
GLASS PASSIVATED JUNCTION
 * High current capability
 * Low forward voltage drop
 * Fast switching for high efficiency
 * Case : DO-41 Molded plastic
 * Epoxy : UL94V-O rate flame retardant
 * Lead : Axial lead solderable per MIL-STD-202,
 * Polarity : Color band denotes cathode end
 * Mounting position : Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load. 
For capacitive load, derate current by 20%.
SYMBOL FR151G FR152G FR153G FR154G FR155G FR156G FR157G
UNIT
  Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 1000 Volts 
  Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 700 Volts 
  Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 1000 Volts 
  Maximum Average Forward Current
  0.375"(9.5mm) Lead Length      Ta = 55 °C
IF(AV) 1.5 Amps.
  Peak Forward Surge Current, 
  8.3ms Single half sine wave superimposed 
  on rated load (JEDEC Method) IFSM 60 Amps. 
  Maximum Peak Forward Voltage at IF = 1.5 Amps. VF 1.4 Volts 
  Maximum DC Reverse Current     Ta = 25 °C
IR 5.0
µA
  at Rated DC Blocking Voltage      Ta = 100 °C
IR(H) 50
µA 
  Maximum Reverse Recovery Time ( Note 1 ) Trr 150 250 500 250 ns 
  Typical Junction Capacitance ( Note 2 ) CJ 25 pf 
  Junction Temperature Range TJ  - 65 to + 150
°C 
  Storage Temperature Range TSTG  - 65 to + 150
°C
    ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. 
    ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
Dimensions in inches and ( millimeters )
1.00 (25.4) 
MIN.
0.107 (2.7)
0.080 (2.0)
0.205 (5.2)
0.166 (4.2)
1.00 (25.4) 
MIN.
0.034 (0.86)
0.028 (0.71)

   RATING AND CHARACTERISTIC CURVES ( FR151G - FR157G )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
        2. Rise time = 10 ns max., Source Impedance = 50 ohms.
        3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK 
      RECTIFIED CURRENT        FORWARD SURGE CURRENT
    0 25 50 75 100
     1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
    0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
60Hz RESISTIVE OR INDUCTIVE LOAD
0.1
10
80
0.01
0.01
1.0
0.1
100 1400
20
40 60 120
PERCENT OF RATED REVERSE 
VOLTAGE, (%)
PEAK FORWARD SURGE 
CURRENT, AMPERES
CURRENT, AMPERES
 FORWARD CURRENT, AMPERES
REVERSE CURRENT, 
MICROAMPERES
TJ = 25 °C
TJ = 100 °C
TJ = 25 °C
Pulse Width = 300 µs
2% Duty Cycle
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
SET TIME BASE FOR 50/100 ns/cm
Trr
+ 0.5 A
- 1.0 A
1 cm
OSCILLOSCOPE
( NOTE 1 )
1 
Ω
50
Ω
10
Ω
D.U.T.
50 Vdc
(approx)
PULSE
GENERATOR
( NOTE 2 )