B59950C0120A051

$0.60

Description：PTC RESET FUSE 80V 320MA RADIAL
Series：B59950
Mfr：EPCOS - TDK Electronics
Package：Tape & Reel (TR)

SKU:b40ed5e9ed72 Category: PTC Resettable Fuses Brand: EPCOS - TDK Electronics

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Product introduction

B59950C0120A051 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists EPCOS - TDK Electronics. Its product description is PTC RESET FUSE 80V 320MA RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for B59950C0120A051

Description：PTC RESET FUSE 80V 320MA RADIAL
Series：B59950
Mfr：EPCOS - TDK Electronics
Package：Tape & Reel (TR)
Type：Ceramic
Voltage - Max：80V
Current - Hold (Ih) (Max)：320 mA
Current - Trip (It)：640 mA
Current - Max：5.5 A
Time to Trip：-
Resistance - Initial (Ri) (Min)：-
Resistance - Post Trip (R1) (Max)：-
Resistance - 25°C (Typ)：3.7 Ohms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.532" Dia x 0.138" T (13.50mm x 3.50mm)
Height - Seated (Max)：0.669" (17.00mm)
Thickness (Max)：-
Lead Spacing：0.197" (5.00mm)

Ptc Resettable Fuses datasheet and documents for B59950C0120A051

B59950C0120A051

Ptc Resettable Fuses Overview

The B59950C0120A051 is a PTC reset fuse from the POLY-FUSE 600R series, manufactured by EPCOS (TDK). It features an 80V maximum voltage rating and a 320mA trip current. The component has a nominal resistance of 800mΩ at 25°C with a ±25% tolerance. Designed for through-hole radial mounting, it measures 13.50mm in diameter and 3.50mm in thickness. It operates within a temperature range of -40°C to 125°C and supports a maximum current of 5.5A.

Ptc Resettable Fuses Feature Summary

Provides automatic overcurrent protection by increasing resistance upon thermal activation
Offers repeated use capability as a self-resetting circuit protection device
Complies with automotive reliability standards including AEC-Q200 Revision D

Ptc Resettable Fuses Applications

Short circuit protection in electronic circuits
Overcurrent protection for automotive electronics
Protection of communication equipment interfaces

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering code against official TDK documentation to ensure correct voltage and current ratings. Confirm that the radial package dimensions match the design requirements. Check for compliance with relevant safety certifications such as UL 1434 and IEC standards before finalizing procurement.

Ptc Resettable Fuses Selection Notes

Select this component when a self-resetting protection mechanism is required for low-voltage applications. Ensure the operating environment stays within the specified -40°C to 125°C range. Verify that the 800mΩ initial resistance does not impact signal integrity or power loss in the target circuit design.

Ptc Resettable Fuses Part Context

This part belongs to the B599*5 series of PTC thermistors produced by EPCOS, now integrated into TDK Electronics. These components are widely used in industrial and automotive sectors for reliable circuit protection. The product line emphasizes robust performance under harsh environmental conditions.

Ptc Resettable Fuses Replacement Considerations

Consult official TDK cross-reference lists for verified substitutes. Generic replacements may differ in trip characteristics or physical dimensions. Ensure any alternative meets the same AEC-Q200 and safety certification requirements.