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onsemi

安森美半导体（onsemi）的MPN编码模式、封装代码和处理指南。在使用onsemi的MOSFET、二极管、晶体管、稳压器或OnSemiHandler时参考。

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ON Semiconductor (onsemi) Manufacturer Skill

Company Overview

ON Semiconductor (onsemi) is a major semiconductor manufacturer that acquired Fairchild Semiconductor in 2016. The company inherited multiple part numbering conventions from various acquisitions including Fairchild, Motorola Semiconductor Products Sector, and others.

MPN Structure by Product Family

MOSFETs - NTD/NTB/NTS Series (ON Semiconductor Native)

NT[PKG][VOLTAGE][CURRENT/RDS][CHANNEL][SUFFIX]
 |   |      |         |         |        |
 |   |      |         |         |        +-- L=Logic level, blank=standard
 |   |      |         |         +-- N=N-channel (may be embedded)
 |   |      |         +-- Current capability or RDS identifier
 |   |      +-- Voltage class
 |   +-- Package: D=DPAK, B=D2PAK, S=SO-8, R=SOT-23
 +-- NT = ON Semiconductor power MOSFET

Examples:

  • NTD20N06L = N-channel, DPAK, 60V, 20A, Logic Level
  • NTD2955 = P-channel equivalent of 2N2955 in DPAK
  • NTD4809N = N-channel, DPAK, 30V, 88A
  • NTB60N06 = N-channel, D2PAK, 60V, 60A

MOSFETs - FQP/FQD/FQB Series (Legacy Fairchild)

FQ[PKG][CURRENT][CHANNEL][VOLTAGE][SUFFIX]
 |   |     |        |        |       |
 |   |     |        |        |       +-- L=Logic level, blank=standard
 |   |     |        |        +-- Voltage / 10 (e.g., 06=60V, 20=200V)
 |   |     |        +-- N=N-channel, P=P-channel
 |   |     +-- Current rating (A)
 |   +-- Package: P=TO-220, D=DPAK, B=D2PAK, A=TO-3P
 +-- FQ = Fairchild QFET series

Examples:

  • FQP50N06L = TO-220, 50A, N-channel, 60V, Logic Level
  • FQP27P06 = TO-220, 27A, P-channel, 60V
  • FQP4N20L = TO-220, 4A, N-channel, 200V, Logic Level
  • FQD13N10 = DPAK, 13A, N-channel, 100V

MOSFETs - FDP/FDB/FDD Series (Legacy Fairchild PowerTrench)

FD[PKG][CURRENT/CODE][RDS][VOLTAGE][SUFFIX]
 |   |        |        |      |       |
 |   |        |        |      |       +-- Technology suffix (optional)
 |   |        |        |      +-- Voltage class
 |   |        |        +-- RDS identifier (mOhm related)
 |   |        +-- Device code or current
 |   +-- Package: P=TO-220, B=D2PAK, D=DPAK
 +-- FD = Fairchild PowerTrench MOSFET

Examples:

  • FDP3680 = TO-220, PowerTrench, 100V
  • FDD3680 = DPAK, PowerTrench, 100V
  • FDB3632 = D2PAK, 100V, 73A

Transistors - 2N Series (JEDEC Standard)

2N[SEQUENCE][SUFFIX]
 |    |        |
 |    |        +-- A/B/C = grade improvement
 |    +-- JEDEC registration number (no encoded meaning)
 +-- 2N = JEDEC transistor prefix

Examples:

  • 2N2222A = NPN general purpose
  • 2N3904 = NPN general purpose
  • 2N3906 = PNP general purpose
  • 2N7000 = N-channel enhancement MOSFET
  • 2N7002 = N-channel SMD MOSFET

Transistors - MMBT Series (Surface Mount)

MMBT[BASE][SUFFIX]
  |    |      |
  |    |      +-- Grade suffix (L=low, T1=tape & reel)
  |    +-- Equivalent 2N or base number
  +-- MMBT = Motorola Miniature Bipolar Transistor (SOT-23)

Examples:

  • MMBT2222A = SMD equivalent of 2N2222A (SOT-23)
  • MMBT3904 = SMD equivalent of 2N3904 (SOT-23)
  • MMBT3906 = SMD equivalent of 2N3906 (SOT-23)
  • MMBT4401 = NPN 40V transistor (SOT-23)
  • MMBT4403 = PNP 40V transistor (SOT-23)

Transistors - MPS/MPSA Series

MPS[A][CODE]
 |   |   |
 |   |   +-- Device code
 |   +-- A = variant designation
 +-- MPS = Motorola Plastic Small (signal transistor)

Examples:

  • MPSA42 = NPN high voltage (300V)
  • MPSA92 = PNP high voltage (300V)
  • MPS2222A = Plastic equivalent of 2N2222A

Voltage Regulators - MC78xx/MC79xx Series

MC78[VOLTAGE][GRADE][PACKAGE]
  |     |       |       |
  |     |       |       +-- Package suffix (CT=TO-220, CD=DPAK, etc.)
  |     |       +-- Grade: blank=std, A/B/C=improved
  |     +-- Output voltage (05=5V, 12=12V, 15=15V, etc.)
  +-- MC78 = Motorola positive regulator / MC79 = negative regulator

Examples:

  • MC7805CT = +5V, 1A, TO-220
  • MC7812ACT = +12V, 1A, improved, TO-220
  • MC78L05ACP = +5V, 100mA, plastic
  • MC7905CT = -5V, 1A, TO-220
  • MC79M12CT = -12V, 500mA, TO-220

Voltage Regulators - MC33xx Series (Switching)

MC33[CODE][VARIANT][PACKAGE]
  |    |      |        |
  |    |      |        +-- Package designator
  |    |      +-- Variant/feature code
  |    +-- Device code
  +-- MC33 = Motorola switching regulator family

Examples:

  • MC33063AD = DC-DC converter, SOIC
  • MC34063A = 1.5A switching regulator
  • MC33167T = 5A switching regulator, TO-220

Voltage Regulators - NCP Series (Newer ON Semi)

NCP[CODE][VARIANT][PACKAGE]
  |   |      |        |
  |   |      |        +-- Package designator
  |   |      +-- Feature/variant code
  |   +-- Device family code
  +-- NCP = ON Semiconductor power IC

Examples:

  • NCP1117ST33T3G = 3.3V LDO, SOT-223, tape & reel
  • NCP1117DT33G = 3.3V LDO, DPAK
  • NCP5500 = Ultra-low Iq LDO

Diodes - RL Series (Standard Rectifiers)

RL20[VOLTAGE CODE]
  |        |
  |        +-- 1=50V, 2=100V, 3=200V, 4=400V, 5=600V, 6=800V, 7=1000V
  +-- RL20 = 2A standard recovery rectifier series

Examples:

  • RL201 = 50V, 2A rectifier (DO-41)
  • RL204 = 400V, 2A rectifier (DO-41)
  • RL207 = 1000V, 2A rectifier (DO-41)

Diodes - MUR Series (Ultra-Fast Recovery)

MUR[CURRENT][VOLTAGE]
  |     |       |
  |     |       +-- Voltage rating / 10 (e.g., 20=200V)
  |     +-- Current rating in Amps
  +-- MUR = Motorola Ultra-fast Recovery

Examples:

  • MUR120 = 1A, 200V ultra-fast
  • MUR460 = 4A, 600V ultra-fast
  • MUR1520 = 15A, 200V ultra-fast

Diodes - MBR/MBRS Series (Schottky)

MBR[S][CURRENT][VOLTAGE]
  |  |     |       |
  |  |     |       +-- Voltage rating / 10
  |  |     +-- Current rating
  |  +-- S = Surface mount version
  +-- MBR = Motorola Barrier Rectifier (Schottky)

Examples:

  • MBR1045 = 10A, 45V Schottky (TO-220)
  • MBR2045CT = 20A, 45V dual Schottky (TO-220)
  • MBRS340 = 3A, 40V SMD Schottky (SMC)

Diodes - 1N47xx/1N52xx Series (Zener)

1N[SERIES][CODE][SUFFIX]
 |    |      |      |
 |    |      |      +-- Grade suffix (A, B, C, etc.)
 |    |      +-- Voltage code within series
 |    +-- 47=1W Zener, 52=0.5W Zener
 +-- 1N = JEDEC diode prefix

Examples:

  • 1N4733A = 5.1V Zener, 1W
  • 1N4742A = 12V Zener, 1W
  • 1N5231B = 5.1V Zener, 0.5W
  • 1N5242B = 12V Zener, 0.5W

Op-Amps - MC Series

MC[BASE][VARIANT][PACKAGE]
 |   |      |        |
 |   |      |        +-- Package code
 |   |      +-- Grade variant
 |   +-- Device base number
 +-- MC = Motorola integrated circuit

Examples:

  • MC1458 = Dual op-amp (equivalent to LM1458)
  • MC324 = Quad op-amp (equivalent to LM324)
  • MC741 = Single op-amp (equivalent to LM741)

Package Codes

Through-Hole Packages

| Code | Package | Current | Notes | |------|---------|---------|-------| | CT | TO-220 | 1A+ | Standard power | | T | TO-220 | 1A+ | Alternate code | | ACP | TO-92 | 100mA | Plastic small | | P | DIP | - | Dual in-line | | N | DIP | - | Alternate for DIP |

Surface Mount Packages

| Code | Package | Notes | |------|---------|-------| | D | SOIC | Standard SOIC-8/14/16 | | DT | DPAK (TO-252) | Power SMD | | BD | D2PAK (TO-263) | High power SMD | | DW | SOIC-Wide | Wide body | | PW | TSSOP | Thin shrink SOP | | DGK | MSOP | Mini SOP | | DBV | SOT-23 | Small outline | | T3G | SOT-23 Tape | SOT-23 with T&R |

Diode Packages

| Code | Package | Notes | |------|---------|-------| | RL | DO-41 | Standard axial | | G | DO-35 | Small signal | | T | TO-220 | Power diode | | FP | TO-220F | Fully isolated | | SMB | DO-214AA | Surface mount | | SMC | DO-214AB | Larger SMD |

Temperature Grades & Prefixes

Automotive Prefix (NCV)

NCV[BASE PART NUMBER]
  |
  +-- Automotive grade, AEC-Q100/Q101 qualified
      Temperature: -40C to +125C
      PPAP capable

Examples:

  • NCV7805 = Automotive version of MC7805
  • NCV8402 = Automotive power MOSFET

Temperature Suffixes

| Suffix | Range | Application | |--------|-------|-------------| | (none) | 0C to +70C | Commercial | | I | -40C to +85C | Industrial | | E | -40C to +125C | Extended |

Grade Suffixes

| Suffix | Meaning | |--------|---------| | A | Improved tolerance/specs | | B | Further improved | | C | Premium grade | | L | Logic level (MOSFETs) | | G | Green/RoHS compliant | | T1 | Tape & reel (SOT-23) | | T3G | Tape & reel + Green |

Common Series Reference

Popular MOSFETs

| Part Number | Type | Vds | Id | Package | |-------------|------|-----|-----|---------| | FQP50N06L | N-ch Logic | 60V | 50A | TO-220 | | FQP27P06 | P-ch | 60V | 27A | TO-220 | | NTD20N06L | N-ch Logic | 60V | 20A | DPAK | | NTD2955 | P-ch | 60V | 12A | DPAK | | 2N7000 | N-ch | 60V | 200mA | TO-92 | | 2N7002 | N-ch | 60V | 115mA | SOT-23 | | FDB3632 | N-ch | 100V | 73A | D2PAK |

Popular Transistors

| Part Number | Type | Vceo | Ic | Package | |-------------|------|------|-----|---------| | 2N2222A | NPN | 40V | 600mA | TO-18/TO-92 | | 2N3904 | NPN | 40V | 200mA | TO-92 | | 2N3906 | PNP | 40V | 200mA | TO-92 | | MMBT2222A | NPN | 40V | 600mA | SOT-23 | | MMBT3904 | NPN | 40V | 200mA | SOT-23 | | MMBT3906 | PNP | 40V | 200mA | SOT-23 | | MPSA42 | NPN | 300V | 500mA | TO-92 |

Popular Regulators

| Part Number | Output | Current | Package | |-------------|--------|---------|---------| | MC7805CT | +5V | 1A | TO-220 | | MC7812CT | +12V | 1A | TO-220 | | MC78L05ACP | +5V | 100mA | TO-92 | | MC7905CT | -5V | 1A | TO-220 | | NCP1117ST33T3G | +3.3V | 1A | SOT-223 | | MC33063AD | Variable | 1.5A | SOIC-8 |

Popular Diodes

| Part Number | Type | Vrrm | If | Package | |-------------|------|------|-----|---------| | RL207 | Rectifier | 1000V | 2A | DO-41 | | MUR460 | Ultra-fast | 600V | 4A | TO-220 | | MBR1045 | Schottky | 45V | 10A | TO-220 | | MBRS340 | Schottky | 40V | 3A | SMC | | 1N4733A | Zener | 5.1V | 1W | DO-41 | | 1N4742A | Zener | 12V | 1W | DO-41 |

Handler Implementation Notes

Issues Found in Current OnSemiHandler

  1. HashSet usage (line 39): Uses mutable HashSet instead of Set.of() or EnumSet for immutability
  2. Limited MOSFET patterns: No patterns for NTD, FQP, FDP series MOSFETs
  3. Limited transistor patterns: No patterns for 2N, MMBT, MPSA series transistors
  4. Missing NCP regulator patterns: Only covers MC78xx/MC79xx, missing NCP series
  5. Package extraction logic: Only handles diode packages, missing MOSFET/transistor package codes
  6. Series extraction incomplete: Does not extract series for MOSFETs or transistors

Recommended Pattern Additions

// MOSFETs - ON Semi native
registry.addPattern(ComponentType.MOSFET, "^NT[DBSR][0-9]+.*");
registry.addPattern(ComponentType.MOSFET_ONSEMI, "^NT[DBSR][0-9]+.*");

// MOSFETs - Fairchild legacy
registry.addPattern(ComponentType.MOSFET, "^FQ[PDBA][0-9]+.*");
registry.addPattern(ComponentType.MOSFET_ONSEMI, "^FQ[PDBA][0-9]+.*");
registry.addPattern(ComponentType.MOSFET, "^FD[PDB][0-9]+.*");
registry.addPattern(ComponentType.MOSFET_ONSEMI, "^FD[PDB][0-9]+.*");

// Small signal MOSFETs
registry.addPattern(ComponentType.MOSFET, "^2N7[0-9]{3}.*");
registry.addPattern(ComponentType.MOSFET_ONSEMI, "^2N7[0-9]{3}.*");
registry.addPattern(ComponentType.MOSFET, "^BSS[0-9]+.*");
registry.addPattern(ComponentType.MOSFET_ONSEMI, "^BSS[0-9]+.*");

// Transistors
registry.addPattern(ComponentType.TRANSISTOR, "^2N[0-9]{4}.*");
registry.addPattern(ComponentType.TRANSISTOR, "^MMBT[0-9]+.*");
registry.addPattern(ComponentType.TRANSISTOR, "^MPS[A]?[0-9]+.*");
registry.addPattern(ComponentType.TRANSISTOR, "^BC[0-9]{3}.*");

// NCP voltage regulators
registry.addPattern(ComponentType.VOLTAGE_REGULATOR, "^NCP[0-9]+.*");
registry.addPattern(ComponentType.VOLTAGE_REGULATOR_LINEAR_ON, "^NCP[0-9]+.*");

Package Extraction Improvements

// MOSFET package extraction
if (upperMpn.startsWith("FQP") || upperMpn.endsWith("CT")) return "TO-220";
if (upperMpn.startsWith("FQD") || upperMpn.matches(".*DT$")) return "DPAK";
if (upperMpn.startsWith("FQB") || upperMpn.matches(".*BD$")) return "D2PAK";
if (upperMpn.startsWith("NTD")) return "DPAK";
if (upperMpn.startsWith("NTB")) return "D2PAK";

// Transistor package extraction
if (upperMpn.startsWith("MMBT") || upperMpn.matches(".*T1$")) return "SOT-23";
if (upperMpn.startsWith("2N") && !upperMpn.startsWith("2N7")) return "TO-92";
if (upperMpn.startsWith("MPS")) return "TO-92";

Series Extraction Improvements

// MOSFET series
if (mpn.matches("(?i)^NTD.*")) return "NTD";
if (mpn.matches("(?i)^NTB.*")) return "NTB";
if (mpn.matches("(?i)^FQP.*")) return "FQP";
if (mpn.matches("(?i)^FQD.*")) return "FQD";
if (mpn.matches("(?i)^FDP.*")) return "FDP";
if (mpn.matches("(?i)^FDD.*")) return "FDD";
if (mpn.matches("(?i)^FDB.*")) return "FDB";

// Transistor series
if (mpn.matches("(?i)^MMBT.*")) return "MMBT";
if (mpn.matches("(?i)^2N[0-9]+.*")) return "2N";
if (mpn.matches("(?i)^MPS[A]?.*")) return "MPS";

// Regulator series
if (mpn.matches("(?i)^NCP[0-9]+.*")) return "NCP";

Related Files

  • Handler: manufacturers/OnSemiHandler.java
  • Component types: MOSFET_ONSEMI, IGBT_ONSEMI, VOLTAGE_REGULATOR_LINEAR_ON, VOLTAGE_REGULATOR_SWITCHING_ON, LED_DRIVER_ONSEMI, MOTOR_DRIVER_ONSEMI, OPAMP_ON, DIODE_ON

Learnings & Edge Cases

  • Fairchild acquisition: ON Semiconductor acquired Fairchild in 2016, inheriting FQP/FDP/FDD nomenclature
  • Motorola heritage: MC78xx, MC79xx, MUR, MBR series come from Motorola semiconductor division
  • JEDEC standards: 2N and 1N prefixes follow JEDEC numbering (no encoded specs in number)
  • Logic level: "L" suffix indicates logic-level gate threshold (~2.5V Vgs max)
  • Automotive grade: NCV prefix indicates AEC-Q100/Q101 qualified automotive parts
  • Cross-reference needed: Many parts have equivalents across ON Semi, Fairchild, and other sources
  • Package suffix variations: CT vs T both mean TO-220; DT means DPAK
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