SOFT RECOVERY/FAST SWITCHING RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 3.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Fast switching
* Low leakage
* Low forward voltage drop
* High current capability
* High surge capability
* High reliability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 1.20 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RL850
THRU
RL856
DO-201AD
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
Dimensions in inches and (millimeters)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Test Conditions: I
F
= 1.0A, V
R
= 30V
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts
2001-5
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 90
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
V
RMS
Volts
Volts
Volts
Amps
3.0
2.0
65
-65 to + 150
Amps
pF
0
C
UNITS
50
200
400
600
100
35
140
280
420
70
50
200
400
600
100
RL850
RL852
RL854
RL856
RL851
Maximum Reverse Recovery Current
I
RR
100
Amps
at Rated DC Blocking Voltage T
A
= 25
o
C
CHARACTERISTICS
Maximum Full Load Reverse Current Average , Full Cycle
.375" (9.5mm) lead length at T
L
= 100
o
C
Maximum Reverse Recovery Time (Note 1)
V
F
SYMBOL
I
R
trr
1.3
1.0
200
uAmps
uAmps
nSec
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 3.0A DC
Volts
UNITS
RL850
RL852
RL854
RL856
RL851
150
200
250
300
150
.220 (5.6)
.197 (5.0)
DIA.
.052 (1.3)
.048 (1.2)
DIA.
1.0 (25.4)
MIN.
.335 (8.5)
.375 (9.5)
1.0 (25.4)
MIN.
RECTRON
RATING AND CHARACTERISTIC CURVES ( RL850 THRU RL856 )
JUNCTION CAPACITANCE, (pF)
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, ( V )
200
100
60
40
20
10
6
4
2
1
.1
.2 .4
1.0 2
4
10
20 40 100
TJ = 25
FIG. 1 - TYPICAL FORWARD CURRENT
AVERAGE FORWARD CURRENT, (A)
AMBIENT TEMPERATURE, ( )
DERATING CURVE
4
3
2
1
0
0
25
50
75
100 125
150
175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
TJ = 25
Pulse Width=300uS
1% Duty Cycle
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
20
10
3.0
1.0
0.3
0.1
.03
.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
8.3ms Single Half Sine-Wave
(JEDED Method)
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
PEAK FORWARD SURGE
NUMBER OF CYCLES AT 60Hz
SURGE CURRENT
CURRENT, (A)
200
100
50
10
1
5
10
50
100
FIG. 5 - TEST CIRCUIT DIAGRAM
AND REVERSE RECOVERY TIME CHARACTERISTIC
8
7
6
5
4
3
2
1
115Va 10K
60Hz 2W
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
3.8uH/1.4
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
R2
1
10W
NON-
INDUCTIVE
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1-ADJUSTED FOR 1.4 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE = 3.8uH
Zout 11/2 MAX
DC to 2kHz
R2-TEN-1W 10 % CARBON CORE
IN PARALLEL
TA = 25 FOR RECTIFIER
10
0
SET TIME BASE FOR
50/100 ns/cm
trr
i(t) di/dt = 50A/uS
IFM 1.0
0
IRM (REC)
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