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Specifications
Resistance @ 25℃:
5Ω
Operating Temperature:
-45℃~+150℃
Tolerance:
±20%
Steady State Current (Max):
2A
Thermal Time Constant:
30s
Mfr. Part #:
NTC5D-7SMF03E
Package:
Through Hole
Key Attributes
Model Number:
NTC5D-7SMF03E
Product Description
Product Overview
This product is a NTC thermistor, model NTC 5D-7/P=5/L=3, with an inner bent lead. It is designed for various applications requiring temperature sensing and protection.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: Dongguan, China
- Material: Silicone resin
- Color: Black
- Lead Material: Tinned CP wire, inner bent lead type
Technical Specifications
| Model | R25 () | Max. Steady Current (A) | Approx. Resistance at Max. Current () | Dissipation Factor (mW/) | Thermal Time Constant (S) | Operating Temperature () | Dmax (mm) | Tmax (mm) | P 0.5 (mm) | Hmax (mm) | d 0.08 (mm) | H 0.5 (mm) |
| MF72-5D-7 | 5 | 2 | 0.28 | 10 | 30 | -45+150 | 8 | 4.5 | 5 | 10 | 0.55 | 3 |
Electrical Performance Test Standards
| Sequence | Item | Standard Requirement | Test Conditions and Methods |
| 1.1 | Nominal Resistance (R25) | 520% | After testing samples are placed in still air at 253 for 2 hours, the DC resistance of the thermistor is measured under conditions of 253 with sufficiently low power consumption. |
| 1.2 | Max. Steady Current (A) | 2A | A current meter, adjustable resistor, and test sample are connected in series in the test circuit. The product is then brought to a constant temperature of 25. A voltage of 220V is applied, and the test sample should not be damaged. |
Mechanical Performance Test Standards
| Sequence | Item | Test Method | Technical Requirements |
| 2.1 | Lead Strength | Experiment u according to GB2423-29 | No mechanical damage |
| 2.2 | Vibration Test | Simple harmonic vibration with a frequency of 10Hz-55 Hz-10 Hz and an amplitude of 0.75. According to GB10193-88 Section 4.16. | No mechanical damage |
| 2.3 | Solderability | Experiment Ta according to GB2423-28. Using the solder bath method, temperature is 2305; immersion time is 50.5 seconds; immersion depth is 20.5mm. | At least 95% of the terminal surface is covered with continuous new solder. |
2505291610_DGCX-NTC5D-7SMF03E_C49003046.pdf
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