VSMB2948RG datasheet(2/8 Pages) VISHAY

2 / 8 page

VSMB2948RG, VSMB2948G

www.vishay.com

Vishay Semiconductors

Rev. 1.0, 17-May-13

Document Number: 84201

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Fig. 1 - Power Dissipation Limit vs. Ambient Temperature

Fig. 2 - Forward Current Limit vs. Ambient Temperature

100

120

140

160

180

1020

3040506070

8090100

21343

amb - Ambient Temperature (°C)

thJA = 250 K/W

100

120

203040

50607080

90 100

21344

thJA = 250 K/W

amb - Ambient Temperature (°C)

BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Forward voltage

IF = 100 mA, tp = 20 ms

1.15

1.35

1.6

IF = 500 mA, tp = 100 μs

1.8

Temperature coefficient of VF

IF = 1 mA

TKVF

- 1.5

mV/K

Reverse current

VR = 5 V

μA

Junction capacitance

VR = 0 V, f = 1 MHz, E = 0 mW/cm2

Radiant intensity

IF = 100 mA, tp = 20 ms

mW/sr

IF = 500 mA, tp = 100 μs

mW/sr

Radiant power

IF = 100 mA, tp = 20 ms



Temperature coefficient of radiant power

IF = 1 mA



- 1.1

%/K

Angle of half intensity



± 25

deg

Peak wavelength

IF = 30 mA



920

940

960

Spectral bandwidth

IF = 30 mA



Temperature coefficient of



IF = 30 mA



0.25

nm/K

Rise time

IF = 100 mA, 20 % to 80 %

Fall time

IF = 100 mA, 20 % to 80 %

Cut-off frequency

IDC = 70 mA, IAC = 30 mA pp

MHz

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