Module Type

SUN640-66HBD

SUN645-66HBD

SUN650-66HBD

SUN655-66HBD

SUN660-66HBD

STC NOCT

STC

NOCT

STC

NOCT

STC

NOCT

STC

NOCT

Maximum Power (Pmax)

640Wp 480Wp

645Wp

484Wp

650Wp

487Wp

655Wp

491 Wp

660Wp

495Wp

Maximum Power Voltage (Vmp)

37.50V 35.20V

37.70V

35.30V

37.90V

35.50V

38.10V

35.70V

38.30V

35.90V

Maximum Power Current (Imp)

17.07A 13.64A

17.11A

13.72A

17.16A

13.74A

17.20A

13.76A

17.24A

13.79A

Open-circuit Voltage (Voc)

44.60V 42.20V

44.80V

42.30V

45.00V

42.50V

45.20V

42.70V

45.40V

42.90V

Short-circuit Current (Isc)

18.31A 14.77A

18.35A

14.80A

18.39A

14.83A

18.43A

14.86A

18.47A

14.89A

Module Efficiency STC (%)

20.60%

20.80%

20.90%

21.10%

21.20%

Operating Temperature (°C)

-40°C~+85°C

ELECTRICAL CHARACTERISTICS WITH DIFFERENT POWER RANGES

Maximum system voltage

1000/1500V (IEC/UL)

SUN640-66HBD

SUN645-66HBD

SUN650-66HBD SUN655-66HBD SUN660-66HBD

Maximum series fuse rating

35A

Rated Max Power(Pmax)

704Wp

710Wp

715Wp

721 Wp

726Wp

Power tolerance

0-+10W

Open Circuit Voltage(Voc)

44.60V

44.80V

45.00V

45.20V

45.40V

Temperature coefficients of Pmax

-0.34%°C

Max Power Voltage(Vmp)

37.50V

37.70V

37.90V

38.10V

38.30V

Temperature coefficients of Voc

-0.26%°C

Short Circuit Current (Isc)

20.14A

20.19A

20.23A

20.27A

20.32A

Temperature coefficients of Isc

0.050%°C

Max Power Current (Imp)

18.78A

18.84A

18.88A

18.93A

18.96A

Nominal operating cell temperature (NOCT) 41 ±3°C

*For NexTracker installations,Maximum Static Load,Front is 2400Pa while Maximum Stactic Load,Back is 2400Pa. *Bifaciality=Pmax₇rear/Rated Pmax,front