TLP521-1

Transistor, Photovoltaic Output OptoisolatorsDual In Line Plastic Package

IC OPTOCOUPLER TRANSISTOR OUT 5300V 4-DIP

TLP521-1 is a single-channel NPN phototransistor optocoupler with 5000V RMS isolation voltage, CTR 50%-600%, DIP4 package, operating temperature -55°C to +110°C, and RoHS compliance.Checked against the datasheet

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Technical parameters

Key specs

Channels1

Isolation voltage5 kV

Output typeTransistor

Current transfer ratio50 ~ 600 %Max 600% (IF = 5mA，VCE = 5V)

Datasheet-verified parameters

21 items

Parameter	Value and test conditions	Source
Channels	1
AC Isolation Voltage	5000V RMS
Output Type	NPN silicon photo transistor
Current Transfer Ratio	Min 50%, Max 600% (IF = 5mA, VCE = 5V)
Package	Dual In Line Plastic Package (DIP4)
Operating Temperature	-55°C to +110°C
RoHS	Compliant
Input Forward Current	Max 50mA
Peak Forward Current	Max 1A (100μs, 100Hz)
Reverse Voltage	Max 6V
Power dissipation	Max 70mW
Junction Temperature	Max 125°C
Forward Voltage	Typ 1.2V, Max 1.4V (IF = 20mA)
Reverse Leakage	Max 10μA (VR = 4V)
Terminal Capacitance	Typ 30pF, Max 250pF (V = 0V, f = 1KHz)
Collector-Emitter Saturation Voltage	Typ 0.1V, Max 0.2V (IF = 20mA, IC = 1mA)
Floating Capacitance	Typ 0.6pF, Max 1pF (V = 0V, f = 1MHz)
Cut-Off Frequency	Typ 80kHz (VCE = 5V, IC = 2mA, RL = 100Ω, -3dB)
Output Rise Time	Typ 4μs, Max 18μs (VCC = 5V, IC = 2mA, RL = 100Ω)
Output Fall Time	Typ 3μs, Max 18μs (VCC = 5V, IC = 2mA, RL = 100Ω)
Certification	UL File E91231, VDE Approval Certificate No. 40028086

Pinout and package

TLP521 — Package: **Dual In Line Plastic Package (DIP4)**

Pin	Name	Function	Source
1		Anode
2		Cathode
3		Emitter
4		Collector

Documents

DatasheetDatasheet · 2.8 MB · 2026-11-03

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