Datasheet
5
Insulation and Safety Related Specications
Parameter Symbol ACPL-M21L
ACPL-024L
/021L
ACPL-W21L
/K24L Units Conditions
Minimum External Air Gap
(Clearance)
L(101) 5 4.9 8 mm Measured from input terminals to output
terminals, shortest distance through air.
Minimum External
Tracking (Creepage)
L(102) 5 4.8 8 mm Measured from input terminals to output
terminals, shortest distance path along body.
Minimum Internal Plastic
Gap
(Internal Clearance)
0.08 0.08 0.08 mm Through insulation distance conductor to
conductor, usually the straight line distance
thickness between the emitter and detector.
Tracking Resistance
(Comparative Tracking Index)
CTI 175 175 175 Volts DIN IEC 112/VDE 0303 Part 1
Isolation Group IIIa IIIa IIIa Material Group (DIN VDE 0110, 1/89, Table 1)
Solder Reow Prole
Recommended reow condition as per JEDEC Standard, J-STD-020 (latest revision). Non-Halide Flux should be used.
Regulatory Information
The ACPL-M21L/024L/021L/W21L/K24L is approved by the following organizations:
UL
Approval under UL 1577, component recognition program up to V
ISO
= 3750 V
RMS
for
ACPL-M21L/024L/021L and VISO = 5000 V
RMS
for ACPL-W21L/K24L
CSA
Approval under CSA Component Acceptance Notice #5.
IEC/EN 60747-5-5
(Option 060 and 560 only)