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.
RTEF190 Tyco Electronics
Same model may have multiple batches, images only for reference.

RTEF190

Part No RTEF190
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PTC RESET FUSE 33V 1.9A RADIAL
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Circuit Protection - PTC Resettable Fuses
Mfr Littelfuse Inc.
Series PolySwitch®
Package Bag
Product Status Obsolete
Type Polymeric
Voltage - Max 33V
Current - Hold (Ih) (Max) 1.9 A
Current - Trip (It) 3 A
Current - Max 40 A
Time to Trip 3.5 s
Resistance - Initial (Ri) (Min) 45 mOhms
Resistance - Post Trip (R1) (Max) 92 mOhms
Mounting Type Through Hole
Package / Case Radial, Disc
Size / Dimension 0.350" L x 0.118" W (8.90mm x 3.00mm)
Height - Seated (Max) 0.532" (13.50mm)
Lead Spacing 0.199" (5.05mm)
Approval Agency CSA, TUV, UL
Standard Package 500 pcs
MSL Level Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.40.8070
Win Source Part Number 661740-RTEF190
Ultra Librarian 3D Model Ultra Librarian RTEF190 CAD Model

Description

The 661740-RTEF190 is a PolySwitch® PTC Resettable Fuse from Littelfuse Inc.

  • Material: Polymeric material
  • Voltage Rating: 33V (max)
  • Current Rating: 40A (max)
  • Hold Current: 1.9A
  • Trip Current: 3A
  • Time to Trip: 3.5 seconds
  • Package Type: Radial, disc
  • Mounting: Through hole
  • Size Dimensions: 0.350" L x 0.118" W (8.90mm x 3.00mm)
  • Seated Height: 0.532" (13.50mm)
  • Series: PolySwitch®
  • Standard Package: 500 pieces
  • Product Status: Obsolete
  • Approvals: CSA, TUV, and UL

You May Also Be Interested in

B59101P1120A062 EPCOS (TDK) – Price, Stock & Datasheet
B59101P1120A062
EPCOS (TDK)
Ceramic PTC Resettable Fuse 24V 355 mA Ih Surface Mount 2-SMD
Need more? Email Us
Picture of PSR-27561
PSR-27561
Littelfuse Inc.
PTC RESET FUSE LOWRHO STRAP / PTC Resettable Fuse Ih
Need more? Email Us
Picture of MXP370
MXP370
Littelfuse Inc.
PTC RESET FUSE LOWRHO STRAP / PTC Resettable Fuse Ih
Need more? Email Us
0805L020/24YR Littelfuse Inc. – Price, Stock & Datasheet
0805L020/24YR
Littelfuse Inc.
Polymeric PTC Resettable Fuse 24V 200 mA Ih Surface Mount 0805 (2012 Metric), Concave
Need more? Email Us
PTS12066V110 Eaton - Electronics Division
PTS12066V110
Eaton / Cutler Hammer
PTC RESET FUSE 6V 1.1A 1206
Lowest to $0.3130
PTS18126V300Eaton - Electronics Division
PTS18126V300
Eaton / Cutler Hammer
PTC RESET FUSE 6V 3A 1812
Need more? Email Us
TS250-130F-B-0.5-2 Real Image
TS250-130F-B-0.5-2
Littelfuse Inc.
PPTC-TLINE-PSW
Need more? Email Us
PTS120616V025 Real Image
PTS120616V025
Eaton Bussmann
PTC RESET FUSE 16V 250MA 1206
Lowest to $0.0681
NANOSMD175LR-E TE Connectivity
NANOSMD175LR-E
Littelfuse Inc.
PTC RESET FUSE 6V 1.75A 1206 / PTC Resettable Fuse Ih
Need more? Email Us

Top Sellers

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
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
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
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.3800
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
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
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
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