheet: JST XH Connector Datasheet
  • Product URL: DigiKey - B4B-XH-A

Description

The JST B4B-XH-A is a 4-position vertical header connector from the XH series with 2.5mm pitch spacing. This shrouded header is designed for reliable wire-to-board connections and features top-entry crimp contacts. The vertical orientation makes it ideal for standard PCB layouts and breadboard-compatible applications.

Specifications

Electrical Characteristics

  • Positions: 4
  • Pitch: 2.5mm (0.098”)
  • Current Rating: 3A per contact (typical)
  • Voltage Rating: 250V AC/RMS (typical)
  • Contact Material: Tin-plated copper alloy
  • Contact Resistance: <50mΩ (typical)

Mechanical Characteristics

  • Connector Type: Header - Vertical
  • Mounting Style: PCB Through-Hole
  • Orientation: Vertical
  • Shrouded: Yes (with boss)
  • Operating Temperature: -40°C to +85°C
  • Mating Cycles: 10,000+ (typical)
  • Compliance: RoHS compliant

Physical Dimensions

  • Board Height: 9.8mm (low profile)
  • Standard 2.5mm pitch compatible with JST XH connectors
  • Vertical mounting for perpendicular connections

Applications

  • Wire-to-board connections
  • Power distribution
  • Signal routing
  • Modular electronics systems
  • Development board interfaces
  • Hobby electronics prototyping
  • Industrial control systems

Pin Configuration

Standard 4-position vertical header:

Pin 1 - Pin 2 - Pin 3 - Pin 4

Circuit Integration

Typical Wire-to-Board Connection

Connect JST XH wire connectors to this header:

  • Provides reliable mechanical and electrical connection
  • Standard 2.5mm spacing compatible with JST XH series
  • Supports both signal and power distribution

Breadboard Compatible

Can be used with standard breadboards for prototyping applications.

Technical Notes

  • Shrouded design prevents accidental contact
  • Top-entry crimp contacts ensure reliable connections
  • Tin-plated contacts provide good corrosion resistance
  • Low profile design (9.8mm board height)
  • Standard 2.5mm pitch compatible with JST XH connectors
  • Suitable for both signal and power connections
  • Through-hole leads for reliable PCB mounting

Tags

connector, header, jst, xh-series, 4-pin, 2.5mm, vertical, through-hole, digikey, cabinet-3, bin-56, status-available

Notes

Reliable JST XH vertical headers for wire-to-board connections. The 4-position configuration and 2.5mm pitch make these compatible with standard JST XH connectors. Stock of 30 units provides excellent supply for multiple projects and prototyping work.

Graph View

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