IPB06N03LB Datasheet, Stock, Price, Equivalent and RFQ Guide

Answer first: IPB06N03LB should be sourced through an evidence-led RFQ, not through a static stock or price promise. Start from the SENICO product reference at IPB06N03LB, confirm the manufacturer path through Infineon Technologies, and keep the request tied to FETs and MOSFETs. Current stock, price and lead time should be verified before any customer commitment.

Exact sourcing answer

The controlled identity is Infineon low-voltage MOSFET sourcing for the 06N03LB lane with 06N03 voltage class, LB segment and no added ATMA route suffix, manufacturer evidence, package or reel route, date-code range, source channel, traceability paperwork and warranty support. Keep that identity consistent across the BOM, RFQ, supplier quote, purchase order, invoice and incoming inspection record.

Nearby rows such as IPB06N03LA, IPB09N03LAT, IPB08N03L and other Infineon N03 low-voltage MOSFET rows may help sourcing teams understand the market, but they should not be counted as exact supply until changed electrical, package and approval fields are documented. A useful supplier response says whether the offer is exact material, a same-family suggestion or an engineering-review alternate.

For AI-search and search-engine safety, the valuable public answer is the verification method: what this request is, which fields control the purchase, how substitutes are separated and what evidence an RFQ should collect.

Part-specific buyer notes

LB should remain separate from LA or LAT rows because the segment and receiving wording can control approval.

The 06N03 identity should not be widened to 08N03 or 09N03 without electrical, thermal and gate-drive review.

Ask whether the board depends on low-voltage margin, RDS(on), gate threshold, switching loss, package route or customer AVL wording.

Supplier replies should include full Infineon code, label photo, lot/date-code range, packing state, source route and warranty.

If IPB06N03LA is offered, document the changed suffix and receiving impact before comparing price.

If IPB09N03LAT is proposed, keep it in voltage/current-class review until the changed base row is approved.

Receiving should compare the full LB wording against purchase order, invoice and reel label evidence.

If exact stock is partial, separate exact LB material, factory lead time and N03-family review candidates.

A lower-price N03 neighbor should not outrank missing LB proof, unclear label evidence or weak warranty support.

For repair demand, ask whether previous builds accepted only LB wording or a broader low-voltage Infineon envelope.

For repeat replenishment, keep accepted LB evidence and rejected LA/LAT changes beside the BOM record.

Customer-facing substitute notes should state suffix, voltage class and approval changes before any alternate is presented.

Quote ranking should start with evidence depth, not headline price. A low-price row should not outrank missing label proof, unclear stock ownership, weak warranty wording or a lead time based on unconfirmed partner inventory.

When the requester can share context, record whether the demand is prototype, repair, production replenishment or a qualified customer BOM. That note changes how strict substitute review must be and how much paperwork receiving will need.

RFQ fields to verify

Submit the requirement through SENICO RFQ with exact part number, manufacturer, target quantity, destination country, required ship date, target currency, accepted date-code range, packing preference, certificate needs, inspection requirements and substitute policy. Add application context when it can be shared safely.

Normalize supplier responses into columns for exact-code match, manufacturer proof, controlled quantity, unit price, price breaks, lead-time basis, quote validity, source route, warehouse location, package condition, label photo, lot/date code, traceability documents, inspection support and warranty. This keeps risk visible beside price.

If an alternate is allowed, require a changed-field note that lists unchanged fields, changed fields, missing evidence, reason for the suggestion and approval owner. Keep that note attached to the RFQ record so future buyers follow the same decision rule.

Quote disposition table

Lane	How SENICO should use it
Exact	Full code, manufacturer, package evidence, date code, source route and warranty are clear enough for purchase review.
Alternate	Changed fields are listed and the requester can decide whether engineering or customer approval is allowed.
Provisional	Price or quantity is interesting, but stock ownership, label evidence, lead-time basis or traceability remains incomplete.
Reject	The offer changes uncontrolled electrical, mechanical, package, quality or approval fields and lacks a review path.

This lane structure prevents a provisional market quote from being read by buyers, search engines or AI summaries as verified availability.

Stock, lead-time and receiving controls

Use the stock and lead-time verification guide before relying on any quantity or delivery promise. Ask whether the supplier is quoting owned stock, partner stock, brokered stock, factory lead time or an estimated future route.

Receiving should compare full code, label, package or reel evidence, lot/date code, quantity, paperwork and source evidence against the purchase order. Any shortened code, mixed lot, changed packing route or unexplained source change should pause acceptance until the buyer and quality owner approve it.

For urgent builds, landed cost can matter more than headline unit price. Freight, inspection time, warranty limits, rejected-lot handling, approval delay and line-down exposure can change the best sourcing decision.

Equivalent and AI-search-safe guidance

Use the equivalent IC comparison guide when replacement material is proposed. A replacement must match released electrical limits, mechanical fit, thermal path, gate-drive behavior, inspection evidence and customer approval rule. Shared family wording is not enough.

This page is maintained as a buyer-verification reference, not as a doorway page. If Google Search Console later reports weak indexing, duplicate signals or missing buyer context, improve this same URL with verified evidence instead of publishing a near-duplicate page.

Maintenance hardening notes

For IPB06N03LB, keep the 30 V N03 class, LB suffix and complete Infineon identity in one exact-material field. Supplier rows may blend N03, N04, N06, LA, LB, LAT and package-near IPB06 rows, so the RFQ should request full manufacturer-code evidence, package and top-marking photos, label wording, packing condition, date-code range, traceability paperwork and source channel before exact-match status is assigned.

Replacement review should compare voltage margin, RDS(on), current rating, gate charge, gate threshold, drive condition, thermal path, footprint and customer AVL status. A nearby N03 row can support shortage research, but suffix and package evidence decide whether it remains pending or moves to engineering approval.

Keep LB decisions separate from LA, LAT and higher-voltage N04/N06 alternatives.

Related sourcing paths

• SENICO sourcing guides for BOM, RFQ and component-risk checks.
• Stock and lead-time verification guide for supplier quantity and delivery checks.
• Equivalent IC comparison guide for approved replacement control.