Phototransistor – Mouser Singapore

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Part #

Optical Switches, Reflective, Phototransistor Output Infrared Emitter 950nm

MTRS9520
Marktech Optoelectronics
1: $7.97
1,066Expected 18/9/2026

Mfr. Part No.
MTRS9520

Mouser Part No
193-MTRS9520

Marktech Optoelectronics

Optical Switches, Reflective, Phototransistor Output Infrared Emitter 950nm

Learn More

Datasheet

1,066Expected 18/9/2026

$7.97

$5.97

$4.79

$4.27

$3.97

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor high temperature

OPB735C
Optek / TT Electronics
1: $30.30
87Expected 16/9/2026

Mfr. Part No.
OPB735C

Mouser Part No
828-OPB735C

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Object Sensor high temperature

Learn More

Datasheet

87Expected 16/9/2026

$30.30

$24.48

$23.51

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Sensor, Photointerrupters, Transmissive, If (Max)=35 mA, Ic (Max)=30 mA, 30 V, Surface Mount

RPI-0451E
ROHM Semiconductor
1: $1.67
1,800Expected 4/9/2026
End of Life

Mfr. Part No.
RPI-0451E

Mouser Part No
755-RPI-0451E

End of Life

ROHM Semiconductor

Optical Switches, Transmissive, Phototransistor Output Sensor, Photointerrupters, Transmissive, If (Max)=35 mA, Ic (Max)=30 mA, 30 V, Surface Mount

Datasheet

1,800Expected 4/9/2026

Cut Tape

$1.67

$1.43

$1.37

$1.20

Reel

$1.15

View

Min.: 1
Mult.: 1

: 1,000

Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 4mm Gap 8.0x4.2mm

RPI-441C1
ROHM Semiconductor
1: $0.966
995Expected 20/11/2026
End of Life

Mfr. Part No.
RPI-441C1

Mouser Part No
755-RPI-441C1

End of Life

ROHM Semiconductor

Optical Switches, Transmissive, Phototransistor Output PHOTOINTERRUPTER 4mm Gap 8.0x4.2mm

Datasheet

995Expected 20/11/2026

$0.966

$0.813

$0.775

$0.69

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Photo Coupler DIP-4 TUBE 100PCS

DPC816D-B-TU-V
Diodes Incorporated
1: $0.558
800Expected 14/10/2026

Mfr. Part No.
DPC816D-B-TU-V

Mouser Part No
621-DPC816D-B-TU-V

Diodes Incorporated

Transistor Output Optocouplers Photo Coupler DIP-4 TUBE 100PCS

Datasheet

800Expected 14/10/2026

$0.558

$0.302

$0.154

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output PHTOINTRUPTR RFLCTVE PHTOTRNSISTR 4PIN

RPR-359F
ROHM Semiconductor
1: $4.42
180On Order

Mfr. Part No.
RPR-359F

Mouser Part No
755-RPR-359F

ROHM Semiconductor

Optical Switches, Reflective, Phototransistor Output PHTOINTRUPTR RFLCTVE PHTOTRNSISTR 4PIN

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Datasheet

180On Order

$4.42

$3.24

$2.37

$2.23

$2.18

Min.: 1
Mult.: 1

Level Sensors Fluid in-line sensor 0.062" Tube

OPB350L062
Optek / TT Electronics
1: $7.94
767Expected 26/11/2026

Mfr. Part No.
OPB350L062

Mouser Part No
828-OPB350L062

Optek / TT Electronics

Level Sensors Fluid in-line sensor 0.062" Tube

Datasheet

767Expected 26/11/2026

$7.94

$7.52

Min.: 1
Mult.: 1

Level Sensors Fluid in-line sensor .250" Tube

OPB350L250
Optek / TT Electronics
1: $7.94
378Expected 11/9/2026

Mfr. Part No.
OPB350L250

Mouser Part No
828-OPB350L250

Optek / TT Electronics

Level Sensors Fluid in-line sensor .250" Tube

Datasheet

378Expected 11/9/2026

$7.94

$7.52

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB365P55
Optek / TT Electronics
1: $4.98
999Expected 1/12/2026

Mfr. Part No.
OPB365P55

Mouser Part No
828-OPB365P55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

999Expected 1/12/2026

$4.98

$4.22

$4.16

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Emitter/Sensor Assem

OPB700Z
Optek / TT Electronics
1: $12.74
798On Order

Mfr. Part No.
OPB700Z

Mouser Part No
828-OPB700Z

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Emitter/Sensor Assem

Datasheet

798On Order

$12.74

$12.20

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB732
Optek / TT Electronics
1: $6.27
500Expected 22/9/2026

Mfr. Part No.
OPB732

Mouser Part No
828-OPB732

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

500Expected 22/9/2026

$6.27

$5.68

$5.45

$5.44

Quote

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM

OPB810L51
Optek / TT Electronics
1: $4.07
982On Order

Mfr. Part No.
OPB810L51

Mouser Part No
828-OPB810L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output .375" WIDE GAP 890NM

Datasheet

982On Order

$4.07

$3.88

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch

OPB815L
Optek / TT Electronics
1: $4.13
2,000Expected 27/11/2026

Mfr. Part No.
OPB815L

Mouser Part No
828-OPB815L

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Deep Gap Slotted Opt Switch

Datasheet

2,000Expected 27/11/2026

$4.13

$3.93

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB821S10Z
Optek / TT Electronics
1: $7.93
547Expected 3/11/2026

Mfr. Part No.
OPB821S10Z

Mouser Part No
828-OPB821S10Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

547Expected 3/11/2026

$7.93

$7.55

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB821S3Z
Optek / TT Electronics
1: $7.93
360On Order

Mfr. Part No.
OPB821S3Z

Mouser Part No
828-OPB821S3Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

360On Order

$7.93

$7.52

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH

OPB821Z
Optek / TT Electronics
1: $7.83
571On Order

Mfr. Part No.
OPB821Z

Mouser Part No
828-OPB821Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output SLOTTED SWITCH

Datasheet

571On Order

$7.83

$7.52

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel

OPB826S
Optek / TT Electronics
1: $10.31
199Expected 15/9/2026

Mfr. Part No.
OPB826S

Mouser Part No
828-OPB826S

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch Dual Channel

Datasheet

199Expected 15/9/2026

$10.31

$9.97

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB829AZ
Optek / TT Electronics
1: $5.88
1,570On Order

Mfr. Part No.
OPB829AZ

Mouser Part No
828-OPB829AZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

1,570On Order

$5.88

$5.67

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

OPB829CZ
Optek / TT Electronics
1: $5.68
1,439Expected 8/9/2026

Mfr. Part No.
OPB829CZ

Mouser Part No
828-OPB829CZ

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Output Phototranstr Input Diode

Datasheet

1,439Expected 8/9/2026

$5.68

$5.48

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB830L11
Optek / TT Electronics
1: $4.96
1,300On Order

Mfr. Part No.
OPB830L11

Mouser Part No
828-OPB830L11

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

1,300On Order

$4.96

$4.68

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840L51
Optek / TT Electronics
1: $4.58
500Expected 3/11/2026

Mfr. Part No.
OPB840L51

Mouser Part No
828-OPB840L51

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

500Expected 3/11/2026

$4.58

$3.89

$3.85

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB840L55
Optek / TT Electronics
1: $4.19
500Expected 16/10/2026

Mfr. Part No.
OPB840L55

Mouser Part No
828-OPB840L55

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

500Expected 16/10/2026

$4.19

$3.96

Min.: 1
Mult.: 1

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

OPB842W55Z
Optek / TT Electronics
1: $6.60
1,137On Order

Mfr. Part No.
OPB842W55Z

Mouser Part No
828-OPB842W55Z

Optek / TT Electronics

Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch

Datasheet

1,137On Order

$6.60

$6.23

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB704GWZ
Optek / TT Electronics
1: $6.39
295Expected 27/11/2026

Mfr. Part No.
OPB704GWZ

Mouser Part No
828-OPB704GWZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

295Expected 27/11/2026

$6.39

$6.05

Min.: 1
Mult.: 1

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

OPB755TAZ
Optek / TT Electronics
1: $7.44
199Expected 1/9/2026

Mfr. Part No.
OPB755TAZ

Mouser Part No
828-OPB755TAZ

Optek / TT Electronics

Optical Switches, Reflective, Phototransistor Output Reflective Sensor

Datasheet

199Expected 1/9/2026

$7.44

$7.25

Min.: 1
Mult.: 1

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