ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：PTC RESET FUSE 420V 21MA RADIAL
- Series：YP
- Mfr：Amphenol Advanced Sensors (Thermometrics)
- Package：Bulk
- Type：Ceramic
- Voltage - Max：420V
- Current - Hold (Ih) (Max)：21 mA
- Current - Trip (It)：39 mA
- Current - Max：200 mA
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：600 Ohms
- Operating Temperature：0°C ~ 60°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.256" Dia x 0.197" T (6.50mm x 5.00mm)
- Height - Seated (Max)：0.472" (12.00mm)
- Thickness (Max)：-
- Lead Spacing：0.236" (6.00mm)
Download product information
Overview
The YQS8120 is a Positive Temperature Coefficient (PTC) thermistor manufactured by Amphenol Advanced Sensors under the Thermometrics brand. It features a nominal resistance of 600 Ohms and utilizes through-hole mounting technology. The component is designed to exhibit an extremely large resistance change within a small temperature span, enabling effective thermal protection functions in electronic circuits.
Feature Summary
- Positive Temperature Coefficient (PTC) thermistor construction
- Extremely large resistance change within a narrow temperature range
- Through-hole mounting configuration for circuit board integration
Applications
- Overcurrent protection in electronic circuits
- Thermal management systems requiring rapid resistance transition
- Industrial control equipment safety mechanisms
Procurement Notes
Verify the specific datasheet version and detailed switching temperature parameters before procurement. Confirm that the 600 Ohm nominal resistance aligns with the target circuit design requirements. Ensure the through-hole package dimensions are compatible with the intended PCB layout and assembly processes.
Selection Notes
Select this component when a rapid increase in resistance at a specific temperature threshold is required for circuit protection. Consider the 600 Ohm baseline resistance and the specific switching characteristics against alternative PTC devices. Evaluate the through-hole form factor against available surface-mount options if space constraints exist.
Part Context
Amphenol Advanced Sensors, operating under the Thermometrics division, specializes in sensor technologies and measurement solutions. The YQS8120 belongs to their portfolio of PTC thermistors, which are utilized for precise temperature sensing and protective applications across various industrial and commercial sectors.
Replacement Considerations
Consult official manufacturer substitution guides for verified equivalent part numbers. Generic PTC thermistors may not replicate the specific resistance-temperature curve or switching behavior of the YQS8120.
