TLP521-1可以用到9600～19200；
限流电阻是1K；上拉电阻是1K；

6N137可以到10M；但是6N137需要按照datasheet来接它的外部电路才能达到10M的速度；

6N137的内部和典型电路

光耦合器的增益被称为晶体管输出器件的电流传输比 (CTR)，其定义是光电晶体管集电极电流与LED正向电流的比率(ICE/IF)。光电晶体管集电极电流与VCE有关，即集电极和发射极之间的电压

MICROCOUPLER为高温应用提升功耗性能

还有一种光耦是可控硅型光耦。
例如：moc3063、IL420；
它们的主要指标是负载能力；
例如：moc3063的负载能力是100mA；IL420是300mA；

上传IL420的pdf文档

上传IL420的pdf文档

FEATURES
? High Input Sensitivity IFT=2 mA
? Blocking Voltage, 600 V
? 300 mA On-State Current
? High Static dv/dt 10,000 V/ms
? Inverse Parallel SCRs Provide Commutatingdv/dt >2K V/ms
? Very Low Leakage <10mA
? Isolation Test Voltage from Double


Molded
Package 5300 VAC
RMS
? Small 6-Pin DIP Package
? Underwriters Lab File #E52744
? VDE 0884 Available with Option 1
Maximum Ratings
Emitter
Reverse Voltage ................................................ 6 V
Forward Current ........................................... 60 mA
Surge Current..................................................2.5 A
Power Dissipation.......................................100 mW
Derate from 25°C ................................1.33 mW/°C
Thermal Resistance..................................750°C/W
Detector
Peak Off-State Voltage ...................................600 V
Peak Reverse Voltage ....................................600 V
RMS On-State Current.................................300 mA
Single Cycle Surge............................................ 3 A
Total Power Dissipation ..............................500 mW
Derate from 25°C ..................................6.6 mW/°C
Thermal Resistance...................................150°C/W
Package
Storage Temperature................... –55°C to +150°C
Operating Temperature ............... –55°C to +100°C
Lead Soldering Temperature.............. 260°C/5 sec.
Isolation Test Voltage.........................5300 VACRMS


DESCRIPTION
The IL420 consists of a GaAs IRLED optically coupled to a photosensitive
non-zero crossing TRIAC network. The TRIAC consists of two
inverse parallel connected monolithic SCRs. These three semiconductors
are assembled in a six pin 0.3 inch dual in-line package, using high
insulation double molded, over/under leadframe construction.
High input sensitivity is achieved by using an emitter follower phototransistor
and a cascaded SCR predriver resulting in an LED trigger
current of less than 2 mA (DC).
The IL420 uses two discrete SCRs resulting in a commutating dV/dt of
greater than 10KV/ms. The use of a proprietary
dv/dt clamp
results in a
static dV/dt of greater than 10KV/ms. This clamp circuit has a MOSFET
that is enhanced when high dV/dt spikes occur between MT1 and MT2
of the TRIAC. When conducting, the FET clamps the base of the phototransistor,
disabling the first stage SCR predriver.
The 600 V blocking voltage permits control of off-line voltages up to 240
VAC, with a safety factor of more than two, and is sufficient for as much
as 380 VAC.
The IL420 isolates low-voltage logic from 120, 240, and 380 VAC lines to
control resistive, inductive, or capacitive loads including motors, solenoids,
high current thyristors or TRIAC and relays.
Applications include solid-state relays, industrial controls, office equipment,
and consumer appliances.

可控硅型光耦

还有一种光耦是可控硅型光耦。
例如：moc3063、IL420；
它们的主要指标是负载能力；
例如：moc3063的负载能力是100mA；IL420是300mA；

上传IL420的pdf文档

上传IL420的pdf文档

FEATURES
? High Input Sensitivity IFT=2 mA
? Blocking Voltage, 600 V
? 300 mA On-State Current
? High Static dv/dt 10,000 V/ms
? Inverse Parallel SCRs Provide Commutatingdv/dt >2K V/ms
? Very Low Leakage <10mA
? Isolation Test Voltage from Double


Molded
Package 5300 VAC
RMS
? Small 6-Pin DIP Package
? Underwriters Lab File #E52744
? VDE 0884 Available with Option 1
Maximum Ratings
Emitter
Reverse Voltage ................................................ 6 V
Forward Current ........................................... 60 mA
Surge Current..................................................2.5 A
Power Dissipation.......................................100 mW
Derate from 25°C ................................1.33 mW/°C
Thermal Resistance..................................750°C/W
Detector
Peak Off-State Voltage ...................................600 V
Peak Reverse Voltage ....................................600 V
RMS On-State Current.................................300 mA
Single Cycle Surge............................................ 3 A
Total Power Dissipation ..............................500 mW
Derate from 25°C ..................................6.6 mW/°C
Thermal Resistance...................................150°C/W
Package
Storage Temperature................... –55°C to +150°C
Operating Temperature ............... –55°C to +100°C
Lead Soldering Temperature.............. 260°C/5 sec.
Isolation Test Voltage.........................5300 VACRMS


DESCRIPTION
The IL420 consists of a GaAs IRLED optically coupled to a photosensitive
non-zero crossing TRIAC network. The TRIAC consists of two
inverse parallel connected monolithic SCRs. These three semiconductors
are assembled in a six pin 0.3 inch dual in-line package, using high
insulation double molded, over/under leadframe construction.
High input sensitivity is achieved by using an emitter follower phototransistor
and a cascaded SCR predriver resulting in an LED trigger
current of less than 2 mA (DC).
The IL420 uses two discrete SCRs resulting in a commutating dV/dt of
greater than 10KV/ms. The use of a proprietary
dv/dt clamp
results in a
static dV/dt of greater than 10KV/ms. This clamp circuit has a MOSFET
that is enhanced when high dV/dt spikes occur between MT1 and MT2
of the TRIAC. When conducting, the FET clamps the base of the phototransistor,
disabling the first stage SCR predriver.
The 600 V blocking voltage permits control of off-line voltages up to 240
VAC, with a safety factor of more than two, and is sufficient for as much
as 380 VAC.
The IL420 isolates low-voltage logic from 120, 240, and 380 VAC lines to
control resistive, inductive, or capacitive loads including motors, solenoids,
high current thyristors or TRIAC and relays.
Applications include solid-state relays, industrial controls, office equipment,
and consumer appliances.

 

光耦的部分型号