Are you a trading company or a manufacturer?

We are a factory. Guangdong Ruiji Precision Electronics Co., Ltd has been focusing on NTC and PTC fields since 2009.

What is the delivery time for orders?

Generally, it is 3 days if goods are in stock. If not in stock, it is 5-10 days depending on the quantity. Peak and off-season lead times are within 15 workdays.

Do you provide free samples?

Yes, we can offer samples for free charge, but the customer needs to pay the cost of freight.

What are your terms of payment?

We accept T/T in advance, PayPal, Credit Card, and other international commercial terms like FOB, EXW, CFR, CIF, DDP, DAP, and FCA.

120X50.5 220V 200W Insulative PTC Air Heater with Sr Cable

Name: 120X50.5 220V 200W Insulative PTC Air Heater with Sr Cable
Brand: Guangdong Ruiji Precision Electronics Co., Ltd
SKU: 2135430382

Guangdong, ChinaGuangdong Ruiji Precision Electronics Co., Ltd

US$3.70-5.00

100 Pieces

Product specifications

Watts

Volts

Surface Temperature

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Certification

RoHS, ISO9001

Type

PTC Heater

Model NO.

PTCH

Material

Ceramic/Aluminum

Form

PTC Heating Elements

Shape

Square

MOQ

10PCS

Wire Length

Customized

Warranty

1 Year

RoHS

Compliant

Transport Package

Carton

Specification

insulative ptc heater

Trademark

neutral

Origin

China

HS Code

85162990

Production Capacity

100000 Pieces Per Month

Key features

Self-Regulating Safety: PTC ceramic elements automatically control temperature, preventing overheating without extra thermostats.

Fast Response Heating: Converts electricity to heat on aluminum shell surface within 10 seconds for immediate warmth.

Long Service Life: Designed for consistent heating with over 8000 hours of uninterrupted 7x24 operation.

Customizable Wire Length: Wire length is customized to meet specific application requirements and connector types.

RoHS & ISO9001 Certified: Compliant with RoHS standards and ISO9001 quality management for safe and reliable performance.

Energy Efficient Design: Safe and energy-saving with no redness or open flame, ideal for use with fans.

Versatile Applications: Suitable for air purifiers, hair dryers, pet beds, fresh air systems, and car heating.

Robust Construction: Encapsulated in protective resin or casing to shield against environmental factors and ensure durability.

Company profile

Guangdong Ruiji Precision Electronics Co., LtdGuangdong, China

Business Type: Manufacturer/FactoryExport Year: 2009-08-08Nearest Port: ShenzhenAverage Response Time: ≤9.01hTerms of Payment: PayPal, T/T, Credit CardInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, FCA, Others

AI-Powered supplier vetting

SummaryThe provided information presents Guangdong Ruiji Precision Electronics Co., Ltd as a China-based manufacturer/factory in Dongguan, Guangdong, established in 2009 and focused on PTC heaters, PTC thermistors, NTC thermistors, NTC sensors, and heating elements. It reports ISO 9001 certification, RoHS compliance, 6–10 R&D engineers, 6–10 quality-control staff, eight production lines, and nearly 100 million units of annual production capacity. The company states that it provides OEM/ODM services and serves customers in consumer electronics, household appliances, automotive, industrial equipment, HVAC, and related sectors. Export sales are reported at 51%–70%, with exporting since 2009. However, the slices contain inconsistent supplier identities: several records concern Guangdong Ruiji, while others identify Dongguan Tianrui Electronics Co., Ltd. This discrepancy should be resolved before relying on the combined capability claims.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, with activities covering research, development, production, and sales of PTC and related thermistor products. However, the records use both Guangdong Ruiji Precision Electronics Co., Ltd and Dongguan Tianrui Electronics Co., Ltd, creating an identity inconsistency that should be verified.

CertificationsThe supplier explicitly reports holding ISO 9001 certification, and its products are stated to be RoHS compliant. These are direct positive indicators of documented quality management and product-compliance practices, although the specific scope, issuing body, and validity period are not provided.

R&D capabilityThe company is described as focusing on research and development, continuous improvement, and innovation, with 6–10 R&D engineers. It also reports eight automated assembly lines, which supports process modernization, but there is no evidence of patents, dedicated laboratories, new-product records, or quantified R&D results.

Production capacityReported production resources include eight production lines, eight automated assembly lines, 6–10 quality-control staff, and nearly 100 million units of annual capacity across a 5,000-square-meter facility. These explicit figures support substantial manufacturing capability, although the slices do not clarify whether all figures belong to the same legal entity because of the Ruiji/Tianrui identity inconsistency.

Customization capabilityThe supplier explicitly states that it provides OEM/ODM services, directly supporting the ability to undertake customer-specific product or manufacturing requirements. No details are provided on customization scope, engineering workflow, tooling, minimum order quantities, or development lead times.

Product Q&A

Q:What is a PTC heater and how does it work?

A PTC heater uses Positive Temperature Coefficient ceramic elements. As temperature rises, electrical resistance increases, reducing current flow. This self-regulating feature prevents overheating and maintains a consistent temperature without additional thermostats.

Q:What is the structure of a PTC heater?

A typical PTC heater consists of a PTC thermistor (the core heating component), terminals, insulating materials, and a casing. The thermistor generates heat and performs the heating function.

Q:What are the main advantages of PTC heaters?

PTC heaters offer quick response, energy efficiency, and enhanced safety compared to traditional heating elements. They do not overheat or cause fires, making them safer for household and industrial use.

Q:What are the common applications for PTC heaters?

They are used in household appliances (kettles, hair dryers, electric blankets), automotive systems (seat heating, defrosting), medical equipment (blood analyzers, respirators), and industrial drying equipment.

Q:What is the difference between NTC and PTC thermistors?

NTC thermistors are good for measuring temperature as their change is smooth and predictable. PTC thermistors are good for protecting circuits due to their sharp resistance increase at a set point, acting like a resettable circuit breaker.