PTC Resettable Fuses DistyParts

Circuit Protection > PTC Resettable Fuses

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PTC Resettable Fuses provide overcurrent protection by resetting after a fault condition is removed. Key attributes include Current, Height, Lead Spacing, and Operating Temperature. These components are essential for applications such as production electronics assembly and maintenance.

What are PTC Resettable Fuses ?

PTC Resettable Fuses are protective devices that limit current flow and reset automatically after a fault condition is cleared. They are commonly used in applications like new product design, maintenance, and field replacements. Important specifications for selection include Current, which determines the maximum load; Operating Temperature, which affects performance under different conditions; and Lead Spacing, which ensures compatibility with PCB layouts. Validating lifecycle status and sourcing options is crucial for procurement teams to mitigate risks.

Part & Mfr

Total Stock

Pricing & RFQ

Current

Height

Lead Spacing

Mounting Type

Operating Temperature

Ratings

Resistance

Size

Thickness (Max)

Time to Trip

Type

Voltage

MF-SM013/250V-2

Bourns

1,519

Across 3 distributors

Distributor	Stock	MOQ	Country
Innova Technologies	169	-	-
Bristol Electronics	900	-	-
Hybrid Electronics	450	-	-

Price on request

1,519

Distributor	Stock	MOQ	Country
Innova Technologies	169	-	-
Bristol Electronics	900	-	-
Hybrid Electronics	450	-	-

130 mA

Surface Mount

-40°C ~ 85°C

16 Ω

0.350" L x 0.283" W (8.90mm x 7.20mm)

0.402" (10.20mm)

Polymeric

60V (250V Int)

MF-USMF050-2

Bourns

1,514

From Speed Components Ltd

Price on request

1,514

500 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

900 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.033" (0.85mm)

100 ms

Polymeric

13.2V

1206L150PR

Littelfuse Inc.

1,510

From Bristol Electronics

Price on request

1,510

1.5 A

Surface Mount

-40°C ~ 85°C

120 mΩ

0.126" L x 0.065" W (3.20mm x 1.65mm)

0.055" (1.40mm)

300 ms

Polymeric

MF-SM250-2-99

Bourns

1,500

From Bristol Electronics

Price on request

1,500

2.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

85 mΩ

0.344" L x 0.264" W (8.75mm x 6.71mm)

0.118" (3.00mm)

25 s

Polymeric

15V

FRX135-90F

FUZETEC TECHNOLOGY

1,500

From Speed Components Ltd

Price on request

1,500

1.35 A

0.772" (19.60mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

300 mΩ

0.571" Dia (14.50mm)

9.6 s

72V (90V Int)

MF-R400

Bourns

1,500

Price on request

1,500

4 A

0.976" (24.80mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

50 mΩ

0.567" L x 0.118" W (14.40mm x 3.00mm)

12.7 s

Polymeric

30V

2016L150DR

Littelfuse Inc.

1,500

Price on request

1,500

1.5 A

Surface Mount

-40°C ~ 85°C

180 mΩ

0.200" L x 0.160" W (5.08mm x 4.07mm)

0.061" (1.55mm)

1 s

Polymeric

15V

MF-R185-2

Bourns

1,500

Price on request

1,500

1.85 A

0.724" (18.40mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

110 mΩ

0.472" Dia x 0.118" T (12.00mm x 3.00mm)

8.7 s

Polymeric

30V

1812L125/16DR

Littelfuse Inc.

1,500

From Bristol Electronics

Price on request

1,500

1.25 A

Surface Mount

-40°C ~ 85°C

140 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.049" (1.25mm)

400 ms

Polymeric

16V

1812L200/16DR

Littelfuse Inc.

1,500

From Bristol Electronics

Price on request

1,500

2 A

Surface Mount

-40°C ~ 85°C

70 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.047" (1.20mm)

2 s

Polymeric

16V

MINISMDC110F/24-2

Littelfuse Inc.

1,428

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	928	-	-
Bristol Electronics	500	-	-

Price on request

1,428

Distributor	Stock	MOQ	Country
Braun Electronic Components	928	-	-
Bristol Electronics	500	-	-

1.1 A

Surface Mount

-40°C ~ 85°C

180 mΩ

0.181" L x 0.128" W (4.60mm x 3.24mm)

0.057" (1.46mm)

500 ms

Polymeric

24V

MF-R025-2-99

Bourns

1,420

Price on request

1,420

250 mA

0.500" (12.70mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

3 Ω

0.291" Dia x 0.122" T (7.40mm x 3.10mm)

2.5 s

Polymeric

60V

MF-R300-2

Bourns

1,350

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,340	-	-
MW.FEP S.p.A.	10	-	-

Price on request

1,350

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,340	-	-
MW.FEP S.p.A.	10	-	-

3 A

0.720" (18.30mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

80 mΩ

0.472" L x 0.118" W (12.00mm x 3.00mm)

10.8 s

Polymeric

30V

RUSBF120-2

Littelfuse Inc.

1,325

From Bristol Electronics

Price on request

1,325

1.2 A

0.461" (11.70mm)

0.200" (5.08mm)

Through Hole

-40°C ~ 85°C

140 mΩ

0.272" L x 0.122" W (6.90mm x 3.10mm)

500 ms

Polymeric

MF-R065

Bourns

1,300

Price on request

1,300

650 mA

0.598" (15.20mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

720 mΩ

0.382" Dia x 0.122" T (9.70mm x 3.10mm)

5.3 s

Polymeric

60V

MF-MSMF160-2

Bourns

1,255

From Bristol Electronics

Price on request

1,255

1.6 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

99 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.033" (0.85mm)

2 s

Polymeric

SMD200F-2

Littelfuse Inc.

1,215

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	70	-	-
Bristol Electronics	1,145	-	-

Price on request

1,215

Distributor	Stock	MOQ	Country
Speed Components Ltd	70	-	-
Bristol Electronics	1,145	-	-

2 A

Surface Mount

-40°C ~ 85°C

125 mΩ

0.343" L x 0.250" W (8.70mm x 6.36mm)

0.118" (3.00mm)

12 s

Polymeric

15V

MF-SM150-2-99

Bourns

1,210

From Bristol Electronics

Price on request

1,210

1.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

250 mΩ

0.344" L x 0.264" W (8.75mm x 6.71mm)

0.118" (3.00mm)

5 s

Polymeric

15V

SMD100F/33-2

Littelfuse Inc.

1,202

Price on request

1,202

1.1 A

Surface Mount

-40°C ~ 85°C

410 mΩ

0.290" L x 0.202" W (7.36mm x 5.12mm)

0.118" (3.00mm)

500 ms

Polymeric

33V

30R500UF

Littelfuse Inc.

1,200

From Bristol Electronics

Price on request

1,200

5 A

1.008" (25.60mm)

0.402" (10.20mm)

Through Hole

-40°C ~ 85°C

50 mΩ

0.551" L x 0.118" W (14.00mm x 3.00mm)

14.5 s

Polymeric

30V

MF-R090-0-9

Bourns

1,194

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	597	-	-
MW.FEP S.p.A.	597	-	-

Price on request

1,194

Distributor	Stock	MOQ	Country
Braun Electronic Components	597	-	-
MW.FEP S.p.A.	597	-	-

900 mA

0.480" (12.20mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

220 mΩ

0.291" L x 0.118" W (7.40mm x 3.00mm)

5.9 s

Polymeric

30V

MF-SM250-2

Bourns

1,190

From Bristol Electronics

Price on request

1,190

2.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

85 mΩ

0.344" L x 0.264" W (8.75mm x 6.71mm)

0.118" (3.00mm)

25 s

Polymeric

15V

1812L050PR

Littelfuse Inc.

1,164

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	170	-	-
Partservice	994	-	-

Price on request

1,164

Distributor	Stock	MOQ	Country
Bristol Electronics	170	-	-
Partservice	994	-	-

500 mA

Surface Mount

-40°C ~ 85°C

1 Ω

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.030" (0.75mm)

150 ms

Polymeric

15V

PTSLR06038V100

Eaton - Electronics Division

1,151

From Optech Co.,Limited

Price on request

1,151

1 A

Surface Mount

-40°C ~ 85°C

150 mΩ

0.071" L x 0.039" W (1.80mm x 1.00mm)

0.039" (1.00mm)

2 s

RXEF017-2

Littelfuse Inc.

1,141

From Braun Electronic Components

Price on request

1,141

170 mA

0.500" (12.70mm)

0.200" (5.08mm)

Through Hole

-40°C ~ 85°C

8 Ω

0.291" L x 0.118" W (7.40mm x 3.00mm)

3 s

Polymeric

60V

2920L500/16MR

Littelfuse Inc.

1,121

Across 5 distributors

Distributor	Stock	MOQ	Country
Fe Components	1,000	-	-
Braun Electronic Components	54	-	-
MW.FEP S.p.A.	6	-	-
Emiteli	54	-	-
Bristol Electronics	7	-	-

Price on request

1,121

Distributor	Stock	MOQ	Country
Fe Components	1,000	-	-
Braun Electronic Components	54	-	-
MW.FEP S.p.A.	6	-	-
Emiteli	54	-	-
Bristol Electronics	7	-	-

5 A

Surface Mount

-40°C ~ 85°C

25 mΩ

0.289" L x 0.202" W (7.35mm x 5.12mm)

0.063" (1.60mm)

5 s

Polymeric

16V

PFMF.110.16.2

Schurter Inc.

1,085

From Bristol Electronics

Price on request

1,085

1.1 A

Surface Mount

-40°C ~ 85°C

210 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.033" (0.85mm)

300 ms

Polymeric

16V

2920L250DR

Littelfuse Inc.

1,069

From Bristol Electronics

Price on request

1,069

2.5 A

Surface Mount

-40°C ~ 85°C

85 mΩ

0.289" L x 0.202" W (7.35mm x 5.12mm)

0.049" (1.25mm)

10 s

Polymeric

15V

1206L380SLTHYR

Littelfuse Inc.

1,060

From Bristol Electronics

Price on request

1,060

2.82 A

Surface Mount

-40°C ~ 85°C

14 mΩ

0.128" L x 0.065" W (3.25mm x 1.65mm)

0.028" (0.70mm)

5 s

Polymeric

MF-RX300/72-2

Bourns

1,000

From Bristol Electronics

Price on request

1,000

3 A

1.050" (26.67mm)

0.402" (10.20mm)

Through Hole

-40°C ~ 85°C

100 mΩ

0.814" L x 0.122" W (20.67mm x 3.10mm)

19.8 s

Polymeric

72V

MF-RX160-0-99

Bourns

1,000

From Bristol Electronics

Price on request

1,000

1.6 A

0.839" (21.30mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

220 mΩ

0.642" L x 0.122" W (16.30mm x 3.10mm)

11.4 s

Polymeric

60V

MF-R800

Bourns

1,000

Price on request

1,000

8 A

1.295" (32.90mm)

0.402" (10.20mm)

Through Hole

-40°C ~ 85°C

30 mΩ

0.953" L x 0.118" W (24.20mm x 3.00mm)

18.8 s

Polymeric

30V

1210L050/30WR

Littelfuse Inc.

1,000

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	500	-	-
MW.FEP S.p.A.	500	-	-

Price on request

1,000

Distributor	Stock	MOQ	Country
Braun Electronic Components	500	-	-
MW.FEP S.p.A.	500	-	-

500 mA

Surface Mount

-40°C ~ 85°C

900 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.049" (1.25mm)

150 ms

Polymeric

30V

250R120ZR

Littelfuse Inc.

1,000

From Bristol Electronics

Price on request

1,000

120 mA

0.433" (11.00mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

16 Ω

0.256" L x 0.181" W (6.50mm x 4.60mm)

2.5 s

Polymeric

60V (250V Int)

MF-RX014/250-0

Bourns

1,000

Price on request

1,000

145 mA

0.433" (11.00mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

14 Ω

0.256" L x 0.181" W (6.50mm x 4.60mm)

Polymeric

60V (250V Int)

MF-RG1100-2

Bourns

1,000

From Bristol Electronics

Price on request

1,000

11 A

1.024" (26.00mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

AEC-Q200

8.9 mΩ

0.689" L x 0.118" W (17.50mm x 3.00mm)

7 s

Polymeric

16V

TRF250-120US

Littelfuse Inc.

1,000

From Bristol Electronics

Price on request

1,000

120 mA

0.394" (10.00mm)

0.197" (5.00mm)

Through Hole

-40°C ~ 85°C

16 Ω

0.236" L x 0.150" W (6.00mm x 3.80mm)

2 s

Polymeric

60V (250V Int)

YQS8065

Amphenol Thermometrics

1,000

Price on request

1,000

168 mA

0.591" (15.00mm)

0.197" (5.00mm)

Through Hole

0°C ~ 55°C

20 Ω

0.374" Dia x 0.177" T (9.50mm x 4.50mm)

Ceramic

265V

RHEF600-2

Littelfuse Inc.

999

From Bristol Electronics

Price on request

999

6 A

0.827" (21.00mm)

0.199" (5.05mm)

Through Hole

-40°C ~ 125°C

32 mΩ

0.441" L x 0.122" W (11.20mm x 3.10mm)

5 s

Polymeric

16V

1812L050PRT

Littelfuse Inc.

975

From Bristol Electronics

Price on request

975

500 mA

Surface Mount

-40°C ~ 85°C

1 Ω

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.030" (0.75mm)

150 ms

Polymeric

15V

MINISMDC150F/24-2

Littelfuse Inc.

974

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	235	-	-
Optech Co.,Limited	739	-	-

Price on request

974

Distributor	Stock	MOQ	Country
Bristol Electronics	235	-	-
Optech Co.,Limited	739	-	-

1.5 A

Surface Mount

-40°C ~ 85°C

120 mΩ

0.181" L x 0.128" W (4.60mm x 3.24mm)

0.076" (1.94mm)

1.5 s

Polymeric

24V

MF-R250-AP-10

Bourns

950

From Bristol Electronics

Price on request

950

2.5 A

0.720" (18.30mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

70 mΩ

0.472" L x 0.118" W (12.00mm x 3.00mm)

10.3 s

Polymeric

30V

MF-RHT1100-2

Bourns

950

From Bristol Electronics

Price on request

950

11 A

1.028" (26.10mm)

0.402" (10.20mm)

Through Hole

-40°C ~ 125°C

AEC-Q200

13 mΩ

0.827" L x 0.118" W (21.00mm x 3.00mm)

11 s

Polymeric

16V

MF-MSMD020-2

Bourns

949

Price on request

949

200 mA

Surface Mount

-40°C ~ 85°C

6 Ω

0.179" L x 0.027" W (4.55mm x 0.68mm)

0.134" (3.41mm)

60 ms

Polymeric

30V

0ZCC0110FF2C

Bel Fuse

915

From Bristol Electronics

Price on request

915

1.1 A

Surface Mount

-40°C ~ 85°C

210 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.022" (0.55mm)

300 ms

Polymeric

NANOSMDC035F-2

Littelfuse Inc.

900

From Bristol Electronics

Price on request

900

350 mA

Surface Mount

-40°C ~ 85°C

1.35 Ω

0.126" L x 0.063" W (3.20mm x 1.59mm)

0.032" (0.82mm)

100 ms

Polymeric

16V

MF-RX135/72-2

Bourns

857

From Bristol Electronics

Price on request

857

1.35 A

0.718" (18.26mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

300 mΩ

0.483" L x 0.122" W (12.26mm x 3.10mm)

9.6 s

Polymeric

72V

PTCCL05H280HBE

Vishay BC Components

810

From Bristol Electronics

Price on request

810

28 mA

0.394" (10.00mm)

0.197" (5.00mm)

Through Hole

0°C ~ 70°C

500 Ω

0.197" Dia x 0.217" T (5.00mm x 5.50mm)

Ceramic

265V

RKEF160

Littelfuse Inc.

800

Price on request

800

1.6 A

0.720" (18.30mm)

0.200" (5.08mm)

Through Hole

-40°C ~ 85°C

320 mΩ

0.480" L x 0.150" W (12.20mm x 3.81mm)

9 s

Polymeric

60V

MINISMDC075F-2

Littelfuse Inc.

800

From Braun Electronic Components

Price on request

800

750 mA

Surface Mount

-40°C ~ 85°C

450 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.024" (0.62mm)

200 ms

Polymeric

13.2V

Showing 251-300 of 5,439 products

About PTC Resettable Fuses

PTC Resettable Fuses are crucial components in circuit protection, designed to safeguard electronic devices from overcurrent conditions. These fuses utilize polymeric materials that allow them to reset after a fault condition is cleared, making them ideal for applications where reliability and longevity are paramount.

When sourcing PTC Resettable Fuses, it is important to consider several critical specifications. Key attributes include current ratings, height, lead spacing, and mounting type. Understanding the operating temperature and resistance ratings is also essential for ensuring compatibility with your specific application requirements.

PTC Resettable Fuses find applications in various fields, including new product design and prototyping, production electronics assembly, and maintenance or field replacement. They are particularly useful in engineering evaluations and qualifications, as well as in procurement-driven multi-sourcing strategies.

To effectively compare options, prioritize parametric filtering based on critical specifications before brand preference. This approach helps mitigate sourcing risks and ensures that the selected components meet the necessary mechanical and electrical compatibility with existing designs.

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PTC Resettable Fuses

What are PTC Resettable Fuses ?

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About PTC Resettable Fuses

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PTC Resettable Fuses

What are PTC Resettable Fuses ?

About PTC Resettable Fuses

About Us

Information

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Store

Contact Us

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