RM4 - RM4Z SILICON RECTIFIER DIODES
PRV : 100 - 400 Volts
Io : 1.7 Am
p
ere
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Pb / RoHS Free
MECHANICAL DATA :
* Case : DO-201AD Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 1.21 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTIC
S
Ratin
g
at 25 °C ambient tem
p
erature unless otherwise s
p
ecifi
e
.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL RM4Y RM4Z RM4 UNIT
Maximum Reverse Voltage VRM 100 200 400 V
Maximum Peak Reverse Surge Voltage VRSM 150 250 450 V
Maximum Average Forward Current IF(AV) 1.7 (3.0 A is with Heatsink) A
Maximum Peak Forward Surge Current
Half-cycle Sine wave, 50 Hz, Single Shot
Maximum Forward Voltage at IF = 3.0 A VF0.95 V
Maximum Reverse Current Ta = 25 °CIR10 μA
at VR = VRmax. Ta = 150 °CIR(H) 50 μA
Junction Temperature Range TJ - 40 to + 150 °C
Storage Temperature Range TSTG - 40 to + 150 °C
Page 1 of 2 Rev. 02 : March 25, 2005
RATING
IFSM 200 A
0.21 (5.33)
0.19 (4.83)
DO - 201A
D
0.375 (9.53)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
Dimensions in inches and
(
millimeters
)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
RATING AND CHARACTERISTIC CURVES ( RM4 - RM4Z )
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
Page 2 of 2 Rev. 02 : March 25, 2005
0
3.00
2.25
1.50
0.75
3.75
10
1.0
160
0
200
0
120
80
40
100
80
1.0
0.01
0.1
100 140
20 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, AMPERE S
AVERAGE FORWARD OUTPUT
CURRENT, AMPERE S
FORWARD CURRENT ,
AMPERES
REVERSE CURRENT, MICROAMPERES
TJ = 25 °C
TJ = 100 °C
Ta = 25 °C
0.1
10
FORWARD VOLTAGE, VOLTS
20x20x1t Heatsink on both sides
Without Heatsink
5 mm5 mm
