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Specifications
Mfr. Part #:
NTC3D-7MMF3FE
Package:
Through Hole,P=5mm
Key Attributes
Model Number:
NTC3D-7MMF3FE
Product Description
Product Overview
The NTC 3D-7/P=5/L=3.5 is a power NTC thermistor designed for surge current suppression. It features a small size with high power handling, fast response, high reliability, and a long lifespan. Its material offers a high B value and low residual resistance, making it suitable for a wide operating range and various applications.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: Dongguan, China
- Material: Phenolic resin (encapsulation), CP wire (lead material)
- Color: Black (coating color)
Technical Specifications
| Parameter | Specification | Details |
| Product Name | NTC Power Thermistor | NTC 3D-7/P=5/L=3.5 |
| Product Code | NTC3D-7MMF3FE | |
| Shape | Disk | D |
| Diameter | 7mm | -7 |
| Rated Power Resistance | 3 | 3 |
| Resistance Tolerance | 20% | M |
| Rated Zero-Power Resistance (R25) | 3 20% | |
| Material Constant (B25/50) | 2700 10% | |
| Max. Steady State Current | 3 A | |
| Thermal Dissipation Constant | 9 mW/ | |
| Thermal Time Constant | 30 s | |
| Operating Temperature Range | -40 ~ 150 | |
| Lead Shape | Internal Bending Feet (I Type) | |
| Lead Diameter | 0.55mm | d: (0.1) |
| Body Diameter (max) | 9.0mm | D: (max) |
| Body Thickness (max) | 5.0mm | T: (max) |
| Lead Pitch (F) | 5.0mm 1.0 | F: (1.0) |
| Lead Length (L) | 3.5mm 0.5 | L: (0.5) |
| Solderability | Uniform tinning, Area 95% | Dipped in 240-245 tin bath for 2-3s, 6mm from body. |
| Resistance to Soldering Heat | No visible damage, R/RN 20% | Dipped in 2655 tin bath for 101s. |
| Strength of Lead Terminal | No break out, R/RN 20% | Tested by pull, bend, twist. |
| Temperature Cycling | No visible damage, RN / RN 20% | -40/30min 200/30min, 5 cycles. |
| Electrical Cycling | No visible damage, RN / RN 20% | 3.0A, 1000 cycles (1 min on / 5 min off). |
| Load Life (Endurance) | No visible damage, RN / RN 20% | 3.0A, 100024 hours at 25. |
| Humidity Testing | No visible damage, RN / RN 20% | 40, 93% RH, 100024 hours. |
2512241555_DGCX-NTC3D-7MMF3FE_C53224140.pdf
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