Q62702-P1715 데이터 시트보기 (PDF) - Siemens AG

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Q62702-P1715

Plastic Fiber Optic Transmitter Diode Plastic Connector Housing

Siemens AG 

SFH 756

SFH 756V

Maximum Ratings (cont’d)

Parameter

Forward current

Surge current

t ≤ 10 µs, D = 0

Power dissipation

Thermal resistance, junction/air

Symbol

IF

IFSM

Ptot

RthJA

Values

Unit

50

mA

1

A

120

mW

450

K/W

Characteristics (TA = 25 °C)

Parameter

Peak wavelength

Spectral bandwidth

Switching times (RL = 50 Ω, IF = 50 mA)

10 % … 90 %

90 % … 10 %

Capacitance (f = 1 MHz, VR = 0 V)

Forward voltage (IF = 50 mA)

Output power coupled into plastic fiber

(IF = 10 mA) see Note 1

Temperature coefficient ΦIN

Temperature coefficient VF

Temperature coefficient λPeak

Symbol

λPeak

∆λ

Values

Unit

660

nm

25

nm

tR

0.1

µs

tF

0.1

µs

CO

30

pF

VF

2.1 (≤ 2.8) V

ΦIN

200 (≥ 100) µW

TCΦ

− 0.4

%/K

TCV

−3

mV/K

TCλ

0.16

nm/K

Note 1: The output power coupled into plastic fiber is measured with a large area detector at

the end of a short length of fiber (about 30 cm). This value must not be used for

calculating the power budget for a fiber optic system with a long fiber because the

numerical aperture of plastic fibers decreases on the first meters. Therefore the fiber

seems to have a higher attenuation over the first few meters compared with the

specified value.

Semiconductor Group

89

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