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Laser Diode and Photodiode Accessories


  • Sockets for Photodiodes and Laser Diodes
  • Solder-Tail and Pass-Through Designs for Photodiodes
  • ESD-Protected, Strain-Relieved Assemblies Provide Safe
    and Convenient Access to Laser Diodes

SR9A

S8060

8060-2

S8060-4

S7060R

STO8S

STO5P

STO46P

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Thorlabs offers a versatile range of accessories for convenient integration of photodiodes and laser diodes into functional systems. Our photodiode sockets, which can be permanently soldered into your system, are offered in both solder tail and pass-through designs. The pass through design allows leads to pass directly through the receptacle, which eliminates the need to shorten any leads and reduces the risk of damaging your device. Our large selection of photodiode sockets, shown on this page, are compatible with our TO-5, TO-8, TO-18, TO-39, and TO-46 photodiode packages. Laser diode sockets are also available and are ideal for OEM-type implementations. They are compatible with our selection of Ø5.6 mm to Ø9 mm laser diode packages. Our large selection of strain-relieved assemblies provides a convenient method of connecting your Ø5.6 mm to Ø9 mm laser diodes to our line of Laser Diode Drivers.


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Sockets for Photodiodes

  • Sockets Compatible with TO-5, TO-8, TO-18, TO-39, and TO-46 Photodiode Packages
  • Offered in Solder Tail or Pass-Through Receptacle Designs
  • FR4-PCB Base [3.18 mm (0.125") Thick]

Thorlabs offers a variety of photodiode sockets compatible with a range of photodiodes in a TO can package. The STO46S, STO5S, and STO8S have a solder-tail design, which can be permanently soldered into your system. The STO46P, STO5P, and STO8P feature a pass-through receptacle that is designed for diodes with longer leads. These sockets are open at the end and allow leads to pass directly through the socket, eliminating the need to cut the diode leads, which could damage the device.

For both our solder-tail and pass-through sockets, we recommend the socket be soldered prior to installing the photodiode, as heat can damage photodiodes.

Thorlabs' photodiode sockets are compatible with our Unmounted Photodiodes, Pigtailed Photodiodes, Calibrated Photodiodes, and Photoconductors. They are not recommended for use with bandwidths greater than 1 GHz.

Solder Tail SocketsPass-Through Sockets
Photo
(Click to Enlarge)
STO46S STO5S STO8S STO46P STO5P STO8P
Item # STO46S STO5S STO8S STO46P STO5P STO8P
Material Beryllium Copper Beryllium Copper
Compatible Lead Diameters Ø0.015" - Ø0.020" (0.38 mm - 0.51 mm) Ø0.015" - Ø0.020" (0.38 mm - 0.51 mm)
Current Rating 3 A 3 A
Resistance 10 mΩ (Max) 10 mΩ (Max)
Outer Diameter 6.1 mm (0.24") 9.1 mm (0.36") 14.0 mm (0.55") 6.1 mm (0.24") 9.1 mm (0.36") 14.0 mm (0.55")
Substrate Thickness 3.18 mm (0.125") 3.18 mm (0.125")
Operating Temperature -55 to 125 °C -55 to 125 °C
Drawing
(Click for Details)
STO46S STO5S STO8S STO46P STO5P STO8P
Compatible Photodiode Packages TO-46 and TO-18 TO-5 and TO-39 TO-8 TO-46 and TO-18 TO-5 and TO-39 TO-8
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
STO46S Support Documentation
STO46SSolder Tail Photodiode Socket for TO-46 and TO-18 Diodes
$3.79
Today
STO5S Support Documentation
STO5SSolder Tail Photodiode Socket for TO-5 and TO-39 Diodes
$3.77
Today
STO8S Support Documentation
STO8SSolder Tail Photodiode Socket for TO-8 Diodes
$3.86
Today
STO46P Support Documentation
STO46PPass Through Photodiode Socket for TO-46 and TO-18 Diodes
$3.68
Today
STO5P Support Documentation
STO5PPass Through Photodiode Socket for TO-5 and TO-39 Diodes
$3.66
Today
STO8P Support Documentation
STO8PPass Through Photodiode Socket for TO-8 Diodes
$3.74
Today

Sockets for Laser Diodes

  • Sockets Compatible with Ø3.8 mm, Ø5.6 mm, Ø9 mm, or TO-5 Can Laser Diodes
  • Models Available with 3 or 4 Gold-Plated Beryllium Copper (BeCu) Contacts

Thorlabs offers a range of laser diode sockets that provide compatibility with our wide selection of Ø3.8 mm, Ø5.6 mm, Ø9 mm, and TO-5 Can laser diode packages. These sockets have gold-plated BeCu contacts and meet RoHS compliance. The S8060 and S8060-4 sockets have a polarization dot on the top of the package (see drawings below for more information). Colors vary by lot and may be white, off white, black, or tan.

Item # S038S S7060R ST05S S8060 S8060-4
Photo
(Click to Enlarge)
S6070R S6070R S8060 S8060-4
Material Beryllium Copper (BeCu)
Insulator FR-4 PTFE
Compatible Lead Diameters 0.008" - 0.014"
(0.20 mm - 0.36 mm)
0.016" - 0.020"
(0.41 - 0.51 mm)
Ø0.015" - Ø0.020"
(0.38 mm - 0.51 mm)
0.016" - 0.020"
(0.41 - 0.51 mm)
Compatible Lead Lengths ≤0.09" (2.27 mm) ≤0.15" (3.8 mm)
Outer Diameter 0.153" (3.9 mm) 0.20" (5.1 mm) 9.1 mm (0.36") 0.25" (6.4 mm) 0.25" (6.4 mm)
Substrate Thickness 0.093" (2.4 mm) 0.062" (1.6 mm) 3.18 mm (0.125") 0.19" (4.8 mm) 0.19" (4.8 mm)
Drawing
(Click for Details)
S038S S7060R S8060 S8060-4
Compatibility
Laser Diodes Ø3.8 mm Yes x x x x
Ø5.6 mm x Yes x o o
Ø9.0 mm x x x Yes Yes
TO Can Packages TO-5 x x x x
TO-18 x x x o o
TO-46 x x x o o

Yes Fully Compatible
o Not a Perfect Fit, but Functional
x Not Compatible

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
S038S Support Documentation
S038SLaser Diode Socket for Ø3.8 mm Laser, 3 Pin
$3.96
Today
S7060R Support Documentation
S7060RLaser Diode Socket for Ø5.6 mm Laser, 3 Pin
$5.61
Volume Pricing
Today
STO5S Support Documentation
STO5SSolder Tail Photodiode Socket for TO-5 and TO-39 Diodes
$3.77
Today
S8060 Support Documentation
S8060Laser Diode Socket for Ø9 mm Laser, 3 Pin
$6.99
Volume Pricing
Today
S8060-4 Support Documentation
S8060-4Laser Diode Socket for Ø9 mm Laser, 4 Pin
$7.60
Today

ESD Protection and Strain Relief

Item # Supported
Pin Style
Max LD
Forward Voltage
SR9A A and E 3.3 V
SR9B B and H
SR9C C and H
SR9D D
SR9F F and G
SR9HA A and E 7.5 V
SR9HB B and H
SR9HF F and G

Note: A -DB9 at the end of the part number indicates a DB9 connector. Otherwise, the end of the cable is terminated with bare wires.

These strain relief and ESD protection products offer a convenient means of connecting a Ø5.6 mm or Ø9 mm laser diode to many of Thorlabs' laser diode controllers. Each model comes with a laser socket mounted to a small printed circuit board (PCB). The PCB contains a Schottky diode to clamp any reverse voltages that might appear across the laser diode, as well as a Zener diode to shunt any excessive voltages or ESD away from the diode.

Each model corresponds to one or more of the standard Pin Styles for laser diodes (see the diagram below) and is compatible with our Laser Diode Collimation and Focusing Tubes, Ø1/2" Post Mounts, and Cage Plate Mounts. SR9 models are designed for laser diodes with forward voltages up to 3.3 V, while SR9H models are designed for laser diodes with forward voltages up to 7.5 V. Each strain relief is available with or without a DB9 connector. Models with item #'s that end in -DB9 are pin compatible with many of our Laser Diode Controllers (see the strain relief cable and controller pin diagrams to determine compatibility). 

Note: These cables are not designed to provide any temperature regulation. More information on temperature regulating a laser diode is provided in the Laser Diode Tutorial.

Supported Laser Diode Pin Codes
Supported Pin Codes

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SR9A Support Documentation
SR9AESD Protection and Strain Relief Cable, Pin Codes A and E, 3.3 V
$51.00
Today
SR9A-DB9 Support Documentation
SR9A-DB9ESD Protection and Strain Relief Cable, Pin Codes A and E, 3.3 V, with DB9
$54.32
Today
SR9B Support Documentation
SR9BESD Protection and Strain Relief Cable, Pin Codes B and H, 3.3 V
$51.00
Today
SR9B-DB9 Support Documentation
SR9B-DB9ESD Protection and Strain Relief Cable, Pin Codes B and H, 3.3 V, with DB9
$54.32
Today
SR9C Support Documentation
SR9CESD Protection and Strain Relief Cable, Pin Codes C and H, 3.3 V
$51.00
Today
SR9C-DB9 Support Documentation
SR9C-DB9ESD Protection and Strain Relief Cable, Pin Codes C and H, 3.3 V, with DB9
$54.32
Today
SR9D Support Documentation
SR9DESD Protection and Strain Relief Cable, Pin Code D, 3.3 V
$51.00
Today
SR9D-DB9 Support Documentation
SR9D-DB9ESD Protection and Strain Relief Cable, Pin Code D, 3.3 V, with DB9
$54.32
Today
SR9F Support Documentation
SR9FESD Protection and Strain Relief Cable, Pin Codes F and G, 3.3 V
$51.00
Today
SR9F-DB9 Support Documentation
SR9F-DB9ESD Protection and Strain Relief Cable, Pin Codes F and G, 3.3 V, with DB9
$54.32
Today
SR9HA Support Documentation
SR9HACustomer Inspired! ESD Protection and Strain Relief Cable, Pin Codes A and E, 7.5 V
$51.00
Today
SR9HA-DB9 Support Documentation
SR9HA-DB9Customer Inspired! ESD Protection and Strain Relief Cable, Pin Codes A and E, 7.5 V, with DB9
$54.32
Today
SR9HB Support Documentation
SR9HBCustomer Inspired! ESD Protection and Strain Relief Cable, Pin Codes B and H, 7.5 V
$51.00
Today
SR9HB-DB9 Support Documentation
SR9HB-DB9Customer Inspired! ESD Protection and Strain Relief Cable, Pin Codes B and H, 7.5 V, with DB9
$54.32
Today
SR9HF Support Documentation
SR9HFESD Protection and Strain Relief Cable, Pin Codes F and G, 7.5 V
$51.00
Today
SR9HF-DB9 Support Documentation
SR9HF-DB9ESD Protection and Strain Relief Cable, Pin Codes F and G, 7.5 V, with DB9
$54.32
Today
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