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RKEF050

RKEF050

For Reference Only

Part Number RKEF050
PNEDA Part # RKEF050
Description PTC RESET FUSE 60V 500MA RADIAL
Manufacturer Littelfuse
Unit Price
1 ---------- $2.5092
250 ---------- $2.3916
500 ---------- $2.2739
1,000 ---------- $2.1563
2,500 ---------- $2.0583
5,000 ---------- $1.9603
In Stock 1,592
Warehouses Shipped from Hong Kong SAR
Estimated Delivery May 10 - May 15 (Choose Expedited Shipping)
Guarantee Up to 1 year [PNEDA-Warranty]*

RKEF050 Resources

Brand Littelfuse
ECAD Module ECAD
Mfr. Part NumberRKEF050
CategoryPowerCircuit ProtectionPTC Resettable Fuses
Datasheet
RKEF050, RKEF050 Datasheet (Total Pages: 7, Size: 681.86 KB)
PDFRKEF110K Datasheet Cover
RKEF110K Datasheet Page 2 RKEF110K Datasheet Page 3 RKEF110K Datasheet Page 4 RKEF110K Datasheet Page 5 RKEF110K Datasheet Page 6 RKEF110K Datasheet Page 7

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RKEF050 Specifications

ManufacturerLittelfuse Inc.
SeriesPolySwitch®, RKEF
TypePolymeric
Voltage - Max60V
Current - Max40A
Current - Hold (Ih) (Max)500mA
Current - Trip (It)1A
Time to Trip800ms
Resistance - Initial (Ri) (Min)320 mOhms
Resistance - Post Trip (R1) (Max)900 mOhms
Resistance - 25°C (Typ)-
Operating Temperature-40°C ~ 85°C
Ratings-
Mounting TypeThrough Hole
Package / CaseRadial, Disc
Size / Dimension0.280" L x 0.140" W (7.10mm x 3.56mm)
Height - Seated (Max)0.450" (11.43mm)
Thickness (Max)-
Lead Spacing0.199" (5.05mm)

The Products You May Be Interested In

Manufacturer

Bourns Inc.

Series

Multifuse®, MF-RX/250

Type

Polymeric

Voltage - Max

60V (250V Int)

Current - Max

3A

Current - Hold (Ih) (Max)

120mA

Current - Trip (It)

-

Time to Trip

-

Resistance - Initial (Ri) (Min)

4 Ohms

Resistance - Post Trip (R1) (Max)

16 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

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

Height - Seated (Max)

0.433" (11.00mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

VLP220F

Littelfuse

Manufacturer

Littelfuse Inc.

Series

PolySwitch®, VLP

Type

Polymeric

Voltage - Max

16V

Current - Max

60A

Current - Hold (Ih) (Max)

2.2A

Current - Trip (It)

5.3A

Time to Trip

5s

Resistance - Initial (Ri) (Min)

17 mOhms

Resistance - Post Trip (R1) (Max)

58 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

User Defined

Package / Case

Strap

Size / Dimension

0.874" L x 0.146" W (22.20mm x 3.70mm)

Height - Seated (Max)

-

Thickness (Max)

0.032" (0.80mm)

Lead Spacing

-

Manufacturer

Bourns Inc.

Series

Multifuse®, MF-MSMF

Type

Polymeric

Voltage - Max

60V

Current - Max

40A

Current - Hold (Ih) (Max)

200mA

Current - Trip (It)

400mA

Time to Trip

150ms

Resistance - Initial (Ri) (Min)

400 mOhms

Resistance - Post Trip (R1) (Max)

6 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

AEC-Q200

Mounting Type

Surface Mount

Package / Case

1812 (4532 Metric), Concave

Size / Dimension

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

Height - Seated (Max)

-

Thickness (Max)

0.043" (1.10mm)

Lead Spacing

-

PTGL4SAS220K4N51A0

Murata Electronics

Manufacturer

Murata Electronics

Series

POSISTOR®, PTGL

Type

Ceramic

Voltage - Max

60V

Current - Max

1A

Current - Hold (Ih) (Max)

112mA

Current - Trip (It)

149mA

Time to Trip

-

Resistance - Initial (Ri) (Min)

-

Resistance - Post Trip (R1) (Max)

-

Resistance - 25°C (Typ)

22 Ohms

Operating Temperature

-30°C ~ 125°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.177" Dia x 0.138" T (4.50mm x 3.50mm)

Height - Seated (Max)

0.374" (9.50mm)

Thickness (Max)

-

Lead Spacing

0.197" (5.00mm)

1812L020/60DR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 1812L

Type

Polymeric

Voltage - Max

60V

Current - Max

40A

Current - Hold (Ih) (Max)

200mA

Current - Trip (It)

400mA

Time to Trip

2s

Resistance - Initial (Ri) (Min)

1.4 Ohms

Resistance - Post Trip (R1) (Max)

4.4 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Surface Mount

Package / Case

1812 (4532 Metric), Concave

Size / Dimension

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

Height - Seated (Max)

-

Thickness (Max)

0.049" (1.25mm)

Lead Spacing

-

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