Compact SMD NTC Thermistor (MF72-0805 Series) for Precision Temperature Sensing
The MF72-0805 Series SMD NTC thermistors feature high accuracy, fast thermal response, and excellent long-term stability. With resistance values ranging from 2kΩ to 68kΩ, B constants up to 4250K, and a wide operating temperature range (-40℃ to +125℃), they are ideal for applications such as battery packs, temperature monitoring, smart wearables, and industrial control.
| Part No | Resistance (25℃) (kΩ) | B Constant (25/50℃) (K) | B Constant (25/85℃) (K) | Permissible Operating Current (25℃) (mA) | Dissipation Factor (mW/℃) | Thermal Time Constant (s) | Rated Electric Power (25℃) (mW) | Operating ambient temperature (℃) |
| JR0805N202F3450FB | 2.0 | 3450 | 3500 | 1.0 | 1.0 | <5 | 200 | -40~+125 |
| JR0805N202F3950FB | 2.0 | 3950 | 3987 | 1.0 | ||||
| JR0805N222F3450FB | 2.0 | 3450 | 3500 | 0.90 | ||||
| JR0805N222F3950FB | 2.2 | 3950 | 3987 | 0.90 | ||||
| JR0805N332F3450FB | 3.3 | 3450 | 3500 | 0.72 | ||||
| JR0805N332F3950FB | 3.3 | 3950 | 3987 | 0.72 | ||||
| JR0805N472F3500FB | 4.7 | 3500 | 3545 | 0.65 | ||||
| JR0805N472F3950FB | 4.7 | 3950 | 3987 | 0.65 | ||||
| JR0805N502F3950FB | 5.0 | 3950 | 3987 | 0.60 | ||||
| JR0805N682F3950FB | 6.8 | 3950 | 3987 | 0.50 | ||||
| JR0805N102F3435FA | 10 | 3380 | 3435 | 0.72 | ||||
| JR0805N472F3500FB | 10 | 3450 | 3500 | 0.65 | ||||
| JR0805N103F3435FA | 10 | 3380 | 3435 | 0.44 | ||||
| JR0805N103F3450FB | 10 | 3450 | 3500 | 0.40 | ||||
| JR0805N103F3950FB | 10 | 3950 | 3987 | 0.44 | ||||
| JR0805N153F3500FB | 15 | 3500 | 3545 | 0.32 | ||||
| JR0805N223F3950FB | 22 | 3950 | 3987 | 0.30 | ||||
| JR0805N223F4050FB | 22 | 4050 | 4110 | 0.31 | ||||
| JR0805N333F4050FB | 33 | 4050 | 4100 | 0.24 | ||||
| JR0805N473F4050FB | 47 | 4050 | 4100 | 0.20 | ||||
| JR0805N473F4150FB | 47 | 4150 | 4200 | 0.20 | ||||
| JR0805N503F4150FB | 50 | 4150 | 4210 | 0.18 | ||||
| JR0805N683F4150FB | 68 | 4150 | 4210 | 0.16 |
EN
