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.
TRF250-145-B-0.5
Same model may have multiple batches, images only for reference.

TRF250-145-B-0.5

Part No TRF250-145-B-0.5
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PTC RESET FUSE 60V 145MA RADIAL
Datasheet
TRF250-145-B-0.5 Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Circuit Protection - PTC Resettable Fuses
Mfr Littelfuse Inc.
Series PolySwitch®, TRF250
Package Bag
Product Status Active
Type Polymeric
Voltage - Max 60V (250V Int)
Current - Hold (Ih) (Max) 145 mA
Current - Trip (It) 290 mA
Current - Max 3 A
Time to Trip 5 s
Resistance - Initial (Ri) (Min) 3 Ohms
Resistance - Post Trip (R1) (Max) 14 Ohms
Temperature Range - Operating -40°C ~ 85°C
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)
Lead Spacing 0.197" (5.00mm)
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 901114-TRF250-145-B-0.5
Ultra Librarian 3D Model Ultra Librarian TRF250-145-B-0.5 CAD Model

Description

The 901114-TRF250-145-B-0.5 is a PTC resettable fuse from the PolySwitch® TRF250 series.

  • Type: Polymeric
  • Designed for: Circuit protection
  • Maximum Voltage Rating: 60V (250V Int)
  • Maximum Current Rating: 3A
  • Hold Current: 145mA
  • Trip Current: 290mA
  • Time to Trip: 5 seconds
  • Mounting: Through hole
  • Package: Radial, disc
  • Operating Temperature Range: -40°C to 85°C
  • Initial Resistance: 3 ohms
  • Post-Trip Resistance: 14 ohms
  • Status: Active
  • Manufacturer: Littelfuse Inc.
  • Approvals: CSA, TUV, and UL

You May Also Be Interested in

1206L005/30WR Littelfuse Inc. – Price, Stock & Datasheet
1206L005/30WR
Littelfuse Inc.
PTC RESET FUSE 60V 50MA 1206
Lowest to $0.5239
RGEF300K Littelfuse Inc. – Price, Stock & Datasheet
RGEF300K
Littelfuse Inc.
PTC RESET FUSE 16V 3A RADIAL
Need more? Email Us
Picture of B59960C0130A070
B59960C0130A070
EPCOS (TDK)
PTC RESET FUSE 80V 250MA RADIAL
Need more? Email Us
FSMD001-0603-R Fuzetec – Price, Stock & Datasheet
FSMD001-0603-R
Fuzetec
Polymeric PTC Resettable Fuse 60V 10mA Surface Mount 0603
Lowest to $0.0539
0ZCM0008FF2G Bel Fuse Inc. – Price, Stock & Datasheet
0ZCM0008FF2G
Bel Fuse Inc.
PTC RESET FUSE 15V 80MA 0603
Lowest to $0.1747
0ZCF0110AF2A Bel Fuse Inc. – Price, Stock & Datasheet
0ZCF0110AF2A
Bel Fuse Inc.
PTC RESET FUSE 60V 1.1A 2920
Lowest to $0.6403
SL0805300 TECHFUSE – Price, Stock & Datasheet
SL0805300
TECHFUSE
Polymeric PTC Resettable Fuse 6V 3A Surface Mount 0805
Lowest to $0.0941
Picture of RXEF250K
RXEF250K
Littelfuse Inc.
PTC RESET FUSE 72V 2.5A 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

LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0214
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
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 $2.6071
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 $0.4985
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

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