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Specifications
Operating Temperature:
-40℃~+175℃
Tolerance:
±20%
Mfr. Part #:
SMDNTC2522N4R503MK0
Package:
SMD,6x5.6mm
Key Attributes
Model Number:
SMDNTC2522N4R503MK0
Product Description
Product Overview
The SMD-2522 Series encapsulated SMD NTC thermistors are designed for reliable circuit protection and temperature sensing applications. Featuring advanced encapsulation technology with UL94-V0 rated materials, these thermistors offer a compact size, small volume, and excellent space-saving capabilities. They provide superior performance in high-temperature and high-humidity environments, along with strong surge suppression capabilities. Supplied in SMD tape and reel packaging, they are suitable for lead-free reflow and wave soldering automatic mounting. Key applications include circuit protection, industrial equipment, communication devices, consumer electronics, and automotive electronics.
Product Attributes
- Brand: Songtian ()
- Series: SMD-2522
- Encapsulation Material: UL94-V0 rated
- Packaging: SMD tape and reel
- Certifications: UL94-V0 (for encapsulation material)
- Origin: China ()
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Encapsulated SMD NTC Thermistor (SMD-2522 Series) |
| Part Numbering Principle | SMD NTC 2522 N [Resistance Value] [Max Steady Current] [Tolerance] |
| NTC Type | Negative Temperature Coefficient Thermistor |
| Model Type | SMD |
| Size | 2522 (approx. 6.0*5.5mm) |
| Lead Shape | N: Inner fold |
| Resistance at 25 (Zero Power) | Examples: 2.0 (020), 5.0 (050), 200 (201) |
| Max Steady Current at 25 | Examples: 0.5A (X5), 1.0A (01), 4.0A (04) |
| Resistance Tolerance | L: 15%, M: 20% |
| Product Dimensions (mm) | L: 6.00.1, L1: 7.00.15, W: 5.550.1, L2: 6.00.15, H: 2.380.1, L3: 0.50.1, W1: 2.50.02 |
| Pad Dimensions (mm) | a: 5.5 Min, b: 2.20.1, c: 3.60.2 |
| Operating Temperature Range | -40 to 175 |
| B Value (K) 10% | Examples: 2600, 2800, 3000, 3200 |
| Thermal Time Constant (S) | <35 |
| Thermal Dissipation Coefficient (mW/) | >11 |
| Reliability Test - Vibration | Frequency: 10~55Hz, Amplitude: 0.75mm, Duration: 2 hours per axis (X, Y, Z). Resistance change: 10%. No visible damage. |
| Reliability Test - Solderability | Temperature: 2455, Time: 30.5s. Uniform tinning, 95% area coverage. |
| Reliability Test - Resistance to Soldering Heat | Immersion in 2605 solder for 101 seconds. Resistance change: 10%. |
| Reliability Test - High Temperature Storage | 1000 hours at 1252. Resistance change: 20%. |
| Reliability Test - Humidity Resistance | 1000 hours at 402, 90-95% RH. Resistance change: 20%. (Also 500 hours with applied voltage). |
| Reliability Test - Thermal Shock | 5 cycles of -40 (30min) 25 (5min) 125 (30min) 25 (5min). Resistance change: 20%. |
| Reliability Test - Endurance Test | 1000h at 255 with Imax; 1000 cycles (1min ON /5min OFF) at 255 with Imax. Resistance change: 20%. No visible damage. |
| Reliability Test - Insulation Withstand Voltage | 750Vac applied for 1 minute between coil and leads. No external damage. |
| Tape Packaging Dimensions (mm) | SPEC A0: 5.70.1, B0: 7.30.1, K0: 2.70.1, P: 12.00.1, P0: 4.00.1, P2: 2.00.1, T: 0.30.1. Component/Reel (N-inner fold): 3000pcs. |
| 13-inch Reel Dimensions (mm) | SPEC 12 E: 2.6, F: 10.8, W: 12.5, T1: 2.0, T2: 2.0, A: 0 to -2, 330, N: 3.0, 100. |
| Soldering - Lead-Free Reflow Profile | Peak Temp: 230~260; Time above 230: 10~30s; Preheat Temp: 170 max. |
| Soldering - Wave Soldering Profile | (Details not fully specified, but mentioned as a supported method) |
| Soldering - Iron Rework Conditions | Tip Temp: 400 (max.); Time: 3.5 sec (max.); Power: 50W (max.) |
| Storage Environment | Temperature: 10~30, Relative Humidity: 60% max. Use within 6 months of delivery. Solder within 168 hours after opening moisture-proof packaging. Baking recommended if storage exceeds 6 months or HIC card indicates change. Avoid corrosive substances. Store on shelves, avoid thermal shock, vibration, and direct sunlight. |
| Usage Precautions | Operate within specified temperature range. Maintain >3mm spacing from heat-generating components. Wear gloves when handling leads. Ensure product evaluation in the final application. Consider fuse for short-circuit protection to prevent fire hazards. |
Curves
- Resistance-Temperature Characteristic Curve
- Maximum Current Derating Curve (ITa = [1-(Ta-25)/(Tu-25)]Imax)
2508261540_STE-SMDNTC2522N4R503MK0_C50751521.pdf
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