TLP521, TLP521-2, TLP521-4
DESCRIPTIONThe TLP521, TLP521-2 and TLP521-4 series of
optically coupled isolator consist of an infrared lightemitting diode and an NPN silicon photo transistor ina space efficient Dual In Line Plastic Package.

TLP521TLP521-2

12341, 32, 45. 76, 8FEATURES
••
•
•
•
•

AC Isolation Voltage 5300VRMS
CTR Selections Available
Wide Operating Temperature Range-30°C to +100°C
Lead Free and RoHS Compliant
UL File E91231 Package Code “EE”
VDE Approval Certificate No. 40028086

APPLICATIONS••••

Computer Terminals
Industrial System Controllers
Measuring Instruments
Signal Transmission between Systems ofDifferent Potentials and Impedances

Anode
CathodeEmitterCollector

Anode
CathodeEmitterCollector

TLP521-4

ORDER INFORMATION••••••

Add X after PN for VDE Approval
Add G after PN for 10mm lead spacing
Add SM after PN for Surface Mount
Add SMT&R after PN for Surface Mount
Tape & Reel
(Available for TLP521SM and TLP521-2SM)
Optional Order Part No. TLP521-1 for TLP521
Consult Factory for Tape and Reel version ofTLP521-4SM

ISOCOM COMPONENTS 2004 LTD
Unit 25B, Park View Road West, Park View Industrial Estate
Hartlepool, Cleveland, TS25 1PE, United Kingdom
Tel : +44 (0)1429 863 609 Fax : +44 (0)1429 863 581
e-mail : sales@isocom.co.uk

http://www.isocom.com

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1, 3, 5, 7
2, 4, 6, 8
9, 11, 13, 15
10, 12, 14, 16

Anode
CathodeEmitterCollector

ISOCOM COMPONENTS ASIA LTD
Hong Kong Office
Block A, 8/F, Wah Hing Industrial Mansion
36 Tai Yau Street, San Po Kong, Kowloon, Hong Kong
Tel : +852 2995 9217 Fax : +852 8161 6292
e-mail : sales@isocom.com.hk

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TLP521, TLP521-2, TLP521-4
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Stresses exceeding the absolute maximum ratings can cause permanent damage to the device.
Exposure to absolute maximum ratings for long periods of time can adversely affect reliability.
Input
Forward Current
Reverse Voltage
Power dissipation

50mA
6V
70mW

OutputCollector to Emitter Voltage BVCEO
Emitter to Collector Voltage BVECOCollector Current
Power Dissipation

55V
6V
50mA
150mW

Total Package
Isolation Voltage

5300VRMS

Total Power Dissipation

200mW

Operating Temperature-30 to 100 °C

Storage Temperature-55 to 125 °C

Junction Temperature
Lead Soldering Temperature (10s)

125 °C
260°C

ISOCOM COMPONENTS 2004 LTD
Unit 25B, Park View Road West, Park View Industrial Estate
Hartlepool, Cleveland, TS25 1PE, United Kingdom
Tel : +44 (0)1429 863 609 Fax : +44 (0)1429 863 581
e-mail : sales@isocom.co.uk

http://www.isocom.com

2 31/10/2019

ISOCOM COMPONENTS ASIA LTD
Hong Kong Office
Block A, 8/F, Wah Hing Industrial Mansion
36 Tai Yau Street, San Po Kong, Kowloon, Hong Kong
Tel : +852 2995 9217 Fax : +852 8161 6292
e-mail : sales@isocom.com.hk

DD93208

TLP521, TLP521-2, TLP521-4
ELECTRICAL CHARACTERISTICS (Ambient Temperature = 25°C unless otherwise specified)
INPUT
Parameter

SymbolTest Condition

MinTyp.

Max

Unit

Forward Voltage

VF

IF = 10mA

1.0

1.15

1.3

V

Reverse Voltage

VR

IR = 10μA

6.0

Reverse Leakage

IR

VR = 4V

Terminal CapacitanceCt

V = 0V, f = 1KHz

Parameter

SymbolTest Condition

MinCollector—Emitter
breakdown Voltage

BVCEO

IC = 0.5mA, IF = 0mA

55V

Emitter—Collector
breakdown Voltage

BVECO

IE = 100µA, IF = 0mA

6VCollector-Emitter Dark
Current

ICEO

VCE = 20V, IF = 0mA

V
10µA

30250

pF

Typ.

MaxUnitOUTPUT

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100nA

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TLP521, TLP521-2, TLP521-4
ELECTRICAL CHARACTERISTICS (Ambient Temperature = 25°C unless otherwise specified)
COUPLED
Parameter

SymbolCurrent Transfer Ratio

CTR

Test Condition

Min

Typ.

Max

Unit%

IF = 5mA, VCE = 5V

50600

Optional CTR Grades
GRBL
GB
GB (IF = 1mA, VCE = 0.4V)

10020010030300
600
6000.40.4V

Collector—Emitter
Saturation Voltage

VCE(sat)

IF = 8mA, IC = 2.4mA
GB (IF = 1mA, IC = 0.2mA)

Output Rise Time

trOutput Fall Timetf

VCE = 2V,
Ic = 2mA,
RL = 100Ω

Turn-on Timeton

3

Turn-off Time

toff

3

Turn-on TimetON

Turn-off Time

tOFF

VCC= 5V,
IF = 16mA,
RL = 1.9kΩ

SymbolTest Condition

Min

Input to Output
Isolation Voltage

VISO

R.H. = 40% to 60 %,t = 1 min

5300

VRMS

Input to Output
ResistanceRISO

VIO = 500VDC,
R.H. = 40% to 60 %,5 x 1010

Ω

4µs

32µs

25ISOLATION
ParameterTyp.

MaxUnitDevice is considered a two terminal device : Input pins are shorted together and Output pins are shorted together.

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TLP521, TLP521-2, TLP521-4

Fig 1 Forward Current vs TA

Fig 2 Collector Power Dissipation vs TA

Fig 3 Forward Current vs Forward Voltage

Fig 4 Collector Current vsCollector-Emitter Voltage

Fig 5 Normalized Current Transfer Ratio vsForward Current

Fig 6 Normalized Current Transfer Ratio vsAmbient Temperature

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TLP521, TLP521-2, TLP521-4

Fig 7 Collector-Emitter Voltage vs Forward Current

Fig 8 Collector-Emitter Voltage vsAmbient Temperature

Fig 9 Collector Dark Current vsAmbient Temperture

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TLP521, TLP521-2, TLP521-4

Fig 10 Response Time vs Load ResistanceFig 11 Frequency Response

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Response Time Test Circuit

Frequency Response Test Circuit

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TLP521, TLP521-2, TLP521-4
ORDER INFORMATIONTLP521, TLP521-1 (UL Approval)
After PN

PN

Description

Packing quantity

None

TLP521, TLP521-1
TLP521GR, TLP521-1GR
TLP521BL, TLP521-1BL,
TLP521GB, TLP521-1GBStandard DIP4

100 pcs per tubeG

TLP521G, TLP521-1G,
TLP521GRG, TLP521-1GRG,
TLP521BLG, TLP521-1BLG
TLP521GBG, TLP521-1GBG

10mm Lead Spacing

100 pcs per tubeSM

TLP521SM, TLP521-1SM,
Surface Mount
TLP521GRSM, TLP521-1GRSM,
TLP521BLSM, TLP521-1BLSM,
TLP521GBSM, TLP521-1GBSM

100 pcs per tube

SMT&R

TLP521SMT&R,
TLP521-1SMT&R
TLP521GRSMT&R,
TLP521-1GRSMT&R,
TLP521BLSMT&R,
TLP521-1BLSMT&R,
TLP521GBSMT&R,
TLP521-1GBSMT&R

1000 pcs per reel

Note :Optional Order Part No. TLP521-1 for TLP521.

Surface Mount Tape & Reel

Devices with suffix “X” (UL and VDE approvals) may be supplied whenordering the above Part Numbers (UL approval only).

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TLP521, TLP521-2, TLP521-4
ORDER INFORMATIONTLP521-2 (UL Approval)
After PN

PN

Description

Packing quantity

None

TLP521-2, TLP521-2GR,
TLP521-2BL, TLP521-2GBStandard DIP850 pcs per tube

GTLP521-2G, TLP521-2GRG,TLP521-2BLG, TLP521-2GBG

10mm Lead Spacing

50 pcs per tubeSM

TLP521-2SM, TLP521-2GRSM,
TLP521-2BLSM,
TLP521-2GBSM

Surface Mount

50 pcs per tube

SMT&R

TLP521-2SMT&R,
TLP521-2GRSMT&R,
TLP521-2BLSMT&R,TLP521-2GBSMT&R

Surface Mount Tape & Reel

1000 pcs per reel

TLP521-4 (UL Approval)
After PN

PN

Description

Packing quantity

None

TLP521-4, TLP521-4GR,
TLP521-4BL, TLP521-4GB

Standard DIP16

25 pcs per tubeG

TLP521-4G, TLP521-4GRG,
TLP521-4BLG, TLP521-4GBG

10mm Lead Spacing

25 pcs per tubeSM

TLP521-4SM, TLP521-4GRSM,
TLP521-4BLSM,
TLP521-4GBSM

Surface Mount

25 pcs per tube

Note :Devices with suffix “X” (UL and VDE approvals) may be supplied whenordering the above Part Numbers (UL approval only).

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TLP521, TLP521-2, TLP521-4
ORDER INFORMATIONTLP521X, TLP521-1X (UL and VDE Approvals)
After PN

PN

Description

Packing quantity

None

TLP521X, TLP521-1X
TLP521XGR, TLP521-1XGR
TLP521XBL, TLP521-1XBL,
TLP521XGB, TLP521-1XGB

Standard DIP4

100 pcs per tubeG

TLP521XG, TLP521-1XG,
TLP521XGRG, TLP521-1XGRG,TLP521XBLG, TLP521-1XBLG
TLP521XGBG, TLP521-1XGBG

10mm Lead Spacing

100 pcs per tubeSM

TLP521XSM, TLP521-1XSM,TLP521XGRSM,
TLP521-1XGRSM,
TLP521XBLSM,
TLP521-1XBLSM,
TLP521XGBSM,
TLP521-1XGBSM

Surface Mount

100 pcs per tube

SMT&R

TLP521XSMT&R,
TLP521-1XSMT&R
TLP521XGRSMT&R,
TLP521-1XGRSMT&R,
TLP521XBLSMT&R,
TLP521-1XBLSMT&R,
TLP521XGBSMT&R,
TLP521-1XGBSMT&R

Surface Mount Tape & Reel

1000 pcs per reel

Note :Optional Order Part No. TLP521-1X for TLP521X.

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TLP521, TLP521-2, TLP521-4
ORDER INFORMATIONTLP521-2X (UL and VDE Approvals)
After PN

PN

Description

Packing quantity

None

TLP521-2X, TLP521-2XGR,
TLP521-2XBL, TLP521-2XGB

G

TLP521-2XG, TLP521-2XGRG
10mm Lead Spacing
TLP521-2XBLG, TLP521-2XGBG

50 pcs per tubeSM

TLP521-2XSM,TLP521-2XGRSM,
TLP521-2XBLSM,
TLP521-2XGBSM

Surface Mount

50 pcs per tube

SMT&R

TLP521-2XSMT&R,
TLP521-2XGRSMT&R,
TLP521-2XBLSMT&R,
TLP521-2XGBSMT&R

Surface Mount Tape & Reel

1000 pcs per reelStandard DIP850 pcs per tube

TLP521-4X (UL and VDE Approvals)
After PN

PN

DescriptionNone

TLP521-4X, TLP521-4XGR,
TLP521-4XBL, TLP521-4XGB

G

TLP521-4XG, TLP521-4XGRG,
10mm Lead Spacing
TLP521-4XBLG, TLP521-4XGBG

25 pcs per tubeSM

TLP521-4XSM,
TLP521-4XGRSM,
TLP521-4XBLSM,
TLP521-4XGBSM

25 pcs per tube

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Standard DIP16

Packing quantity

Surface Mount

25 pcs per tube

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TLP521, TLP521-2, TLP521-4
PACKAGE DIMENSIONS in mm (inch)
DIP

TLP521TLP521-2

TLP521-4

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TLP521, TLP521-2, TLP521-4
PACKAGE DIMENSIONS in mm (inch)
G FormTLP521G

TLP521-2G

TLP521-4G

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TLP521, TLP521-2, TLP521-4
PACKAGE DIMENSIONS in mm (inch)
SMD

TLP521SMTLP521-2SM

TLP521-4SM

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TLP521, TLP521-2, TLP521-4
RECOMMENDED PAD LAYOUT FOR SMD (mm)TLP521SMTLP521-2SM

TLP521-4SM

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TLP521, TLP521-2, TLP521-4
TAPE AND REEL PACKAGINGTLP521SMT&R

TLP521-2SMT&R

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TLP521, TLP521-2, TLP521-4
IR REFLOW SOLDERING TEMPERATURE PROFILE FOR SMD(One Time Reflow Soldering is Recommended)

TP260°C

TP - 5°C
Max Ramp Up Rate
3°C/s

TEMP (°C)

TL
Tsmax

tP

Max Ramp Down Rate
6°C/s

217°C

TL

200°C

Tsmin 150°C
ts Preheat
60s – 120s

25°C
TIME (s)Time 25°C to Peak Temperature

Profile Details

Conditions

Preheat- Min Temperature (TSMIN)- Max Temperature (TSMAX)- Time TSMIN to TSMAX (ts)

150°C
200°C
60s - 120s

Soldering Zone
- Peak Temperature (TP)- Time at Peak Temperature- Liquidous Temperature (TL)
- Time within 5°C of Actual Peak Temperature (TP ̶ 5°C)
- Time maintained above TL (tL)- Ramp Up Rate (TL to TP)- Ramp Down Rate (TP to TL)

260°C
10s max
217°C
30s max
60s - 100s
3°C/s max
6°C/s max

Average Ramp Up Rate (Tsmax to TP)

3°C/s maxTime 25°C to Peak Temperature

8 minutes max

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DISCLAIMER
Isocom Components is continually working to improve the quality and reliability of its products.

Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,when utilizing Isocom Components products, to comply with the standards of safety in making
a safe design for the entire system, and to avoid situations in which a malfunction or failure ofsuch Isocom Components products could cause loss of human life, bodily injury or damage toproperty.
In developing your designs, please ensure that Isocom Components products are used within
specified operating ranges as set forth in the most recent Isocom Components products
specifications.
The Isocom Components products listed in this document are intended for usage in generalelectronics applications (computer, personal equipment, office equipment, measuring
equipment, industrial robotics, domestic appliances, etc.). These Isocom Components
products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause lossof human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation Instruments, traffic
signal instruments, combustion control instruments, medical Instruments, all types of safety
devices, etc... Unintended Usage of Isocom Components products listed in this document
shall be made at the customer’s own risk.
Gallium arsenide (GaAs) is a substance used in the products described in this document.
GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals todissolve them. When disposing of the products, follow the appropriate regulations. Do notdispose of the products with other industrial waste or with domestic garbage.
The products described in this document are subject to the foreign exchange and foreign tradelaws.
The information contained herein is presented only as a guide for the applications of ourproducts. No responsibility is assumed by Isocom Components for any infringements ofintellectual property or other rights of the third parties which may result from its use. No license
is granted by implication or otherwise under any intellectual property or other rights of IsocomComponents or others.
The information contained herein is subject to change without notice.

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