# Surface Mount Si-Rectifiers (S1A – S1M)

## General Description
· Surface mount silicon rectifiers.
· DO-214AC plastic case.
· Nominal current: 1 A
· Repetitive peak reverse voltage: 50 – 1000 V
· Weight: approx. 0.07 g
· Plastic material has UL classification 94V-0

## Maximum Ratings
· Repetitive Peak Reverse Voltage (VRRM): 50V (S1A) to 1000V (S1M)
· Surge Peak Reverse Voltage (VRSM): Matches VRRM for each type.
· Max. Average Forward Rectified Current (IF(AV)): 1 A (R-load, T = 100°C)
· Repetitive Peak Forward Current (IFRM): 6 A (f > 15 Hz)
· Peak Forward Surge Current (IFSM): 30 A (50 Hz half sine-wave, T = 25°C)
· Rating for Fusing: 4.5 A (t < 10 ms, T = 25°C)
· Junction Temperature: -50°C to +150°C
· Storage Temperature: -50°C to +150°C
· Max. terminal temperature: 100°C

## Characteristics
· Forward Voltage (VF): < 1.1 V (Tj = 25°C, IF = 1 A)
· Leakage Current (IR): < 5 µA (Tj = 25°C, VR = VRRM)
· Leakage Current (IR): < 50 µA (Tj = 100°C, VR = VRRM)
· Thermal Resistance (Junction to Ambient Air, RthA): < 70 K/W
· Thermal Resistance (Junction to Terminal, RthT): < 30 K/W

Mounting
· Mounted on P.C. board with 25 mm² copper pads at each terminal.