Shenzhen Hwalon Electronic Co., Ltd.
| Delivery Time | 10-15 work days |
| Feature | Fast Thermal Response, High Stability, RoHS Compliant |
| Packaging Details | poly bags + carton box |
| Payment Terms | T/T |
| Nominal Resistance(25℃) | Nominal Resistance(25℃) |
| Application Field | Home Appliance, BMS, HVAC, Industrial Equipment |
| B-value | 3435K / 3950K / 3977K |
| Supply Ability | 1000,000+ PCS/Month |
| Encapsulation Material | Epoxy Resin / Stainless Steel / Silicone |
| Operating Temperature Range | -40℃ ~ 125℃ |
| Model Number | NTC |
| Brand Name | Hwalon |
| Certification | CE,UL |
| Place of Origin | China |
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Product Specification
| Delivery Time | 10-15 work days | Feature | Fast Thermal Response, High Stability, RoHS Compliant |
| Packaging Details | poly bags + carton box | Payment Terms | T/T |
| Nominal Resistance(25℃) | Nominal Resistance(25℃) | Application Field | Home Appliance, BMS, HVAC, Industrial Equipment |
| B-value | 3435K / 3950K / 3977K | Supply Ability | 1000,000+ PCS/Month |
| Encapsulation Material | Epoxy Resin / Stainless Steel / Silicone | Operating Temperature Range | -40℃ ~ 125℃ |
| Model Number | NTC | Brand Name | Hwalon |
| Certification | CE,UL | Place of Origin | China |
| High Light | small size NTC thermistor sensor ，50K 3977B thermistor for PCB ，fast thermal response NTC sensor | ||
This surface mount NTC thermistor is designed for compact electronic circuits where space is limited and fast temperature sensing is required. It adopts a small SMD chip structure with a 50K Ohm nominal resistance at 25°C and a B-value of 3977K. These parameters make it suitable for temperature compensation, overheat protection and thermal monitoring in power supplies, chargers, LED drivers, industrial PCBs and consumer electronics.
The SMD package allows direct mounting on printed circuit boards using standard reflow soldering processes. Its small size helps save layout space, while the ceramic NTC core provides stable resistance characteristics over a wide temperature range. The device responds quickly to temperature changes, enabling the control system to take protective action before overheating occurs.
This model is particularly useful for circuits that require high integration and reliable thermal monitoring. It can be used for temperature compensation in analog circuits, battery charging protection, power module monitoring and environmental sensing. The chip is compatible with automatic placement equipment and is available in tape and reel packaging for high-volume production.
表格
| Item | Specification |
|---|---|
| Model | SMD-NTC-503-3977 |
| Nominal Resistance | 50KΩ ±2% |
| B Value (25/85°C) | 3977K ±1% |
| Package | 0805 SMD Chip |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Thermal Time Constant | ≤5s |
| Packaging | Tape & Reel |
| Soldering | Reflow Soldering Compatible |
This SMD NTC thermistor offers a perfect balance of small size, high sensitivity and stable performance. It is especially suitable for modern compact electronic products where traditional leaded sensors cannot be used. The high batch consistency also helps improve production efficiency and reduce system calibration costs.
Q1: What does SMD mean? A: SMD means Surface Mount Device, which can be directly mounted on the surface of a PCB without drilling holes.
Q2: Can this be used for battery protection? A: Yes, it can be used for temperature monitoring and overheat protection in battery charging and discharging systems.
Q3: Is it available in tape and reel? A: Yes, we provide tape and reel packaging to support automatic SMT assembly.
Company Details
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
2000000-5000000
Employee Number:
301~500
Ecer Certification：
Verified Supplier
Company Overview: Established in 2010 and located in Bao’an District, Shenzhen, Hwalon Electronic Co., Ltd. is a professional manufacturer dedicated to the R&D, customized production and global sales of passive electronic components. With over 20 years of industry experience, we... Company Overview: Established in 2010 and located in Bao’an District, Shenzhen, Hwalon Electronic Co., Ltd. is a professional manufacturer dedicated to the R&D, customized production and global sales of passive electronic components. With over 20 years of industry experience, we...
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