S8055R Littelfuse Inc, S8055R Datasheet - Page 12

• Manufacturer Part Number: S8055R
• Description: SCRs 55A 800V
• Manufacturer: Littelfuse Inc

Specifications of S8055R

• Breakover Current Ibo Max: 650 A
• Rated Repetitive Off-state Voltage Vdrm: 800 V
• Off-state Leakage Current @ Vdrm Idrm: 0.02 mA
• On-state Rms Current (it Rms): 55 A
• Forward Voltage Drop: 1.8 V
• Gate Trigger Voltage (vgt): 1.5 V
• Gate Trigger Current (igt): 40 mA
• Holding Current (ih Max): 60 mA
• Mounting Style: Through Hole
• Package / Case: TO-220
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Peak Repetitive Off-state Voltage, Vdrm: 800V
• Gate Trigger Current Max, Igt: 0.04mA
• Current It Av: 55A
• On State Rms Current It(rms): 55A
• Peak Non Rep Surge Current Itsm 50hz: 550A
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SCRs
Figure E6.26 Power Dissipation (Typical) versus RMS On-state Current
http://www.littelfuse.com
[phone]
(25 A and 35 A)
32
28
24
20
16
12
8
4
0
0
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
4
RMS On-state Current [I
8
12
16
20
T(RMS)
24
] – Amps
28
32
36
E6 - 12
Figure E6.27 Power Dissipation (Typical) versus RMS On-state Current
(40 A through 70 A)
60
50
40
30
20
10
0
0
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
10
RMS On-state Current [I
20
30
40
T(RMS)
Thyristor Product Catalog
50
] – Amps
©2004 Littelfuse, Inc.
60
Data Sheets
70