PRELIMINARY
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638 Phone: (562) 404-4474 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com
SRM3HF thru SRM4HF Series
20 AMP 300-400 Volts 40 nsec Hyper Fast Rectifier
Features:
• • • • • • • • • • • Replaces DO-4 and DO-5 (1N5816,1N6306) High Current/ Voltage Version of 1N5811 Hyper Fast Recovery PIV to 400 Volts Low Reverse Leakage Current Hermetically Sealed Void-Free Construction 3/ Monolithic Single Chip Construction High Surge Rating Low Thermal Resistance Available in Surface Mount Versions Equivalent to 1N6688-1N6689 T X, TXV, and Space Level Screening Available
Designer’s Data Sheet
Part Number / Ordering Information 1/ SRM__ HF __ __
│ │ └ Screening2/ __ = Not Screened │ │ T X = TX Level TXV = TXV │ │ S = S Level │ │ │ └ Package Type __ = Axial │ SMS = Surface Mount Square Tab │ BTR = Button │ │ └ Voltage 3 = 300 V
4 = 400 V
•
M AXIMUM RATINGS
Peak Repetitive Reverse Voltage and DC Blocking Voltage Average Rectified Forward Current
(Resistive Load, 60Hz Sine Wave, TA=25◦C)
Symbol
SRM3HF SRM4HF VRRM VRWM VR IO IFSM T op & T stg
Axial ( ) Square Tab (SMS) Button (BTR)
Value
300 400 20 475 -65 to +175 3.0 2.5 1.0
Units
Volts Amps Amps
o
Peak Surge Current
(8.3 ms Pulse, Half sine Wave Superimposed on Io, Allow Junction to Reach Equilibrium Between Pulses, TA=25oC)
Operating and Storage Temperature Maximum Thermal Resistance
(Axial – Junction to Lead, L=3/8”) (SMS – Junction to End Tab) (Button – Junction to Case)
C
Rθ JL Rθ JE Rθ JC
o
C/W
Notes: 1/ For ordering information, price, operating curves, and availability, contact factory. 2/ Modified MIL-PRF-19500 Screening Flow – Consult Factory. 3/ P IND testing not required on void free devices per MIL-PRF-19500.
Axial
SMS
Button
NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: RH0165F
DOC
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638 Phone: (562) 404-4474 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com
SRM3HF thru SRM4HF Series
ELECTRICAL CHARACTERISTICS
Instantaneous Forward Voltage Drop
(IF = 20Adc, 500 μsec Pulse, T A = 25oC)
Symbol
VF1 VF2 IR1 IR2 CJ trr
M ax
1.05 1.2 100 10 350 40
Unit
Vdc Vdc μA mA pF nsec
Instantaneous Forward Voltage Drop
(IF = 20Adc, 300 μsec Pulse, T A = -65oC)
Reverse Leakage Current Reverse Leakage Current Junction Capacitance
(Rated VR, 300 μsec Pulse Minimum, T A = 25oC) (Rated VR, 300 μsec Pulse Minimum, T A = 100oC) (VR =10 VDC, f = 1MHz, T A = 25oC) (IF = 0.5A, IR = 1.0 A, IRR = 0.25A, T A = 25oC)
Reverse Recovery Time
CASE OUTLINES:
Axial ( )
TOLERANCES (UNLESS SPECIFIED) .XX ± .03” .XXX ± .010”
Square Tab (SMS)
Button (BTR)
NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: RH0165F
DOC
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