LR4-550F
For Reference Only
| Part Number | LR4-550F |
| PNEDA Part # | LR4-550F |
| Description | PTC RESET FUSE 20V 5.5A STRAP |
| Manufacturer | Littelfuse |
| Unit Price | Request a Quote |
| In Stock | 5,904 |
| Warehouses | Shipped from Hong Kong SAR |
| Estimated Delivery | Jun 24 - Jun 29 (Choose Expedited Shipping) |
| Guarantee | Up to 1 year [PNEDA-Warranty]* |
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Free shipping on orders over $100. PNEDA is willing to provide you with better services.
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LR4-550F Resources
| Brand | Littelfuse |
| ECAD Module |
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| Mfr. Part Number | LR4-550F |
| Category | Power › Circuit Protection › PTC Resettable Fuses |
| Datasheet |
Payment Method
- Penda is not limited to cash transfers. Checks and bill transfers are also accepted.
- If you need the detailed invoice or tax ID,please email us.
- Some orders may require a minimum amount of $100.00.
- Cheque or cash on delivery, processing may take an additional 3-5 days.
Logistics Mode
- Delivery time: At the same day (Order deadline is 2pm, HK Time).
- Delivery date: usually 2 to 7 working days.
- It is unable to appoint a date of delivery.
- Tracking number will be sent once your order has been shipped.
- It may take up to 24 hours before carriers display the info.
Notes
- Please confirm the specifications of the products when ordering.
- If you have special order instructions,please note it on the ordering pages.
- Registered users can log in to the account to view the order status.
- You can email us to change the order details before shipment.
- Orders cannot be canceled after shipping the packages.
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LR4-550F Specifications
| Manufacturer | Littelfuse Inc. |
| Series | PolySwitch®, LR4 |
| Type | Polymeric |
| Voltage - Max | 20V |
| Current - Max | 100A |
| Current - Hold (Ih) (Max) | 5.5A |
| Current - Trip (It) | 10.5A |
| Time to Trip | 5s |
| Resistance - Initial (Ri) (Min) | 9 mOhms |
| Resistance - Post Trip (R1) (Max) | 22 mOhms |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | -40°C ~ 85°C |
| Ratings | - |
| Mounting Type | User Defined |
| Package / Case | Strap |
| Size / Dimension | 1.417" L x 0.283" W (36.00mm x 7.20mm) |
| Height - Seated (Max) | - |
| Thickness (Max) | 0.039" (1.00mm) |
| Lead Spacing | - |
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Manufacturer Littelfuse Inc. Series nanoSMD Type Polymeric Voltage - Max 60V Current - Max 10A Current - Hold (Ih) (Max) 100mA Current - Trip (It) 250mA Time to Trip 1s Resistance - Initial (Ri) (Min) - Resistance - Post Trip (R1) (Max) - Resistance - 25°C (Typ) - Operating Temperature - Ratings - Mounting Type Surface Mount Package / Case 1206 (3216 Metric), Concave Size / Dimension 0.126" L x 0.063" W (3.20mm x 1.59mm) Height - Seated (Max) - Thickness (Max) 0.039" (1.00mm) Lead Spacing - |
Manufacturer Bourns Inc. Series Multifuse®, MF-RX/250 Type Polymeric Voltage - Max 60V (250V Int) Current - Max 3A Current - Hold (Ih) (Max) 145mA Current - Trip (It) - Time to Trip - Resistance - Initial (Ri) (Min) 3.5 Ohms Resistance - Post Trip (R1) (Max) 12 Ohms Resistance - 25°C (Typ) - Operating Temperature -40°C ~ 85°C Ratings - Mounting Type Through Hole Package / Case Radial, Disc Size / Dimension 0.236" L x 0.150" W (6.00mm x 3.80mm) Height - Seated (Max) 0.394" (10.00mm) Thickness (Max) - Lead Spacing 0.201" (5.10mm) |
Manufacturer Schurter Inc. Series PFMF Type Polymeric Voltage - Max 6V Current - Max 100A Current - Hold (Ih) (Max) 1.1A Current - Trip (It) 2.2A Time to Trip 300ms Resistance - Initial (Ri) (Min) 40 mOhms Resistance - Post Trip (R1) (Max) 210 mOhms Resistance - 25°C (Typ) - Operating Temperature -40°C ~ 85°C Ratings - Mounting Type Surface Mount Package / Case 1812 (4532 Metric), Concave Size / Dimension 0.179" L x 0.128" W (4.55mm x 3.24mm) Height - Seated (Max) - Thickness (Max) 0.033" (0.85mm) Lead Spacing - |
Manufacturer Bourns Inc. Series Multifuse®, MF-R/90 Type Polymeric Voltage - Max 90V Current - Max 10A Current - Hold (Ih) (Max) 750mA Current - Trip (It) 1.5A Time to Trip 60s Resistance - Initial (Ri) (Min) 370 mOhms Resistance - Post Trip (R1) (Max) 1.65 Ohms Resistance - 25°C (Typ) - Operating Temperature -40°C ~ 85°C Ratings - Mounting Type Through Hole Package / Case Radial, Disc Size / Dimension 0.409" Dia x 0.122" T (10.40mm x 3.10mm) Height - Seated (Max) 0.630" (16.00mm) Thickness (Max) - Lead Spacing 0.201" (5.10mm) |
