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Siemens Reliability
When it comes to reliable and environmentally-friendly generation of electrical power from sunlight, solar modules from Siemens provide the perfect solution. Manufactured in compliance with the most stringent quality standards, they are designed to withstand the toughest environmental conditions and are characterized by their long service life.

The SP18 datasheet is also available in the Adobe Acrobat (.PDF) format.

SP18

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 temperature2

Change of Isc with temperature,

Change of Voc with temperature,

Qualification Test Parameters3

Temperature cycling range

Humidity, freeze, damp heat condition

Maximum system voltage

Wind loading or surface pressure

Maximum distortion4

Hailstone impact withstand
(diameter @ velocity)

Physical Parameters

Number of series cells

Length

Width

Depth

Weight

Warranty5

Power >= 90% of minimum power

 

[Watts]

[Watts]

[Amps]

[Volts]

[Amps]

[Volts]

 

[°C]

 

 

 

[°C]

[% RH]

[Volts]

[N/m²] (PSF)

[degrees]

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

 

 

[mm] (in)

[mm] (in)

[mm] (in)

[kg] (lbs)

 

[Years]

SP18

12V

6V*

18

16

1.1

17.0

1.2

21.7

2.1

8.5

2.4

10.9

 

45

+2.06mA/°C (+0.04%/°K)

-0.077 Volts/°C (-0.34%/°K)

 

-40 to +85

85

1000 per ISPRA (EC),
600 per UL 1703

2400 (50)

1.2

25 @ 23
(1.0 @ 52)

 

36

633 (24.9)

275 (10.8)

34 (1.3)

2.7 (5.9)

 

10

*

If the designer chooses to use the 6-volt version in a high voltage array configuration, the designer must install custom large bypass diodes and heat sinks around every 6-volt parallel string.

1

Determined under standard test conditions (STC): Irradiance = 1000w/m² cell temperature = 25 °C; solar spectral irradiance per ASTM E892 (Air Mass = 1.5).

2

Determined under nominal operating conditions (NOC): Irradiance = 800 w/m² ambient temperature = 20 °C; wind speed = 1m/s.

3

Qualification Tests performed as per CEC 503 Test Specification, to ensure durability and performance in outdoor conditions.

4

Diagonal lifting of module corner with three corners fixed.

5

To original consumer purchaser. See full Limited Warranty for all conditions.
 

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