⚡ Protect Your Circuits with Precision: Discover the SD12C Bi-Directional ESD Diode with Ultra-Low Clamping Voltage!
Perfect for high-speed, space-sensitive applications in a compact SOD-323 package.
Description
The SD12C is a high-performance bi-directional ESD protection diode specifically engineered to safeguard sensitive electronics from electrostatic discharge (ESD) and transient voltage spikes. Combining ultra-low clamping voltage, fast response time, and minimal leakage current, it offers reliable protection in a compact SOD-323 package — perfect for today’s space-constrained designs.
Its superior ESD handling capabilities meet or exceed international standards, making it the ideal choice for portable electronics, consumer devices, and high-speed interfaces.
Key Features
- ⚡ Peak Pulse Power: 350W (tp = 8/20μs)
- 🧲 Ultra-Low Clamping Voltage for optimal component protection
- 🔒 Very Low Leakage Current
- 📏 Compact SOD-323 Package — perfect for handheld & mobile devices
- ✅ Meets IEC61000–4–2 (Level 4) and IEC61000–4–4 (Level 4) standards
- 👤 16kV Human Body Model (HBM) ESD protection
- ♻️ Pb-Free & RoHS Compliant
- 🔁 Bidirectional protection for a single I/O line
- ⚙️ Wide Operating Voltages: 3V, 5V, 8V, 12V, 15V, 18V, 24V, 36V
Target Applications
- 📷 Digital Cameras
- 📱 Cell Phones & Accessories
- 🎧 MP3 & Media Players
- 💻 Notebooks, Desktops & Servers
- 📟 PDAs & Portable Instruments
- 🌐 Networking & Telecom Equipment
- 🔌 Serial and Parallel Interfaces
- 🔧 Microprocessor-Based Systems & Peripherals
Mechanical Information
- 🧩 Package: SOD-323
- 🔥 Flammability Rating: UL 94V-0
- 📦 Tape and Reel Packaging
- 🔧 High-Temperature Soldering: 260°C for 10s
- 📏 Reel Size: 7 inches | 🧮 Quantity: 3,000 pcs/reel
About Slkor
Shenzhen Slkor Micro Semicon Co., Ltd., backed by a top-tier technical team from China’s prestigious Tsinghua University, specializes in third-generation SiC (Silicon Carbide) power devices as well as conventional semiconductor components. With deep expertise in cutting-edge materials, advanced technologies, and innovative product development, Slkor offers a comprehensive portfolio that includes discrete semiconductors, diodes, transistors, power management ICs, and analog chips.
Under the visionary leadership of CEO Mr. Song Shiqiang, Slkor has evolved from an IP design house into a national high-tech enterprise, integrating R&D, production, and sales across the semiconductor value chain.
Slkor is committed to delivering cost-effective, high-quality domestic alternatives to products from global semiconductor giants — empowering customers with greater flexibility and independence. To ensure fast, localized service, Slkor operates two flagship stores in Shenzhen’s Huaqiangbei, the world-renowned electronics and hardware hub.
SLKOR equivalent/ cross-reference list
|| | SLKOR PN | Product name| Package| Equivalent PN| |
| — — — | — — — — — — — | — — — — — — — — | — — — — — — | — — — — — — | — — — — — — — — — — — — — — — — — -|
| 01 | MOS | IRF640 | MOS | TO-220 | IRF640NPBF |
| | | IRFR5305 | MOS | TO-252 | IRFR5305TRPBF |
| | | SL2301 | MOS | SOT-23 | CJ2301/LP2301LT1G/SI2301CDS |
| | | SL2302 | MOS | SOT-23 | CJ2302/LP2302LT1G/SI2302CDS |
| | | SL2309 | MOS | SOT-23 | LP2309LT1GVISHA/SI2309CDS |
| | | SL3409 | MOS | SOT-23 | LP3409LT2G/UMW3409/AO3409 |
| | | 2N7002 | MOS | SOT-23 | 2N7002 |
| | | 2N7002L | MOS | SOT-23 | 2N7002L |
| 02 | TRIACs | BTA06–800B | TRIACs | TO-220 | BTA06–800BWRG |
| | | BTA08–800B | TRIACs | TO-220 | BTA08–800BWRG |
| | | BTA12–600B | TRIACs | TO-220 | BTA12–600BWRG |
| | | BTA16–800B | TRIACs | TO-220 | BTA16–800BWRG |
| | | BTA24–800B | TRIACs | TO-220 | BTA24–800BWRG |
| | | BTA26–800B | TRIACs | TO-220 | BTA26–800BWRG |
| | | BTA41–800B | TRIACs | TO-3P | BTA41–800BRG |
| | | BTA41–1200B | TRIACs | TO-3P | BTA41–1200BRG |
| 03 | Diode | BAT54S | Scottky Diode | SOT-23 | BAT54S |
| | | BAT54A | Scottky Diode | SOT-23 | BAT54A |
| | | SMAJ5.0A | TVS | SMA | SMAJ5.0A-13-F 、SMAJ5.0A-E3/61 |
| | | SMAJ33CA | TVS | SMA | SMAJ33CA-13-F、3CA |
| | | MMBZ12VAL | TVS | SOT-23 | MMBZ12VAL |
| | | MMBZ15VAL | TVS | SOT-23 | MMBZ15VAL |
| | | ZMM5V1 | Zenner | LL-34 | ZMM5V1 |
| | | SD12C | TVS | SOD-323 | SDD32C12L01 |
| 04 | ESD Diode | SLESD05D6CU | ESD Diode | DFN0603 | PESD5V0V1BSF |
| | | SLESD03D6BN | ESD Diode | DFN0603 | PESD3V3V1BCSF |
| | | SLESD03D6BU | ESD Diode | DFN0603 | PESD3V3R1BSF |
| | | SLESD0501BU | ESD Diode | DFN0603 | PESD5VOF1BL |
| | | SLESD2105L | ESD Diode | SOT-23 | NUP2105LT1G |
| | | SLESD5Z3V3 | ESD Diode | SOD-523 | ESD5Z3.3T1G |
| | | NUP2105LT1G | ESD Diode | SOT-23 | NUP2105LT1G |
| | | SLESD0501CM | ESD Diode | DFN0603 | PESD5VOS1BL |
| | | SLESD0301M | ESD Diode | DFN0603 | PESD3V3T1BL |
| 05 | Transistor | SL44H11 | Transistor | TO-220–3L | D44H11 |
| | | D882 | Transistor | SOT-89 | D882 |
| | | 2SC2873 | Transistor | SOT-89 | 2SC2873 |
| | | 2SC5824-R | Transistor | SOT-89 | 2SC5824T100R |
| 06 | Power Management | LM2575S-5.0 | DC/DC | TO-263–5 | LM2575S-5.0 |
| | | LM2576S-5.0 | DC/DC | TO-263–5 | LM2576S-5.0 |
| | | LM2596S-5.0 | DC/DC | TO-263–5 | LM2596S-5.0 |
| | | SL54620RHLR | Power Management | QFN14L | TPS54620RHLR |
| | | SL2044 | Power Management | SOP-8 | U2044 |
| | | SL27511 | Driver | SOT-23 | UCC27511DBVR |
| | | SL27525 | Driver | SOP-8 | UCC27525D |
| | | SL8402 | Driver | SOT-223 | NCV8402/ZXMS6005DGQ/NSE11409-Q1 |
| | | SL27517 | Driver | SOT-23 | UCC27517DBVR |
| | | SL27523 | Driver | SOP-8 | UCC27523 |
| | | SL27524 | Driver | SOP-8 | UCC27524 |
| | | SL4139 | LED Driver | SOT-23–5 | CAT4139 |
| | | SL401 | LED Driver | SOT-23–6 | BCR401 |
| | | SL3405S | Power Electronic Switch | SOP-8 | BTS3405G |
| | | SL8366 | DC/DC | ESOP-8 | TLE8366 |
| | | SL3157XC6 | Low Voltage, Single-Pole Double-Throw Switch | SC-70–6 | TS5A3157/NC7SB3157/FSA3157/SGM3157 |
| | | SL3157XT6 | Low Voltage, Single-Pole Double-Throw Switch | SOT-23–6 | TS5A3157/NC7SB3157/FSA3157/SGM3157 |
| | | SL331S5 | General Comparator | SOT-23–5 | RS331 |
| | | SL0101S6 | Level Shifter — Auto-Bidirectional | SOT-23–6 | TXS0101/RS0101 |
| | | SL0102S8 | Level Shifter — Auto-Bidirectional | SOT-23–8 | TXS0102/RS0102 |
| | | 74LVC1G11S6 | Logic Gate — AND, NAND | SOT-23–6 | SN74LVC1G11 |
| | | 74LVC1G10S6 | Logic Gate — AND, NAND | SOT-23–6 | SN74LVC1G10 |
| | | 74LVC1G32S5 | Logic Gate — AND, NAND | SOT-23–5 | SN74LVC1G32 |
| | | 74LVC1G27S6 | Logic Gate — OR, NOR | SOT-23–6 | SN74LVC1G27 |
| | | 74LVC1G34S5 | Logic Gate — Buffer | SOT-23–5 | SN74LVC1G34 |
| | | 74LVC2G34S6 | Logic Gate — Buffer | SOT-23–6 | SN74LVC2G34 |
| | | SL27531 | Low Side Driver | SOT-23–6 | UCC27531DBVR |
| | | SL27624MS | Low Side Driver | SOP-8 | UCC27624DR |
| | | SL27714 | High/Low Side Driver | SOP-14 | UCC27714 |
| | | SL21814 | High/Low Side Driver | SOP-14 | IR21814/IRS21814 |
| | | SL2110 | High/Low Side Driver | SOP-16W | IR2110S |
| | | SL2003 | Half-Bridge Driver | SOP-8 | IRS2003S |
| | | SL2004 | Half-Bridge Driver | SOP-8 | IRS2004 |
| | | SL2103 | Half-Bridge Driver | SOP-8 | IR2103S |
| | | SL8205FC | Synchronous Buck DC-DC | SOP-8-EP | SY8205FCC |
| | | SL82C250T | CAN Chip | SOP-8 | PCA82C250T |
| | | SL65HVD230DR | CAN Chip | SOP-8 | SN65HVD230DR |
| | | SL65HVD232DR | CAN Chip | SOP-8 | SN65HVD232DR |
| | | SL65HVD233DR | CAN Chip | SOP-8 | SN65HVD233DR |
| | | SL65HVD234DR | CAN Chip | SOP-8 | SN65HVD234DR |
| | | SL3232EESE | RS232 Transceiver | SOP-16 | MAX3232E |
| | | SL65HVD08DR | RS485 Chip | SOP-8 | SN65HVD08DR |
| | | SL3088EESA | RS485 Chip | SOP-8 | MAX3088E |
| | | SL3490EESA | RS422 Chip | SOP-8 | MAX3490E |
| | | SL6802 | Display Power Management | DFN12 | BV6802 |
| | | SL5350SDR | Gate Driver Isolation | SOP-8 | UCC5350 |
| | | SL5350MDR | Gate Driver Isolation | SOP-8 | UCC5350 |
| 07 | Op-amp | SL4558S | Op-amp | SOP-8 | RC4558DRG4 |
| | | LM124D | Op-amp | SOP-14 | LM124DR |
| | | LM224D | Op-amp | SOP-14 | LM1224DR |
| | | LM324D | Op-amp | SOP-14 | LM324DR |
| | | LMV358 | Op-amp | SOP-8 | LMV358QD |
| | | LMV32 1 | Op-amp | SOT-23–5 | LMV321ILT |
| | | LM2904 | Op-amp | DIP-8 | LM2904P |
| | | SL9062C | Op-amp | SOP-8 | TLV9062 |
| | | SL9062D | Op-amp | SOT-23–8L | TLV9062 |
| | | SL722XS8 | Op-amp | SOP-8 | SGM722/LTC722/RS722 |
| | | SL2122C | Op-amp | SOP-8 | NJM2122 |
| 08 | Quartz Crystal | SL322532M9P | Quartz Crystal | SMD3225–4 | X1E0000210167 |
| | | SL322532M10P | Quartz Crystal | SMD3225–4P | X1E000021016300 |
| | | SL322512M20P | Quartz Crystal | SMD3225–4P | CJ13–120002010A20 |
| | | SL322516M9P | Quartz Crystal | SMD3225–4P | X1E000021037500 |
| | | SL322516M12P | Quartz Crystal | SMD3225–4P | X1E000021011900 |
| | | SL322524M12P | Quartz Crystal | SMD3225–4P | X1E0000210129 |
| | | SL322525M20P | Quartz Crystal | SMD3225–4P | X1E000021035200 |
| | | SL322525M12P | Quartz Crystal | SMD3225–4P | X1E000021013900 |
| 09 | Darlington | TIP122 | Darlington | TO-220 | TIP122 |
| | | TIP127 | Darlington | TO-220 | TIP127 |
| | | ULN2001D | Darlington | SOP-16 | ULN2001D1013TR |
| 10 | Hall Sensor | SLSS41F | Hall Sensor | TO-92S | SS41F |
| | | SLSS360 | Hall Sensor | SOT-23 | SS360 |
| | | SLSS451A | Hall Sensor | TO-92 | SS451A |
| | | SLSS39E | Hall Sensor | TO-92S | SS39E |
| | | SL-302B | Hall Sensor | SSIT-4 | SS41F |
| | | SL-106C | Hall Sensor | SSOT-4 | HG-106C |
| | | SL-322B | Hall Sensor | SSIP-4 | HG-322B |
| | | SL-S-TRS-5.5D1 | Infrared Thermopile Sensor | SMD | MLX90632 |
| | | SL-W-TRS-5.5D1 | Digital Infrared Thermopile Sensor | TO-46 | MLX90614BAA/BBA |
| | | SL-FW-TRS-5.5D1 | Long Distance Digital Infrared Thermopile Sensor | TO-39 | MLX90614BAF/BBF |
| 11 | Optocoupler | SL-1007 | Optocoupler | SMD-4 | TCLT1007 |
| | | SL-1008 | Optocoupler | SMD-4 | TCLT1008 |
| | | SL3H7C | Optocoupler | SOP-4 | IS3H7C |
| | | SL-1009 | Optocoupler | SMD-4 | TCLT1009 |
| | | 6N135S | Optocoupler | SMD-8 | 6N135SM |
| | | 6N136S | Optocoupler | SMD-8 | 6N136SDM |
| | | 6N137S | Optocoupler | SMD-8 | 6N137SDM |
| | | 6N136 | Optocoupler | DIP-8 | 6N136M |
| 12 | LDO | SL4949 | Linear Reg | SOP-8 | L4949E/TLF4949/NCV4949 |
| | | SL4275 | Linear Reg | TO-252 | TLE4275/MP2014/BD42754/TLE4275-Q1/TPS7B87-Q1 |
| | | SL4284 | Linear Reg | TO-252 | TLE4284 |
| | | SL9013M33SE | Linear Reg | SOT-23–5 | LP5907MFX-3.3 |
| | | SL54M33SE | Linear Reg | SOT-23–5 | LP2992IM5–3.3 |
| | | AMS1117–1.8 | Linear Reg | SOT-223SOT-89 | AMS1117–1.8 |
| | | AMS1117–1.2 | Linear Reg | SOT-223SOT-89 | AMS1117–1.2 |
| | | AMS1117–1.5 | Linear Reg | SOT-223SOT-89 | AMS1117–1.5 |
| | | LM317 | Linear Reg | TO-220 | LM317T-DGZ |
| | | SL4275-G | Linear Reg | TO-263–5 | TLE42754G/TLE4275-Q1/NCV4275C/NCV4290/NCV8675/NJW4185/BD42754 |
| | | SL4264–2 | Linear Reg | SOT-223 | TLE4264/TPS7B69-Q1/LM2936Q/NCV8664/NCV4266–2C |
| | | SL42744D | Linear Reg | TO-252–3 | TLE42744/NJW4187/NJW4185/NCV7800/NCV4274/TL720M05-Q1 |
| | | SL42764 | Linear Reg | TO-252–5 | TLE42764/TPS7B86-Q1/NCV4276C/NJW4186 |
| 13 | SLKOR Best-selling | M7 | Rectifier | SMA | M7 |
| | | M1 | Rectifier | SMA | M1 |
| | | AMS1117–3.3 | LDO | SOT-223 | AMS1117–3.3 |
| | | AMS1117–5.0 | LDO | SOT-223 | AMS1117–5.0 |
| | | SS34 | Scottky Diode | SMA | SS34 |
| | | SS36 | Scottky Diode | SMA | SS36 |
| | | S8050 | Bipolar Transistor (BJT) | SOT-23 | S8050 |
| | | S8050 | Bipolar Transistor (BJT) | SOT-23 | S8050 |
| | | SS8050 | Bipolar Transistor (BJT) | SOT-23 | SS8050 |
| | | SS8550 | Bipolar Transistor (BJT) | SOT-23 | SS8550 |
| | | BAT54C | Scottky Diode | SOT-23 | BAT54CT1G/BAT54C-7-F |
| | | SD12C | TVS | SOD-323 | SDD32C12L01 |
| | | ZMM5V1 | Zenner | LL-34 | ZMM5V1 |
| | | LL4148 | TVS | LL-34 | LL4148-GS08/LL4148 |
| | | SMBJ6.5CA | TVS | SMB | SMB¹⁶.5CA-E3/52 |
| | | SMBJ5.0A | TVS | SMB | SMBJ5.0CA-E3/52 |
| | | SL4459 | MOS | SOP-8 | A04459 |
| | | 2N7002 | MOS | SOT-23 | 2N7002/BS170FTA |
| | | IRF640 | MOS | TO-220 | IRF640NPBF |
| | | BT136S-800E | TRIACs | TO-252 | JST136K-600E |
| | | BT137S-800E | TRIACs | TO-252 | JST137K-800E |
| | | BT138S-800E | TRIACs | TO-252 | BT138D-800E |
| | | MMBZ5V6AL | ESD Diode | SOT-23 | MMBZ5V6AL |
| | | MMBZ6V2AL | ESD Diode | SOT-23 | MMBZ6V2AL |
| | | MMBZ6V8AL | ESD Diode | SOT-23 | MMBZ6V8AL |
| | | RCLAMP0524P | ESD Diode | DFN2510 | ESDR0524P |
| | | SLESD2105L | ESD Diode | SOT-23 | NUP2105LT1G |
| | | SL27523 | Driver | SOP-8 | UCC27523 |
| | | SL4139 | Driver | SOT-23 | CAT4139 |
| | | SL401 | Driver | SOT-23 | BCR401 |
| | | TL431 | Voltage References | SOT-23 | TL431AS-13 |
| | | SL322526M9P | Quartz Crystal | SMD3225–4P | CJ13–260000910A20 |
| | | SL322524M9P | Quartz Crystal | SMD3225–4P | EPSON X1E000021012700 |
| | | SL322526M10P | Quartz Crystal | SMD3225–4P | EPSON X1E000021081900 |
| | | SL201640M12P | Quartz Crystal | SMD2016–4P | EPSON Q22FA12800332 |
| | | SL201632M6P | Quartz Crystal | SMD2016–4P | MURATA XRCGB32M000F1H19R0 |
| | | SL201626M12P | Quartz Crystal | SMD2016–4P | EPSON Q22FA1280047000 |
| | | SL252026M12P | Quartz Crystal | SMD2520–4P | EPSON Q24FA20H00315 |
| | | SL252026M9P | Quartz Crystal | SMD2520–4P | EPSON Q24FA20H00289 |
| | | 6N137 | Optocoupler | DIP-8 | 6N137VM |
| | | SL0601 | Optocoupler | SOP-8 | HCPL0601 |
| | | SLM611 | Optocoupler | SMD-5 | ICPLM611 |
| | | SLM352 | Optocoupler | SOP-4 | FODM352 |
| | | SLM601 | Optocoupler | SOP-5 | LTV-M601 |
| | | AMS1117-ADJ | LDO | SOT-223SOT-89 | AMS1117-ADJ |
| | | AMS1117–3.3 | LDO | SOT-223 | AMS1117–3.3 |
| | | AMS11 17–5.0 | LDO | SOT-223 | AMS1117–5.0 |
| | | PAM8403 | Op-amp | SOP-16 | M8403DR-H |
| | | SL555S | RTC | SOP-8 | LM555CMX |
| | | 74HC573D | Register | SOP-2 0 | 74HC573D,653 |
| | | SL24C02D | EEPROM | SOP-8 | M24C02-WMN6TP |
| | | SL24C04D | EEPROM | SOP-8 | AT24C04C-SSHM-T |
| | | SL24C08D | EEPROM | SOP-8 | AT24C08C- SSHM-T |
| | | SLA33 3 | Op-amp | MSOP-8 | opa333 |
| | | 74HC595D | Register | SOP-14 | 74HC595D |
| | | 74HC164D | Register | SOP-14 | SN74HC164DR |
| | | 74HC595D | Register | SOP-14 | 74HC595D |
| | | CD4001BM | Logical Gate | SOP-14 | CD4001BM |
| | | DTC143ECA | Digital Transistor | SOT-23 | DTC143ECA |
| | | S9013 | Transistor | SOT-23 | S9013 |
| | | S9014 | Transistor | SOT-23 | S9014 |
| | | MMBTA42 | Transistor | SOT-23 | MMBTA42 |
| | | MMBT4401 | Transistor | SOT-23 | MMBT4401 |
| | | MMBT5551 | Transistor | SOT-23 | MMBT5551 |
| | | MMBT5401 | Transistor | SOT-23 | MMBT5401 |
| | | MMBT3904 | Transistor | SOT-23 | MMBT3904 |
| | | MMBT3906 | Transistor | SOT-23 | MMBT3906 |
| | | MMBT2222A | Transistor | SOT-23 | MMBT2222A |
| | | BC846B | Transistor | SOT-23 | BC846B |
| | | BC807–25 | Transistor | SOT-23 | BC817–25LT1G/BC817–25Q-7-F |
| | | BC817–40 | Transistor | SOT-23 | SBC817–40LT1G/BC817–40Q-7-F |
| | | BCX52–16 | Transistor | SOT-89 | BCX52–16,115 |
| | | BCP51–16 | Transistor | SOT-223 | BCP51–16,115 |
| | | 2SC1623 | Transistor | SOT-23 | L2SC1623QLT1G |
| | | 2SC3357 | Transistor | SOT-89 | 2SC3357 |
| | | B772 | Transistor | SOT-89 | B772 |
| | | CZT5551 | Transistor | SOT-223 | CZT5551 |
| | | MMBTA44 | Transistor | SOT-23 | MMBTA44 |
| | | DB107S | Bridge Rectifier | DBS | DB1007S |
| | | DB207S | Bridge Rectifier | DBS | DB207S |
| | | BAV99 | Diode | SOT-23 | BAV99–13-F |
| | | BAV19W | Diode | SOD-123 | BAV19W-7-F |
| | | BAV20W | Diode | SOD-123 | BAV20W-7-F |
| | | BAV21W | Diode | SOD-123 | BAV21W-7-F |
| | | SMBJ15A | Diode | SMB | SMBJ15A-E3/52 |
| | | SMBJ36CA | Diode | SMB | SMBJ36CA-E3/52 |
| | | SMBJ12A | Diode | SMB | SMBJ12A-13-F |
| | | SMBJ24CA | Diode | SMB | SMBJ24CA-13-F |
| | | SMAJ13CA | Diode | SMA | SMAJ13CA-13-F |
| | | SMAJ15CA | Diode | SMA | SMAJ15CA-13-F |
| | | SMAJ6.0A | Diode | SMA | SMAJ6.0A-13-F |
| | | US1M | Diode | SMA | US1M |
| | | RS1M | Diode | SMA | RS1M |
| | | SM4007PLA7 | Diode | SOD-123FL | 1N4007(A7) |
| | | MBRF20200CT | Diode | TO-220F | MBRF20200CTG |
| | | MMBD4148 | Diode | SOT-23 | MMBD4148–7-F |
| | | ES2D | Diode | SMA | ES2D |
| | | ES2G | Diode | SMA | ES2G |
| | | 1SMB5923B | Diode | SMB | 1SMB5923BT3G |
| | | 1SMB5924B | Diode | SMB | 1SMB5924BT3G |
| | | 1SMB5925B | Diode | SMB | 1SMB5925BT3G |
| | | 1SMA5925A | Diode | SMA | 1SMA5925A |
| | | 1SMA5927A | Diode | SMA | 1SMA5927A |
For more inquries please reach out : sales03@slkormicro.com
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