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Specifications
Mfr. Part #:
NTC2.5D-9KBF20E
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
NTC2.5D-9KBF20E
Product Description
Product Overview
This document details the NTC 2.5D-9/P=7.5 thermistor with an internal bent lead, model NTC2.5D-9KBF20E. It is designed for various electronic applications requiring precise temperature sensing and current limiting. The thermistor features a phenolic resin body in black and tinned CP wire leads with an internal bent configuration.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: Dongguan, China
- Material: Phenolic Resin (body), Tinned CP Wire (leads)
- Color: Black
Technical Specifications
| Model | R25 (Ω) | Max. Steady Current (A) | Approx. Resistance at Max. Current (Ω) | Dissipation Factor (mW/℃) | Thermal Time Constant (S) | Operating Temperature (℃) | Dmax | Ø9.5mm | Tmax | 5.0mm | W ±0.5 | 7.5mm | Hmax | 11mm | Lmin | 18mm | d ±0.08 | ø0.6mm |
| MF72-2.5D-9 | 2.5Ω±20% | 4 | 0.120 | 11 | 35 | -55~+200 | 2.5D-9 | Ø9.5mm | 5.0mm | 7.5mm | 11mm | 18mm | ø0.6mm |
Electrical Performance
| Item | Standard Requirement | Test Conditions & Method |
| Nominal Resistance (R25) | 2.5Ω±20% | DC resistance measured at 25±3℃ after 2 hours in still air at 25±3℃, with sufficiently low power consumption. |
| Max. Steady Current (A) | 4A | A current meter, adjustable resistor, and test sample are connected in series. The product is thermostatted to 25℃, and a 220V voltage is applied. The test sample should not be damaged. |
Mechanical Performance
| Item | Test Method | Technical Requirements |
| Lead Strength | Experiment u according to GB2423-29 | No mechanical damage |
| Vibration Test | Simple harmonic vibration with frequency from 10Hz-55Hz-10Hz and amplitude of 0.75. According to GB10193-88 Section 4.16. | No mechanical damage |
| Solderability | Experiment Ta according to GB2423-28. Using solder bath method, temperature 230±5℃; immersion time 5±0.5 seconds; immersion depth 2±0.5mm. | At least 95% of the terminal surface shall be continuously covered with new solder. |
Packaging
Inner packaging: Bulk in plastic bags.
Outer packaging: Cardboard boxes.
2512091725_DGCX-NTC2-5D-9KBF20E_C53133403.pdf
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