FM4728W
THRU
FM4763W
SURFACE MOUNT GLASS PASSIVATED
ZENER SILICON RECTIFIER
VOLTAGE RANGE 3.3 TO 91.0 Volts STEADY STATE POWER 1.0 WATT
FEATURES
* Plastic package has underwriters laboratory
* Excellent clamping capability
* Low zener impedance
* Low regulation factor
o
* Operating and Storage Temperature Range:-55 to + 150 C
* P/N suffix V means AEC-Q101 qualified, e.g:FM4728WV
* P/N suffix V means Halogen-free
DO-214AC
MECHANICAL DATA
0.067 (1.70 )
0.110 ( 2.79 )
0.051 (1.29 )
0.086 ( 2.18 )
* Epoxy : Device has UL flammability classification 94V-0
0.180 ( 4.57 )
0.160 ( 4.06 )
0.012 ( 0.305 )
0.006 ( 0.152 )
0.091 ( 2.31 )
0.067 ( 1.70 )
0.059 ( 1.50 )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
0.008 ( 0.203 )
0.004 ( 0.102 )
0.035 ( 0.89 )
Ratings at 25 o C ambient temperature unless otherwise specified.
0.209 ( 5.31 )
0.185 ( 4.70 )
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGSAND ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS ( At TA = 25OC unless otherwise noted)
NOMINAL
TEST
ZENER
CURRENT
VOLTAGE
MAXIMUM
DYNAMIC
IMPEDANCE
at IZT
VZ
(NOTE 1)
(Volts)
IZT
(mA)
FM4728W
3.3
76.0
10
700
1.00
FM4729W
3.6
69.0
10
700
FM4730W
3.9
64.0
9.0
700
FM4731W
4.3
58.0
9.0
FM4732W
4.7
53.0
8.0
FM4733W
5.1
49.0
FM4734W
5.6
FM4735W
6.2
FM4736W
6.8
TYPE
ZZT at
(NOTE 1)
ZZK at
IZT
IZK
(ohms)
(ohms)
(mA)
MAXIMUM DC
MAXIMUM MAXIMUM
REVERSE
SURGE FORWARD
LEAKAGE CURRENT CURRENT VOLTAGE
VR
(Volts)
(NOTE 2)
IRM
(mApk)
at 200mA
VF
(Volts)
100.0
1.0
1380
1.2
1.00
100.0
1.0
1260
1.2
1.00
50.0
1.0
1190
1.2
700
1.00
10.0
1.0
1070
1.2
700
1.00
10.0
1.0
970
1.2
7.0
700
1.00
10.0
1.0
890
1.2
45.0
5.0
700
1.00
10.0
2.0
810
1.2
41.0
2.0
700
1.00
10.0
3.0
730
1.2
37.0
3.5
700
1.00
50.0
4.0
660.0
1.2
IR
(uA)
2020-08
REVH
(/(&75,&$/&+$5$&7(5,67,&6
( At TA = 25OC unless otherwise noted)
NOMINAL
ZENER
VOLTAGE
TEST
CURRENT
at IZT
VZ
(NOTE 1)
(Volts)
IZT
(mA)
FM4737W
7.5
34.0
4.0
700
FM4738W
8.2
31.0
4.5
FM4739W
9.1
28.0
5.0
FM4740W
10.0
25.0
7.0
TYPE
MAXIMUM
DYNAMIC
IMPEDANCE
MAXIMUM DC
REVERSE
LEAKAGE CURRENT
ZZT at
(NOTE 1)
ZZK at
IZT
IZK
(ohms)
(ohms)
(mA)
MAXIMUM
SURGE
CURRENT
MAXIMUM
FORWARD
VOLTAGE
IR
(uA)
VR
(Volts)
(NOTE 2)
IRM
(mApk)
at 200mA
VF
(Volts)
0.50
50.0
5.0
605.0
1.2
700
0.50
50.0
6.0
550.0
1.2
700
0.50
50.0
7.0
500.0
1.2
700
0.25
50.0
7.6
454.0
1.2
1.2
FM4741W
11.0
23.0
8.0
700
0.25
5.0
8.4
414.0
FM4742W
12.0
21.0
9.0
700
0.25
5.0
9.1
380.0
1.2
9.9
344.0
1.2
5.0
FM4743W
13.0
19.0
10.0
700
0.25
FM4744W
15.0
17.0
14.0
700
0.25
5.0
11.4
305.0
1.2
FM4745W
16.0
15.5
16.0
700
0.25
5.0
12.2
285.0
1.2
FM4746W
18.0
14.0
20.0
750
0.25
5.0
13.7
250.0
1.2
FM4747W
20.0
12.5
22.0
750
0.25
5.0
15.2
225.0
1.2
FM4748W
22.0
11.5
23.0
750
0.25
5.0
16.7
205.0
1.2
FM4749W
24.0
10.5
25.0
750
0.25
5.0
18.2
190.0
1.2
FM4750W
27.0
9.5
35.0
750
0.25
5.0
20.6
170.0
1.2
FM4751W
30.0
8.5
40.0
1000
0.25
5.0
22.8
150.0
1.2
FM4752W
33.0
7.5
45.0
1000
0.25
5.0
25.1
135.0
1.2
FM4753W
36.0
7.0
50.0
1000
0.25
5.0
27.4
125.0
1.2
FM4754W
39.0
6.5
60.0
1000
0.25
5.0
29.7
115.0
1.2
FM4755W
43.0
6.0
70.0
1500
0.25
5.0
32.7
110.0
1.2
FM4756W
47.0
5.5
80.0
1500
0.25
5.0
35.8
95.0
1.2
FM4757W
51.0
5.0
95.0
1500
0.25
5.0
38.8
90.0
1.2
FM4758W
56.0
4.5
110.0
2000
0.25
5.0
42.6
80.0
1.2
FM4759W
62.0
4.0
125.0
2000
0.25
5.0
47.1
70.0
1.2
FM4760W
68.0
3.7
150.0
2000
0.25
5.0
51.7
65.0
1.2
FM4761W
75.0
3.3
175.0
2000
0.25
5.0
56.0
60.0
1.2
FM4762W
82.0
3.0
200.0
3000
0.25
5.0
62.2
55.0
1.2
FM4763W
91.0
2.0
250.0
3000
0.25
5.0
69.2
50.0
1.2
Notes :
1. Standard Voltage Tolerance : +/- 20% , Suffix A :+/- 10% , Suffix B : +/- 5% .
2. Surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave
superimposed on IZT per JEDEC Method.
o
3. Maximum steady state power dissipation is 1.0 watt at TL = 75 C.
4. Available in Halogen-free epoxy by adding suffix -HF after the part nbr.
1000
1.0
DYNAMIC ZENER IMOPENDANCE, ( )
AVERAGE POWER DISSIPATION, (W)
RATING AND CHARACTERISTICS CURVES ( FM4728W THRU FM4763W )
60Hz
RESISTIVE OR
INDUCTIVE LOAD
0.8
0.6
0.4
0.2 P.C.B. MOUNTED ON
0.31 X 0.31 X 0.08" (8 X 8 X 2mm)
COPPER AREAS PADS
0
-35 -25
0
25
50
75
100
125
100
10
1
0.5
150
1
10
FIG.1 MAXIMUM CONTINUOUS
POWER DISSIPATION
FIG.2 TYPIICAL ZENER
IMPENDANCE
INSTANTANEOUS REVERSE CURRENT,(uA)
ZENER TEST CURRENT, (mA)
10
PULSE WIDTH=300uS
1% DUTY CYCLE
1
TJ = 25 OC
0.1
0.01
0.4
100
TERMINAL TEMPERATURE, ( C)
0.6
0.8
1.0
1.2
1.4
1.6
TJ = 100 OC
1
0.1
TJ = 25 OC
0.01
20
0
40
90
TESTED at RATED I ZT
50
30
10
10
20
80
100
FIG.4 TYPICAL REVERSE CHARACTERISTICS
110
0
0
60
PERCENT OF RATED ZENER VOLTAGE, (%)
FIG.3 TYPICAL INSTAN
NTANEOUS FORWARD
CHARACTERISTICS FOR FM4763W
70
500
10
INSTANTANEOUS FORWARD VOLTAGE, (V)
TEMPERATURE COEFFICIENT, (mV/OC)
INSTANTANEOUS FORWARD CURRENT, (A)
O
30
40
50
60
70
80
90
100
ZENER VOLTAGE, (V)
FIG.5 TYPICAL TEMPERATURE COEFFICIENTS
Mounting Pad Layout
0.074 MAX.
(1.88 MAX.)
0.066MIN.
(1.68 MIN.)
0.060 MIN.
(1.52 MIN.)
0.208
(5.28) REF
Dimensions in inches and (millimeters)
Marking Description
ZXX
Part No.
Voltage-code
V Y WW H
Cathode Band
FM4728W~FM4763W : Z28~Z63
FM4728WA~FM4763WA : Z28A~Z63A
Halogen-free
Year – code
(Y: Last digit of year &
A:2010,B:2011……)
FM4728WB~FM4763WB : Z28B~Z63B
Week – code
(WW: 01~52)
ZXX
V Y W W
Cathode Band
Part No.
Voltage-code
FM4728W~FM4763W : Z28~Z63
FM4728WA~FM4763WA : Z28A~Z63A
FM4728WB~FM4763WB : Z28B~Z63B
Year – code
(Y: Last digit of year &
A:2010,B:2011……)
Week – code
(WW: 01~52)
PACKAGING OF DIODE AND BRIDGE RECTIFIERS
REEL PACK
PACKAGE
SMA
PACKAGE
SMA
PACKING EA PER EA PER COMPONENT TAPE SPACE REEL DIA CARTON SIZE EA PER
GROSS
SPACE
INNER
REEL
CARTON
WEIGHT(Kg)
CODE
(mm)
(mm)
(mm)
(mm)
BOX
-W
7,500
15,000
---
---
330
360*355*360
120,000
15.2
PACKING EA PER EA PER COMPONENT TAPE SPACE REEL DIA CARTON SIZE EA PER
GROSS
SPACE
INNER
REEL
CARTON WEIGHT(Kg)
CODE
(mm)
(mm)
(mm)
(mm)
BOX
-T
2,000
8,000
---
---
178
390*205*310
64,000
7.8
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.
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