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HomeProductsIntegrated Circuits (ICs)Specialized ICsS4B-XH-A
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S4B-XH-A -

Manufacturer Part Number
S4B-XH-A
Manufacturer
Allelco Part Number
32D-S4B-XH-A
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,460 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 9460

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Specifications

S4B-XH-A Tech Specifications
- S4B-XH-A technical specifications, attributes, parameters and parts with similar specifications to - S4B-XH-A

Product Attribute Attribute Value
Part Number S4B-XH-A
Package DAC91001
Description DAC91001
Stock Condition Get 9460 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer -
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

Manufacturer Part Number

S4B-XH-A

Manufacturer

JST

Introduction

The S4B-XH-A is a 4-position, 1-row, right-angle, shrouded header connector from JST. It is designed for board-to-cable/wire applications and features a press-fit, solder termination. The connector has a 2.50mm (0.098") pitch and a contact length of 3.40mm (0.134") on the post side.

Product Features and Performance

4 positions, 1 row

Right-angle orientation

Shrouded design with 4 walls

Press-fit, solder termination

50mm (0.098") pitch

40mm (0.134") contact length on the post side

Operating temperature range: -25°C to 85°C

Current rating: 3A

Voltage rating: 250V

UL94 V-0 flammability rating

Product Advantages

Reliable and secure connection with press-fit and solder termination options

Shrouded design provides protection and guidance during mating

Compact and space-saving right-angle orientation

Suitable for a wide range of applications with its performance specifications

Key Reasons to Choose This Product

Robust and durable construction for reliable performance

Versatile design for various board-to-cable/wire applications

Compliance with industry standards and safety requirements

Competitive pricing and availability from a trusted manufacturer

Quality and Safety Features

Meets UL94 V-0 flammability rating for enhanced safety

Tin-plated contacts for reliable conductivity and corrosion resistance

Polyamide (PA66) and nylon 6/6 insulation materials for durability

Compatibility

The S4B-XH-A connector is compatible with the JST XH series of mating receptacles and sockets.

Application Areas

Electronics and appliances

Industrial equipment

Automotive and transportation

Telecommunications and networking

Medical and healthcare devices

Product Lifecycle

The S4B-XH-A is an active and currently available product from JST. There are no known plans for discontinuation at this time. If you require information on equivalent or alternative models, please contact our sales team through our website.

Frequently Asked Questions(FAQ)

What is the maximum current rating and voltage handling capability of the S4B-XH-A connector header for use in power delivery applications?
The S4B-XH-A connector operates reliably with a continuous current rating of 3A per contact at temperatures up to 85°C, making it suitable for low- to moderate-power circuits. It supports a maximum operating voltage of 250V AC/DC under typical conditions, which aligns with standard PCB power rails and control signal lines. This performance profile makes it appropriate for embedded systems where moderate power distribution is required without exceeding thermal or insulation constraints.
How does the pitch spacing and mounting configuration of the S4B-XH-A compare to similar JST XH series connectors like the S6B-XH-A?
The S4B-XH-A maintains a consistent 2.50mm (0.098") pitch across all four positions, matching the standard spacing used throughout the JST XH series. Unlike higher-position variants such as the S6B-XH-A, which also uses 2.50mm pitch but offers six contacts, the S4B-XH-A provides a compact footprint ideal for designs requiring fewer connections. Both share identical right-angle through-hole mounting and shrouded housing design, ensuring mechanical compatibility while differing only in pin count—critical when optimizing board space in multi-row layouts.
What are the key material and finish properties of the S4B-XH-A that influence its long-term reliability in industrial environments?
The S4B-XH-A utilizes brass contacts with tin plating on both mating and post surfaces, offering excellent corrosion resistance and solderability. The insulation material is polyamide (PA66), rated UL94 V-0, providing flame retardancy essential for safety compliance. With an operating temperature range of -25°C to 85°C and a moisture sensitivity level of MSL 1, this connector is well-suited for stable indoor and controlled-environment applications, though not rated for outdoor ingress protection.
Is the S4B-XH-A compatible with automated pick-and-place assembly processes, and what termination method should be used?
Yes, the S4B-XH-A supports press-fit and solder termination methods, enabling integration into surface-mount assembly lines. While press-fit allows for robust mechanical retention without soldering heat exposure, most mass-production setups favor solder termination due to lower cost and better process control. The right-angle through-hole design facilitates hand-soldering or reflow if needed, though automated placement requires precise alignment due to the compact 2.5mm pitch.
How does the contact length and shape of the S4B-XH-A affect mating stability in vibration-prone applications?
Each male pin in the S4B-XH-A features a square contact shape and extends 3.40mm beyond the housing, providing sufficient insertion depth into mating receptacles. This geometry enhances resistance to fretting corrosion and maintains reliable electrical continuity under moderate mechanical stress. In environments with vibration, pairing this header with a corresponding receptacle featuring a detent lock ensures secure engagement, minimizing intermittent connections over time.
Can the S4B-XH-A be used in high-humidity or corrosive atmospheres, and what precautions should be taken?
Although the S4B-XH-A is not specifically rated for IP-level ingress protection, its tin-plated brass contacts and nylon housing offer reasonable resistance to ambient humidity and dust. For prolonged exposure to moisture or corrosive gases, conformal coating on the PCB near the connector or applying a protective sealant over the interface may be necessary. Additionally, storing components in dry conditions before installation helps prevent oxidation during assembly.
What is the recommended mating cycle life for the S4B-XH-A, and how does it impact design longevity?
While exact cycle life data isn't specified by the manufacturer, typical JST XH series headers are engineered for at least 10 mating cycles under normal use. The detent locking mechanism contributes to consistent contact pressure, reducing wear per cycle. Designers should limit frequent disassembly unless required by maintenance protocols; otherwise, the S4B-XH-A will maintain performance within specifications for most fixed-installation scenarios.
How does the insulation height and shrouding design of the S4B-XH-A protect against short circuits during soldering or handling?
With an insulation height of 6.10mm and full shrouding on four walls, the S4B-XH-A isolates each contact effectively from adjacent pins and external conductors. This prevents accidental shorts during manual soldering or automated handling. The physical barrier also shields against flux residue bridging gaps between pins, enhancing reliability in high-precision manufacturing environments.
What RoHS and environmental compliance status applies to the S4B-XH-A, and how does this affect global market deployment?
The S4B-XH-A is fully compliant with RoHS3 directives and is listed as REACH unaffected, meaning it contains no restricted substances such as lead, mercury, or cadmium above permissible thresholds. Its ECCN classification is EAR99, indicating minimal export control restrictions. These attributes simplify regulatory approval across Europe, North America, and other regions requiring strict environmental standards.
Should the S4B-XH-A be used in high-speed digital signaling applications, and what limitations should designers consider?
Due to its unshielded single-row design and lack of impedance control, the S4B-XH-A is not optimized for high-speed signals above several megabits per second. At 2.5mm pitch, crosstalk and signal reflections may degrade integrity in sensitive analog or fast digital lines. For such applications, shielded connectors or differential pairs routed with controlled impedance traces are preferred. Use the S4B-XH-A instead for power, ground, or low-speed I²C/SPI signals within its rated current and voltage limits.
How does the base product number relationship work for the S4B-XH-A, and why is this important for inventory management?
The S4B-XH-A shares a base product number (S4B-XH-A) across related variants such as different finishes, orientations, or accessory kits. This numbering convention simplifies sourcing and ensures interchangeability where mechanical form factor remains constant. However, slight differences in plating, packaging, or included accessories can exist—designers should verify full part numbers before procurement to avoid mismatched components during assembly.
What is the recommended storage condition and shelf life for unused S4B-XH-A connectors prior to PCB assembly?
Stored in original bulk packaging under dry, room-temperature conditions (-25°C to 85°C operational range), the S4B-XH-A has an unlimited shelf life due to MSL 1 classification. Avoid prolonged exposure to humidity above 60% RH to prevent tin whisker formation or contact discoloration. Always inspect pins for oxidation before use, though minor tarnish typically cleans off with flux during soldering.
Can multiple S4B-XH-A headers be stacked vertically for increased density, and what stacking limitations apply?
Vertical stacking is generally discouraged due to insufficient clearance between adjacent rows and potential interference with mating receptacles. The S4B-XH-A lacks provisions for interlocking or alignment features needed for stable multi-layer stacking. If higher pin counts are needed, consider using a single higher-position variant like S8B-XH-A instead, maintaining consistent pitch and mounting style while simplifying layout complexity.
What are the typical applications where the S4B-XH-A performs reliably based on real-world deployment data?
Widely adopted in consumer electronics, battery packs, and modular PCBs requiring simple, secure interconnections, the S4B-XH-A excels in applications involving sensor interfaces, LED drivers, and microcontroller peripherals. Its compact size and robust mechanical design make it ideal for devices with limited space and moderate power requirements, such as IoT sensors, small appliances, and embedded test equipment.
How should the S4B-XH-A be terminated when connecting to ribbon cables or discrete wires?
For ribbon cable connections, the S4B-XH-A’s press-fit option allows direct insertion into compatible receptacles designed for flat cables. When using discrete wires, strip 3.40mm of insulation and crimp or solder to the contacts before inserting into the header body. Ensure strain relief is applied to prevent pull-off force from damaging solder joints or pins, especially in dynamic environments.

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
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  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA

S4B-XH-A


32D-S4B-XH-A

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