Product Description
The KW715 series reflective assembly integrates a GaAs LED and a Photologic sensor within an IR transmissive housing. Designed to detect paper at 0.5" (12.7 mm), these sensors offer a wide operating distance range, capable of detecting reflective objects at varying distances dependent on the material's reflectivity. They serve as replacements for conventional mechanical limit switches where longevity and reliability are paramount. The sensors feature a snap-mount design for 20-gauge material (0.036" thick) with a 0.315" x 0.472" (8.0 mm x 12.0 mm) rectangular opening. The panel-mount plastic housing shields stray light and terminates with 18" (457 mm) UL-approved 26 AWG wire leads. The internal current-limited LED offers convenience. Output options include Totem-Pole or OC Open-Collector, with inverted output configurations available for both.
Product Attributes
- Brand: TT Electronics
- Product Line: Photologic
- Model Series: KW715, KW716, KW717, KW718
- Certifications: UL Approved (26 AWG wire leads)
- Housing Material: Plastic
Technical Specifications
| Part Number | LED Peak Wavelength | Sensor Type | Reflective Distance (inch/mm) | Lead Length / Gauge | Output Configuration | Color-Pin Assignment |
| KW715 | 890 nm | Totem-Pole | 0.50" (12.7) | 18" / 26 AWG Wire | Buffered Totem-Pole | Orange-V, White-Output, Violet-Ground |
| KW716 | 890 nm | Open-Collector | 0.50" (12.7) | 18" / 26 AWG Wire | Buffered Open-Collector | Orange-V, White-Output, Violet-Ground |
| KW717 | 890 nm | Totem-Pole | 0.50" (12.7) | 18" / 26 AWG Wire | Inverted Totem-Pole | Orange-V, White-Output, Violet-Ground |
| KW718 | 890 nm | Open-Collector | 0.50" (12.7) | 18" / 26 AWG Wire | Inverted Open-Collector | Orange-V, White-Output, Violet-Ground |
Absolute Maximum Ratings (TA = 25C unless otherwise noted)
| Parameter | Symbol | Rating |
| Storage & Operating Temperature Range | Tstg, Topr | -40C to +85C |
| Supply Voltage (not to exceed 2 seconds) | Vs | 10 V |
| Power Dissipation(1) | Pd | 300 mW |
| Output Voltage (Open-Collector Only) | Vo | 35 V |
Electrical Characteristics (TA = 25C unless otherwise noted)
| Parameter | Symbol | KW715/KW717 | KW716/KW718 | Units | Conditions |
| Operating Supply Voltage | Vs | 4.75 - 5.25 | 4.75 - 5.25 | V | - |
| Low-Level Supply Current | Is | -30 | -30 | mA | Vs = 5.0 V, Output open |
| High-Level Supply Current | Is | -50 | -50 | mA | Vs = 5.0 V, Output open |
| Output Current High Level | Ioh | -100 | -100 | A | Vs = 30 V, Is = 1 mA/cm |
| Short Circuit Output Current | Ios | -100 | -100 | mA | Vs = 5.0 V, Ts = 5 s |
| High Level Output Voltage | Voh | 2.1 | 2.1 | V | Vs - Is = 1 mA/cm |
| Low Level Output Voltage | Vol | 0.4 | 0.4 | V | Is = 16 mA, Is = 0 |
