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SUPER FAST GLASS PASSIVATED RECTIFIER
SF31G THRU SF38G
FEATURES
* * * * * *
VOLTAGE RANGE CURRENT
50 to 1000 Volts 3.0 Ampere
Super fast switching speed Glass passivated chip junction Low power loss, high efficiency Low leakage High Surge Capacity High temperature soldering guaranteed 260/10 seconds, 0.375(9.5mm) lead length
DO-27
.052(1.3) .048(1.2) DIA.
1.0(25.4) MIN.
.375(9.5) .335(8.5) .220(5.6) DIA. .197(5.0) 1.0(25.4) MIN.
MECHANICAL DATA
* * * * * *
Case: Transfer molded plastic Epoxy: UL94V-0 rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.042ounce, 1.19 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SF SF SYMBOLS 31G 32G Maximum Repetitive Peak Reverse Voltage VRRM 50 100 Maximum RMS Voltage VRMS 35 70 Maximum DC Blocking Voltage VDC 50 100
Maximum Average Forward Rectified Current 0.375"(9.5mm) lead length at T A=55 Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current at rated DC blocking Voltage at TA = 25 TA = 125 * * *
SF 33G 150 105 100
SF 34G 200 140 200 3.0 125
SF 35G 300 210 300
SF 36G 400 280 400
SF 37G 500 350 500
SF 38G 600 420 600
UNIT Volts Volts Volts Amps Amps
I(AV) IFSM VF IR trr CJ RJA TJ TSTG 50 0.95
1.25 5.0 50 35 30 30 (-55 to +150) (-55 to +150)
1.7
Volts A nS pF
/W
Maximum Reverse Recovery Time Test conditions lF= 0.5A, lR= 1.0A, lRR=0.25A Typical Junction Capacitance (Measured at 1.0MHz and applied reverse voltage of 4.0V) Typical Thermal Resistance (NOTE 1) Operating Junction Temperature Range Storage Temperature Range
Notes: 1. Thermal Resistance from Junction to Ambient with 0.375(9.5mm) lead length, PCB mounted.
E-mail: sales@cnmic.com
Web Site: www.cnmic.com
SUPER FAST GLASS PASSIVATED RECTIFIER
SF31G THRU SF38G
VOLTAGE RANGE CURRENT
50 to 1000 Volts 3.0 Ampere
RATING AND CHRACTERISTIC CURVES SF31G THRU SF38G
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE
AVERAGE FORWARD CURRENT,
150
2.0
CURRENT, (A)
8.3ms Single Half Sine-Wave (JEDEC Method) T= Tjmax 100
(A)
1.0
Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375(9.5mm) Lead Length
50
0 0 25 50 55 75 100 125 150 175 10 1 Cycle 1 2 4 6 8 10 20 40 60 100
AMBIENT TEMPERATURE, ( C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
100
FIG.4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT,
10
INSTANTANEOUS FORWARD CURRENT,
TJ =125 C 1.0
35
G-
36
10
G34 G
G
SF 31
SF
(A)
S
1.0
7G F3
(A)
0.1
8G -3
TJ =25 C
0.1
TJ=25 C Pulse Width=300us 1% Duty Cycle
0.01 0 20 40 60 80 100 120 140
0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE,(pF)
F1G.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
Trr
50 10 NONINDUCTIVE NONINDUCTIVE (-) 10 (+) 25 Vdc (approx.) (-) T J =25 C f=1MHz Vsig=50mVp-p D.U.T. PULSE GENERATIOR (NOTE 2) (+) OSCILLOSCOPE (NOTE 1)
+0.5A
0 -0.25A
1 NON INDUCTIVE
-1.0A
SF31/G-SF34/G SF35/G-SF38/G
1cm
1.0 0.1 1.0 10 100
REVERSE VOLTAGE,(V)
NOTES : 1.Rise Time=7ns mas. Input Impedance= 1 magohm. 22pF 2.Rise time=10ns max. Source Impedance= 50 ohms
SET TIME BASE FOR 50/100ns/cm
E-mail: sales@cnmic.com
Web Site: www.cnmic.com

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