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TLP2398

TOSHIBA · Transistor, Photovoltaic Output Optoisolators · SOIC-5

TLP2398 from TOSHIBA, in a SOIC-5. 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/Cathode	passive	Input LED terminal; the two LEDs are connected in reverse parallel so the input can sink or source, with input forward current rated ±20 mA absolute maximum.
3	Cathode/Anode	passive	Input LED terminal, reverse-parallel with pin 1, so either polarity drives the input, with input forward current rated ±20 mA absolute maximum.
4	GND	power_in	Ground reference for the detector; a 0.1 µF bypass capacitor must be connected between pin 6 and pin 4.
5	VO	output	Totem-pole logic inverter output with current sourcing and sinking capability, with output voltage rated -0.5 to 20 V absolute maximum.
6	VCC	power_in	Supply pin with a 3 to 20 V operating range (absolute maximum -0.5 to 20 V), requiring a 0.1 µF bypass capacitor to pin 4.

Key specifications

Parameter	Value
Manufacturer	TOSHIBA
Package	SOIC-5
Category	Optoisolators
Pins	5

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Supply voltage	VCC	3		20	V		3
Operating temperature	Topr	-40		125	°C		3
Input on-state current pin1→3	IF(ON) pin1→3			10	mA	Rise and fall times of input on-current less than 0.5 µs (Note 1)	3
Input on-state current pin3→1	IF(ON) pin3→1	-100		-3	mA	Rise and fall times of input on-current less than 0.5 µs (Note 1)	3
Input off-state voltage pin1→3	VF(OFF) pin1→3			0.8	V		3
Input off-state voltage pin3→1	VF(OFF) pin3→1	-0.83			V		3
Input forward current	IF	-20		20	mA		3
Peak transient input forward current	IFPT	-1		1	A	Pulse width ≤ 1 µs, 300 pps (Note 1)	3
Input power dissipation	PD			40	mW	Ta ≤ 25 °C	3
Output current	IO	-15		25	mA		3
Output current (second rating)	IO	-5		5	mA		3
Output voltage	VO	-0.5		20	V		3
Supply voltage	VCC	-0.5		20	V		3
Output power dissipation	PO			100	mW		3
Operating temperature	Topr	-40		125	°C		3
Storage temperature	Tstg	-55		125	°C		3
Lead soldering temperature	Tsol			260	°C	10 s	3
Input forward voltage	VF	1.33	1.5	1.63	V	IF = 3 mA, Ta = 25 °C	4
Low-level output voltage	VOL		0.11	0.6	V	IO = 3.5 mA, IF = 5 mA	4
High-level output voltage (VCC = 3 V)	VOH	1.78	2.1		V	VCC = 3 V, IO = -2.6 mA, VF = 0.8 V	4
High-level output voltage (VCC = 20 V)	VOH	17.4	19.1		V	VCC = 20 V, IO = -2.6 mA, VF = 0.8 V	4
Low-level supply current (VCC = 3.6 V)	ICCL		1.4	3	mA	VCC = 3.6 V, IF = 5 mA	4
Low-level supply current (VCC = 20 V)	ICCL		1.5	3	mA	VCC = 20 V, IF = 5 mA	4
High-level supply current (VCC = 3.6 V)	ICCH		1.9	3	mA	VCC = 3.6 V, VF = 0 V	4
High-level supply current (VCC = 20 V)	ICCH		2	3	mA	VCC = 20 V, VF = 0 V	4
Low-level short-circuit output current (VCC = 3.6 V)	IOSL	15	100		mA	VCC = VO = 3.6 V, IF = 5 mA	4
Low-level short-circuit output current (VCC = 20 V)	IOSL	20	130		mA	VCC = VO = 20 V, IF = 5 mA	4
High-level short-circuit output current (VCC = 3.6 V)	IOSH		-14	-5	mA	VCC = 3.6 V, VF = 0 V, VO = GND	4
High-level short-circuit output current (VCC = 20 V)	IOSH		-24	-10	mA	VCC = 20 V, VF = 0 V, VO = GND	4
Threshold input current (H/L)	IFHL		0.7	2.3	mA	IO = 3.5 mA, VO < 0.4 V	4
Threshold input voltage (L/H)	VFLH	0.8			V	IO = -2.6 mA, VO > 2.4 V	4
Propagation delay time (H/L)	tpHL		105	250	ns	IF = 0 → 3 mA	5
Propagation delay time (L/H)	tpLH		95	250	ns	IF = 3 → 0 mA	5
Pulse width distortion	/tpHL-tpLH/		10	80	ns	IF = 3 mA	5
Propagation delay skew (device to device)	tpsk	-130	15	130	ns		5
Rise time	tr		12	75	ns	IF = 3 → 0 mA, VCC = 5 V	5
Fall time	tf			75	ns	IF = 0 → 3 mA, VCC = 5 V	5
Common-mode transient immunity at output high	CMH	20			kV/µs	VCM = 1000 Vp-p, IF = 0 mA, VCC = 20 V, Ta = 25 °C	5
Common-mode transient immunity at output low	CML	20			kV/µs	VCM = 1000 Vp-p, IF = 5 mA, VCC = 20 V, Ta = 25 °C	5
Isolation voltage	BVS	3750			Vrms	AC, 60 s	4
Input forward voltage temperature coefficient	∆VF/∆Ta		-2		mV/°C	IF = 3 mA	4
Input capacitance	Ct		90		pF	V = 0 V, f = 1 MHz	4

CAD (KiCad official)

Symbol: TLP2398
Footprint: Package_SO:SOIC-5-6_4.4x3.6mm_P1.27mm
3D model: SOIC-5 (KiCad packages3D, STEP)
3D model files: tlp2398-etched.step / tlp2398-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlp2398.step / tlp2398.glb are the bare package body.

Provenance

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

Datasheet: TOSHIBA datasheet (18 pp, sha256 0ad9a30099ed8149, retrieved 2026-10-17, 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