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PTGL05AS3R9K2B51B0 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is PTC RESET FUSE 30V 340MA RADIAL. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for PTGL05AS3R9K2B51B0
- Description：PTC RESET FUSE 30V 340MA RADIAL
- Series：POSISTOR®, PTGL
- Mfr：Murata Electronics
- Package：Bulk
- Type：Ceramic
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：340 mA
- Current - Trip (It)：452 mA
- Current - Max：3.5 A
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：3.9 Ohms
- Operating Temperature：-30°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.217" Dia x 0.138" T (5.50mm x 3.50mm)
- Height - Seated (Max)：0.413" (10.50mm)
- Thickness (Max)：-
- Lead Spacing：0.197" (5.00mm)
Ptc Resettable Fuses datasheet and documents for PTGL05AS3R9K2B51B0
Ptc Resettable Fuses Overview
The PTGL05AS3R9K2B51B0 is a ceramic PTC resettable fuse from the POSISTOR PTGL series, designed for through-hole radial disc mounting. It features a maximum voltage rating of 30V and a hold current (Ih) of 340 mA. The typical resistance at 25°C is 3.9 Ohms with a trip current of approximately 680 mA. Operating within a temperature range of -30°C to +85°C, this component provides overcurrent protection in electronic circuits.
Ptc Resettable Fuses Feature Summary
- Provides automatic circuit recovery after fault clearance without manual replacement
- Functions as both an overcurrent protector and a startup current-limiting element
- Utilizes ceramic thermistor technology for reliable thermal response
Ptc Resettable Fuses Applications
- Overcurrent protection in portable electronics
- Current limiting during power-up sequences
- Protection of low-voltage DC circuits
Ptc Resettable Fuses Procurement Notes
Verify part authenticity via Murata official channels due to potential counterfeit risks. Confirm RoHS3 compliance and AEC-Q100 qualification status if automotive use is intended. Check lifecycle status as some listings indicate obsolete or limited availability. Ensure package type matches design requirements before ordering.
Ptc Resettable Fuses Selection Notes
Select based on hold current and voltage ratings matching circuit operational limits. Consider initial resistance value for impact on normal operation. Verify thermal environment compatibility within specified operating range. Evaluate space constraints for radial disc footprint and lead spacing.
Ptc Resettable Fuses Part Context
Part of the POSISTOR PTGL series, this component belongs to Murata's line of polymer positive temperature coefficient devices. These are engineered for compact surface mount and through-hole applications requiring precise thermal characteristics and high reliability in consumer and industrial electronics.
Ptc Resettable Fuses Replacement Considerations
Public confirmed substitute part numbers are not available in provided documentation. Consult Murata technical support for direct replacements or obsolescence management strategies.
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