1SMF5913B - 1SMF5957B SURFACE MOUNT SILICON ZENER .
1SMF5949B - SURFACE MOUNT SILICON ZENER DIODES
1SMF5913B - 1SMF5957B SURFACE MOUNT SILICON ZENER DIODES VOLTAGE RANGE: 3.3 - 240V POWER: 1.5Wa t t s Features ! Complete Voltage Range 3.3 to 240 Vo.