SMD1206-050 Alternative / Equivalent / Replacement - 0.5A 1206 PPTC Resettable Fuse | YINT
Are you searching for an SMD1206-050 alternative, SMD1206-050 equivalent, or SMD1206-050 replacement? YINT Electronics offers a direct SMD1206-050 substitute with identical electrical specifications to Littelfuse, Bourns, and TE Connectivity parts for overcurrent protection in compact surface-mount designs.
1. Product Overview
The SMD1206-050 is a 0.5A surface-mount PPTC (Polymeric Positive Temperature Coefficient) resettable fuse designed for overcurrent protection in compact electronic circuits. It features a hold current of 0.5A, trip current of 1.0A, and a compact 1206 (3216 metric) package. The device operates from -40C to +85C and is suitable for USB port protection, battery charging circuits, and general low-power overcurrent protection in consumer and industrial electronics.
Engineers looking for an SMD1206-050 replacement for Littelfuse, Bourns, TE Connectivity, or other major brands can confidently specify YINT's SMD1206-050. It provides resettable overcurrent protection that eliminates the need for replacement fuses in service, reducing maintenance costs and improving product reliability.
2. Key Features
Trip Current: 1.0A — Current at which device trips
Max Voltage: 30V — Maximum operating voltage DC
Max Current: 100A — Maximum fault current withstand
Tripped Power Dissipation: 0.8W — Typical at 25C
Initial Resistance (Min): 0.2 ohms — Rmin at 25C
Initial Resistance (Max): 1.5 ohms — Rmax at 25C
Operating Temp: -40C to +85C
Package: 1206 (3216 metric)
RoHS Compliant: Lead-free
3. Recommended YINT Alternative for SMD1206-050
| Original Part Number | YINT Alternative | Device Type | Package | Notes |
| SMD1206-050 | SMD1206-050 (YINT equivalent) | PPTC Resettable Fuse | 1206 (3216) | Drop-in replacement |
4. Key Parameters
| Part Number | SMD1206-050 |
| Package | 1206 (3216) |
| Hold Current (A) | 0.5 |
| Trip Current (A) | 1.0 |
| Vmax (V) | 30 |
| Imax (A) | 100 |
| Rmin (ohms) | 0.2 |
| Rmax (ohms) | 1.5 |
| Pd (W) | 0.8 |
| Topr (C) | -40 ~ +85 |
5. Cross Reference Guide
| Brand | Original Part | YINT Cross |
| Littelfuse | SMD1206-050 | SMD1206-050 |
| Bourns | SMD1206-050 | SMD1206-050 |
| TE Connectivity | SMD1206-050 | SMD1206-050 |
| Amphenol | SMD1206-050 | SMD1206-050 |
| Eaton | SMD1206-050 | SMD1206-050 |
6. Applications
- USB port overcurrent protection for PCs and peripherals
- Battery charging circuit protection in portable devices
- HDMI and display interface overcurrent protection
- Motherboard and peripheral general-purpose protection
- IoT device and smart home module input protection
- Industrial sensor module power input protection
- LED lighting driver input overcurrent protection
- Portable medical device battery circuit protection
7. Why Choose YINT
- 19+ years of manufacturing expertise since 2006
- 40+ patents and certifications with robust process control
- Global sales network serving North America, Europe, Asia
- Full PPTC series for resettable overcurrent protection
- Pin-to-pin compatible with SMD1206-050 from all major brands
- Engineering team for application assistance
- Free samples for testing upon request
- Direct manufacturer pricing with volume discounts
8. FAQ
Q1: Is YINT SMD1206-050 a direct replacement for Littelfuse or Bourns?
A: Yes. Identical specs and 1206 package dimensions. No PCB redesign needed.
Q2: What is the hold current of SMD1206-050?
A: 0.5A at 25C ambient temperature. The device will not trip at currents below this rating.
Q3: What is the trip current?
A: 1.0A minimum. The device will trip at this current level or higher within specified time.
Q4: Can SMD1206-050 be used for 12V systems?
A: Yes. The 30V max voltage rating provides sufficient margin for 12V and 24V systems.
Q5: What is the operating temperature range?
A: -40C to +85C suitable for consumer and industrial environments.
Q6: Does YINT provide free samples?
A: Yes. Contact YINT with your project details.
9. Conclusion
YINT Electronics' SMD1206-050 is a reliable, cost-effective replacement for industry-standard PPTC resettable fuses. It delivers 0.5A hold current with resettable overcurrent protection in a compact 1206 package. Contact YINT for datasheets, samples, and pricing.
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Need Help Finding the Right Alternative? Contact YINT Electronics at global@yint.com.cn for datasheets, samples, or pricing. |



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