www.hamamatsu.com

Si PIN photodiode

Large photosensitive area (5 × 5 mm) photo-

sensor with high reliability

S7478

1

Automobile sensor

(Vehicle and traffic information system, laser radar,

front window frost sensor, rain sensor)

FSO (free space optics)

Large photosensitive area: 5 × 5 mm

Operating temperature range: -40 to +85 °C

Storage temperature range: -40 to +100 °C

High sensitivity: 0.72 A/W (

λ=960 nm)

Features

Applications

Absolute maximum ratings

Parameter

Symbol

Condition

Specification

Unit

Reverse voltage

20

V

Operating temperature

Topr

-25 to +85

°C

Storage temperature

Tstg

-40 to +100

°C

Reflow soldering conditions

-

Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the

product within the absolute maximum ratings.

*1: JEDEC level 5a

The S7478 is a PIN photodiode having a large photosensitive area (5 × 5 mm) and surface mount flat package with leads.

Electrical and optical characteristics (Ta=25 °C)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Spectral response range

λ

-

320 to 1100

-

nm

Peak sensitivity wavelength

λp

-

960

-

nm

Photosensitivity

S

λ=λp

0.6

0.72

-

A/W

Short circuit current

Isc

100 lx, 2856 K

-

26

-

μA

Dark current

-

0.4

5

nA

-

1.14

-

Cutoff frequency

fc

-3 dB, λ=780 nm

10

20

-

MHz

Terminal capacitance

Ct

-40

60

pF

Structure

Parameter

Specification

Unit

Photosensitive area

5 × 5

mm

Package

Plastic

-

Window material

Silicone resin

-