component
DY-ITR8402
Public Made by Adomby adom
TONYU Photointerrupters - Slot Type - Transistor Output, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownDY-ITR8402
TONYU · Photointerrupters - Slot Type - Transistor Output · DIP-4
DY-ITR8402 from TONYU, in a DIP-4. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Anode | passive | Anode of the infrared emitter LED (940nm); forward current max 50mA, VF 1.2V typ at IF=20mA, needs a series protection resistor. |
| 2 | Cathode | passive | Cathode of the infrared emitter LED; reverse voltage max 5V. |
| 3 | Collector | passive | Collector of the phototransistor; collector-emitter voltage max 30V and collector current max 20mA. |
| 4 | Emitter | passive | Emitter of the phototransistor; emitter-collector voltage max 5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TONYU |
| Package | DIP-4 |
| Category | Optoelectronics |
| Pins | 4 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | 1.2 | 1.5 | V | IF=20mA | 4 | |
| Reverse current | IR | 10 | μA | VR=5V | 4 | ||
| Dark current | ICEO | 100 | nA | VCE=20V, Ee=0mW/cm2 | 4 | ||
| C-E saturation voltage | VCE(sat) | 0.4 | V | IC=2mA, Ee=1mW/cm2 | 4 | ||
| Collector current (on) | IC(ON) | 0.5 | mA | VCE=5V,IF=20mA | 4 | ||
| Collector current (off) | IC(OFF) | 20 | μA | 4 | |||
| Forward voltage tolerance (footnote *) | VF | -0.1 | 0.1 | V | Forward voltage tolerance range as printed in table notes | 4 | |
| Wavelength tolerance (footnote *) | λp | -1 | 1 | nm | Wavelength tolerance range as printed in table notes | 4 | |
| Radiant intensity tolerance (footnote *) | -10 | 10 | % | Radiant intensity tolerance range as printed in table notes | 4 | ||
| Power dissipation | Pd | 75 | mW | at (or below) 25℃ free air temperature | 7 | ||
| Reverse voltage | VR | 5 | V | 7 | |||
| Forward current | IF | 50 | mA | 7 | |||
| Peak forward current | IFP | 1 | A | Pulse width ≦100μs, Duty cycle=1%; tw=100 μsec, T=10 msec | 7 | ||
| Collector power dissipation | Pc | 75 | mW | 7 | |||
| Collector current | Ic | 20 | mA | 7 | |||
| Collector-emitter voltage | BVCEO | 30 | V | 7 | |||
| Emitter-collector voltage | BVECO | 5 | V | 7 | |||
| Operating temperature | Topr | -25 | 85 | ℃ | 7 | ||
| Storage temperature | Tstg | -45 | 85 | ℃ | 7 | ||
| Soldering temperature | Tsol | 260 | ℃ | Wave soldering, 3mm out of physical body, ≤3S | 7 |
CAD (KiCad official)
- Symbol:
DY-ITR8402 - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
dy-itr8402-etched.step/dy-itr8402-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dy-itr8402.step/dy-itr8402.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TONYU datasheet (10 pp, sha256
436ff48461565fb6, retrieved 2026-10-15, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).