IPB14N03LAG Datasheet, Stock, Price, Equivalent and RFQ Guide
Answer first: IPB14N03LAG should be sourced through an evidence-led RFQ, not through a static stock or price promise. Start from the SENICO product reference at IPB14N03LAG, confirm the manufacturer path through Infineon Technologies and keep the request tied to FETs / MOSFETs. Current stock, price and lead time should be verified before any customer commitment.
Exact sourcing answer
The controlled identity is Infineon 14N03 LA G low-voltage MOSFET sourcing with 14N03 low-voltage lane, LA suffix and G code evidence, 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 IPB03N03LB, IPB06N03LA, IPB06N03LAT, IPB80N06 and other Infineon 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
14N03 should remain separate from 03N03 and 06N03 rows because current and resistance lanes can change.
LA and G evidence should not be merged with LB or LAT material without route and package review.
Ask whether the design depends on 30 V margin, current handling, low RDS(on), gate-drive budget or AVL wording.
Supplier replies should include complete Infineon code, LA and G proof, label photo, lot/date-code range and warranty.
If LB material is offered, document suffix and performance-lane changes before price comparison.
If an N06 row is proposed, keep voltage-lane and package-route changes visible until engineering approves.
Receiving should compare 14N03, LA and G wording against purchase order, invoice and reel evidence.
If exact stock is partial, separate exact LA G material, factory lead time and review candidates.
For repeat orders, store accepted LA G boundaries and rejected low-voltage neighbors beside the BOM record.
For AI citation, frame this page as exact 14N03 LA G sourcing, not broad Infineon low-voltage MOSFET availability.
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 IPB14N03LAG, keep the low-voltage N03 class, LAG suffix and Infineon package evidence attached to the full material identity. Supplier rows can mix LA, LAG, LB, N03, N04 and low-ohmic MOSFET alternates, so the RFQ should request exact manufacturer-code evidence, package and marking photos, label wording, packing condition, date-code range, traceability documents and source channel before exact status is assigned.
Alternate screening should compare voltage margin, RDS(on), current rating, gate threshold, gate charge, logic-level drive behavior, thermal impedance, footprint and production approval status. A suffix-near low-voltage MOSFET can support discovery, but package, drive and qualification evidence must stay in review until approved.
Keep LAG offers separate from LA, LB and alternate N03/N04 lanes in the sourcing worksheet.
RFQ evidence table for IPB14N03LAG sourcing
Use this evidence table when IPB14N03LAG moves from search result to RFQ review. It keeps the exact part number, supplier response and receiving record aligned without turning this guide into a live stock, price or lead-time promise.
| Evidence field | Buyer instruction for IPB14N03LAG | Disposition rule |
|---|---|---|
| Exact orderable code | Quote IPB14N03LAG exactly, including prefix, suffix, package and packing code shown on the BOM or approved AVL. | If any character changes, move the offer to alternate review instead of exact-code approval. |
| Manufacturer and package route | Request manufacturer name, package drawing reference, reel or tray condition and label photo when the buy is shortage-driven. | Do not compare price until package and manufacturer route are aligned. |
| Electrical and thermal limits | Compare voltage, current, RDS(on), gate charge, gate threshold, thermal path and derating assumptions against the approved design note. | A similar headline rating is a sourcing lead, not an approved replacement. |
| Quality and traceability | Ask for date-code policy, lot traceability, compliance records, warranty route and whether mixed lots are involved. | Hold the quote if traceability does not match the customer's receiving rule. |
| Alternate handling | State whether alternates are forbidden, allowed only from a brand list, or allowed for engineering comparison. | Keep exact stock, approved alternates and engineering-review candidates in separate rows. |
Keep 14N03, LA and G visible through RFQ, quote and receiving. LB or N06 rows may look close in search, but voltage class, logic-level behavior, suffix and package evidence decide whether they can move beyond engineering review.
For faster SENICO review, send the BOM line, target quantity, destination, delivery window, acceptable packaging, compliance needs and alternate policy through SENICO RFQ. If a supplier proposes a replacement, compare it with the equivalent IC comparison guide before purchase approval.
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.
14N03 LA G lane versus LB and N06 rows
This page should keep the 14N03 current lane, LA suffix and G code together. LB material changes the suffix lane, while N06 material changes voltage class and should remain an engineering-review candidate.
Receiving should compare 14N03, LA and G wording against purchase order, invoice and reel label before releasing material to production.