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  1. Home
  2. /Products
  3. /Discrete Semiconductors
  4. /Transistors
  5. /IRFB4321
IRFB4321 thumbnail 1
Infineon

IRFB4321

Category
Transistors
Manufacturer
InfineonDetails
RoHS Status
Datasheet
Description
IRFB4321 is a N-channel power MOSFETs with VDS max: 150 V, RDS (on) max: 15 mOhm, Package: TO-220, Technology: IR MOSFET™, ID max: 85 A
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status6290
QuantityIRFB4321
Country

Get Tiered Pricing (Submit RFQ)

Specification
Product Details
Key Features
Documentation
TypeDescriptionTypeDescription
Budgetary Price €/1k1.19ID (@25°C) max85 A
MountingTHTOperating Temperature range-55 °C to 175 °C
PackageTO-220PolarityN
Ptot max330 WQgd21 nC
QG (typ @10V)71 nCRDS (on) (@10V) max15 mΩ
RthJC max0.45 K/WTj max175 °C
VDS max150 VVGS(th) range3 V to 5 V
VGS(th)4 VVGS max30 V
Product StatusactiveInfineon PackageTO220
Package NameTO220Packing Size1000
Certified Quality & Compliance
Purchase & Inquiry
Secure Packaging
Shipping & Availability
Payment

YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
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Product FAQ
Purchasing FAQ

What type of component is IRFB4321, and what package does it use?

IRFB4321 is an authentic electronic component manufactured by Infineon, categorized under Transistors. It is supplied in the standard TO-220 package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official IRFB4321 datasheet above.

Why is pricing for IRFB4321 available via RFQ rather than a fixed checkout price?

Electronic component spot-market pricing for IRFB4321 fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

How quickly can IRFB4321 be shipped once quoted?

Lead times for IRFB4321 depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

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