"Unlock Superior Signal Integrity with the SL3H7C Optocoupler SSOP-4: Precision and Performance at its Best!"

 SL3H7C Optocoupler SSOP-4: Reliable Isolation & High Performance

• VCEO: 80V
• IC: 50mA
• VR: 6V
• IF: 50mA
• Package: SSOP-4

Engineered for superior signal isolation and stability in compact designs.

Why Choose Us?

China’s manufacturing industry has evolved through years of refinement, resulting in highly reliable and mature technologies. Many global corporations rely on China for production outsourcing. As a leading electronic components manufacturer, our products serve as direct replacements for major international brands in 99% of applications — without additional testing verification. We ensure consistent quality, competitive pricing, ample inventory, flexible supply options, short lead times, and professional after-sales support.

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SL3H7x Optocoupler — High Performance & Reliable Isolation

The SL3H7x is a high-efficiency optocoupler integrating a light-emitting diode (LED) and a phototransistor, housed in a compact SSOP-4 package.

Key Features

✔ Wide Current Transfer Ratio (CTR): 50%~600% (IF=5mA, VCE=5V)
 ✔ High Input-Output Isolation: 3750Vrms (Viso)

Applications

🔹 DC-DC Converters
 🔹 Communication Equipment
 🔹 Programmable Controllers
 🔹 Signal Transmission

Built for precision, efficiency, and durability, the SL3H7x is your ideal solution for seamless signal isolation in modern electronics.

|| | 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