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1210L010/90WR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is 1210L. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for 1210L010/90WR
- Description：1210L
- Series：PolySwitch® 1210L
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：90V
- Current - Hold (Ih) (Max)：100 mA
- Current - Trip (It)：250 mA
- Current - Max：10:00 AM
- Time to Trip：300 ms
- Resistance - Initial (Ri) (Min)：1.5 Ohms
- Resistance - Post Trip (R1) (Max)：15 Ohms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), Concave
- Size / Dimension：0.127" L x 0.101" W (3.22mm x 2.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.049" (1.25mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for 1210L010/90WR
Ptc Resettable Fuses Overview
The Littelfuse 1210L010/90WR is a PolySwitch resettable fuse from the 1210L series, designed for surface-mount PCB applications. It features a maximum voltage rating of 90 VDC and a hold current of 100 mA. The device trips at 300 mA and has a maximum trip time of 1.5 seconds. Initial resistance is typically 1.6 ohms, with a maximum post-trip resistance of 15 ohms. It operates within a temperature range of -40°C to +85°C and supports a maximum fault current of 10 A.
Ptc Resettable Fuses Feature Summary
- Polymer PTC self-resetting technology provides automatic circuit recovery after fault conditions clear
- Surface-mount construction enables direct integration into compact printed circuit board layouts
- Thermal switching mechanism responds to overcurrent events by increasing resistance to limit current flow
Ptc Resettable Fuses Applications
- Overcurrent protection for portable electronic devices
- Circuit safeguarding in telecommunications equipment
- Protection for battery-powered consumer electronics
- Surge suppression on signal and power lines
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix '90WR' against official Littelfuse documentation to confirm voltage rating and tape-and-reel packaging specifications. Ensure compatibility with standard reflow soldering profiles and check RoHS compliance status prior to final component selection.
Ptc Resettable Fuses Selection Notes
Select this component based on the required 90 VDC system voltage and 100 mA hold current threshold. Evaluate the thermal environment to ensure operation remains within the specified -40°C to +85°C range. Confirm that the initial resistance meets the circuit's power loss requirements and that the package size fits the available PCB footprint.
Ptc Resettable Fuses Part Context
This part belongs to the Littelfuse 1210L series of PolySwitch resettable fuses. These components utilize polymer positive temperature coefficient technology to provide reliable overcurrent protection. The series is widely used in various industries for protecting sensitive electronic circuits from damage due to excessive current or short circuits.
Ptc Resettable Fuses Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Generic replacements may not match the precise tripping characteristics or voltage ratings required for safe operation.
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