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 Real Image
Same model may have multiple batches, images only for reference.

TRF250-145

Part No TRF250-145
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PolySwitch Resettable Devices Telecommunications & Networking Devices | PTC RESET FUSE 60V 145MA RADIAL
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Circuit Protection
Manufacturer Littelfuse Inc.
Packaging Bulk
Type Polymeric
Voltage - Max 60V (250V Int)
Current - Max 3A
Current - Hold (Ih) (Maximum) 145mA
Current - Trip (It) 290mA
Time to Trip 5s
Resistance - Initial (Ri) (Minimum) 3 Ohms
Resistance - Post Trip (R1) (Maximum) 14 Ohms
Temperature Range - Operating -40°C ~ 85°C
Mounting Style Through Hole
Manufacturer Package Radial, Disc
Parts Dimension 0.256" L x 0.181" W (6.50mm x 4.60mm)
Height - Seated (Maximum) 0.433" (11.00mm)
Lead Spacing 0.197"
Approvals CSA, TUV, UL
Manufacturer Pack Quantity 500
MSL Level 1 (Unlimited)
Win Source Part Number 1273888-TRF250-145
Manufacturer Homepage www.macom.com
Popularity Medium
Supply and Demand Status Sufficient
Ultra Librarian 3D Model Ultra Librarian TRF250-145 CAD Model

Description

The Littelfuse Inc. TRF250-145 is a polymeric through-hole circuit protection fuse with a maximum voltage of 60V (250V Int) and a maximum current of 3A.

  • Current Trip: 290mA
  • Time to Trip: 5s
  • Approvals: CSA, TUV, and UL
  • Lead Spacing: 0.197"
  • Height: 0.433" (11.00mm)
  • Packaging: Bulk
  • Initial Resistance: 3 Ohms
  • Post-Trip Resistance: 14 Ohms
  • Supply and Demand: Sufficient
  • MSL Level: 1 (Unlimited)
  • Breaking Capacity @ Rated Voltage: 35A

You May Also Be Interested in

B59975C0120A070 EPCOS - TDK Electronics
B59975C0120A070
EPCOS (TDK)
PTC RESET FUSE 30V 450MA RADIAL
Lowest to $0.7277
0ZCH0075FF2G Bel Fuse Inc.
0ZCH0075FF2G
Bel Fuse Inc.
PTC RESET FUSE 8V 750MA 1210
Need more? Email Us
72R075XPR Littelfuse Inc.
72R075XPR
Littelfuse Inc.
PTC RESET FUSE 72V 750MA RADIAL
Lowest to $0.7697
PTS120660V005 Eaton - Electronics Division
PTS120660V005
Eaton / Cutler Hammer
PTC RESET FUSE 60V 50MA 1206
Lowest to $0.1343
NANOSMD175LR-E TE Connectivity
NANOSMD175LR-E
Littelfuse Inc.
PTC RESET FUSE 6V 1.75A 1206 / PTC Resettable Fuse Ih
Need more? Email Us
Picture of PSR-28669II-2
PSR-28669II-2
Littelfuse Inc.
PTC RESET FUSE LOWRHO STRAP / PTC Resettable Fuse Ih
Need more? Email Us
Picture of FSMD110-16-1206R
FSMD110-16-1206R
RFE/Fuzetec
PTC Resettable Fuse 16V 1.1 A Ih Surface Mount 1206 (3216 Metric), Concave
Lowest to $0.0830
TRF250-120US-2 Littelfuse Inc.
TRF250-120US-2
Littelfuse Inc.
PTC RESET FUSE 60V 120MA RADIAL
Need more? Email Us
PTGL12AS0R8K2B51B0 Real Image
PTGL12AS0R8K2B51B0
Murata Electronics North America
PTC RESET FUSE 30V 867MA RADIAL
Lowest to $1.7042

Top Sellers

ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $9.9790
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.2767
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
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
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2376
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.6527
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354

Pricing & Ordering

Quantity Unit Price Ext. Price
1,855+ $0.0312 $57.8760
4,550+ $0.0254 $115.5700
7,145+ $0.0243 $173.6235
9,525+ $0.0243 $231.4575
12,500+ $0.0231 $288.7500
16,670+ $0.0208 $346.7360
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 60,000 pieces
MOQ: 1855 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