50μm A-5.7 2G InGaAs APD TO46
Model Number: BLAPD-PFA1-50AR
Brand Name: Belycomm
Mounting Type: universal type
Description: Coaxial PD Photodiode Devices
Type: PHOTODIODE
- Product Introduction
Video Description
Product Overview
Core Advantages
- High Responsivity: At 1310nm (M=1, φe=1μW), it ensures accurate weak-signal detection – critical for OTDR photodiode applications requiring long-distance fiber fault monitoring. This eliminates post-purchase debugging, reducing your production downtime.
- Low Dark Current: Minimizes signal noise in CATV InGaAs APD systems, guaranteeing clear TV signal transmission across large networks.
- Low Capacitance: Optimized for high-frequency performance (tested at Vr=Vbr-3V, f=1MHz), ensuring compatibility with your existing high-speed circuits.
- Laser Welding & Long Lifespan: Enhances mechanical stability and operational durability, lowering maintenance costs for clients with large-scale installations.
- Universal Mounting & RoHS Compliance: The universal type mounting fits most standard fixtures, while RoHS certification meets eco-friendly procurement requirements for global markets.
Application Scenarios
- CATV Systems: As a reliable InGaAs APD for CATV, this diode delivers low dark current (≤10nA) and high optical return loss (≥40dB) to eliminate signal noise and reflection. It ensures clear transmission of digital TV signals across miles of fiber, making it ideal for CATV equipment manufacturers procuring components for bulk network deployments.
- OTDR Equipment: For OTDR photodiode procurement, the BLAPD-PFA1-50AR's high responsivity (0.75A/W) and multiplication factor (≥10) enable accurate detection of fiber optic faults (e.g., breaks, attenuation).
- LIDAR Technology: With 2GHz bandwidth and low capacitance (≤0.5pF), this diode is a top choice for LIDAR InGaAs APD procurement. It captures high-speed optical signals to support real-time 3D mapping in autonomous vehicles, drones, and industrial robots.
Packaging and delivery
| Selling Units | Single item |
| Single package size | 20.0*14.0*5.00 cm |
| Single gross weight | 0.025 Kg |
| Shipping Method |
DHL/UPS/FedEx/Freight Forwarder (You can choose the shipping method according to your requirements) |
Lead time
| Quantity (pieces) | 1 - 100 | 101 - 1000 | 1001 - 10000 | > 10000 |
| Lead time (days) | 7-14 | 20-28 | 30-45 | To be negotiated |
Specification
Absolute Maximum Ratings (Tc=25℃)
|
Parameter |
Symbol |
Min. |
Type |
Max. |
Unit |
|
Forward Current |
If |
- |
- |
3 |
mA |
|
Reverser Voltage |
Vr |
- |
- |
50 |
V |
|
Operating Case Temperature |
Top |
-40 |
- |
+85 |
ºC |
|
Storage Temperature |
Tstg |
-40 |
- |
+85 |
ºC |
|
Lead Soldering(Temperature/Time) |
- |
- |
260/ 10 |
- |
ºC/Sec |
Transmitter Optical and Electrical Characteristics (Tc=25℃)
|
Parameter |
Symbol |
Min. |
Type |
Max. |
Unit |
Test condition |
|
Operating Wavelength |
λ |
1100 |
- |
1650 |
nm |
|
|
Reverser |
Vbr |
40 |
- |
50 |
V |
Id = 10μA, φe=0μW |
|
Responsivity |
R |
0.70 |
0.75 |
- |
A/W |
λ= 1310nm,φe= 1μw, M= 1 |
|
Multiplication factor |
M |
10 |
|
|
|
Vr=Vbr-3V, λ= 1310nm, φe= 1uW |
|
Dark Current |
Id |
- |
- |
10 |
nA |
VR=Vbr-3, φe=0μW |
|
Capacitance |
C |
- |
- |
0.5 |
pF |
Vr=Vbr-3,f= 1MHz |
|
Bandwidth |
BW |
2.0 |
- |
- |
GHz |
VR=Vbr-3,RL=50Ω , λ= 1550nm |
|
Optical Return Loss |
RL |
40 |
dB |
λ= 1310nm |
Outline Diagram and Pin Assignment

Order Information
|
-X |
X |
X |
-X |
X |
X |
-X |
(X) |
|
Packaging method |
Connection mode |
Protective tube |
Active area |
Pins |
ROHS |
Specific |
Remarks |
|
P :Pigtail type |
FA:FC/APC |
1 :Black tube |
45:φ45um 55:φ55um 60:φ60um 70:φ70um |
A:Type A B:Type B |
R:Passed |
K:With the shell |
Product Packaging




Company Profile




Quality management and patent certificates


FAQ
Q1:Are you a manufacturer or a trading company?
A:We are a manufacturer of more than 10 years export experience,with a professional R&D team and sales team. Our company was established in 2004.
Q2:Do you provide samples?
A:Yes, warmly welcome to us for sample testing.
Q3:What is delivery time if we place an order?
A:It depends order quantities.Usually,we can deliver goods within 10-15 working days,for more QTY order,let's confirm when you place official order.
Q4:Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery.
Q5:How to deal with the faulty?
A:Firstly,Our products are produced in strict quality control system and the defective rate will be less than 0.2% Secondly,during the guarantee period,we will check the problem and confirm the solution including re-call according to real situation.
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