Conditioning: roll. CTR: 100...200 %. Diode IF: 60mA. Courant IF Diode (peak): 2.5A. Diode Power: 0.1W. Diode threshold voltage: 1.25V. Collector current: 50mA. Ic(pulse): 100mA. Marking on the case: SFH6156-3. Output: transistor output. Pitch: 10.03mm. Pd (Power Dissipation, Max): 150mW. RoHS: yes. Assembly/installation: surface-mounted component (SMD). Tf (type): 14us. Housing: SMD. Housing (according to data sheet): SMD-4. Tr: 3us. Operating temperature: -55...+150°C. Saturation voltage VCE(sat): 0.25V. Vrms: 5300V. Number of terminals: 4. Note: VDE, UL, cUL, BSI, FIMKO. Conditioning unit: 1000. Spec info: cut-off frequency 250kHz