© Semiconductor Components Industries, LLC, 2018
August, 2020 Rev. 4
1Publication Order Number:
FOD4218/D
6-Pin DIP High dv/dt
Random Phase Triac
Drivers
FOD420, FOD4208,
FOD4216, FOD4218
Description
The FOD420, FOD4208, FOD4216 and FOD4218 devices consist
of an infrared emitting diode coupled to a hybrid random phase triac
formed with two inverse parallel SCRs which form the triac function
capable of driving discrete triacs. The FOD4216 and FOD4218 utilize
a high efficiency infrared emitting diode which offers an improved
trigger sensitivity. These devices are housed in a standard 6pin dual
inline (DIP) package.
Features
300 mApeak OnState Current
High Blocking Voltage
600 V (FOD420, FOD4216)
800 V (FOD4208, FOD4218)
High Trigger Sensitivity
1.3 mA (FOD4216, FOD4218)
2 mA (FOD420, FOD4208)
High Static dv/dt (10,000 V/ms)
Safety and Regulatory Approvals:
UL1577, 5,000 VACRMS for 1 Minute
DINEN/IEC6074755
These Devices are PbFree and are RoHS Compliant
Applications
SolidState Relays
Industrial Controls
Lighting Controls
Static Power Switches
AC Motor Starters
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MARKING DIAGRAM
FUNCTIONAL SCHEMATIC
ON = ON Semiconductor Logo
FOD420 = Device Number
V = VDE mark. DIN EN/IEC6074755
Option (only appears on component
ordered with this option)
X = OneDigit Year Code
YY = Digit Work Week
D = Assembly Package Code
See detailed ordering and shipping information on page 8
of this data sheet.
ORDERING INFORMATION
6
1
6
6
1
1
PDIP6 7.3x6.5, 2.54P
CASE 646CE
PDIP6 7.3x6.5, 2.54P
CASE 646CF
PDIP6 GW
CASE 709AG
V X YY D
FOD420
ON
*DO NOT CONNECT
(TRIAC SUBSTRATE)
MAIN TERM.
NC*
N/C
1
2
3
ANODE
CATHODE
4
5
6MAIN TERM.
FOD420, FOD4208, FOD4216, FOD4218
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2
SAFETY AND INSULATION RATINGS
Parameter Characteristics
Installation Classifications per DIN VDE 0110/1.89 Table 1, For Rated Mains Voltage < 150 VRMS I–IV
< 300 VRMS I–IV
Climatic Classification 55/100/21
Pollution Degree (DIN VDE 0110/1.89) 2
Comparative Tracking Index 175
Symbol Parameter Value Unit
VPR InputtoOutput Test Voltage, Method A, VIORM x 1.6 = VPR, Type and Sample
Test with tm = 10 s, Partial Discharge < 5 pC
1360 Vpeak
InputtoOutput Test Voltage, Method B, VIORM x 1.875 = VPR, 100% Production
Test with tm = 1 s, Partial Discharge < 5 pC
1594 Vpeak
VIORM Maximum Working Insulation Voltage 850 Vpeak
VIOTM Highest Allowable OverVoltage 6000 Vpeak
External Creepage 7 mm
External Clearance 7 mm
DTI Distance Through Insulation (Insulation Thickness) 0.4 mm
TSCase Temperature (Note 1) 175 °C
IS,INPUT Input Current (Note 1) 400 mA
PS,OUTPUT Output Power (Note 1) 700 mW
RIO Insulation Resistance at TS, VIO = 500 V (Note 1) >10
9
W
As per DIN EN/IEC 6074755, this optocoupler is suitable for “safe electrical insulation” only within the safety limit data. Compliance with the
safety ratings shall be ensured by means of protective circuits.
1. Safety limit values – maximum values allowed in the event of a failure.
FOD420, FOD4208, FOD4216, FOD4218
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3
ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified)
Symbol Parameter Device Value Unit
TSTG Storage Temperature All 55 to +150 °C
TOPR Operating Temperature All 55 to +100 °C
TJJunction Temperature All 55 to +125 °C
TSOL Lead Solder Temperature All 260 for 10 sec °C
PD(TOTAL) Total Device Power Dissipation @ 25°C All 500 mW
Derate Above 25°C All 6.6 mW/°C
EMITTER
IFContinuous Forward Current All 30 mA
VRReverse Voltage All 6 V
PD(EMITTER) Total Power Dissipation 25°C Ambient All 50 mW
Derate Above 25°C All 0.71 mW/°C
DETECTOR
VDRM OffState Output Terminal Voltage FOD420, FOD4216 600 V
FOD4208, FOD4218 800
ITSM Peak NonRepetitive Surge Current (single cycle 60 Hz sine wave) All 3 Apeak
ITM Peak OnState Current All 300 mApeak
PD(DETECTOR) Total Power Dissipation @ 25°C Ambient All 450 mW
PD(DETECTOR) Derate Above 25°C All 5.9 mW/°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
FOD420, FOD4208, FOD4216, FOD4218
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4
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Symbol Parameter Test Condition Device Min Typ Max Unit
INDIVIDUAL COMPONENT CHARACTERISTICS
Emitter
VFInput Forward Voltage IF = 20 mA All 1.28 1.50 V
IRReverse Leakage Current VR = 6 V All 0.01 10 mA
Detector
ID(RMS) Peak Blocking Current,
Either Direction
IF = 0,
TA = 100°C
(Note 2)
VD = 600 V FOD420,
FOD4216
3 100 mA
VD = 800 V FOD4208,
FOD4218
IR(RMS) Reverse Current TA = 100°CVD = 600 V FOD420,
FOD4216
3 100 mA
VD = 800 V FOD4208,
FOD4218
dv/dt Critical Rate of Rise of
OffState Voltage
IF = 0 A (Note 3) VD = VDRM All 10,000 V/ms
TRANSFER CHARACTERISTICS
IFT LED Trigger Current Main Terminal Voltage = 5 V (Note 4) FOD420,
FOD4208
0.75 2.0 mA
FOD4216,
FOD4218
0.75 1.3
VTM Peak OnState Voltage,
Either Direction
ITM = 300 mA peak, IF = Rated IFT All 2.2 3 V
IHHolding Current, Either
Direction
VT = 3 V All 200 500 mA
ILLatching Current VT = 2.2 V All 5mA
tON TurnOn Time PF = 1.0,
IT = 300 mA
VRM = VDM = 424 VAC FOD420,
FOD4216,
FOD4218
60 ms
VRM = VDM = 565 VAC FOD4208
tOFF TurnOff Time VRM = VDM = 424 VAC FOD420,
FOD4216,
FOD4218
52 ms
VRM = VDM = 565 VAC FOD4208
dv/dtCCritical Rate of Rise of
Voltage at Current
Commutation
VD = 230 VRMS, ID = 300 mAPK All 10 V/ms
di/dtCCritical Rate of Rise of
OnState Current
Commutation
VD = 230 VRMS, ID = 300 mAPK All 9A/ms
dv(IO)/dt Critical Rate of Rise of
Coupled Input / Output
Voltage
IT = 0 A, VRM = VDM = 424 VAC All 10,000 V/ms
ISOLATION CHARACTERISTICS
VISO Steady State Isolation
Voltage
f = 60 Hz, t = 1 Minute (Note 5) All 5,000 VACRMS
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
2. Test voltage must be applied within dv/dt rating.
3. This is static dv/dt.. Commutating dv/dt is a function of the loaddriving thyristor(s) only.
4. All devices are guaranteed to trigger at an IF value less than or equal to max IFT
.Therefore, recommended operating IF lies between max IFT
(2 mA for FOD420 and FOD4208 and 1.3 mA for FOD4216 and FOD4218) and the absolute max IF (30 mA).
5. Isolation voltage, VISO, is an internal device dielectric breakdown rating. For this test, pins 1, 2 and 3 are common, and pins 4, 5 and 6 are
common. 5,000 VACRMS for 1 minute duration is equivalent to 6,000 VACRMS for 1 second duration.
FOD420, FOD4208, FOD4216, FOD4218
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5
TYPICAL APPLICATION
Figure 1 shows a typical circuit for when hot line
switching is required. In this circuit the “hot” side of the line
is switched and the load connected to the cold or neutral side.
The load may be connected to either the neutral or hot line.
Rin is calculated so that IF is equal to the rated IFT of the
part, 2 mA for FOD420 and FOD4208, 1.3 mA for
FOD4216 and FOD4218. The 39 W resistor and 0.01 mF
capacitor are for snubbing of the triac and may or may not
be necessary depending upon the particular triac and load
use.
0.01 mF
VCC
Rin 1
2
3
6
5
4240 VAC
HOT
FKPF12N80
NEUTRAL
360 W
39 W*
LOAD
V
CC
Rin
1
2
3
6
5
4
240 VAC
SCR
R1 D1
SCR
R2 D2
LOAD
FOD420
FOD4208
FOD4216
FOD4218
330 W
*For highly inductive loads (power factor < 0.5), change this value to 360 W.
FOD420
FOD4208
FOD4216
FOD4218 360 W
Figure 1. HotLine Switching Application Circuit
Figure 2. InverseParallel SCR Driver Circuit
Suggested method of firing two, backtoback SCR’s
with On Semiconductor triac driver. Diodes can be 1N4001;
resistors, R1 and R2, are optional 330 W.
NOTE: This optoisolator should not be used to drive a
load directly. It is intended to be a discrete triac
driver device only.
FOD420, FOD4208, FOD4216, FOD4218
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6
TYPICAL CHARACTERISTICS
0.5
0.2
0.1
t
t
t
t
DF =
4060
0.6
0.8
1.0
1.2
1.4
1.6
VAK = 5.0 V
Normalized to TA = 25°C
F – FORWARD CURRENT (mA)
VF – FORWARD VOLTAGE (V)
0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
TA – AMBIENT TEMPERATURE (°C)
IFT – NORMALIZED LED TRIGGER CURRENT
55°C
25°C
85°C
1
1
10
100
106105104103102101100101
10000
1000
100
10
200
0
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
02
1
10
100
1000
t – LED PULSE DURATION (s)
If(pk) – PEAK LED CURRENT (mA)
PW – PULSE WIDTH (ms) VTM – ONSTATE VOLTAGE (V)
ITM – ONSTATE CURRENT (mA) tD – DELAY TIME (ms)
I
Figure 3. Forward Voltage (VF)
vs. Forward Current (IF)
1 10 100 020 4020 60 80 100
Figure 4. Normalized LED Trigger Current (IFT)
vs. Ambient Temperature (TA)
Duty Factor
0.005
0.01
0.02
0.05
0.1
0.2
0.5
Figure 5. Peak LED Current vs. Duty Factor, Tau
IFT / IF – NORMALIZED IF (mA)
10 100
TD = t (IF / IFT 25°C)
VD = 400 VPP
F = 60 Hz
Figure 6. Trigger Delay Time
VL = 250 VPP
F = 60 Hz
Normalized to DC
IFTH(PW) / IFTH(DC) NORMALIZED IFTH
400 600 800 1000
Figure 7. Pulse Trigger Current
143
Figure 8. OnState Voltage (VTM)
vs. OnState Current (ITM)
TA = 25°CTA = 100°C
56
FOD420, FOD4208, FOD4216, FOD4218
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7
TYPICAL CHARACTERISTICS (continued)
0.1
1
10
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
50
100
150
200
250
300
350
Figure 9. Normalized Holding Current (IH)
vs. Ambient Temperature (TA)
TA – AMBIENT TEMPERATURE (°C)
IH – NORMALIZED HOLDING CURRENT
ITP – PEAK ONSTATE CURRENT (mA)
TA – AMBIENT TEMPERATURE (°C)
Figure 10. Normalized OffState Current (IDRM)
vs. Ambient Temperature (TA)
IDRM
– NORMALIZED OFFSTATE CURRENT
4060 020 4020 60 80 100 4060 020 4020 60 80 100
VD = 800 V, IBD (mA)
Normalized to to TA = 25°C
Normalized to to TA = 25°C
TA – AMBIENT TEMPERATURE (°C)
4060 020 4020 60 80 100
ITP = f (TA)
Figure 11. Current Reduction
FOD420, FOD4208, FOD4216, FOD4218
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8
REFLOW PROFILE
Figure 12. Reow Prole
Peak reflow temperature: 262°C (package surface temperature)
Time of temperature higher than 183°C for 160 seconds or less
One time soldering reflow is recommended
245°C, 10 to 30 seconds
Time (Minute)
0
300
250
200
150
100
50
0
Temperature (°C)
Time above 183°C, < 160 seconds
Ramp up = 2 to 10°C/second
260°C peak
0.5 1 1.5 2 2.5 3 3.5 4 4.5
ORDERING INFORMATION
Part Number Package Shipping
FOD420 DIP 6Pin 50 Units / Tube
FOD420S SMT 6Pin (Lead Bend) 50 Units / Tube
FOD420SD SMT 6Pin (Lead Bend) 1000 / Tape & Reel
FOD420V DIP 6Pin, DIN EN/IEC6074755 Option 50 Units / Tube
FOD420SV SMT 6Pin (Lead Bend), DIN EN/IEC6074755 Option 50 Units / Tube
FOD420SDV SMT 6Pin (Lead Bend), DIN EN/IEC6074755 Option 1000 / Tape & Reel
FOD420TV DIP 6Pin, 0.4” Lead Spacing, DIN EN/IEC6074755 Option 50 Units / Tube
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
6. The product orderable part number system listed in this table also applies to the FOD4208, FOD4216, and FOD4218product families.
PDIP6 7.3x6.5, 2.54P
CASE 646CE
ISSUE O
DATE 31 JUL 2016
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
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DOCUMENT NUMBER:
DESCRIPTION:
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Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
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PDIP6 7.3X6.5, 2.54P
© Semiconductor Components Industries, LLC, 2019 www.onsemi.com
PDIP6 7.3x6.5, 2.54P
CASE 646CF
ISSUE O
DATE 31 JUL 2016
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
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PDIP6 7.3X6.5, 2.54P
© Semiconductor Components Industries, LLC, 2019 www.onsemi.com
PDIP6 GW
CASE 709AG
ISSUE A
DATE 31 JUL 2016
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
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DOCUMENT NUMBER:
DESCRIPTION:
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
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© Semiconductor Components Industries, LLC, 2019 www.onsemi.com
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1
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PUBLICATION ORDERING INFORMATION
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