50GHz 850nm photodetector     


The M-WPDM-50G-MM is a high-performance photodetector optimized for the 850 nm wavelength band, with a broad operating wavelength range of 750–1650 nm for high-speed RF-to-optical signal conversion.It features an integrated internal bias circuit and 50 Ω impedance matching, delivering a 3 dB bandwidth of ≥45 GHz and a responsivity of ≥0.3 A/W at 850 nm.The M-WPDM-50G-MM is ideal for 850 nm optical communications, high-speed RF/optical signal conversion, and advanced test and measurement systems.



製品 モデル


名称 モデル 価額
50GHz 850nm photodetector   [PDF]  [RFQ]

M-WPDM-50G-MM
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パラメータ


特長

● High bandwidth

● Broad spectral response

● Low dark current

● High responsivity

仕様

Specifications

Parameter

Symbol

Test condition

Least value

Representative value

Crest value

Unit

Operating wavelength

λ


750


1650

nm

 

Responsivity

 

R

λ=785 nm3

0.3

0.35


 

 

A/W

λ=850 nm3

0.3

0.35


λ=1310 nm4

0.7

0.75




λ=1550 nm4

0.65

0.7



Dark current

Id

Vr   =+1.5 V


20

50

nA

3dB bandwidth 1

BW

Vr=   +1.5 V,PRF= - 10 dBm, P opt= 0 dBm

40

50


GHz

RF return loss

S22

Vr   =+1.5 V


- 105 , -56


dB

Saturation optical power 2

Psat

Vr   =+1.5 V


6


dBm

Note: Unless otherwise specified, the test temperature is 25 ± 3°

1 Test at delivery with λ= 1550;

2 Test at λ=1550 during delivery.

3 Multi-mode OM3 optical fiber input

4 Single-mode SMF optical fiber input

5 Up to 30 GHz

6 Up to 50 GHz


Typical Test Curve

850 nm photodetector1.png


Absolute Maximum Ratings

Parameter Name

Symbol

Nominal value

Unit

Luminous power

Ps

10

dBm

Bias voltage

Vr

6

V

Working temperature

Top

-40 ~ +70

Storage temperature

Tstg

-55 ~ +85



寸法およびピン定義

850 nm photodetector.png

unit: mm


Pin Name

Interface Definition

Remarks

BIAS

DC bias

+1+3   V; recommended: +1.5 V

GND

GND

0V

RF

RF output

1.85 mm coaxial connector (male)

Light

Optical input

OM3   multimode fiber, FC/APC connector


Precautions for Use

● Necessary ESD protection measures should be implemented to prevent static electricity- induced damage.

● Do not pull the tail fiber directly to avoid damaging the components.

● Keep the optical connector clean to prevent dust or other foreign particles from contaminating it and affecting its performance.


注文情報

M-

W

PD

M

-

-



Product Type

PD:   Photodetector

Package

3dB   bandwidth;  50G refers to 50 GHz 850   detector

Pigtail   fiber type: MM indicates OM3 multimode fiber.


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