High Precision MF52 Small Black Head NTC Thermistor 1K-100K 3380/3435/3950 Fast Response Temperature Probe
1. Product Overview
MF52 series is a radial epoxy encapsulated NTC (Negative Temperature Coefficient) thermistor with black bead package. It adopts high-quality ceramic chip and advanced packaging technology, featuring small size, fast thermal response, high precision, excellent stability and strong interchangeability. Widely used in temperature measurement, control, compensation and detection in various electronic fields.
2. Key Features
- Fast Thermal Response: Time constant ≤7-25s in still air, rapid temperature sensing
- High Precision: Resistance tolerance ±1%/±2%/±3%/±5%, B value tolerance ±1%/±2%
- Wide Operating Temp: -55°C to +125°C / -50°C to +150°C (optional)
- Stable & Reliable: Long-term stability, drift ≤±2% after 1000h aging test
- Good Insulation: Insulation resistance ≥100MΩ @ DC500V
- Small Black Bead: φ3-5mm epoxy package, compact structure, easy to install
- Customizable: R25 1Ω-500KΩ, B value 3380/3435/3550/3950/4100K available
- RoHS Compliant: Meet environmental protection standards, suitable for global markets
3. Technical Specifications
| Parameter |
Standard Value |
Unit |
| Model |
MF52 |
- |
| Resistance @25°C (R25) |
1K, 2K, 5K, 10K, 15K, 20K, 50K, 100K |
Ω |
| B Value (25/50°C) |
3380, 3435, 3550, 3700, 3950, 4100 |
K |
| Resistance Tolerance |
F(±1%), G(±2%), H(±3%), J(±5%) |
- |
| B Value Tolerance |
±1% (for ±1% R-tol), ±2% (others) |
- |
| Operating Temp |
-55 ~ +125 / -50 ~ +150 |
°C |
| Thermal Time Constant |
≤7-25 (still air) |
s |
| Dissipation Factor |
1.0-2.5 |
mW/°C |
| Insulation Resistance |
≥100 @ DC500V |
MΩ |
| Package |
Black epoxy bead (φ3/φ5mm) |
- |
| Lead Wire |
Tin-plated copper, PVC/PTFE (optional) |
- |
4. Applications
- Home Appliances: Air conditioner, refrigerator, water heater, induction cooker, coffee machine
- Consumer Electronics: Battery pack, charger, power bank, temperature hygrometer
- Automotive Electronics: Car temperature detection, battery management system
- Industrial Equipment: HVAC, temperature controller, medical device, instrumentation
- Others: Electronic thermometer, liquid level sensor, PCB temperature compensation
7. FAQ
Q1: What's the difference between MF52 and other thermistors?
A: MF52 is epoxy coated bead type, smaller size, faster response, lower cost than insulated wire type.
Q2: Can I customize special resistance or B value?
A: Yes, we support custom R25 (1Ω-500KΩ) and B value (3000K-4500K) as per your request.
Q3: What's the lead time for bulk order?
A: Standard models 7-10 days, customized items 15-20 days.
Q4: Do you provide technical support?
A: Yes, our engineer team offers full technical support for selection and application.