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Miniature Solar Cells

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  • MSCM-4.5-12.5

  • YIM

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1.Description

MSCM-4.5-12.5 is a miniature photovoltaic cell power generation module, using 2 aerospace three-junction gallium arsenide solar cells with an average conversion efficiency of 29.0% (AM0, 1sun, 136.7mW/cm2, 25℃). When used on the ground, the standard design voltage is 4.5V, and the working current is 12.5mA. It can be used as a primary power supply to directly power storage batteries and electronic products in areas such as wearables and the Internet of Things.

2.Feature

 High-efficiency, lightweight and thin;

 Sealed, waterproof;

 Good barrier function

 Good performance under weak light;

 Good environmental adaptation;


3. Structure

MSCM-4.5-12.5 is mainly composed of printed circuit boards, gallium arsenide solar cells, EVA glue and TPT film; it adopts the integrated design of structure and circuit, cooperates with advanced packaging technology, has high integration, stable and reliable performance, and can meet various requirements. The requirements for use in a complex natural environment.

4.Design Parameter

Parameter

Value

Units

Length

21.50-0.1

mm

Wide

110-0.1

mm

Thickness

1.00-0.1

mm

Weight

0.440-0.05

g

Dustproof and waterproof

IP67

/

Temperature tolerance

-80~+80

Service life

8

year

5.Electrical Characteristics

Parameter

Value

Units

Isc

16.0

mA

Voc

5.25

V

Imp

15.2

mA

Vmp

4.53

V

Pmp

68.8

mW

Area specific power

29.1

mW/cm2

Weight specific power

156.4

mW/g

@AM0(136.7mW/cm2, 25℃)

6.IV Curve

189a84c8425ed10c21fe2185370cf195

7.Product photograph

20170606071501_22867

39985620_2056567697721123_699389824485818368_o

507b9aa7be7254deb4cd6bc35ac23c49

8.Temperature Coefficients

Parameter

Value

Units

ΔVoc

-13.0

mV/℃

ΔIsc

0.01

mA/℃

ΔVm

-13.2

mV/℃

ΔIm

0.01

mA/℃

9.Notification

The product is the segmented absorption and utilization of the full spectrum of sunlight, and its performance cannot be normally output under non-full spectrum light sources such as indoor LED lights and fluorescent lights;

Product performance test should be carried out under natural sunlight, or simulated light source similar to natural light;

The performance indicators listed in this manual have been obtained through rigorous testing and should be correct. However, the performance of the representative product in a specific working environment cannot be guaranteed.


Shanghai YIM of Space Power-sources specializes in supplying China Aerospace Group (CASC) space solar cell products. Shanghai YIM main tasks cover the design, supply, test and new product research of...

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