9
Insulation and Safety Related Specications
Value
Parameter Symbol HCPL-4506 HCPL-J456 HCPL-0466 HCNW4506 Units Conditions
Minimum External L(101) 7.1 7.4 4.9 9.6 mm Measured from input
Air Gap (External terminals to output
Clearance) terminals, shortest
distance through air.
Minimum External L(102) 7.4 8.0 4.8 10.0 mm Measured from input
Tracking (External terminals to output
Creepage) terminals, shortest
distance path along body.
Minimum Internal 0.08 0.5 0.08 1.0 mm Through insulation
Plastic Gap distance, conductor to
(Internal Clearance) conductor, usually the
direct distance between
the photoemitter and
photodetector inside the
optocoupler cavity.
Minimum Internal NA NA NA 4.0 mm Measured from input
Tracking (Internal terminals to output
Creepage) terminals, along internal
cavity.
Tracking Resistance CTI ≥175 ≥175 ≥175 ≥200 Volts DIN IEC 112/VDE 0303
(Comparative Part 1
Tracing Index)
Isolation Group IIIa IIIa IIIa IIIa Material Group (DIN
VDE 0110, 1/89, Table 1)
Regulatory Information
The devices contained in this data sheet have been approved by the following agencies:
Agency/Standard HCPL-4506 HCPL-J456 HCPL-0466 HCNW4506
Underwriters Laboratories (UL) UL 1577
Recognized under UL 1577, Component • • • •
Recognized Program, Category FPQU2,
File E55361
Canadian Standards Component
Association (CSA) Acceptance • • • •
File CA88324 Notice #5
Verband Deutscher DIN VDE 0884
Electrotechniker (VDE) (June 1992) • • •
IEC/EN/DIN EN 60747-5-2
Approved under:
IEC 60747-5-2:1997 + A1:2002 • • • •
EN 60747-5-2:2001 + A1:2002
DIN EN 60747-5-2 (VDE 0884 Teil 2):2003-01
