For Reference Only
| Part Number | MICROSMD550LR-2 |
| LIXINC Part # | MICROSMD550LR-2 |
| Manufacturer | Wickmann / Littelfuse |
| Category | Circuit Protection Devices › PTC Resettable Fuses |
| Description | PTC RESET FUSE 5V 5.5A 1210 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | MICROSMD550LR-2 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | MICROSMD550LR-2 |
| Brand: | Wickmann / Littelfuse |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Circuit Protection Devices |
| Subcategory: | PTC Resettable Fuses |
| Manufacturer: | Wickmann / Littelfuse |
| Series: | PolySwitch®, microSMD |
| Package: | Tape & Reel (TR)Cut Tape (CT) |
| Part Status: | Obsolete |
| Type: | Polymeric |
| Voltage - Max: | 5V |
| Current - Max: | 50 A |
| Current - Hold (Ih) (Max): | 5.5 A |
| Current - Trip (It): | 11 A |
| Time to Trip: | 2 s |
| Resistance - Initial (Ri) (Min): | 2 mOhms |
| Resistance - Post Trip (R1) (Max): | 6.5 mOhms |
| Resistance - 25°C (Typ): | - |
| Operating Temperature: | -40°C ~ 80°C |
| Ratings: | - |
| Mounting Type: | Surface Mount |
| Package / Case: | 1210 (3225 Metric), Concave |
| Size / Dimension: | 0.127" L x 0.102" W (3.22mm x 2.58mm) |
| Height - Seated (Max): | - |
| Thickness (Max): | 0.039" (1.00mm) |
| Lead Spacing: | - |
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| In Stock | 10960 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.80000 | $0.8 |
| 3000 | $0.37000 | $1110 |
| 6000 | $0.35750 | $2145 |
| 15000 | $0.34500 | $5175 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.