The ACPL-M43T-000E is a high-reliability optocoupler from Broadcom, designed for automotive and industrial applications. Featuring a transistor output, 4000Vrms isolation voltage, and AEC-Q100 qualification, it’s ideal for signal isolation, level shifting, and interfacing with microcontrollers in harsh environments.

Download the official datasheet for complete electrical and mechanical specifications:
| Parameter | Value |
|---|---|
| Manufacturer | Broadcom |
| Product Series | R²Coupler™ |
| Channels | 1 |
| Isolation Voltage | 4000Vrms |
| CTR (Current Transfer Ratio) | 32% – 100% @ 10mA |
| Turn-on Time | 150ns |
| Turn-off Time | 500ns |
| Input Type | DC LED |
| Output Type | Transistor |
| Max Output Voltage | 20V |
| Max Output Current | 8mA |
| Forward Voltage | 1.55V (typical) |
| Forward Current | 20mA max |
| Temperature Range | -40°C to +125°C |
| Mounting | Surface Mount |
| Package | 5-SOIC (0.173", 4.40mm width) |
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The ACPL-M43T-000E is a compact, robust, and automotive-grade optocoupler ideal for signal isolation in high-reliability environments. With excellent timing characteristics, wide temperature tolerance, and strong regulatory compliance, it serves as a versatile component for automotive, industrial, and power supply designs.
| Current Transfer Ratio (Max) | 100% @ 10mA | |
| Rise / Fall Time (Typ) | - | |
| Output Type | Transistor | |
| Product Status | Active | |
| Supplier Device Package | 5-SO | |
| Package / Case | 6-SOIC (0.173", 4.40mm Width), 5 Leads | |
| Number of Channels | 1 | |
| Current Transfer Ratio (Min) | 32% @ 10mA | |
| REACH Status | REACH Unaffected | |
| Mfr | Broadcom Limited | |
| Voltage - Forward (Vf) (Typ) | 1.55V | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Operating Temperature | -40Β°C ~ 125Β°C | |
| Input Type | DC | |
| Voltage - Isolation | 4000Vrms | |
| ECCN | EAR99 | |
| Grade | Automotive | |
| Mounting Type | Surface Mount | |
| Voltage - Output (Max) | 20V | |
| Series | RΒ²Couplerβ’ | |
| Qualification | AEC-Q100 | |
| HTSUS | 8541.49.8000 | |
| Package | Tube | |
| Vce Saturation (Max) | - | |
| Current - Output / Channel | 8mA | |
| Turn On / Turn Off Time (Typ) | 150ns, 500ns | |
| Current - DC Forward (If) (Max) | 20 mA | |
| Base Product Number | ACPL-M43 |
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