- name
- onsemi
- description
- ON Semiconductor (onsemi) MPN encoding patterns, package codes, and handler guidance. Use when working with onsemi MOSFETs, diodes, transistors, voltage regulators, or OnSemiHandler.
# 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 |
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