LK1802

LANKEExtended

-40℃~+85℃ 1.7V 100uA 15pF 2 4.5mA 500mA 50V 50uA SOT-23-6 Darlington Transistor Arrays ROHS

Part id: lanke/LK1802
Category: Darlington Transistor Arrays
Package: SOT-23-6
Pins: 6
In stock: 5,136 at JLCPCB (C2984831)
Used on: 10 open-source boards

Overview

The LK1802 is a darlington Transistor Array made by LANKE in a SOT-23-6 package with 6 pins. -40℃~+85℃ 1.7V 100uA 15pF 2 4.5mA 500mA 50V 50uA SOT-23-6 Darlington Transistor Arrays ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LK1802, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-6, from KiCad's library), ready for a KiCad board. 5,136 are in stock at JLCPCB (part C2984831). 10 open-source boards in 10 repositories on GitHub use it.

Symbol

EasyEDA_Cloud:LK1802From EasyEDA

Footprint

Package_TO_SOT_SMD:SOT-23-6From KiCad's library

From the datasheet

Gives: 500 mA · rated collector output current per channel · p. 1
Junction, hottest: 150 °C · maximum operating junction temperature · p. 3
Works from: -40 °C · minimum operating ambient temperature · p. 3
Works up to: 85 °C · maximum operating ambient temperature · p. 3
Forward voltage: 1.7 V · typical clamp diode forward voltage at IF=350mA · p. 4

What it is and has

Channels: 2 Darlington transistor channels · p. 1
Output voltage rating: 50 V · p. 1
Collector output current: 500 mA per channel · p. 1
Input compatibility: TTL/CMOS logic · p. 1
Package: SOT23-6 · p. 1

Specifications

Parameter	Conditions	As printed	Page
集电极-发射极电压 VCE	TA=25℃	min -0.5 · max 50 V	3
COM 端电压 VCOM	TA=25℃	max 50 V	3
输入电压 VI	TA=25℃	min -0.5 · max 7 V	3
集电极峰值电流 ICP	TA=25℃	max 500 mA/ch	3
输出钳位二极管正向峰值电流 IOK	TA=25℃	max 500 mA	3
总发射极最大峰值电流 IET	TA=25℃	max -1 A	3
最高工作结温(2) TJ		max 150 ℃	3
焊接温度	10s	max 260 ℃	3
储存温度范围 Tstg		min -60 · max 150 ℃	3
集电极-发射极电压 VCE	TA=25℃	min 0 · max 50 V	3
输出电流 IOUT	TPW=25ms, Duty=10%, TA=85℃, TJ=120℃	min 0 · max 350 mA/ch	3
输出电流 IOUT	TPW=25ms, Duty=50%, TA=85℃, TJ=120℃	min 0 · max 70 mA/ch	3
控制信号输入电压 VIN	TA=25℃	min 0 · max 7 V	3
输入电压 (输出开启) VIN(ON)	TA=25℃, Iout=250mA	min 2.7 · max 7 V	3
输入电压（输出关断） VIN(OFF)	TA=25℃	min 0 · max 0.6 V	3
钳位二极管反向电压 VR	TA=25℃	max 50 V	3
钳位二极管正向峰值电流 IF	TA=25℃	max 350 mA	3
工作温度范围 TA		min -40 · max 85 ℃	3
导通状态输入电压 VI(ON)	TA=25℃, 图4, VCE=2.0V, IC=200mA	max 2.4 V	4
导通状态输入电压 VI(ON)	TA=25℃, 图4, VCE=2.0V, IC=250mA	max 2.7 V	4
导通状态输入电压 VI(ON)	TA=25℃, 图4, VCE=2.0V, IC=350mA	max 3 V	4
集电极-发射极饱和压降 VCE(SAT)	TA=25℃, 图5, II=250uA, IC=100mA	typ 0.9 · max 1.1 V	4
集电极-发射极饱和压降 VCE(SAT)	TA=25℃, 图5, II=350uA, IC=200mA	typ 1 · max 1.3 V	4
集电极-发射极饱和压降 VCE(SAT)	TA=25℃, 图5, II=500uA, IC=350mA	typ 1.3 · max 1.6 V	4
钳位二极管正向压降 VF	TA=25℃, 图8, IF=350mA	typ 1.7 · max 2 V	4
集电极关断漏电流 ICEX	TA=25℃, 图1, VCE=50V, II=0	max 50 uA	4
集电极关断漏电流 ICEX	图2, VCE=50V, TA=85℃, VI=0V	max 100 uA	4
输入电流 II	TA=25℃, 图4, VIN=3.3V, IC=250mA	max 4.5 mA	4
输入电流 II	TA=25℃, 图4, VIN=2.4V, IC=250mA	max 3 mA	4
钳位二极管反向电流 IR	TA=25℃, 图7, VR=50V	max 100 uA	4
输入电容 CIN	TA=25℃	typ 15 pF	4
传输延迟低-高 tPLH	TA=25℃, 图9, VL=5V, RL=45Ω	typ 0.15 · max 1 us	4
传输延迟高-低 tPHL	TA=25℃, 图9, VL=5V, RL=45Ω	typ 0.15 · max 1 us	4

Pins, by the datasheet

1 1C: Channel 1 output. · p. 2
2 E: Ground. · p. 2
3 1B: Channel 1 input. · p. 2
4 2B: Channel 2 input. · p. 2
5 COM: Clamp diode common terminal. · p. 2
6 2C: Channel 2 output. · p. 2

Ordering codes, by the datasheet

LK1802: SOT23-6 · Operating temperature -40℃ to +85℃; minimum packing 3000 per reel. · p. 1

Parameters

Collector - Emitter Voltage VCEO: 50V
Current - Collector(Ic): 500mA
Input Capacitiance(Ci): 15pF
Input Current(on): 4.5mA
Junction Temperature(Max): 150℃
Operating Temperature: -40℃~+85℃
Output Current: 500mA
Output Leakage Current(Icex): 50uA
Reverse Leakage Current (Ir): 100uA
Type: BJT
Vce Saturation(VCE(sat)): 1.6V
Voltage - Forward(Vf): 1.7V
Voltage - Input(Max): 7V
number of channels: 2

Order codes

LK1802LCSC C2984831

Pinout

The pins of the LK1802
Pin	Name	Type
1	1C	Unspecified
2	E	Unspecified
3	1B	Unspecified
4	2B	Unspecified
5	COM	Unspecified
6	2C	Unspecified

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Open-source boards using it

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162 parts

Questions

Is there a KiCad symbol and footprint for the LK1802?

Yes. The symbol is EasyEDA_Cloud:LK1802 and the footprint Package_TO_SOT_SMD:SOT-23-6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LK1802?

SOT-23-6, with 6 pins. Its footprint is drawn on this page.

Where is the LK1802 datasheet?

LANKE publishes it: the Datasheet link on this page opens it.

Where can I order the LK1802?

JLCPCB lists it as part C2984831, with 5,136 in stock; the sellers' links on this page open their listings.

Which open-source boards use the LK1802?

10 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.