Gallium arsenide infrared reflective sensor OPTEK OPB710F with filtered diode and silicon phototransistor output
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Product Description
Reflective Object Sensor KW710, KW710&, KW730, KW730&
The KW710 series reflective object sensors are designed for non-contact object detection. These sensors utilize a gallium arsenide infrared emitting diode paired with either a silicon phototransistor (KW710/KW710&) or a silicon photodarlington (KW730/KW730&). They are housed in a standard TO-72 header with a black plastic sleeve filled with encapsulating epoxy. The "F" versions (KW710F/KW730F) incorporate a filtering material to reduce ambient light interference. An internal barrier prevents direct diode emission from reaching the sensor. Custom electrical, wire, cabling, and connector options are available.
Applications:
- Non-contact reflective object sensor
- Assembly line automation
- Machine automation
- Machine safety
- End of travel sensor
- Door sensor
Features:
- Choice of phototransistor or photodarlington output
- Unfocused for sensing diffuse surfaces
- Mounted on standard TO-72 header
- Available in clear encapsulating epoxy (KW710, KW730)
- Filtered to reduce the effect of visible or fluorescent light (KW710F, KW730F)
Product Attributes:
- Brand: TT Electronics / OPTEK Technology
- Origin: USA
- Material: Gallium Arsenide Infrared Emitting Diode, Silicon Phototransistor/Photodarlington, Epoxy
- Color: Black plastic sleeve, clear epoxy
- Package: TO-72 Header
Technical Specifications:
| Part Number | Peak Wavelength | Sensor Type | Reflection Distance | Emitter Forward Current (mA) | Emitter Peak Forward Current (mA) | Emitter Reverse Voltage (V) | Emitter Power Dissipation (mW) | Collector-Emitter Voltage (V) | Emitter-Collector Voltage (V) | Collector Current (mA) | Phototransistor Breakdown Voltage (V) | Photodarlington Breakdown Voltage (V) | Collector Dark Current (nA) | Crosstalk (nA) | On-State Collector Current (mA) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KW710 | 935 nm | Transistor | 0.250" (6.35mm) | 50 | 3 | 3 | 75 | 30 | 5 | 25 | 30 | - | 100-250 | 100-500 | 150 |
| KW710F | 935 nm | Transistor | 0.250" (6.35mm) | 50 | 3 | 3 | 75 | 30 | 5 | 25 | 30 | - | 100-250 | 100-500 | 150 |
| KW730 | - | Darlington | - | 50 | 3 | 3 | 75 | 15 | 5 | - | - | 15 | 100-250 | 100-500 | - |
| KW730F | - | Darlington | - | 50 | 3 | 3 | 75 | 15 | 5 | - | - | 15 | 100-250 | 100-500 | - |
Absolute Maximum Ratings (Ta = 25C unless otherwise noted):
| Parameter | Storage Temperature Range | Operating Temperature Range | Lead Solder Temperature | Input Diode Forward Current | Input Diode Peak Forward Current | Input Diode Reverse Voltage | Input Diode Power Dissipation | Collector-Emitter Voltage | Emitter-Collector Voltage | Collector Current | Power Dissipation |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | -20C to +85C | 0C to +70C | 260C (for 5 sec) | 50 mA | 3 A (1 s pulse) | 3 V | 75 mW | 30 V (KW710/KW710&), 15 V (KW730/KW730&) | 5 V | 25 mA | 150 mW |
Electrical Characteristics (Ta = 25C unless otherwise noted):
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Diode | VF | IF = 50 mA | - | 1.5 | - | V |
| IR | VR = 3 V | - | - | 100 | A | |
| Output Phototransistor | V(BR)CEO | IC = 1 mA | 30 | - | - | V |
| V(BR)ECO | IE = 100 A | 5 | - | - | V | |
| IC(OFF) | VCE = 5 V, IF = 0, Ambient Light Excluded | - | 100 (KW710/KW710&), 250 (KW730/KW730&) | - | nA | |
| Crosstalk | IX | IF = 50 mA, VCE = 5 V (No Reflecting Surface) | - | 100 (KW710/KW710&), 500 (KW730/KW730&) | - | nA |
| On-State Collector Current | ION | IF = 50 mA, VCE = 5 V, d = 0.250" (6.35 mm) | 150 | - | - | A |
Combined Notes:
- (1) RoHS flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering.
- (2) Derate linearly 1.67 mW/C above 25C.
- (3) Derate linearly 3.33 mW/C above 25C.
- (4) Measured using Eastman Kodak neutral white test card having 90% diffuse reflectance located 0.250 inches (6.35 mm) from the face of the KW710/KW730. Reference: Eastman Kodak, Catalog #1527795.
- (5) Crosstalk (IX) is the collector current measured with the indicated current on the input diode and with no reflecting surface. Ambient light is excluded with a black box.
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