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TLP2161

Public Made by Adom

by adom

TOSHIBA Logic Output Optoisolators, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TLP2161

TOSHIBA · Logic Output Optoisolators · SO-8

TLP2161 from TOSHIBA, in a SO-8. 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 Anode1 passive Anode of input LED1; LED1 is driven by the input forward current, tested at IF = 2 mA.
2 Cathode1 passive Cathode of input LED1, which is ON in the high-input state of the truth table.
3 Cathode2 passive Cathode of input LED2, which is ON in the low-input state of the truth table.
4 Anode2 passive Anode of input LED2, driven by the input forward current in the same manner as LED1.
5 GND power_in Ground reference for the detector circuit; a 0.1 µF ceramic bypass capacitor must be connected between pin 8 and pin 5, placed within 1 cm of each pin.
6 VO2 (Output2) output Output 2 of the detector, a totem-pole inverter-logic output.
7 VO1 (Output1) output Output 1 of the detector, a totem-pole inverter-logic output.
8 VCC power_in Supply pin, specified for 2.7 V to 5.5 V and requiring a 0.1 µF bypass capacitor to pin 5.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package SO-8
Category Optoisolators
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input forward voltage VF 1.35 1.5 1.65 V IF = 2 mA, Ta = 25 °C 4
Input reverse current IR 10 µA VR = 5 V, Ta = 25 °C 4
High-level output voltage VOH 3.2 3.29 V VF = 0.8 V, IO = -20 µA, VCC = 3.3 V 4
High-level output voltage VOH 4.9 4.99 V VF = 0.8 V, IO = -20 µA, VCC = 5.0 V 4
High-level output voltage VOH 2.3 3.15 V VF = 0.8 V, IO = -3.2 mA, VCC = 3.3 V 4
High-level output voltage VOH 4 4.87 V VF = 0.8 V, IO = -3.2 mA, VCC = 5.0 V 4
Low-level output voltage VOL 0.1 V IF = 2 mA, IO = 20 µA 4
Threshold input current (H/L) IFHL 1.3 mA IO = 3.2 mA, VO < 0.4 V, Ta = -40 to 105 °C 4
Threshold input current (H/L) IFHL 1.6 mA IO = 3.2 mA, VO < 0.4 V, Ta = -40 to 125 °C 4
Propagation delay time (H/L) tpHL 49 80 ns IF = 0 → 2 mA, RT = 1.68 kΩ, CL = 15 pF 5
High-level common-mode transient immunity CMH -20 20 kV/µs IF = 0 mA, VCC = 3.3 / 5 V, VCM = 1000 Vp-p, RT = 1.68 kΩ, Ta = 25 °C 5
Low-level common-mode transient immunity CML -20 20 kV/µs IF = 2 mA, VCC = 3.3 / 5 V, VCM = 1000 Vp-p, RT = 1.68 kΩ, Ta = 25 °C 5
Isolation voltage BVS 2500 Vrms AC, 60 s 4
Input forward current IF 10 mA Each channel 3
Input forward current (pulsed) IFP 40 mA Each channel; PW ≤ 1 ms, duty = 50% 3
Input forward current derating ∆IF/∆Ta -0.13 mA/°C Ta ≥ 110 °C; each channel 3
Input forward current (pulsed) derating ∆IFP/∆Ta -1.01 mA/°C Ta ≥ 110 °C; each channel 3
Input power dissipation PD 20 mW Each channel 3
Input power dissipation derating ∆PD/∆Ta -0.55 mW/°C Ta ≥ 110 °C; each channel 3
Operating temperature Topr -40 125 °C 3
Storage temperature Tstg -55 150 °C 3
Lead soldering temperature Tsol 260 °C 10 s 3
Isolation voltage BVS 2500 Vrms AC, 60 s, R.H. ≤ 60 % 3
Input on-state current IF(ON) 6 mA Each channel; rise and fall times of input on-current less than 0.5 µs 3
Input off-state voltage VF(OFF) 0.8 V Each channel 3
Supply voltage VCC 2.7 5.5 V 3
Operating temperature Topr -40 125 °C 3

CAD (KiCad official)

  • Symbol: TLP2161
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: tlp2161-etched.step / tlp2161-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlp2161.step / tlp2161.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TOSHIBA datasheet (17 pp, sha256 031b393d2b28bc8e, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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).

Datasheet PDF