1
Rectifier Device Data
Advance Information
SWITCHMODE
TM
Power Rectifier
Designed for use in switching power supplies, inverters and as free wheeling
diodes, these stateoftheart devices have the following features:
Ultrafast 60 Nanosecond Recovery Times
150
C Operating Junction Temperature
Epoxy Meets UL94, VO @ 1/8
High Temperature Glass Passivated Junction
Low Leakage Specified @ 150
C Case Temperature
Current Derating @ Both Case and Ambient Temperatures
Electrically Isolated. No Isolation Hardware Required.
UL Recognized File #E69369 (1)
Mechanical Characteristics
Case: Epoxy, Molded
Weight: 1.9 grams (approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
Lead Temperature for Soldering Purposes: 260
C Max. for 10
Seconds
Shipped 50 units per plastic tube
Marking: U1660
MAXIMUM RATINGS, PER LEG
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
600
Volts
Average Rectified Forward Current
Per Diode
Total Device, (Rated VR), TC = 150
C
Per Device
IF(AV)
8
16
Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 150
C
IFM
16
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
IFSM
100
Amps
Operating Junction and Storage Temperature
TJ, Tstg
65 to +150
C
RMS Isolation Voltage (t = 1 second, R.H.
30%, TA = 25
C) (2)
Per Figure 3
Per Figure 4 (1)
Per Figure 5
Viso1
Viso2
Viso3
4500
3500
1500
Volts
THERMAL CHARACTERISTICS, PER LEG
Maximum Thermal Resistance, Junction to Case
R
JC
3.0
C/W
Lead Temperature for Soldering
Purposes: 1/8
from Case for 5 Seconds
TL
260
C
(1) UL Recognized mounting method is per Figure 4.
(2) Proper strike and creepage distance must be provided.
SWITCHMODE is a trademark of Motorola, Inc.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Preferred devices are Motorola recommended choices for future use and best overall value.
Motorola, Inc. 1996
Order this document
by MURF1660CT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
2
1
3
MURF1660CT
ULTRAFAST RECTIFIER
16 AMPERES
600 VOLTS
CASE 221D02
ISOLATED TO220
Motorola Preferred Device
1
3
2
Rev 1
MURF1660CT
2
Rectifier Device Data
ELECTRICAL CHARACTERISTICS, PER LEG
Characteristic
Symbol
Value
Unit
Maximum Instantaneous Forward Voltage (3)
(iF = 8.0 Amp, TC = 150
C)
(iF = 8.0 Amp, TC = 25
C)
vF
1.20
1.50
Volts
Maximum Instantaneous Reverse Current (3)
(Rated dc Voltage, TC = 150
C)
(Rated dc Voltage, TC = 25
C)
iR
500
10
A
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amp/
s)
(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)
trr
60
50
ns
(3) Pulse Test: Pulse Width = 300
s, Duty Cycle
2.0%.
VR, REVERSE VOLTAGE (V)
I R
, REVERSE CURRENT
(
A
)
0.01
0.1
1.0
10
100
10 K
600
500
400
300
200
100
100
50
20
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS
)
i F
10
5
2
1
0.5
0.2
0.1
0.4
0.6
1.0
1.2
1.6
1.8
vF, INSTANTANEOUS VOLTAGE (V)
Figure 1. Typical Forward Voltage, Per Leg
100
C
25
C
TJ = 150
C
0.8
1.4
100
C
25
C
1.0 K
TJ = 150
C
Figure 2. Typical Reverse Current, Per Leg*
MURF1660CT
3
Rectifier Device Data
TEST CONDITIONS FOR ISOLATION TESTS*
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.110
MIN
Figure 3. Clip Mounting Position
for Isolation Test Number 1
* Measurement made between leads and heatsink with all leads shorted together.
CLIP
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
CLIP
0.107
MIN
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.107
MIN
Figure 4. Clip Mounting Position
for Isolation Test Number 2
Figure 5. Screw Mounting Position
for Isolation Test Number 3
MOUNTING INFORMATION**
440 SCREW
PLAIN WASHER
HEATSINK
COMPRESSION WASHER
NUT
CLIP
HEATSINK
Laboratory tests on a limited number of samples indicate, when using the screw and compression washer mounting technique, a screw torque of 6 to 8 in . lbs is sufficient to provide
maximum power dissipation capability. The compression washer helps to maintain a constant pressure on the package over time and during large temperature excursions.
Destructive laboratory tests show that using a hex head 440 screw, without washers, and applying a torque in excess of 20 in . lbs will cause the plastic to crack around the mounting
hole, resulting in a loss of isolation capability.
Additional tests on slotted 440 screws indicate that the screw slot fails between 15 to 20 in . lbs without adversely affecting the package. However, in order to positively ensure
the package integrity of the fully isolated device, Motorola does not recommend exceeding 10 in . lbs of mounting torque under any mounting conditions.
Figure 6. Typical Mounting Techniques
6a. ScrewMounted
6b. ClipMounted
**For more information about mounting power semiconductors see Application Note AN1040.
MURF1660CT
4
Rectifier Device Data
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM
A
MIN
MAX
MIN
MAX
MILLIMETERS
0.621
0.629
15.78
15.97
INCHES
B
0.394
0.402
10.01
10.21
C
0.181
0.189
4.60
4.80
D
0.026
0.034
0.67
0.86
F
0.121
0.129
3.08
3.27
G
0.100 BSC
2.54 BSC
H
0.123
0.129
3.13
3.27
J
0.018
0.025
0.46
0.64
K
0.500
0.562
12.70
14.27
L
0.045
0.060
1.14
1.52
N
0.200 BSC
5.08 BSC
Q
0.126
0.134
3.21
3.40
R
0.107
0.111
2.72
2.81
S
0.096
0.104
2.44
2.64
U
0.259
0.267
6.58
6.78
B
Y
G
N
D
L
K
H
A
F
Q
3 PL
1 2 3
M
B
M
0.25 (0.010)
Y
SEATING
PLANE
T
U
C
S
J
R
STYLE 3:
PIN 1. ANODE
2. CATHODE
3. ANODE
CASE 221D02
(ISOLATED TO220)
ISSUE D
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals"
must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
Mfax is a trademark of Motorola, Inc.
How to reach us:
USA / EUROPE / Locations Not Listed: Motorola Literature Distribution;
JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4321,
P.O. Box 5405, Denver, Colorado 80217. 3036752140 or 18004412447
NishiGotanda, Shinagawaku, Tokyo 141, Japan. 81354878488
Mfax
TM
: RMFAX0@email.sps.mot.com TOUCHTONE 6022446609
ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
US & Canada ONLY 18007741848
51 Ting Kok Road, Tai Po, N.T., Hong Kong. 85226629298
INTERNET: http://motorola.com/sps
MURF1660CT/D
PDF 
ZIP