QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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QT-Brightek Optocoupler Series
4-PIN DC Input Phototransistor Optocoupler
Part No.: QT851
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 1 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
----------------------------------------------------------------------------------------------------------------------------------------Table of Contents:
Introduction ........................................................................................................................................... 3
Absolute Maximum Rating .................................................................................................................... 6
Electrical Characteristic (TA=25 oC) ....................................................................................................... 7
DC Transfer Characteristic.................................................................................................................... 7
AC Characteristic .................................................................................................................................. 7
Characteristic Curves ............................................................................................................................ 8
Test Circuit for Response Time........................................................................................................... 10
Solder Profile & Footprint .................................................................................................................... 11
Packing & Labeling ............................................................................................................................. 14
Device Marking ................................................................................................................................... 17
Ordering Information ........................................................................................................................... 18
Revision History .................................................................................................................................. 19
Disclaimer ........................................................................................................................................... 19
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 2 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Introduction
Feature:
• High Isolation voltage between input and
output (Viso = 5000V rms)
• Creepage distance ≥ 7.5mm (S/SL Type)
• Creepage distance ≥ 8.0mm (SLM Type)
• Operating Temperature up to 100 ºC
• Available in Tube or Tape and reel
• Available with standard DIP-4, Gullwing lead
bend, SMD lead bend, SMD low profile and
SMD Gullwing options.
Certification & Compliance:
•
Pb free and RoHS Compliant
•
UL recognized (File #E338132)
•
cUL recognized (File #E338132)
•
VDE (Pending Approval)
Schematic:
Dimension: (Dot location indicates pin 1)
4-Pin Dip (standard):
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 3 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
----------------------------------------------------------------------------------------------------------------------------------------Gullwing (400mil) lead bend (Option M):
SMD lead bend (Option S):
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 4 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
----------------------------------------------------------------------------------------------------------------------------------------SMD (Low Profile) bend (Option SL):
SMD (Gullwing) bend (Option SLM):
-
All Dimensions are in mm
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 5 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Absolute Maximum Rating
Symbol
Parameter
VISO
TSTG
TOPR
Isolation voltage (AC, 1 minute)
Storage Temperature
Operating Temperature
TSOL
PTOT
Lead Solder Temperature
Total Power Dissipation
Rating
Units
5000
-55 ~ 150
-55 ~ 100
VRMS
ºC
ºC
260 for 10 sec
260
ºC
mW
EMITTER
IF
IFP
Continuous Forward Current
Peak Forward Current (≤ 1us, 300pps)
80
1
mA
A
VR
PD
Reverse Voltage
Power Dissipation
6
150
V
mW
DETECTOR
BVCEO
Collector–Emitter Breakdown Voltage
350
V
BVECO
IC
PC
Emitter-Collector Breakdown Voltage
Continuous Collector Current
Collector Power Dissipation
7
100
300
V
mA
mW
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 6 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Electrical Characteristic (TA=25 oC)
Emitter
Symbol
VF
IR
CIN
Characteristic
Forward Voltage
Reverse Current
Input Capacitance
Test Condition
IF = 10mA
VR = 6V
f = 1MHz
Min
-
Range
Typ
1.2
30
Min
Range
Typ
Max
1.4
10
-
Unit
V
μA
pF
Detector
Symbol
ICEO
BVCEO
BVECO
Characteristic
Test Condition
Collector-Emitter
Dark current
Collector-Emitter
breakdown voltage
Emitter-Collector
breakdown voltage
Max
Unit
VCE =20V,
IF =0mA
-
-
100
nA
IC = 100 µA
350
-
-
V
IE = 100 µA
7
-
-
V
DC Transfer Characteristic
Symbol
CTR
VCE(Sat)
RIO
CIO
Characteristic
Current
Transfer Ratio
CollectorEmitter
saturation
voltage
Isolation
Resistance
Isolation
Capacitance
Test Condition
Min
Range
Typ
Max
Unit
IF=5mA, VCE=5V
50
-
600
%
IF=20mA,
IC= 1mA
-
-
0.4
V
VIO =500VDC
5X1010
-
-
Ω
-
0.5
1.0
pF
Min
-
Range
Typ
6
8
Max
-
f = 1MHz
AC Characteristic
Symbol Characteristic
tr
tf
Rise time
Fall time
Product: QT851
Test Condition
VCE = 2V, IC = 2mA, RL =100Ω
Unit
Date: February 12, 2018
Version# 1.0
μs
Page 7 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Characteristic Curves
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 8 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Product: QT851
Date: February 12, 2018
Version# 1.0
Page 9 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Test Circuit for Response Time
Switching Time Test Circuits
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 10 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Solder Profile & Footprint
Wave soldering
Temperature: 260 +0/-5 oC
Time: 10 Sec
Preheat temperature: 25 to 140 oC
Preheat time: 30 to 80 sec.
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 11 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
----------------------------------------------------------------------------------------------------------------------------------------Reflow soldering
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 12 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
----------------------------------------------------------------------------------------------------------------------------------------SMD lead bend (Option S) & SMD (Low Profile) bend (Option SL):
Recommended Solder Footprint for SMD Leadform
Units: mm
tolerance: +/- 0.1mm
SMD (Gullwing) bend (Option SLM):
Recommended Solder Footprint for SMD Leadform
Units: mm
Product: QT851
tolerance: +/- 0.1mm
Date: February 12, 2018
Version# 1.0
Page 13 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Packing & Labeling
Option S(T1) & SL(T1)
Option S(T2) & SL(T2)
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 14 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Option S(T3) & SL(T3)
Option S(T4) & SL(T4)
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 15 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Option SLM(T1)
Option SLM(T2)
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 16 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Device Marking
QT = QT-Brightek Corporation
851 = part number
Y = Year
WW = Week
V = VDE Option
K= Manufacturing code
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 17 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Ordering Information
QT851(V)(Y)(Z)
V = VDE option (V or None)
Y = Lead form option (S, SL, M, SLM)
Z=Tape and reel option (T1, T2, T3, T4 or none)
Option
Description
Quantity
None
Standard 4-Pin DIP
100 Units/Tube
M
Gullwing
100 Units/Tube
S(T1)
Surface Mount Lead Forming – with Option 1 Taping
1500 pcs/ reel
S(T2)
Surface Mount Lead Forming – with Option 2 Taping
1500 pcs/ reel
S(T3)
Surface Mount Lead Forming – with Option 3 Taping
1000 pcs/ reel
S(T4)
Surface Mount Lead Forming – with Option 4 Taping
1000 pcs/ reel
SL(T1)
SMD (Low Profile) Lead Forming – with Option 1
Taping
SMD (Low Profile) Lead Forming – with Option 2
Taping
SMD (Low Profile) Lead Forming – with Option 3
Taping
SMD (Low Profile) Lead Forming – with Option 4
Taping
SMD (Gullwing) Lead Forming – with Option 1
Taping
SMD (Gullwing) Lead Forming – with Option 2
Taping
1500 pcs/ reel
SL(T2)
SL(T3)
SL(T4)
SLM(T1)
SLM(T2)
Product: QT851
1500 pcs/ reel
1000 pcs/ reel
1000 pcs/ reel
1500 pcs/ reel
1500 pcs/ reel
Date: February 12, 2018
Version# 1.0
Page 18 of 19
QT851
4-PIN DC INPUT
PHOTOTRANSISTOR OPTOCOUPLER
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Revision History
Description:
Initial release of QT851
Revision #
1.0
Revision Date
02/12/2018
Disclaimer
QT-BRIGHTEK reserves the right to make changes without further notice to any products herein to
improve reliability, function or design. QT-BRIGHTEK does not assume any liability arising out of the
application or use of any product or circuit described herein; neither does it convey any license under
its patent rights, nor the rights of others.
Life Support Policy
QT-BRIGHTEK’s products are not authorized for use as critical components in life support devices or
systems without the express written approval of QT-BRIGHTEK. As used herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in
a significant injury of the user.
2. A critical component in any component of a life support device or system whose failure to perform
can be reasonably expected to cause the failure of the life support device or system, or to affect its
safety or effectiveness.
Product: QT851
Date: February 12, 2018
Version# 1.0
Page 19 of 19
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