TDK Thermistor, PTC Type 45 Ω, Leaded Disks 12.5 mm 35 mm 5 mm

RS Stock No.:: 191-1850
Mfr. Part No.:: B59873C0120A070
Brand:: TDK

TDK Thermistor, PTC Type 45 Ω, Leaded Disks 12.5 mm 35 mm 5 mm

View all Thermistor ICs

Subtotal (1 unit)*

£1.06

(exc. VAT)

£1.27

(inc. VAT)

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In Stock

Plus 833 unit(s) shipping from 14 September 2026

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Units	Per unit
1 +	£1.06

*price indicative

RS Stock No.:: 191-1850
Mfr. Part No.:: B59873C0120A070
Brand:: TDK

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	TDK
	Series	B598
	Product Type	Thermistor
	Temperature Coefficient Type	PTC
	Automotive Standard	AEC-Q200
	Tolerance ±	25%
	Mount Type	Lead
	Application	Short Circuit Protection, Overcurrent Protection
	Package/Case	Leaded Disks
	Pin Count	2
	Resistance at 25°C	45Ω
	Height	12.5mm
	Depth	5mm
	Standards/Approvals	IEC 60738-1, VDE 104843 E, UL 1434
	Diameter	22mm
	Length	35mm
	Termination Style	Lead Free Terminal
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	125°C

	Select all
	Brand TDK
	Series B598
	Product Type Thermistor
	Temperature Coefficient Type PTC
	Automotive Standard AEC-Q200
	Tolerance ± 25%
	Mount Type Lead
	Application Short Circuit Protection, Overcurrent Protection
	Package/Case Leaded Disks
	Pin Count 2
	Resistance at 25°C 45Ω
	Height 12.5mm
	Depth 5mm
	Standards/Approvals IEC 60738-1, VDE 104843 E, UL 1434
	Diameter 22mm
	Length 35mm
	Termination Style Lead Free Terminal
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 125°C

Datasheet

Epcos Overload Protection B59xxx Series

Protection against current overload and short-circuit

Coated thermistor disk

Manufacturer’s logo and type designation stamped on in yellow

Thermistors - PTC (Positive Temperature Coefficient)

Positive temperature coefficient Thermistor is designed for general purpose over-current, over-voltage, and direct over temperature protection. Applications in TV tube degaussing, choke and transformer protection, time delay, motor starting, liquid level sensors and overflow protection for oil tanks.

Approvals

UL recognised component up to 265V for all types

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