Electronics miniaturization has shifted emphasis to components in packages designed for surface mounting, but for buyers looking for traditional leaded types, they can still be sourced in China. They include rectifiers, which are vital components in power supplies in almost all electronic products. Their function is to convert AC to DC power, ensuring a steady and consistent flow to devices.
Chinese manufacturers offer entry-level and midrange rectifiers used in consumer and automotive electronics, household appliances and industrial equipment. Those in SMD packages account for more than half of what is produced in China. Commonly available are SOD-123, SO-323, SOD-523, SMA, SMB, SMC, SMAF and SMBF units. For applications requiring rectifiers with higher power handling and where robustness and reliability are prime considerations, there are leaded kinds.
Across types, China-made rectifiers are UL-listed, CE-approved and RoHS-compliant. Some companies also ensure AEC-Q101 qualification for use in the automotive industry.
Manufacturers follow buyers’ preferences on the sources of materials used in production. Fortunately, the cost of both domestically available and imported inputs has been stable and will likely remain so in the months ahead and will keep rectifier prices at current levels.
Rectifier in DO-27 package
Company: Changzou Changyuan Electronic Co. Ltd
The SF31-38 from Changzou Changyuan is a rectifier in a DO-27 molded plastic package. It has axial lead terminals and is compliant with the MIL-STD-202 method 208 solderability standard. This component weighs 1.195g.
MOQ: Negotiable
Lead time: 15 days
Rectifier with 9.5mm lead length
Company: Changzou Changyuan Electronic Co. Ltd
Changzou Changyuan’s 1N4007 rectifier has low reverse leakage and forward voltage drop and high forward current. It can withstand soldering at 260 C for 10sec. The lead length is 9.5mm.
MOQ: Negotiable
Lead time: 15 days
Rectifier in DO-214AC (SMA) package
Company: Dongguan Lechen Electronics Co. Ltd
Model M7 from Dongguan Lechen uses a DO-214AC (SMA) package. At maximum level, its average forward current is 1A and repetitive peak reverse voltage 1,000V. This component is compliant with RoHS, IEC 61249-2-21 and Directive 2022/96/EC.
MOQ: 3,000 units
Lead time: 7 days
Rectifier in DO-204AL (DO-41) package
Company: Dongguan Lechen Electronics Co. Ltd
The 1N4007(DO-41)5 from Dongguan Lechen has 1A maximum average forward current and 1,000V maximum repetitive peak reverse voltage. It comes in a DO-204AL (DO-41) package and conforms to RoHS, IEC 61249-2-21 and Directive 2022/96/EC.
MOQ: 3,000 units
Lead time: 7 days
Rectifier, -55 to 150 C junction temperature
Company: Dongguan Merry Electronic Co. Ltd
A glass-passivated bridge rectifier, the GBU3510 from Dongguan Merry has 1,000V maximum repetitive peak reverse and 700V maximum RMS voltages, and 35A maximum average forward and 350A peak forward surge current. Its operating junction temperature range is -55 to 150 C.
MOQ: 1,000 units
Lead time: 10 days
Glass-passivated bridge rectifier
Company: Dongguan Merry Electronic Co. Ltd
Dongguan Merry’s ABS10 is a glass-passivated bridge rectifier with 1,000V maximum repetitive peak reverse and 700V maximum RMS voltages, 0.8A maximum average forward and 30A peak forward surge current and -55 to 150 C operating junction temperature range.
MOQ: 1,000 units
Lead time: 10 days
