EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
RKEF500-1 Real Image
Same model may have multiple batches, images only for reference.

RKEF500-1

Part No RKEF500-1
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description POLYSWITCH PTC RESET 5A / Poly Switch PTC, Overcurrent Protection Device
Datasheet
RKEF500-1 Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Circuit Protection
Manufacturer Littelfuse Inc.
Series PolySwitch, RKEF
Packaging Bulk
Type Polymeric
Voltage - Max 60V
Current - Max 40A
Current - Hold (Ih) (Maximum) 5A
Current - Trip (It) 10A
Time to Trip 28s
Resistance - Initial (Ri) (Minimum) 12 mOhm
Resistance - Post Trip (R1) (Maximum) 50 mOhm
Operating Temperature Range -40°C ~ 85°C
Mounting Style Through Hole
Package Radial, Disc
Dimension 0.949" L x 0.118" W (24.10mm x 3.00mm)
Height - Seated (Maximum) 1.142" (29.00mm)
Lead Spacing 0.199" (5.05mm)
Approvals CSA, TUV, UL
Win Source Part Number 793249-RKEF500-1
Popularity Medium
Supply and Demand Status Limited
ECCN EAR99
Country of Origin China
Halogen Free Compliant
Ultra Librarian 3D Model Ultra Librarian RKEF500-1 CAD Model

Description

The RKEF500-1 is a PolySwitch RKEF series polymeric circuit protection product manufactured by Littelfuse Inc.

  • Mounting Style: Through-hole
  • Packaging: Radial disc
  • Maximum Voltage: 60V
  • Maximum Current: 40A
  • Current Trip: 10A
  • Time to Trip: 28s
  • Approvals: CSA, TUV, UL
  • Lead Spacing: 0.199" (5.05mm)
  • Dimension: 0.949" L x 0.118" W (24.10mm x 3.00mm)
  • Current Hold: 5A
  • Maximum Resistance: 50 mOhm
  • Height: 1.142" (29.00mm)
  • Halogen-Free Compliant: Yes
  • Supply and Demand Status: Limited

You May Also Be Interested in

1812L300/24SLER Littelfuse Inc. – Price, Stock & Datasheet
1812L300/24SLER
Littelfuse Inc.
PTC RESET FUSE 3.0A 24V 1812
Lowest to $1.6128
MF-RHT1300-2 Bourns Inc. – Price, Stock & Datasheet
MF-RHT1300-2
Bourns Inc.
PTC RESET FUSE 16V 13A RADIAL
Need more? Email Us
CMF-SDP07-2 Bourns Inc. – Price, Stock & Datasheet
CMF-SDP07-2
Bourns Inc.
PTC RESET FUSE 230V 80MA 4SMD
Need more? Email Us
0ZRA0300FF2D Bel Fuse Inc. – Price, Stock & Datasheet
0ZRA0300FF2D
Bel Fuse Inc.
PTC RESET FUSE 16V 3A RADIAL
Need more? Email Us
MF-LSMF200X-2 Bourns Inc. – Price, Stock & Datasheet
MF-LSMF200X-2
Bourns Inc.
2920 RESETTABLE SMD PPTC 2.0A/15
Lowest to $1.0216
0ZCM0008FF2G Bel Fuse Inc. – Price, Stock & Datasheet
0ZCM0008FF2G
Bel Fuse Inc.
PTC RESET FUSE 15V 80MA 0603
Lowest to $0.1747
0ZCK0010FF2G Bel Fuse Inc. – Price, Stock & Datasheet
0ZCK0010FF2G
Bel Fuse Inc.
PTC RESET FUSE 15V 100MA 0805
Lowest to $0.2529
MF-RHT1300-2 Bourns Inc. – Price, Stock & Datasheet
MF-RHT1300-2
Bourns Inc.
PTC RESET FUSE 16V 13A RADIAL
Need more? Email Us
AHRF450 Littelfuse Inc. – Price, Stock & Datasheet
AHRF450
Littelfuse Inc.
PTC RESET FUSE 16V 4.5A RADIAL
Need more? Email Us

Top Sellers

FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.7805
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.9399
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.5279
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $5.8647
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.9399
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.2767
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1127
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6155
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.8211
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.3444

Pricing & Ordering

Quantity Unit Price Ext. Price
60+ $0.9997 $59.9820
145+ $0.8203 $118.9435
220+ $0.7946 $174.8120
305+ $0.7690 $234.5450
390+ $0.7434 $289.9260
520+ $0.6664 $346.5280
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 10,094 pieces
MOQ: 60 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess