European Safety Standard Approved, Long Creepage Distance Type Phototriac Couplers

❈Lead forming type (I type)of S21ME series is also available.         (S21ME3I/S21ME4I/S21ME3FI/S21ME4FI)
❈DIN-VDE0884 approved type is also available as an option.
❈Taping reel type (P type)of S21ME series is also available. (S21ME3P/S21ME4P/S21ME3FP/S21ME4FP)

■Features
1. Long creepage distance type (Creepage distance : 8mm or more)
2. Internal insulation distance : 0.5mm or more
3. Description of approved safety standards(Lead forming type is also registered as
S21ME3/S21ME4.)
Recoginized by UL 1577 (double protection included)
file No. E64380
Approved by VDE, No. 68328
Approved by BSI (BS415 : No. 6690, BS7002 : No. 7421)
Approved by SEMKO
S21ME3/S21ME3F No. 8705122
S21ME4/S21ME4F No. 8705123
Approved by DEMKO, No. 84857
Approved by EI
S21ME3/S21ME3F No. 099443-01
S21ME4/S21ME4F No. 099444-01
4. Low minimum trigger current(IFT : MAX. 7mA)
5. Built-in zero-cross circuit(S21ME4/S21ME4F)
6. Lead forming type/S21ME3F, S21ME4F(Distance between lead pins : 10.16mm)
7. High repetitive peak OFF-state voltage(VDRM : MIN. 600V)
8. High isolation voltage between input and output(Viso : 5 000Vrms)

■Applications
1. For triggering medium/high power triac