Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 8Ω |
| Operating Temperature | -40℃~+200℃ |
| Pitch | 7.5mm |
| Tolerance | ±20% |
| Steady State Current (Max) | 5A |
| Thermal Time Constant | 1.5min |
| B Constant Tolerance | ±10% |
| B Constant (25℃/50℃) | 2800K |
| Description | 8Ω ±20% 5A ±10% 2800K Through Hole,P=7.5mm NTC Thermistors RoHS |
| Mfr. Part # | NTC 8D-15 |
| Package | Through Hole,P=7.5mm |
| Model Number | NTC 8D-15 |
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Product Specification
| Resistance @ 25℃ | 8Ω | Operating Temperature | -40℃~+200℃ |
| Pitch | 7.5mm | Tolerance | ±20% |
| Steady State Current (Max) | 5A | Thermal Time Constant | 1.5min |
| B Constant Tolerance | ±10% | B Constant (25℃/50℃) | 2800K |
| Description | 8Ω ±20% 5A ±10% 2800K Through Hole,P=7.5mm NTC Thermistors RoHS | Mfr. Part # | NTC 8D-15 |
| Package | Through Hole,P=7.5mm | Model Number | NTC 8D-15 |
The NTC 8D-15/P=7.5 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. The thermistor offers a large material constant (B value) and low residual resistance, operating across a wide temperature range. It is suitable for various applications including switch mode power supplies, adapters, LED drivers, electronic ballasts, motors, and filament protection in lighting devices.
| Model | Rated Zero-Power Resistance (R25) | Material Constant (B25/50) | Max. Steady State Current | Dissipation Constant | Thermal Time Constant | Operating Temperature Range | Dimensions (D x T x F) | Lead Diameter (d) |
|---|---|---|---|---|---|---|---|---|
| NTC 8D-15 | 8 20% | 2800 10% | 5 A | 16 mW/ | 90 s | -40 ~ 200 | 17.5mm x 6.0mm x 7.5mm | 0.75mm |
| Item | Specification | Test Conditions/Methods |
|---|---|---|
| Solder-ability | Terminals uniformly tinned, area 95% | Dipping in 240-245 tin bath for 2-3s (6mm from body) |
| Resistance To Soldering Heat | No visible damage, R/RN 20% | Dipping in 2655 tin bath for 101s (6mm from body), recover 4-5h at 252 |
| Strength of lead terminal | No break out, R/RN 20% | IEC68-2-21 (GB2423.29) Ua/Ub: 10N pull (10s), 5N bend (90, 10s), 5N twist (180, 10s), recover 4-5h at 252 |
| Item | Specification | Test Conditions/Methods |
|---|---|---|
| Rated Zero-Power Resistance RN | 8 20% | Ambient temp. 251, Testing voltage: 1.5VDC, after 1-2h stabilization |
| Thermal Dissipation Constant | 16 mW/ | Calculated by change in power dissipation vs. change in temperature |
| Thermal Time Constant | 90 s | Time to reach 63.2% of ambient temp. change under zero power |
| Material Constant B | 2800 10% | B=T1T2/(T2-T1) Ln(R1/R2), T1=298.15K(25), T2=323.15K(50) |
| Max. Steady State Current | No visible mechanical damage, RN / RN 20% | Ambient temp. 252, Test Current: 5.0A |
| Item | Specification | Test Conditions/Methods |
|---|---|---|
| Temp. Cycling Testing | No visible damage, RN / RN 20% | Ta=-403 (30min) 252 (5min) Tb=2003 (30min) 252 (5min), 5 cycles. Recover 4-5h at 252. |
| Electrical Cycling Testing | No visible damage, RN / RN 20% | Ambient temp. 252, Cycles: 1,000 times, On/Off: 1min/5min, Test Current: 5.0A. Recover 4-5h at 252. |
| Load Life (Endurance) Testing | No visible damage, RN / RN 20% | Ambient temp. 252, 3.0A / 1,00024h. Recover 4-5h at 252. |
| Humidity Testing | No visible damage, RN / RN 20% | Ambient temp. 402, R.H.: 933%, Energized time: 100024 h. Recover 4-5h at 252. |
Temperature: -10+40
Humidity: 70%RH
Environment: Avoid corrosive/oxidizing gases, flammable/explosive gases, oil, water, chemical liquids, and direct sunlight. Minimize exposure after opening package; store in a sealed container with desiccant.
Usage Restrictions: Do not exceed maximum operating current or temperature range. Ensure adequate heat dissipation to prevent overheating.
Wave Soldering: Refer to profile (not detailed in source).
Soldering Iron: Temperature: 360 (max), Time: 3 sec (max), Distance from resistor: 2mm (min).
NTC XD-Y: NTC thermistor, X = Rated Zero-Power Resistance, D = Disk-Type, Y = Max diameter of disk (mm).
| Description | Symbol | Dimension (mm) |
|---|---|---|
| Feed hole pitch | P0 | 12.7 1.0 |
| Taping pitch | P | 25.4 1.0 |
| Lead spacing | F | 7.5 1.0 |
| Feed hole off alignment | P1 | 2.6 0.7 |
| Lead crimp height | H | 20 1.0 |
| Bottom height | H1 | 40.0 max |
| Carrier tape width | W | 18.0 1.0 |
| Adhesive tape width | W0 | 8.0 / 10.0 |
| Feed hole height off alignment | W1 | 9.0 0.5 |
| Adhesive tape thickness | W2 | 3.0 max |
| Overall tape thickness | t | 0.7 0.2 |
| Body diameter | D | See separate specification |
| Feed hole diameter | D0 | 4.0 0.3 |
| Wire lead diameter | d | 0.75 |
| Lead end protrusion (F Style figure2) | A | 1.0max |
| Body thickness | T | See separate specification |
| Body warp | P | 0 0.2 |
| Body inclination | h | 2.0 max |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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