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