SCONDAR SCT1501T – High‑Reliability Crimp Terminal, Compatible with JST ZH Series (SZH Contact)

Introduction

The 1.5 mm pitch wire‑to‑board connector family is widely used in compact electronic devices where space, reliability, and ease of assembly are essential. JST’s ZH series, known for its low profile, housing lance system, and stable contact performance, relies on the SZH crimp terminal for secure wire termination. The SCONDAR SCT1501T is a precision‑manufactured crimp terminal designed as a direct alternative to the JST SZH contact. Fully compatible with ZH‑series housings and headers, it provides reliable electrical connections, consistent mechanical performance, and a cost‑effective second source.

Direct Compatibility with JST SZH Contact

The SCT1501T is a form‑fit‑function compatible replacement for the JST SZH crimp terminal used in ZH series connectors. It shares the same mechanical dimensions, contact geometry, and electrical specifications, ensuring secure retention inside ZH‑compatible housings (such as SCONDAR SCT1501H or JST ZHR‑xx) and reliable mating with 1.5 mm pitch round pin headers (e.g., SCONDAR SCT1501WV or JST BxxB‑ZR). Whether for new designs or existing assemblies, the SCT1501T enables seamless substitution without requalification or tooling changes.

Key Specifications

Designed for the Housing Lance System

The SCT1501T is specifically designed to work with housings that feature a housing lance retention mechanism. When inserted into the housing, the terminal’s geometry engages with the lance, providing:

• Secure terminal retention – The lance locks the terminal in place, preventing pull‑out due to wire tension or vibration.

• Improved insertion workability – The terminal slides smoothly into the housing and produces a tactile click when fully seated, reducing assembly time.

• Easy removal for rework – A small tool can release the lance to extract the terminal without damaging the housing.

Stable Contact Performance with Round Pins

The SCT1501T is optimized for use with 1.5 mm pitch round pin headers. The terminal’s contact spring design provides high normal force, ensuring a gas‑tight, low‑resistance connection with the header’s round pins. This combination delivers:

• Stable contact resistance of 20 mΩ maximum

• Reliable signal integrity in low‑voltage, low‑current circuits

• Resistance to vibration and temperature cycling

Material and Construction

The SCT1501T is manufactured from phosphor bronze with a material thickness of 0.15 mm. Phosphor bronze offers an excellent balance of conductivity, strength, and fatigue resistance, making it the industry‑preferred base metal for crimp contacts.

Plating options:

• Tin plated – A cost‑effective finish providing good solderability and corrosion protection for standard environments.

• Gold plated – Recommended for applications requiring enhanced corrosion resistance, lower contact resistance stability, or higher mating cycle durability.

Wire Compatibility

The terminal accepts discrete wires ranging from 26 AWG to 32 AWG (exact insulation diameter range not specified – refer to the crimp specification document for recommended strip length and crimp tooling). This wire range covers the most common gauges used in compact electronic devices such as sensors, LED modules, and portable consumer products.

Designed for High‑Volume Automated Crimping

The SCT1501T is supplied on continuous reels of 15,000 pieces, making it suitable for high‑volume automatic crimping machines. It is compatible with standard applicators and crimp tooling used for JST SZH terminals, allowing seamless integration into existing wire harness production lines without new tooling investment.

Application Areas

The SCONDAR SCT1501T is ideal for any application that originally uses the JST SZH contact, including:

• Consumer electronics – Portable audio players, digital cameras, handheld game consoles

• Small appliances – Coffee makers, air purifiers, smart speakers

• Industrial sensors – Proximity, temperature, and humidity modules

• LED lighting – Strip lighting connections, driver boards

• Medical devices – Portable diagnostic equipment (non‑critical)

• Battery management – Small consumer battery packs

Why Choose SCONDAR SCT1501T?

• Direct replacement for JST SZH contact – identical dimensions, performance, and tooling compatibility

• Wide wire range – accepts 26 AWG to 32 AWG

• Two plating options – tin for cost‑effectiveness, gold for enhanced reliability

• Phosphor bronze construction – strong, conductive, and fatigue‑resistant

• Housing lance compatible – secure retention, easy insertion

• Stable contact performance – 20 mΩ max contact resistance with round pins

• High‑volume reel packaging – 15,000 pcs/reel for automated crimping

• Cost‑effective – shorter lead times, flexible MOQ

• RoHS compliant – manufactured under strict quality control

Conclusion

The SCONDAR SCT1501T crimp terminal offers a reliable, high‑performance alternative to the JST SZH contact for 1.5 mm pitch ZH‑series connectors. With matching electrical ratings (1 A, 100 V), support for 26–32 AWG wires, phosphor bronze construction (0.15 mm thickness), and optional tin or gold plating, it ensures seamless compatibility with existing ZH‑based housings and headers. Whether you are looking for a second source, supply chain flexibility, or cost optimization, the SCT1501T delivers quality and reliability.