MPN

TDK Thermistor, PTC Type 3.7 Ω, Leaded Disks 25.5 mm 22 mm 5 mm

RS Stock No.:: 191-1771
Distrelec Article No.:: 302-03-599
Mfr. Part No.:: B59830C0120A070
Manufacturer:: TDK

TDK Thermistor, PTC Type 3.7 Ω, Leaded Disks 25.5 mm 22 mm 5 mm

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Subtotal (1 unit)*

PHP125.28

(exc. VAT)

PHP140.31

(inc. VAT)

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In Stock

18 unit(s) ready to ship from another location
Plus 846 unit(s) shipping from June 23, 2026

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Units	Per Unit
1 - 24	PHP125.28
25 - 99	PHP121.53
100 - 499	PHP117.89
500 - 999	PHP114.35
1000 +	PHP110.91

*price indicative

RS Stock No.:: 191-1771
Distrelec Article No.:: 302-03-599
Mfr. Part No.:: B59830C0120A070
Manufacturer:: TDK

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	TDK
	Product Type	Thermistor
	Series	B598
	Temperature Coefficient Type	PTC
	Thermal Time Constant	8s
	Tolerance ±	25%
	Mount Type	Lead
	Automotive Standard	AEC-Q200
	Application	Short Circuit Protection, Overcurrent Protection
	Package/Case	Leaded Disks
	Pin Count	2
	Resistance at 25°C	3.7Ω
	Termination Style	Lead Free Terminal
	Standards/Approvals	UL 1434 file E69802, VDE license 104843 E, IEC 60738-1
	Diameter	22mm
	Length	22mm
	Depth	5mm
	Height	25.5mm
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	125°C

	Select all
	Brand TDK
	Product Type Thermistor
	Series B598
	Temperature Coefficient Type PTC
	Thermal Time Constant 8s
	Tolerance ± 25%
	Mount Type Lead
	Automotive Standard AEC-Q200
	Application Short Circuit Protection, Overcurrent Protection
	Package/Case Leaded Disks
	Pin Count 2
	Resistance at 25°C 3.7Ω
	Termination Style Lead Free Terminal
	Standards/Approvals UL 1434 file E69802, VDE license 104843 E, IEC 60738-1
	Diameter 22mm
	Length 22mm
	Depth 5mm
	Height 25.5mm
	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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