K3620 KODENSHI
Document overview
- PDF pages: 3
Technical content
Page 1
K3620 • K3621
DIMENSION (Unit : mm)
These Photocouplers cosist of a Gallium Arsenide Infrared Emitting

Diode and a Silicon NPN PhotoDarlington transistor in a 6-pin package.
FEATURES
- Collector-Emitter Voltage : Min.35V
- Current Transfer Ratio : Typ.500% (at IF=1mA, VCE=2V)
- Electrical Isolation Voltage : AC2500Vrms
- UL Recognized File No. E107486
APPLICATIONS
- Interface between two circuits of different potential
- Telephone Line Receiver
- Automatic Vending Machine
- Power Supply Regulators
MAXIMUM RATINGS
( Ta=25℃ )
| Parameter | Symbol | Rating | Unit | |
|---|---|---|---|---|
| Input | Forward Current | IF | 60 | mA |
| Reverse Voltage | VR | 5 | V | |
| *1 Peak Forward Current | IFP | 1 | A | |
| Power Dissipation | PD | 150 | mW | |
| Junction Temperature | TJ | 1 2 5 | ℃ | |
| Output | Collector-Emitter Breakdown Voltage | BVCEO | 35 | V |
| Emitter-Collector Breakdown Voltage | BVECO | 6 | V | |
| Collector-Base Breakdown Voltage** | BVCBO | 35 | V | |
| Collector Current | IC | 50 | mA | |
| Collector Power Dissipation | PC | 150 | mW | |
| *2 Input to Output Isolation Voltage | Viso | AC2500 | Vrms | |
| Storage Temperature | Tstg | -55~+125 | ℃ | |
| Operating Temperature | Topr | -30~+100 | ℃ | |
| *3 Lead Soldering Temperature | Tsol | 260 | ℃ | |
| Total Power Dissipation | Ptot | 200 | mW | |
\*\* Except for K3620 \*1. Input current with 100㎲ pulse width, 1% duty cycle \*2. Measured at RH=40~60% for 1min \*3. 1/16 inch form case for 10sec
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Page 2
K3620 • K3621
ELECTRO-OPTICAL CHARACTERISTICS
(Ta=25℃ , unless otherwise noted)
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit. | |
|---|---|---|---|---|---|---|---|
| Input | Forward Voltage | VF | IF=10mA | - | 1.15 | 1.30 | V |
| Reverse Current | IR | V =5V R | - | - | 10 | ㎂ | |
| Capacitance | CT | V=0, f=1MHz | - | 30 | - | pF | |
| Output | Collector-Emitter Breakdown Voltage | BVCEO | IC=1mA | 35 | - | - | V |
| Emitter-Collector Breakdown Voltage | BVECO | IE=0.1mA | 6 | - | - | V | |
| Collector-Base Breakdown Voltage ** | BVCBO | I =0.1mA C | 35 | - | - | V | |
| Collector Dark Current | ICEO | IF=0, VCE=10V | - | - | 100 | nA | |
| Capacitance | CCE | VCE=0, f=1MHz | - | 10 | - | pF | |
| Coupled | *4 Current Transfer Ratio | CTR | IF=1mA, VCE=2V | 500 | - | % | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | IF=1mA, IC=2mA | - | 0.85 | 1.0 | V | |
| Input-Output Capacitance | CIO | V=0, f=1MHz | - | 1 | - | pF | |
| Input-Output Isolation Resistance | RIO | RH=40~60%, V=500V | - | 1011 | - | Ω | |
| Rise Time | tr | VCE=10V, RL=100Ω IC=2mA | - | 100 | - | ㎲ | |
| Fall Time | tf | - | 100 | - | ㎲ | ||
\*\* Except for K3620 \*4. CTR=(IC/IF) X 100 (%)
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Page 3
K3620 • K3621
Forward Current vs.
Collector Power Dissipation vs.
Ambient Temperature
Ambient Temperature


Ambient Temperature Ta (℃)
Ambient Temperature Ta (℃)
Collector Current vs.
Dark Current vs.
Collector-Emitter Voltage
Ambient Temperature

Forward Current vs. Forward Voltage

Forward Voltage VF (V)
Collector Current vs. Forward Current

Ta=25℃ Ta=25℃
| IF=3mA | |
| IF=2.5mA | |
| IF=2mA IF = | 1.5mA PC(max.) |
| IF=1mA | |
| IF=0.5mA |
40
30
20
10
0 2 4 6 8 10
Collector-Emitter Voltage VCE (V)
Forward Current IF (mA)
Ambient Temperature Ta (℃)
Switching Time Test Circuit

Input Output 10% tr tf
90% Waveform
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