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Specifications
Resistance @ 25℃:
3Ω
Operating Temperature:
-40℃~+200℃
Pitch:
7.5mm
Tolerance:
±20%
Steady State Current (Max):
7A
Thermal Time Constant:
1.5min
B Constant Tolerance:
±10%
B Constant (25℃/50℃):
2700K
Mfr. Part #:
NTC 3D-15
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
NTC 3D-15
Product Description
Product Overview
The NTC 3D-15/P=7.5 is a Power NTC thermistor designed for surge current suppression. It features a small size with high power capability, fast response, high reliability, and a long lifespan. The material offers a high B value with low residual resistance and operates across a wide temperature range. This thermistor is suitable for various applications including switch mode power supplies, adapters, LED drivers, electronic ballasts, motors, and protection for filaments in display devices and lighting.
Product Attributes
- Brand: (Dongguan Chengxi Electronics Co., Ltd.)
- Origin: China
- Material: Phenolic resin (encapsulation)
- Color: Black (coating)
Technical Specifications
| Specification | Value | Unit | Details |
| Product Code | NTC 3D-15 | ||
| Rated Zero-Power Resistance (R25) | 3 | 20% Tolerance | |
| Material Constant (B25/50) | 2700 | ||
| Max. Steady State Current | 7 | A | |
| Thermal Dissipation Constant | 16 | mW/ | |
| Thermal Time Constant | 90 | s | |
| Operating Temperature Range | -40 ~ 200 | ||
| Encapsulation Material | Phenolic resin | ||
| Encapsulation Color | Black | ||
| Lead Material | CP wire | ||
| Shape | Disk | ||
| Product Diameter | 15 | mm | (D code: -15) |
| Rated Power Resistance | 3 | (R code: 3) | |
| Resistance Tolerance | M | 20% | |
| Lead Shape | Straight | (Bulk) | |
| Max. Disk Diameter (D) | 17.5 | mm | |
| Max. Thickness (T) | 6.0 | mm | |
| Forming Pitch (F) | 7.5 | 1.0 | mm |
| Min. Lead Length (L) | 20.0 | m | |
| Lead Diameter (d) | 0.75 | 0.08 | mm |
| Storage Temperature | -10 ~ +40 | ||
| Storage Humidity | 70 | %RH | |
| Solderability | 95% | Tinning area | |
| Resistance to Soldering Heat | R/RN 20% | ||
| Strength of Lead Terminal | R/RN 20% | ||
| Electrical Characteristics - Rated Zero-Power Resistance (RN) | 5 | 20% Tolerance | |
| Electrical Characteristics - Thermal Dissipation Constant () | 16 | mW/ | |
| Electrical Characteristics - Thermal Time Constant () | 90 | s | |
| Electrical Characteristics - Material Constant (B) | 280010% | ||
| Electrical Characteristics - Max. Steady State Current | 6.0 | A | At 252 |
| Reliability - Temp. Cycling | RN / RN 20% | 5 cycles (-40 to 200) | |
| Reliability - Electrical Cycling | RN / RN 20% | 1000 cycles (1 min ON / 5 min OFF) | |
| Reliability - Load Life | RN / RN 20% | 3.0A / 1000h | |
| Reliability - Humidity | RN / RN 20% | 40, 93%RH, 1000h | |
| Marking | NTC XD-Y | X=Rated Zero-Power Resistance, D=Disk-Type, Y=Max diameter of disk (mm) | |
| Soldering Iron Temp. | 360 | (max) | |
| Soldering Iron Time | 3 | sec (max) | |
| Distance from Varistor | 2 | mm (min) | |
| Tape Feed Hole Pitch (P0) | 12.7 | 1.0 | mm |
| Tape Taping Pitch (P) | 25.4 | 1.0 | mm |
| Lead Spacing (F) | 7.5 | 1.0 | mm |
| Carrier Tape Width (W) | 18.0 | 1.0 | mm |
| Feed Hole Diameter (D0) | 4.0 | 0.3 | mm |
| Lead Wire Diameter (d) | 0.75 |
2411151454_DGCX-NTC-3D-15_C42383218.pdf
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