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CIS Thin-Film Module
The Siemens ST40 solar (photovoltaic) module uses Siemens Solars industry-leading Copper Indium Diselenide (CIS) thin-film technology to efficiently create electricity from sunlight.

The ST40 performs efficiently in all operational conditions. Its distinctive ability to deliver battery-charge power levels in low-light situations makes it particularly effective for specialized applications and in adverse or changeable environments.

The ST40 datasheet is also available in the Adobe Acrobat (.PDF) format.

st40 module

ST40

Electrical Parameters 1

Maximum power rating

Minimum power rating

Rated current

Rated voltage

Short circuit current

Open circuit voltage

Pmax

Pmin

Imp

Vmp

Isc

Voc

Thermal Parameters

Nominal operating cell temperature

Temp. coefficient:short-circuit current

Temp. coefficient:short-circuit voltage

Qualification Test Parameters

Temperature cycling range

Maximum system voltage

Wind loading or surface pressure

Maximum distortion

Hailstone impact withstand
(diameter @ velocity)

Weight

Warranty5

Power >= 90% of minimum power

 

[Watts]

[Watts]

[Amps]

[Volts]

[Amps]

[Volts]

 

[C]

 [C]

 [C]

 

[C]

[Volts]

[N/m] (PSF)

[degrees]

[in @ mm]
(MPH @ m/s)

[kg] (lbs)

 

[Years]

ST40

12V

40

34.4

2.41

16.6

2.59

22.2

 

472

.26mA/C

-0.1V/C

 

-40 to +85

25.0

2400 (50)

1.2

1.0 [25]
52  [v=23]

5.2 [2.4]

 

5

 

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