The SFH6106-3X001T: ROHS3 compliant, which covers the full RoHS exemption set including lead in solder — no special handling or exemption expiry to track for EU compliance.
Isolation and signal transfer — the 5300Vrms and CTR
5300Vrms isolation is the reinforced-grade rating for a single-channel optocoupler — it passes the 1-minute hi-pot test per IEC 60950-1 reinforced insulation requirements, so it fits into power-supply feedback loops, motor-drive gate drive interfaces, and medical equipment where galvanic separation between primary and secondary circuits is mandatory. Current transfer ratio spans 100% to 200% at 10 mA forward current. The 100% minimum guarantees that with 10 mA in the LED, the output transistor can sink at least 10 mA — useful for driving logic inputs or low-power relays without an external buffer. The 200% ceiling means the CTR is tightly binned; you do not have to overdrive the LED to cover a wide CTR spread across temperature. Switching speed: 2 µs rise and fall times typical, with turn-on at 3 µs and turn-off at 2.3 µs. This is a standard-speed phototransistor coupler — adequate for 10–100 kHz switching in IGBT gate drive feedback or isolated serial communication, but not for high-speed digital isolation beyond a few hundred kHz.
Output drive and temperature range
Output transistor rated 50 mA continuous per channel with a 70 V collector-emitter breakdown. The 400 mV Vce(sat) at rated current keeps conduction loss low — at 50 mA the drop is only 20 mW, negligible for most loads. Operating temperature from -55°C to +100°C — industrial grade. The -55°C floor suits outdoor telecom cabinets and cold-chain equipment; the +100°C ceiling is below the +125°C automotive grade but still covers most industrial enclosures.
4-SMD Gull Wing package, surface-mount. The Gull Wing leads are visible for post-reflow inspection and rework-friendly with standard hot-air tools. The 4-SMD footprint is shared across many Vishay optocouplers in this family, so a single PCB pad pattern can serve multiple CTR bins. Cut Tape works for prototypes or small-batch builds.