Site Settings

Warehouses
Language settings
Currency settings
Parametric Search
Datasheet Index
Login
Products
Products
Ask a Question View FAQs
Power
RF
Transformers
EMI
Design Support Tools
Use our suite of tools to help select, analyze and compare inductors
See all tools
Parametric Search
View our list of inductors and filter results based on your exact parameters
Explore
Datasheets
Looking for a datasheet? Search by product and download a PDF
See the list
Design Tools
Applications
Applications
Ask a Question View FAQs
Resources
Resources
Ask a Question View FAQs
Product Documentation
Handling & Processing
Models & Layout Tools
Education
General
Video Library
Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors
FREE Samples
Get free samples quickly - most orders ship the same day!
Order Now
Datasheets
Looking for a datasheet? Search by product and download a PDF.
See the list
Student Support
Learn more about magnetics, request free samples or ask our engineers a question.
Get Support
Quality
Quality
Ask a Question View FAQs
Quality Certification
Material Certification
Safety Certification
Reliability
Handling / Processing
About
About
Ask a Question View FAQs
About
Careers
Locations
Resources
Careers
Contact
Price & Availability
Coilcraft CPS
Close up of SD250-4L
Datasheet 3D Models

SD250-4L

RoHS compliant

For more information and specification about the part.

Go to series
Buy Now:
Count Unit price
1 $13.66
50 $11.70
100 $10.17
250 $8.85
500 $7.69
1000 $6.69
2500 $5.74

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
Request a Sample:
Designer's Kit:
Kit Values Price
P404 4 styles (2 of each) $50.00

Specifications

Electrical specifications at 25°C.

Part number
(Hover for schematics)
Inductance
min (mH) 1 		DCR max (Ω) 2 Leakage
Inductance
max (µH) 		Turns Ratio Capacitance
max (pF) 		Volt-time
product (V-µs) 		Frequency (kHz) Isolation
Voltage (Vrms) 3
Pri Sec1 Sec2 Pri : Sec1 : Sec2
SD250-4L 1.5 0.40 0.75 2.50 4.0 1 : 1.5 : 1.5 50 375 10 — 250 3750
Notes
  1. Measured at 1 Vrms, 15.75 kHz.
  2. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  3. 3750 Vrms, one minute isolation (hipot) between primary and secondary windings.
    1500 Vrms, one minute between secondaries.

Termination:

  • RoHS-compliant. Tin-silver over tin over copper terminations.
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
−40°C to +85°C
Storage temperature range:
Component: −40°C to +85°C
Packaging trays: −40°C to +80°C
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
See FIT/MTBF Calculations

Schematics

pwrbases.gif

Physical characteristics

pwrbased.gif

General specification

Weight:
15.6 – 16.8 g
Packaging:
64 per tray

Related products

SD250-1L

Transformer, base/gate, RoHS

SD250-2L

Transformer, base/gate, RoHS

SD250-3L

Transformer, base/gate, RoHS