Free Electronics Manufacturing tools
71 templates, calculators, worksheets and reference tables. Each runs in your browser and exports to PDF, Excel, Word or CSV.
Templates and forms
PCBA First Article Inspection Report Template
A fill-in first article report for a new PCB assembly job: setup verification, BOM and placement checks, solder inspection and sign-off.
Electronic Component RFQ Request Template
A fill-in request for quotation to send to franchised distributors and manufacturers, with traceability and compliance requirements built in.
PCN Product Change Notification Response Template
Document your review of a manufacturer PCN or EOL notice: affected parts, impact, decision, actions and approvals, ready to export.
Independent Distributor Purchase Approval Form Template
Document why a shortage buy from a broker or independent distributor is needed, the risk controls and the test plan, with signatures.
Worksheets
Moisture Sensitive Device Floor Life Log Worksheet
An editable log of MSL level, floor life and exposure time per reel or tray, with remaining floor life calculated for each line.
Electronics Lot and Date Code Traceability Log Worksheet
An editable log that records manufacturer, lot, date code and quantities per component line, with on-hand balance calculated per row.
Reflow Oven Profile and Solder Paste Log Worksheet
An editable log of reflow profile results and solder paste lots, with peak temperature margin and time above liquidus margin calculated per run.
MSD Moisture Sensitive Device Floor Life Log
An editable log to track moisture sensitivity level, bag open date, floor life used and remaining hours for each reel or tray.
SMT Stencil Usage and Cleaning Log
Keep a record of every stencil's print count, cleaning, tension checks and remaining life before it needs replacement.
Last Time Buy Quantity Worksheet
Size last time buy quantities for end-of-life parts from annual demand, months of cover, growth and buffer. Editable rows, exports to Excel.
Component Cross Reference and Alternate Part Approval Worksheet
Track alternate and second source parts, their approval status and the saving each could bring. Editable rows, exports to Excel.
Etch Rate Uniformity Log Worksheet
Editable log of etch monitor wafers with automatic within-wafer non-uniformity and etch depth per row, plus average and worst-case totals.
Calculators and simulators
PCB Assembly Cost Estimator
Estimate SMT and through-hole assembly cost per board and total order cost from placements, complexity, NRE, and test overhead.
SMT Line Capacity Calculator
Convert rated placement speed into realistic boards per day and month, accounting for OEE, changeovers, and shift patterns.
Electronics BOM Cost Calculator
Estimate loaded BOM cost per board and annual material spend, including volume pricing tiers, procurement overhead, and attrition.
Test Coverage ROI Calculator (ICT/FCT/AOI)
Quantify the annual savings and ROI of your ICT/FCT/AOI test strategy by comparing catch-at-test cost against field failure cost.
Yield Improvement Value Calculator
Put a dollar value on first pass yield improvement: failures avoided, rework and scrap savings, and the worth of each yield point.
FIT Failure Rate to MTBF Conversion Calculator
Convert a FIT rate to MTBF, expected failures per year across a fleet and the reliability over a mission.
Solder Paste Stencil Aperture Area Ratio Calculator
Calculate area ratio, aspect ratio and paste volume for a rectangular stencil aperture, and see how stencil thickness changes print transfer risk.
Electronic Component Junction Temperature Derating Calculator
Find junction temperature and thermal headroom against a derated limit, and sweep power to see where a part runs out of margin.
MSL Floor Life and Exposure Time Remaining Calculator
Compute how much moisture sensitivity floor life remains after a part has been out of its dry bag, and whether a planned run will exceed it.
Solder Paste Stencil Area Ratio Calculator
Check rectangular stencil apertures against area ratio and aspect ratio guidelines and find the thickest foil that still releases paste.
PCB Panelization Calculator
Work out how many boards fit on a fabrication panel with rails and routing gaps, and how many panels an order needs.
Solder Paste Volume Calculator
Estimate how much solder paste a board deposits and how many jars a production run consumes, including waste.
SMT Placement Rate and Cycle Time Calculator
Turn a pick-and-place machine's rated CPH into realistic board cycle time, boards per hour and run hours for an order.
PCB Trace Current Capacity and Temperature Rise Calculator
Enter trace width, copper weight, layer type and allowed temperature rise to get the maximum current from the IPC-2221 equation.
PCB Microstrip Impedance and Delay Calculator
Estimate microstrip Z0 and propagation delay from trace width, dielectric height, copper thickness and Er using the IPC-2141 formula.
PCBA First Pass Yield and DPMO Calculator
Turn defect counts from AOI, ICT or inspection into DPMO, defects per unit and expected first pass yield using component and joint opportunities.
MSL Floor Life Remaining Calculator
Track moisture-sensitive part exposure against the J-STD-033 floor life limit and check whether a reel can be consumed before baking is needed.
SMT Setup Cost and Minimum Batch Size Calculator
Find setup cost per board for any batch size, and the minimum batch needed to keep setup under a target cost per board.
Reflow Oven Belt Speed and Ramp Rate Calculator
Relate conveyor belt speed to dwell time per zone, total oven time and average preheat ramp rate, then back-solve belt speed for a target ramp.
PCB Trace Resistance and Voltage Drop Calculator
Compute DC resistance, voltage drop and I squared R loss for a copper trace including the temperature coefficient of copper.
Solder Paste Consumption and Reorder Calculator
Forecast solder paste use from boards per day, paste per board and waste, and set a reorder point that covers supplier lead time.
Resistor Color Code Calculator
Select the colors of a 4 or 5 band through-hole resistor and get its value in ohms, kilohms, tolerance and acceptable min and max range.
SMT Component Overage and Attrition Buy Quantity Calculator
Calculate how many components to buy for an SMT build after attrition and setup loss, rounded up to full reels.
PCB Panel Utilization and Boards per Panel Calculator
See how many boards fit on a fabrication panel after rails and spacing, with utilization and cost per board.
Lifetime Buy vs Redesign Break-Even Calculator
When a component goes end of life, find the volume where redesigning beats buying a lifetime stock.
Gross Die Per Wafer Calculator
Estimate gross die per wafer from wafer diameter, die dimensions, scribe lane and edge exclusion, and see how die size changes the count.
Die Yield Calculator (Poisson, Murphy, Negative Binomial)
Compare Poisson, Murphy and negative binomial die yield models from die size and defect density D0.
Semiconductor Cycle Time X-Factor Queue Calculator
Estimate queue wait, X-factor and total flow time per layer from tool utilization and variability. Includes a utilization sweep chart.
Cleanroom FFU Air Changes Per Hour Calculator
Compute air changes per hour, ceiling coverage and mean downflow velocity for a cleanroom served by fan filter units, with a sweep by FFU count.
Burn-In Arrhenius Acceleration Factor and FIT Calculator
Calculate the Arrhenius temperature acceleration factor, equivalent use time and a point-estimate FIT rate for burn-in or HTOL results.
Lithography Resolution and Depth of Focus Calculator
Apply the Rayleigh criteria to find minimum printable half-pitch, pitch and depth of focus for i-line, KrF, ArF and EUV scanners, with an NA sweep.
Deal-Grove Thermal Oxide Thickness Calculator
Calculate silicon dioxide thickness after dry or wet thermal oxidation using the Deal-Grove linear-parabolic model, with a growth versus time chart.
Wafer Probe Throughput and Test Cell Capacity Calculator
Estimates wafers per hour and wafers per week for a probe cell from dies per wafer, multi-site count, test time, index time and retest rate.
Reference tables
J-STD-020 MSL Floor Life and Soak Reference
Look up floor life and soak conditions for each moisture sensitivity level in J-STD-020, with dry pack basics from J-STD-033.
Conformal Coating Types Reference (IPC-CC-830)
A comparison table of conformal coating families (acrylic, epoxy, silicone, urethane, parylene) with typical traits and rework notes.
Solder Alloy Melting Point Reference Table
Look up common solder alloy compositions with solidus and liquidus temperatures, eutectic status and RoHS notes.
SMT Solder Defect Causes and Fixes Reference
Look up tombstoning, bridging, head-in-pillow, voiding and other SMT defects with likely causes, detection method and first fix.
SMD Chip Package Size Reference (Imperial and Metric)
Convert between imperial and metric chip size codes (0402, 0603, 1005, 1608) with length and width in mm.
MSL Floor Life and Moisture Barrier Bag Reference
Look up J-STD-020 moisture sensitivity levels, their floor life and the dry pack handling rules for SMT lines.
PCB Surface Finish Comparison Table (HASL, ENIG, OSP, ImAg, ImSn, ENEPIG)
Side by side comparison of common PCB surface finishes with flatness, shelf life, wire bond and typical use.
MSL Floor Life Reference (J-STD-033)
Searchable table of moisture sensitivity levels 1 to 6 with floor life, soak conditions and the key dry pack handling rules from J-STD-033.
Capacitor Code Reference Table
Decode 3 digit capacitor markings, tolerance letters and EIA dielectric codes in one searchable lookup table.
Electronic Component Lifecycle Status Reference
Searchable guide to lifecycle terms such as NRND, last time buy, EOL and obsolete, with what each means and what a buyer or engineer should do.
SMD Chip Component Size Code Reference (0201, 0402, 0603, 0805, 1206)
Look up imperial and metric size codes for chip resistors and capacitors with nominal length and width, plus typical resistor power ratings.
MLCC Dielectric Class and Temperature Code Reference (X7R, X5R, C0G, Y5V)
Decode ceramic capacitor dielectric codes into temperature range and capacitance change, and see which codes are interchangeable in sourcing.
IC Package Type Reference (SOIC, QFN, BGA, TSSOP, QFP and More)
A searchable list of common semiconductor package types with full names, mounting method, lead style and typical lead pitch.
Solder Alloy Melting Point Reference (SAC305, Sn63Pb37, SN100C)
Compare common solder alloys by composition, solidus and liquidus temperature, and see where each is typically used.
Semiconductor Wafer Size and Thickness Reference
Lookup table of standard silicon wafer diameters, nominal thicknesses, areas and typical applications.
Semiconductor Package Types Reference
Lookup table of common IC package families with full names, terminal style, interconnect method and typical applications.
ISO 14644-1 Cleanroom Particle Limits Reference
Maximum allowable particles per cubic metre by ISO class and particle size, plus Fed Std 209E equivalent class names.
Checklists
Electronics Traceability Readiness Checklist
A 30-point checklist to audit your lot/serial capture, supplier traceability, test data linkage, and recall readiness before a customer or auditor does.
Wire Harness Build Checklist (IPC/WHMA-A-620)
A practical checklist for cable and harness builds covering materials, crimping, soldering, routing, marking and final test.
PCBA DFM Design for Manufacturing Review Checklist
Checklist to review a PCB design for assembly before release: panel, fiducials, pads, stencil, test and documentation.
Semiconductor Process Tool Qualification Checklist
Checklist covering facilities hookup, safety, hardware acceptance, process qualification and production release for a fab or OSAT tool.
Assessments
Component Obsolescence Risk Assessment
Answer 10 questions to score how exposed your BOMs are to component EOL, DMSMS, and lifecycle blind spots, with graded recommendations.
ECN Impact Assessment
Score how well your engineering change process controls WIP, inventory, effectivity, and downstream impact before changes hit the floor.
IPC Class Selector (Class 1, 2, or 3)
Answer 8 questions about failure consequence, environment, and service life to see whether your product needs IPC Class 1, 2, or 3.
EMS Partner Selection Scorecard
Score a candidate contract manufacturer across 10 weighted criteria, from certifications and quality data to traceability and change handling.
SMT Process Control Maturity Assessment
Score how well your SMT line controls printing, placement, reflow, traceability and feedback, and see where to improve first.