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Specifications
Mfr. Part #:
NTC2.5D-7KMF3FG
Package:
Through Hole,P=5mm
Key Attributes
Model Number:
NTC2.5D-7KMF3FG
Product Description
Product Overview
The NTC 2.5D-7/P=5/L=3.5 internal bent lead green silicone power thermistor, model NTC2.5D-7KMF3FG, is designed for surge current suppression. It features a small size with high power handling, fast response, high reliability, and a long lifespan. The thermistor offers a large material constant (B value) and low residual resistance, operating across a wide temperature range. It is suitable for applications including switch mode power supplies, adapters, LED drivers, electronic ballasts, electric heaters, electric motors, and protection for filaments in display devices and lighting.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: (Dongguan City)
- Material: (Silicone Resin)
- Coating Color: (Green)
- Lead Material: (Copper Wire)
- Certification: CX-NTC-250403-01 (Approval Number)
Technical Specifications
| Parameter | Specification | Details |
| Product Code | NTC 2.5D-7KMF3FG | NTC 2.5D-7 |
| Type | Power Thermistor | Disk Type |
| Diameter | 7mm | -7 |
| Rated Power Resistance | 2.5 | 2.5 |
| Resistance Tolerance | 20% | M |
| Rated Zero-Power Resistance (R25) | 2.5 20% | |
| Material Constant (B25/50) | 2600 10% | |
| Max. Steady State Current | 3 A | |
| Thermal Dissipation Constant | 9 mW/ | |
| Thermal Time Constant | 30 s | |
| Operating Temperature Range | -40 ~ 150 | |
| Encapsulation Material | Silicone Resin | |
| Encapsulation Color | Green | |
| Lead Material | Copper Wire | |
| Structure Dimensions (mm) | D:(max) 9.0, T:(max) 5.0, F:(0.5) 5.0, L:(0.5) 3.5, d:(0.1) 0.6 | |
| Storage Temperature | -10+40 | |
| Storage Humidity | 70%RH | |
| Solderability | Terminals uniformly tinned, area 95% | Dipped in 240-245 tin bath for 2-3s. |
| 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 to 200, 5 cycles. |
| Electrical Cycling | No visible damage, RN / RN 20% | 3.0A current, 1,000 cycles (1 min on / 5 min off). |
| Load Life (Endurance) | No visible damage, RN / RN 20% | 3.0A current, 1,00024 hours. |
| Humidity Testing | No visible damage, RN / RN 20% | 40, 93% RH, 100024 hours. |
| Wave Soldering Profile | Refer to separate specification | |
| Soldering Iron Rework | 360 (max), 3 sec (max), 2mm (min) from resistor | |
| Tape Size (mm) | P0: 12.7 1.0, P: 12.7 1.0, F: 5.0 1.0, P1: 3.85 0.7, H: 16.5 1.0, H1: 32.0 max, W: 18.0 1.0, W0: 8.0 / 10.0, W1: 9.0 0.5, W2: 3.0 max, t: 0.7 0.2, D0: 4.0 0.3 |
2512091725_DGCX-NTC2-5D-7KMF3FG_C53133415.pdf
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