What We Offer

Full range of active, passive, and electromechanical parts from 500+ authorized sources. We specialize in hard-to-find, EOL and shortage component sourcing to keep your production running. Get instant access to in-stock parts and global supply chain support.

In-house mold design, precision phenolic (bakelite) injection molding and contract manufacturing for automotive & industrial parts. Our DFM analysis and 4-6 week rapid production deliver heat-resistant, insulation-grade parts compliant with your specifications.

Wide range of wire-to-board, board-to-board, and high-voltage EV connectors, fully compliant with USCAR, LV214 and IATF 16949 standards. We offer custom connector solutions for automotive electronics, with full PPAP/IMDS documentation support.

Cost-saving pin-to-pin compatible replacements for TI, ST, ADI, Microchip and other brand parts. Our FAE team verifies full compatibility to reduce your BOM cost by 10-30% without any PCB redesign. Free samples and test reports provided.

Global Sourcing & Supply

Automotive-Grade Quality

Custom Molding & Assembly

BOM Sourcing

Supporting Arduino, Raspberry Pi, STM32, ESP32 and more. Chips, connectors, and passives — all in one place.

Why Work with HTINSEM?

Access to 500+ franchised and OEM sources, ensuring on-time delivery of hard-to-find and shortage electronic components to avoid production downtime.

In-house FAEs (Field Application Engineers) provide professional component recommendation, pin-to-pin replacement verification and technical support for your projects.

We support small-batch prototyping needs with no minimum order for samples. Test our parts' performance before committing to mass production orders.

Custom pin-to-pin replacement proposals that help you reduce BOM cost by 10-30% without compromising quality or redesigning your PCB.

Rapid mold trial to mass production in 4-6 weeks, with professional DFM (Design for Manufacturability) feedback to optimize your custom parts.

IATF 16949 / ISO 9001 certified processes, with full PPAP/IMDS documentation support for automotive OEMs and suppliers.

Engineering Experience

Components Shipped Yearly

On-Time Delivery Rate

Global Clients Served

Trusted & Certified: IATF 16949 | ISO 9001 | ERAI Member | 12-Month Warranty

Q1: How can I be sure your electronic components are 100% new and original?

A: We source strictly from a global network of vetted OEMs, franchised distributors, and approved partners. Every component undergoes a multi-point quality inspection that includes visual checks, documentation verification, and rigorous lab testing (such as decapsulation and X-ray) before shipment. We also provide a Certificate of Conformance and a 12-month warranty. If you have concerns about specific parts, third-party testing at accredited labs like White Horse is available on request.

Q4: Are your automotive connectors produced under IATF 16949 standards, and can you provide PPAP documentation?**

A: Yes. Our manufacturing facilities and processes are certified and strictly follow automotive-grade quality management systems. We fully support Level 3 PPAP (Production Part Approval Process) and can provide the complete package including Process Flow Diagram, PFMEA, Control Plan, MSA, and IMDS (International Material Data System) submission upon request, ensuring total quality and traceability for automotive OEMs.

Q2: What is your process for recommending a pin-to-pin replacement chip, and how do you ensure no redesign is needed?

A: You simply send us your existing BOM or target component list. Our FAE (Field Application Engineer) team will evaluate the electrical parameters, package size, and pin definition. We only propose alternatives that are fully pin-to-pin compatible and meet or exceed the original specifications, such as operating voltage, frequency, and temperature range, which means no PCB redesign or soldering rework. Free samples and a detailed comparison test report are provided for your engineering team’s sign-off before mass production.

Q5: What if you don‘t have the part in stock? Can you help source hard-to-find or obsolete components?

A: Absolutely. We take intellectual property protection seriously. We are happy to sign a Mutual Non-Disclosure Agreement (NDA) before you share any sensitive documentation like BOMs, schematics, or custom mold designs. Your data is strictly used for the purpose of quoting and production, and is never disclosed to third parties.

Q7: Do you offer BOM kitting and one-stop sourcing service?

Q6: Can you sign an NDA to protect our design files, BOMs, and proprietary information?

A: This is one of our core strengths. If an item isn’t in our ready-to-ship inventory, we activate our global sourcing network of over 500 trusted suppliers to locate it. We specialize in tracking down hard-to-find, end-of-life (EOL), and allocated electronic components. Our hybrid model of having in-house stock combined with rapid global sourcing ensures you have a reliable supply chain and production continuity even during industry-wide shortages.

A: Yes, we provide full BOM kitting service. You can send us your complete BOM list, and we will source all the components you need, check availability, and provide a one-stop quote. This saves you time and effort of managing multiple suppliers.

Q3: What about custom bakelite injection molding? Can you handle both prototyping and high-volume production for automotive parts?

A: Absolutely. We are a one-stop-shop for custom bakelite (phenolic) injection molding. Our service covers the full lifecycle: DFM (Design for Manufacturability) analysis, in-house mold design and tooling, rapid prototype sampling, and high-volume mass production. For automotive-grade parts, our processes ensure exceptional heat resistance, electrical insulation, and dimensional stability, fully compliant with your specifications. Typical lead time from design approval to T1 sampling is 4-8 weeks.

A: Absolutely. We are a one-stop-shop for custom bakelite (phenolic) injection molding. Our service covers the full lifecycle: DFM (Design for Manufacturability) analysis, in-house mold design and tooling, rapid prototype sampling, and high-volume mass production. For automotive-grade parts, our processes ensure exceptional heat resistance, electrical insulation, and dimensional stability, fully compliant with your specifications. Typical lead time from design approval to T1 sampling is 4-8 weeks.

Electronic Components Sourcing

Authorized sourcing for active, passive & electromechanical parts. We find what others can't.

Automotive Connectors

BOM Sourcing Service

IATF 16949 certified wire-to-board, board-to-board & EV connectors. PPAP ready.

Drop-in alternatives for TI, ST, ADI & more. Cut BOM cost up to 30% without redesign.

Bakelite Molding & Tooling

In-house mold design to mass production. Automotive-grade precision, 4-8 weeks lead time.

From components to connectors, molding to chip replacement — everything you need under one roof.