# Optical Switch, OPB720B Series, Reflective, 305 mm, Sink, 4 V to 7 V
**URL**: https://novapart.co/products/OPB720B-12Z/optical-switch-opb720b-series-reflective-305-mm
**SKU**: OPB720B-12Z
**Manufacturer**: TT ELECTRONICS / OPTEK TECHNOLOGY
**Price**: €11.4400
**Stock**: 10+
**Lead Time**: 68 days (indicative)
## Description
Sensor Output:Sink; Sensing Range Max:305mm; Supply Voltage DC Min:4V; Supply Voltage DC Max:7V; Output Current:50mA; Product Range:OPB720B Series; SVHC:No SVHC (27-Jun-2018); Lead Lengt
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (27-Jun-2024) |
| Ip Rating | - |
| Output Type | Open Collector |
| Sensor Type | Long Distance Switch |
| Light Source | - |
| Product Range | OPB720B Series |
| Qualification | - |
| Sensing Method | Reflective |
| Connection Method | 990mm Cable |
| Sensing Range Max | 305mm |
| Sensor Output Type | Sink |
| Supply Voltage Max | 7V |
| Supply Voltage Min | 4V |
| Sensing Distance Max | 305mm |
| Supply Voltage Dc Max | 7V |
| Supply Voltage Dc Min | 4V |
| Operating Temperature Max | 70°C |
| Operating Temperature Min | 0°C |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:1652216/)
- 0.04” to 12” (1 mm to 305 mm) with 90% reflective material. (Typical Maximum detection distance to be set at factory)
- Features: Recognizes objects as small as 0.08” (2 mm)
- Recognizes objects as small as 0.08” (2 mm)
- Ambient light rejection < 100K Lux
- Open collector output
- Cable length 39” (990 mm) lead length 28 AWG wire
The **OPB720A and OPB720B** Series reflective switches detects objects as far away as 12” (305 mm) using standard 90% reflective material, and can detect objects as small as 0.08” (2 mm). The OPB720 series consist of three standard reflective switching distances **-06Z** for typically 6” (152 mm), **-12Z** for typically 12” (305 mm) and **-30VZ** for typically 30” (762 mm). The power supply voltage range of the **OPB720A** series is 10 to 30 volts while the power supply voltage range for the **OPB720B** is 4 to 7 volts.
The **OPA720A and OPB720B** sensors are **NOT** affected by ambient light in most conditions. Ambient light conditions are compensated by using a synchronous driver detection scheme.
This sensor has a logical output that switches from a high level with reflective target to a low level with no reflective target. With the addition of hysteresis, the **OPB720** series minimizes output switching oscillations. The type of material used for the target is very dependent on the distance that can be achieved for the sensor. Taking this into consideration, the **OPB720** series can be used in either a reflective or interruptive mode. As an example, the **OPB720A-12Z** can easily be used in a reflective mode for distances around 12” (305 mm) while when reflecting off a retro-reflective target similar to 3M 3870 or Nippon Crystallite at distances around 85” (216 mm) the device works well in the interruptive mode. See the included charts for typical distances with different reflective material for other versions of the **OPB720** series devices.
The **OPB720** series has an open collector output transistor and power requirements are compatible with most PLCs and TTL gates.
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Ordering Information
Applications: Part Number Description
Conveyer belt package recognition
Maximum detection of 0.04” to 6” (1.0 mm to 152 mm)
OPB720A-06Z
Personnel movement recognition 39” (991 mm) lead length with 28 AWG wire, using white 90%
OPB720B-06Z
Near-focus security systems reflective paper
Hand wash and soap dispensing stations Maximum detection of 0.04” to 12” (1.0 mm to 305 mm)
OPB720A-12Z
Toilet and urinal sensors 39” (991 mm) lead length with 28 AWG wire, using white 90%
OPB720B-12Z
Product dispensing systems reflective paper
Vcc OPB720A-30VZ Maximum detection of 0.04” to 30” (1.0 mm to 762 mm)
e 39” (991 mm) lead length with 28 AWG wire, using white 90%
OPB720B-30VZ
reflective paper
e
VYA Electronics Output OPB720A-30VZ & OPB720B-30VZ ONLY
& Additional laser safety information can be found
INVISIBLE LASER RADIATION on the Optek website. See application #221.
r DO NOT VIEW DIRECTLY WITH
Classification is not marked on the device due to
e OPTICAL INSTRUMENTS
space limitations. See package outline for
Ground CLASS 1M LASER PRODUCT centerline of optical radiance. Operating devic-
@)) Class 1M°™ PER IEC/ENo7emw(MAGNIFIERS) 60825-1/A2:2001 at 850 nm es beyond maximum rating may cause devices
RoHS
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|**Pin #**
Red
White
Black|**Description**
VCC
Output
Ground|292]
2.92
0.12
[17.15]
0.68|**DIMENSIONS ARE IN:**
**INCHES**
**[ MILLIMETERS]**
0.09
[14.61]
0.58|
|---|---|---|---|
|Absolute Maximum Ratings (T,= 25°C unlessotherwise noted)||
|---|---|
|Operating Temperature Range||
|OPB720A Series|0° C to + 50° C|
|OPB720B Series|0° C to + 70° C|
|Storage Temperature Range|-40° C to + 80° C|
|Lead Soldering Temperature (1/16” (1.6 mm) from case for 5 seconds with soldering iron)|260° C(1)|
|Supply Voltage (VCC)||
|OPB720A Series|10 to 30 Volts|
|OPB720B Series|4 to 7 Volts|
|Maximum Collector Voltage|30 V|
|Collector DC Current (Sink)|50 mA|
|Power Dissipation|300 mW|
|Electrical
~~‘sywsol|~~|Low Level Output Voltage
Characteristics
~~‘sywsol|~~|Low Level Output Voltage
Characteristics (T,= 25° C unless
~~PARAMETER~~|otherwise|otherwise noted)
~~MIN ~~|noted)
~~TYP ~~|~~[MAX] ~~|~~[MAX] ~~|~~UNITS |~~|~~UNITS |~~|~~TESTCONDITIONS~~|
|---|---|---|---|---|---|---|---|---|---|---|
|VOL||OPB720A Series
OPB720B Series||-
-|-
-||0.8
0.8|V||VCC= 10 Volts, Note 4
VCC= 4 Volts, Note 4|
||High Level Output Voltage|High Level Output Voltage|||||||||
|VOH||OPB720A Series
OPB720B Series||5.0
3.5|-
-||-
-|V||VCC= 10 Volts, Note 5
VCC= 4 Volts, Note 5|
Notes:
(1) RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering.
(2) Distance for OPB720A-06Z=6 “ (152 mm), Distance for OPB720A-12Z=12” (305mm), Distance for OPB720A-30VZ=30” (762 mm)
(3) OPB720A-30VZ & OPB720B-30VZ are **class 1M** laser safety device. Do Not look at the device closer than 4” (100 mm) with a magnifying device.
(4) RL = 10 K, VCE = VCC Distance = See Note 2 & 3, (No Target) (5) RL = 10 K, VCE = VCC, (90% Reflective Surface, Kodak—EK E152-7798)
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Voltage Response vs Displacement
OPB720A-06Z or OPB720B-06Z OPB720A-06Z
12
10
Kodak 90% toward
8
Kodak 90% away
Coporate toward
6
Coporate away
4 Avery 5160 toward
Avery 5160 away
2
0
0'' 2'' 4'' 6'' 8'' 10''
Typical Displacement (inches)
Voltage Response vs Displacement
OPB720A-06Z or OPB720B-06Z OPB720A-06Z
12
10
8
Nippon Crystallite toward
Nippon Crystallite away
6
3M 3870 toward
3M 3870 away
4
2
0
40'' 45'' 50'' 55'' 60'' 65'' 70''
Typical Displacement (inches)
Typical Response Voltage
Typical Response Voltage
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Voltage Response vs Displacemnent
OPB720A-12Z or OPB720B-12Z OPB720A-12Z
12
10
Kodak 90% toward
8
Kodak 90% away
Copy Paper toward
6
Copy Paper away
4 Avery 5160 toward
Avery 5160 away
2
0
0'' 2'' 4'' 6'' 8'' 10'' 12'' 14'' 16'' 18'' 20''
Typical Displacement (inches)
Voltage Response vs Displacemnent
OPB720A-12Z or OPB720B-12Z OPB720A-12Z
12
10
8 Nippon Crystallite toward
Nippon Crystallite away
6 3M 3870 toward
3M 3870 away
4
2
0
60'' 70'' 80'' 90'' 100'' 110''
Typical Displacement (inches)
Typical Response Voltage
Typical Response Voltage
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Voltage Response vs Displacemnent
OPB720A-30VZ or OPB720B-30VZ OPB720A-36VZ
12
10
' 1
1i1
i! 1 90% Kodak Towards
8 oo '
ii1 90% Kodak Away
ii 1
!'1 Copy Paper Towards
6 '' 1
!'1
!i 1 Copy Paper Away
!i1
ii 1 Avery 5160 Towards
4 | 111
ii 1 Avery 5160 Away
!'1
'' 1
2 1t1
!i 1
!i1
ii 1
0 & sbeeek ow oe oe
25'' 30'' 35'' 40'' 45'' 50''
Typical Switching Distance (inches)
Normalized Output Level
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Voltage Response vs Displacemnent
OPB720A-30VZ or OPB720B-30VZ OPB720A-36VZ
12
10
1
iT
'
8 iT
'
se. Nippon Crystallite Towards '
'
6 —_ Nippon Crystallite Away 1
1
1
= 3M 3870 Towards t
t
4 '
—~ 3M 3870 Away '
'
!
2 t
1
t
t
0
120'' 145'' 170'' 195'' 220''
Typical Switching Distance (inches)
Normalized Output Level
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## Links
- [View this product on Novapart](https://novapart.co/products/OPB720B-12Z/optical-switch-opb720b-series-reflective-305-mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/tt-electronics-optek-technology/opb720b-12z/long-distance-switch-reflective/dp/1652216)
---
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