Lib-electronic-components semiconductor

Use when working with discrete semiconductor components - diodes, transistors, MOSFETs, IGBTs. Includes adding patterns, parsing MPNs, extracting voltage/current ratings, and package codes.

install

source · Clone the upstream repo

git clone https://github.com/Cantara/lib-electronic-components

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/Cantara/lib-electronic-components "$T" && mkdir -p ~/.claude/skills && cp -r "$T/.claude/skills/semiconductor" ~/.claude/skills/cantara-lib-electronic-components-semiconductor && rm -rf "$T"

manifest: .claude/skills/semiconductor/SKILL.md

source content

Semiconductor Component Skill

Guidance for working with discrete semiconductor components (diodes, transistors, MOSFETs) in the lib-electronic-components library.

Diodes

Supported Manufacturers & Patterns

Manufacturer	Handler	MPN Patterns	Example
Vishay	`VishayHandler`	`1N4###` , `1N5###` , `BAT#` , `BZX#`	`1N4007` , `BAT54S`
ON Semi	`OnSemiHandler`	`1N47##` , `MUR###`	`1N4742A`
Diodes Inc	`DiodesIncHandler`	`1N#` , `BAV#` , `BAS#`	`1N4148W`
Nexperia	`NexteriaHandler`	`BZX#` , `BAT#` , `BAV#`	`BZX84C5V1`

ComponentTypes

ComponentType.DIODE
ComponentType.DIODE_VISHAY
ComponentType.DIODE_ON
ComponentType.DIODE_ROHM

Common Diode Series

Series	Type	Typical Specs
1N400x	Rectifier	1A, 50-1000V
1N5400	Rectifier	3A, 50-1000V
1N4148	Signal	100mA, 75V
1N47xx	Zener	Various voltages
BAT54	Schottky	200mA, 30V
BZX84	Zener SMD	Various voltages

Transistors

Supported Manufacturers & Patterns

Manufacturer Handler MPN Patterns Example

Vishay

VishayHandler

2N####

BC###

2N2222A

BC547B

ON Semi

OnSemiHandler

2N####

BC###

MMBT#

MMBT3904

Nexperia

NexteriaHandler

PMBT#

PBSS#

PMBT2222A

ComponentTypes

ComponentType.TRANSISTOR
ComponentType.TRANSISTOR_VISHAY
ComponentType.TRANSISTOR_NXP
ComponentType.BIPOLAR_TRANSISTOR_NEXPERIA

Common Transistor Series

Series	Type	Typical Use
2N2222	NPN	General purpose
2N3904	NPN	Low power
2N3906	PNP	Low power
BC547	NPN	General purpose SMD
MMBT3904	NPN	SMD version of 2N3904

MOSFETs

Supported Manufacturers & Patterns

Manufacturer	Handler	MPN Patterns	Example
Infineon	`InfineonHandler`	`IRF#` , `IRL#` , `IRFP#` , `IRFB#`	`IRF540N` , `IRL3803`
Vishay	`VishayHandler`	`SI#` , `SIS#` , `SIR#`	`SI2302CDS`
ON Semi	`OnSemiHandler`	`FQP#` , `NTD#`	`FQP30N06L`
ST	`STHandler`	`STF#` , `STP#` , `STD#`	`STP55NF06`
Nexperia	`NexteriaHandler`	`PMV#` , `PSMN#`	`PMV45EN`
Toshiba	`ToshibaHandler`	`TPC#` , `TPN#`	`TPC8107`
ROHM	`RohmHandler`	`RQ#` , `RGT#`	`RQ5E050AJ`

ComponentTypes

ComponentType.MOSFET
ComponentType.MOSFET_INFINEON
ComponentType.MOSFET_VISHAY
ComponentType.MOSFET_ONSEMI
ComponentType.MOSFET_ST
ComponentType.MOSFET_NEXPERIA
ComponentType.MOSFET_TOSHIBA
ComponentType.MOSFET_ROHM
ComponentType.MOSFET_NXP
ComponentType.MOSFET_DIODES

MPN Structure - Infineon IRF Series

IRF 540 N
│   │   │
│   │   └── Package (N=TO-220, S=D2PAK, L=TO-262)
│   └────── Part number (voltage/current encoding)
└────────── Series (IRF=Standard, IRL=Logic Level)

MOSFET Key Parameters

Parameter	Description
Vds	Drain-Source Voltage
Rds(on)	On-Resistance
Id	Continuous Drain Current
Qg	Total Gate Charge

IGBTs

ComponentTypes

ComponentType.IGBT_INFINEON
ComponentType.IGBT_ONSEMI
ComponentType.IGBT_TOSHIBA

Patterns

Infineon:
```
IKP#
```
,
```
IKW#
```
Toshiba:
```
GT#
```

Adding New Semiconductor Patterns

In the manufacturer handler's
```
initializePatterns()
```
:

registry.addPattern(ComponentType.MOSFET, "^NEWMOS[0-9].*");
registry.addPattern(ComponentType.MOSFET_MANUFACTURER, "^NEWMOS[0-9].*");

Add to
```
getSupportedTypes()
```
:

types.add(ComponentType.MOSFET);
types.add(ComponentType.MOSFET_MANUFACTURER);

Similarity Calculators

```
DiodeSimilarityCalculator
```
- Compares voltage, current, type (rectifier/Schottky/Zener)
```
TransistorSimilarityCalculator
```
- Compares hFE, Vce, Ic
```
MosfetSimilarityCalculator
```
- Compares Vds, Rds(on), Id, package

Common Packages

Package	Description
TO-220	Through-hole power
TO-247	High power
D2PAK	SMD power
SOT-23	Small SMD
SOT-223	Medium SMD
DPAK	SMD power

Learnings & Quirks