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The SFH610A-2 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes a DIP-4 through-hole package. The device provides high isolation voltage of 5300 Vrms and supports a maximum forward current of 60 mA with a forward voltage of 1.65 V. Key electrical parameters include a collector-emitter voltage of 70 V, a collector current of 100 mA, and a power dissipation of 150 mW. The current transfer ratio ranges from 63% to 125%, with rise and fall times of 3 µs and 14 µs respectively. Operating temperature spans from -55°C to +100°C.
Verify the specific suffix (e.g., X001) against the datasheet to ensure compatibility with required CTR bins and packaging formats. Confirm RoHS compliance status as detailed in official documentation. Cross-reference manufacturer part numbers with distributor codes to avoid ordering errors due to naming variations or obsolete aliases.
Select this component when high isolation voltage and moderate speed are required. Compare current transfer ratio requirements against the 63-125% range. Ensure the DIP-4 package fits the PCB layout constraints. Consider thermal limits given the 150 mW power dissipation rating at elevated temperatures up to 100°C.
This part belongs to the SFH610 series of transistor output optocouplers. It is functionally related to other variants like SFH610A-3 which offer different CTR ranges. The series is designed for general-purpose isolation tasks where reliability and high voltage withstand are critical specifications for electronic circuit protection.
VO610A-2 is listed as a recommended alternative. Verify pinout compatibility and electrical parameter equivalence before substitution.