SR302 THRU SR310
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE CURRENT
20 to 100 Volts 3.0 Ampere
FEATURES
• Fast switching • Low forward voltage • Low power loss for high efficiency • High surge capability • High temperature soldering guaranteed
250℃/10 seconds,0.373”(9.5mm)lead length
MECHANICAL DATA
• Case: Transfer molded plastic • Epoxy: UL94V-0 rate flame retardant • Lead: solderable per MIL-STD-202E
method 208C • Polarity: Color band denoted cathode end • Mounting position: Any • Weight: 0.042 ounce, 1.19 gram
DO-27
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%
SYMBOLS SR302 SR303 SR304 SR305 SR306 SR308 SR310 UNIT
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current 0.375″(9.5mm) lead length ,(Note 1) TL =100℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method)
VRRM
20
30
40
VRMS
14
21
28
VDC 20 30 40
50 60 80 100 Volts 35 42 56 70 Volts 50 60 80 100 Volts
I(AV) 3.0 Amps
IFSM 80 Amps
Maximum Instantaneous Forward Voltage @ 3.0A
VF
0.55
0.75
0.85 Volts
Maximum DC Reverse Current at rated TA = 25℃
DC Blocking Voltage per element
(Note 1)
TA = 125℃
IR
0.5 mA
30
Typical Junction Capacitance(measured at 1.0Hzand applied reverse voltage of 4.0V)
CJ
250 pF
Typical Thermal Resistance (NOTE 2)
RθJA
15 ℃/W
Operating Junction Temperature Range
TJ
(-55 to +150)
℃
Storage Temperature Range
TSTG
(-55 to +150)
℃
Notes:
1. Pulse test:300μs pulse width,1%duty cycle
2. Thermal resistance from junction to ambient P.C.B. mounted with 0.375”(9.5mm)lead length with 2.5”×2.5”(63.5×63.5cm)
copper pads
E-mail:
[email protected] Web Site: www.cnmic.com
SCHOTTKY BARRIER RECTIFIER
SR302 THRU SR310
VOLTAGE RANGE CURRENT
20 to 100 Volts 3.0 Ampere
RATING AND CHRACTERISTIC CURVES SR302 THRU SR310
AVERAGE FORWARD CURRENT, (A)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
2.0
Single Phase Half Wave 60Hz 1.0 Inductive or Resistive Load
0.375″(9.5mm) Lead Length
0 0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, (° C)
FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
100 SR252-254 SR255-2510
10
PEAK FORWARD SURGE CURRENT, (A)
FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
100 8.3ms Single Half Sine-Wave (JEDEC Method) Tj= Tjmax
60
40
1 Cycle
0 12
4 6 8 10
20
40 60 80 100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE CHARACTERISTICS
TJ =125° C
INSTANTANEOUS REVERSE CURRENT, (μA)
INSTANTANEOUS FORWARD CURRENT, (A)
1.0 PULSE TWJ I=D2T5H°=3C00μs DUTY CYCLE 1%
0.1
0.01
0.4 0.6
0.8
1.0
1.2 1.4 1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
TJ =75° C
TJ =25° C
SR302-SR304 S R305- SR310
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
100
TJ =25° C f=1MHz Vsig=50mVp-p
10 0.1
1.0 10
REVERSE VOLTAGE,(V)
100
E-mail:
[email protected] Web Site: www.cnmic.com
.