SMD code SMBJ15A
Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.
SMBJ15A is a part number in our tables
SMBJ15A
- What it is
- TVS diode
- Maker
- DOWO, Good-Ark, Hottech, JieJie, ProTek Devices, SOCAY, Taitron Components, Vishay, WeEn Semiconductors, YFW, HXY, Bourns, Diodes Incorporated, EIC Semiconductor, Fagor Electronica, High diode Semiconductor, Leimao Electronic Technology, Lite-On Semiconductor, Lucky Forest, Rectron, Ruilong Yuan Electronics, SGS-Thomson Microelectronics, STMicroelectronics, Secos, Socay Electronics, StarHope, Starsea Electronic, SynSemi, Taiwan Semiconductor, Yint Electronics
- Package
- SMB
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead?
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
- From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
- A reading both ways on a one-way part: leaky.
- A one-way part open both ways: failed open.
- On the board
- , a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
- Compare:
- The same part on the next line or connector pin is the healthy reading to compare with.
- Watch for:
- A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Codes printed on it
Each maker prints its own code, and each code has a page of its own.
- LMDOWO, SMB
- LMGood-Ark, SMBDatasheet for SMBJ15A, Good-Ark, opens in a new tab
- LMHottech, SMBDatasheet for SMBJ15A, Hottech, opens in a new tab
- LMJieJie, SMBDatasheet for SMBJ15A, JieJie, opens in a new tab
- LMProTek Devices, SMBDatasheet for SMBJ15A, ProTek Devices, opens in a new tab
- LMSOCAYDatasheet for SMBJ15A, SOCAY, opens in a new tab
- LMTaitron ComponentsDatasheet for SMBJ15A, Taitron Components, opens in a new tab
- LMVishay, SMBDatasheet for SMBJ15A, Vishay, opens in a new tab
- B015AJWeEn Semiconductors, SMBDatasheet for SMBJ15A, WeEn Semiconductors, opens in a new tab
- 15AYFW, SMBDatasheet for SMBJ15A, YFW, opens in a new tab
- LMHXY, SMBDatasheet for SMBJ15A, HXY, opens in a new tab
- LMYFW, SMBDatasheet for SMBJ15A, YFW, opens in a new tab
- LMBourns, SMB
- LMDiodes Incorporated, SMB
- 6518EIC Semiconductor, SMB
- JRFagor Electronica, SMB
- BBMHigh diode Semiconductor, SMB
- LMLeimao Electronic Technology, SMB
- LMLite-On Semiconductor, SMB
- LMLucky Forest, SMB
- TB15ARectron, SMB
- LMRuilong Yuan Electronics, SMB
- BUGSGS-Thomson Microelectronics, SMB
- BUGSTMicroelectronics, SMB
- BJ15ASecos, SMB
- LMSocay Electronics, SMB
- LMStarHope, SMB
- LMStarsea Electronic, SMB
- 15ASynSemi, SMB
- LMTaiwan Semiconductor, SMB
- BMVishay, SMB
- LMYint Electronics, SMB
The only part printed SMBJ15A in our tables
TSMBJ15A
- What it is
- TVS diode
- Maker
- Galaxy Microelectronics
- Package
- SMB
- Pins
- 2
- Details
- 15V, 600W, Surface Mount TVS
- Source
- Manufacturer datasheet
Is it dead?
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
- From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
- A reading both ways on a one-way part: leaky.
- A one-way part open both ways: failed open.
- On the board
- , a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
- Compare:
- The same part on the next line or connector pin is the healthy reading to compare with.
- Watch for:
- A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
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