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.
B65857A0400E038 EPCOS (TDK) – Price, Stock & Datasheet
Same model may have multiple batches, images only for reference.

B65857A0400E038

Part No B65857A0400E038
Manufacturer EPCOS (TDK)
Catalog Ferrite Cores
Description Uncoated T38 Ferrite Core EPX Type 0.370" (9.40mm) Length 0.354" (9.00mm) Width Diameter 0.148" (3.75mm) Height
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Manufacturer EPCOS - TDK Electronics
Series EPX7/9
Packaging Box
Core Type EPX
Supplier Device Package EPX 7 x 9
Material T38
Inductance Factor (Al) 400 nH
Tolerance ±7%
Gap Gapped
Effective Permeability (µe) 291.0
Initial Permeability (µi) 2300
Core Factor (ΣI/A) mm⁻¹ 0.91
Effective Length (le) mm 15.7
Effective Area (Ae) mm2 17.2
Minimum Core Cross Section (Amin) mm2 13.9
Effective Magnetic Volume (Ve) mm3 270.0
Finish Uncoated
Height 0.148" (3.75mm)
Length 0.370" (9.40mm)
Width 0.354" (9.00mm)
RoHS Status ROHS3 Compliant
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.90.9630
Win Source Part Number 1490265-B65857A0400E038
Ultra Librarian 3D Model Ultra Librarian B65857A0400E038 CAD Model

You May Also Be Interested in

Picture of B66389G1000X187
B66389G1000X187
EPCOS (TDK)
Uncoated N87 Ferrite Core E Type 1.417" (36.00mm) Length 0.453" (11.50mm) Width Diameter 0.709" (18.00mm) Height
Need more? Email Us
B66387G1500X127 EPCOS (TDK) – Price, Stock & Datasheet
B66387G1500X127
EPCOS (TDK)
Uncoated N27 Ferrite Core E Type 2.559" (65.00mm) Length 1.079" (27.40mm) Width Diameter 1.291" (32.80mm) Height
Need more? Email Us
Picture of PM50/39-3C90
PM50/39-3C90
Ferroxcube
Uncoated 3C90 Ferrite Core PM Type Length Width Diameter 0.768" (19.50mm) Height
Need more? Email Us
B66329G1500X187 EPCOS (TDK) – Price, Stock & Datasheet
B66329G1500X187
EPCOS (TDK)
Uncoated N87 Ferrite Core E Type 1.654" (42.00mm) Length 0.787" (20.00mm) Width Diameter 0.835" (21.20mm) Height
Lowest to $0.5454
B66329G1000X187 EPCOS (TDK) – Price, Stock & Datasheet
B66329G1000X187
EPCOS (TDK)
Uncoated N87 Ferrite Core E Type 1.654" (42.00mm) Length 0.787" (20.00mm) Width Diameter 0.835" (21.20mm) Height
Need more? Email Us
9478104002 FAIR-RITE PRODUCTS – Price, Stock & Datasheet
9478104002
FAIR-RITE PRODUCTS
FERRITE CORE E 78 SET
Need more? Email Us
B66389G1000X127 EPCOS (TDK) – Price, Stock & Datasheet
B66389G1000X127
EPCOS (TDK)
Uncoated N27 Ferrite Core E Type 1.417" (36.00mm) Length 0.453" (11.50mm) Width Diameter 0.709" (18.00mm) Height
Need more? Email Us
Picture of B66387G2000X127
B66387G2000X127
EPCOS (TDK)
Uncoated N27 Ferrite Core E Type 2.559" (65.00mm) Length 1.079" (27.40mm) Width Diameter 1.291" (32.80mm) Height
Need more? Email Us
B66229G1000X127 EPCOS (TDK) – Price, Stock & Datasheet
B66229G1000X127
EPCOS (TDK)
Uncoated N27 Ferrite Core E Type 1.260" (32.00mm) Length 0.374" (9.50mm) Width Diameter 0.646" (16.40mm) Height
Need more? Email Us

Top Sellers

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-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
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
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $7.1279
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
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 $0.1046
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