............................................. 3.0 ...............................................
............................................. 150 ...............................................
....................................... -65 to 150 .......................................
< ................ 1.0 ............... > 1.3 < .......... 1.7 ......... >
............................................. 10 ...............................................
............................................. 200 ...............................................
............................................. 80 ...............................................
............................................. 1.0 ...............................................
< ....................... 50 ..................... > < ......... 75 .......... >
Description
Features
Mechanical Dimensions
Maximum Ratings
Peak Repetitive Reverse Voltage...VRRM
RMS Reverse Voltage...VR(rms)
DC Blocking Voltage...VDC
HER301 . . . 308 Series
Average Forward Rectified Current...IF(av)
TA = 55°C
Non-Repetitive Peak Forward Surge Current...IFSM
@ Rated Current & Temp
Operating & Storage Temperature Range...TJ, TSTRG
Maximum Forward Voltage @ 3.0A...VF
Maximum DC Reverse Current...IRTA = 25°C
@ Rated DC Blocking Voltage TA =100°C
Typical Junction Capacitance...CJ (Note 1)
Typical Thermal Resistance...RθJC
Maximum Reverse Recovery Time...tRR (Note 2)
Page 4-26
HER301 . . . 308 Series
Data Sheet
3.0 Amp SUPER FAST
PLASTIC RECTIFIERS
Units
Volts
Volts
Volts
Amps
Amps
°C
Volts
µAmps
µAmps
pF
°C / W
ns
nLOW COST
nLOW LEAKAGE
nHIGH SURGE CAPABILITY
nMEETS UL SPECIFICATION 94V-0
301 302 303 304 305 306 307 308
50 100 200 300 400 600 800 1000
35 70 140 210 280 420 560 700
50 100 200 300 400 600 800 1000
Electrical Characteristics
D0-27A .285
.375
.180
.210
.031 Typ.
1.00 Typ.
Data Sheet
3.0 Amp SUPER FAST
PLASTIC RECTIFIERS
HER301 . . . 308 Series
Page 4-27
NOTES: 1. Measured @ 1 MHz and applied reverse voltage of 4.0V.
2. Conditions: IF = 0.5A, I R = 1.0A, I RR = 0.25A.
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
Single Phase Half
Wave, 60 Hz
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Forward Current Derating Curve
6
4
2
025 50 75 100 150125 175
Ambient Temperature (°°
°°
°C)
Average Forward Current (A)
Junction Capacitance (pF)
Reverse Voltage (V)
Typical Junction Capacitance
Peak Forward Surge Current (A)
Non-Repetitive
Peak Forward Surge Current
Number of Cycles @ 60 Hz
Reverse Recovery
Characteristics
Typical Instantaneous
Forward Characteristics
Oscilliscope
Note 1
Pulse
Generator
Note 2
(-)
(+)
Notes:
1. Rise Time = 7 ns Max.
Impedance = 1 megohm, 22 pF
2. Rise Time = 10 ns Max.
Source Impedance = 50 Ohms Time Base Set @ 50/100ns/cm
+.5A
0A
-.25A
-1.0A 1 cm
Typical Reverse Characteristics
Reverse Current (µµ
µµ
µA)
tRR
Forward Current (A)
Forward Voltage (V)
50ΩΩ
ΩΩ
Ω
(-)
(+)25 VDC
Non-Inductive
1 ΩΩ
ΩΩ
Ω
Non-
Inductive
D.U.T 10ΩΩ
ΩΩ
Ω
Percent of Rated Peak Voltage
TJ= 150°C
TJ= 100°C
TJ = 25°C
TJ = 25°C
TJ = 25°C
Pulse Width = 300 µµ
µµ
µs
% Duty Cycle
