# Transmissive Photo Interrupter, Darlington Phototransistor, Through Hole, 5 mm, 0.65 mm, 50 mA, 6 V
**URL**: https://novapart.co/products/KTIR0621DS/transmissive-photo-interrupter-darlington
**SKU**: KTIR0621DS
**Manufacturer**: KINGBRIGHT
**Category**: Sensors & Transducers || Sensors || Photo Interrupters || Transmissive Photo Interrupters
**Price**: €0.7350
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Gap Width | 5mm |
| Sensor Output | Darlington Phototransistor |
| Aperture Width | 0.65mm |
| Forward Voltage | 1.2V |
| Sensor Mounting | Through Hole |
| Forward Current If | 50mA |
| Reverse Voltage Vr | 6V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2079965/)
**PHOTO-INTERRUPTER**
## **Part Number: KTIR0621DS**
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Package Dimensions
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## **Features**
- High sensing accuracy.
- High current transfer ratio.
- Both-sides mounting type.
- RoHS Compliant.
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Applications
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● OA equipment, such as floppy disk drives,
printers, facsimiles, etc.
● VCRs.
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Notes: 1. All dimensions are in millimeters (inches). 2. Tolerance is ±0.25(0.01") unless otherwise noted. 3. Lead spacing is measured where the leads emerge from the package. 4. The specifications, characteristics and technical data described in the datasheet
are subject to change without prior notice.
***Absolute Maximum Ratings(Ta=25°C)**
**Parameter Symbol Rating Unit** ~~a~~ Forward current IF 50 mA ~~a~~ Reverse voltage VR 6 V ~~a~~ Input Power dissipation Pd 75 mW ~~I~~ Peak Forward Current (Pulse Width ≤100uS, Duty Cycle =1%) IFP 1 A ~~ee~~ Collector-emitter voltage VCEO 35 V ~~es~~ Emitter-collector voltage VECO 6 V ~~ee~~ Output Collector current IC 40 mA ~~a~~ Collector power dissipation PC 75 mW ~~a~~ Operating temperature Topr -25~+85 ºC ~~ee~~ Storage temperature Tstg -40~+100 ºC ~~a~~ soldering temperature (1/16 inch from body for 5 seconds) Tsol 260 ºC ~~a~~
**SPEC NO: DSAC1843 REV NO: V.8 DATE: DEC/23/2009 PAGE: 1 OF 4 APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: Q.Q.ZHU ERP:1105000005**
**PHOTO-INTERRUPTER**
## ***Electro-optical Characteristics(Ta=25°C)**
||**Parameter**|**Parameter**|**Symbol**|**Conditions**|**Min.**
**TYP.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|Input|Forward Voltage
Peak forward voltage
Reverse Current
Peak Wavelength||VF|IF=20mA|1.0
1.2|1.5|V|
||||VFM|IFM=0.5A|-
2|3|V|
||||IR|VR=6V|-
-|10|μA|
||||λP|IF=20mA|-
940|-|nm|
|Output|Collector dark current||ICEO|VCE=10V
IF=0mA|-
-|10-6|A|
|Transfer
charact-
eristics|Current transfer ratio
Collector-emitter saturation voltage
Response time
Rise time
Fall time||CTR|VCE=2V
IF=1mA|-
200|-|%|
||||VCE (SAT)|IF=2mA
IC=1mA|-
-|1.0|V|
|||Rise time
Fall time|tr|VCE=2V
IC=10mA
RL=100Ω|-
90|400|μsec|
||||tf||-
80|300|μsec|
|||||||||
||**Fig**.**1 Forward Current vs.**
**Forward Voltage**|||
**Fig**.**2 Collector Current vs.**
**Forward Current**||||
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Fig . 3 Collector Current vs.
Collector-emitter Voltage
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**SPEC NO: DSAC1843 APPROVED: WYNEC**
**REV NO: V.8 DATE: DEC/23/2009 PAGE: 2 OF 4 CHECKED: Tracy Deng DRAWN: Q.Q.ZHU ERP:1105000005**
**PHOTO-INTERRUPTER**
**Fig** . **4 Collector Current vs. Fig.5 Collector-emitter Saturation Voltage Ambient Temperature vs.Ambient Temperature**
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**Fig.6 Relative Collector Current vs. Shield Distance (1)**
**Fig.7 Relative Collector Current vs. Shield Distance (2)**
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## **Test Circuit for Response Time**
**Fig.8 Response Time vs Load Resistance**
**SPEC NO: DSAC1843 APPROVED: WYNEC**
**REV NO: V.8 DATE: DEC/23/2009 PAGE: 3 OF 4**
**CHECKED: Tracy Deng DRAWN: Q.Q.ZHU ERP:1105000005**
**PHOTO-INTERRUPTER**
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PACKING & LABEL SPECIFICATIONS KTIR0621DS
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**SPEC NO: DSAC1843 REV NO: V.8 DATE: DEC/23/2009 PAGE: 4 OF 4 APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: Q.Q.ZHU ERP:1105000005**
## Links
- [View this product on Novapart](https://novapart.co/products/KTIR0621DS/transmissive-photo-interrupter-darlington)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/kingbright/ktir0621ds/photo-interrupter/dp/2079965)
---
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