EN
  • EN
  • DE

RKEF250

Part No RKEF250
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PTC RESET FUSE 60V 2.5A RADIAL
Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Circuit Protection - PTC Resettable Fuses
Mfr Littelfuse Inc.
Series PolySwitch®, RKEF
Package Bag
Product Status Active
Type Polymeric
Voltage - Max 60V
Current - Hold (Ih) (Max) 2.5 A
Current - Trip (It) 5 A
Current - Max 40 A
Time to Trip 15.6 s
Resistance - Initial (Ri) (Min) 40 mOhms
Resistance - Post Trip (R1) (Max) 140 mOhms
Temperature Range - Operating -40°C ~ 85°C
Mounting Type Through Hole
Package / Case Radial, Disc
Size / Dimension 0.512" L x 0.150" W (13.00mm x 3.81mm)
Height - Seated (Max) 0.740" (18.80mm)
Lead Spacing 0.200" (5.08mm)
Approval Agency CSA, TUV, UL
Standard Package 500 pcs
MSL Level 1 (Unlimited)
ECCN EAR99
HTSUS 8533.40.8070
California Prop 65 Warning Information
Win Source Part Number 660481-RKEF250
Ultra Librarian 3D Model Ultra Librarian RKEF250 CAD Model

Description

The 660481-RKEF250 is a Polymeric PTC Resettable Fuse from Littelfuse Inc.

  • Type: circuit protection device
  • Application: protect electronic circuits from overcurrent conditions
  • Voltage Rating: 60V
  • Current Rating: 40A
  • Hold Current (Ih): 2.5A
  • Trip Current (It): 5A
  • Time to Trip: 15.6 seconds
  • Mounting: through-hole mounting
  • Package: radial, disc package
  • Temperature Range: -40°C to 85°C
  • Initial Resistance (Ri): 40 mOhms
  • Post-Trip Resistance (R1): 140 mOhms
  • Approvals: CSA, TUV, and UL
  • Status: active
  • REACH: unaffected

You May Also Be Interested in

Bel Fuse Inc.
PTC RESET FUSE 16V 3A RADIAL
Need more? Email Us
EPCOS (TDK)
PTC RESET FUSE 80V 250MA RADIAL
Need more? Email Us
Littelfuse Inc.
PTC RESET FUSE 16V 3A RADIAL
Need more? Email Us
Bel Fuse Inc.
PTC RESET FUSE 16V 3A RADIAL
Need more? Email Us
Littelfuse Inc.
PTC RESET FUSE 16V 4.5A RADIAL
Need more? Email Us
Polytronics Technology Corp
Polymeric PTC Resettable Fuse 15V 100mA Surface Mount 0805
Lowest to $0.0612
Bourns Inc.
FUSE RESET PPTC 1206 0.50A/16V
Need more? Email Us
RFE/Fuzetec
RESETTABLE FUSE - PPTC RADIAL LE
Lowest to $5.1557
Bourns Inc.
2920 RESETTABLE SMD PPTC 2.0A/15
Lowest to $1.0216

Top Sellers

Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.4647
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1049
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $4.9895
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.9399
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2376
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.5820
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752

Pricing & Ordering

Quantity Unit Price Ext. Price
105+ $0.4951 $51.9855
250+ $0.4063 $101.5750
385+ $0.3936 $151.5360
530+ $0.3809 $201.8770
680+ $0.3682 $250.3760
910+ $0.3301 $300.3910
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 6,000 pieces
MOQ: 105 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?

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
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess