1SMA4748 Taiwan Semiconductor, 1SMA4748 Datasheet

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1SMA4748

Manufacturer Part Number
1SMA4748
Description
Zener Diodes 22V
Manufacturer
Taiwan Semiconductor
Datasheet

Specifications of 1SMA4748

Zener Voltage
22 V
Voltage Tolerance
5 %
Power Dissipation
1 W
Maximum Reverse Leakage Current
5 uA
Maximum Zener Impedance
23 Ohms
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Package / Case
DO-214AC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
R2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
1SMA4748
Manufacturer:
TSC
Quantity:
68 000
Part Number:
1SMA4748
Manufacturer:
VISHAY/威世
Quantity:
20 000
Part Number:
1SMA4748A
Manufacturer:
TSC
Quantity:
68 000
Features
Mechanical Data
Maximum Ratings and Electrical Characteristics
Rating at 25
Type Number
Power Dissipation, R
Power Dissipation, R
Non Repetitive Peak Surge Power Dissipation(Note 1)
Non Repetitive Peak Forward Surge Current, 8.3 ms
Single Half Sine-wave Superimposed on Rated Load
(JEDEC method)
Operating and Storage Temperature Range
Notes:
For surface mounted applications in order to
optimize board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Typical I
High temperature soldering guaranteed:
260
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Case: Molded plastic over passivated junction
Terminals: Pure tin plated lead free,
solderable per MIL-STD-750, Method 2025
Polarity:Color Band denotes positive end
(cathode)
Standard packaging: 12mm tape (EIA-481)
Weight: 0.002 ounces, 0.064 gram
o
C / 10 seconds at terminals
1. Non Repetitive Peak surge P
R
o
C ambient temperature unless otherwise specified.
less than 5.0uA above 7.5V
thJA
thJA
<30 K/W, T
<100 K/W, T
amb
D
amb
Test Conditions: tp=100uS sq. pulse, Tj=25
=60
=25
1.25 Watts Surface Mount Silicon Zener Diode
o
C
o
C
- 586 -
1SMA4737 - 1SMA200Z
Dimensions in inches and (millimeters)
Symbol
T
J
P
I
, T
P
P
FSM
ZSM
D
D
STG
SMA/DO-214AC
-55 to + 150
Value
10.0
o
C
3.0
1.25
60
prior to surge.
Version: C08
Watts
Watts
Watts
Units
Amps
o
C

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1SMA4748 Summary of contents

Page 1

Features For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical I less than 5.0uA above 7.5V R High temperature soldering guaranteed: o 260 seconds ...

Page 2

... 738A 8.2 1SMA4739 739A 9.1 1SMA4740 740A 10 1SMA4741 741A 11 1SMA4742 742A 12 1SMA4743 743A 13 1SMA4744 744A 15 1SMA4745 745A 16 1SMA4746 746A 18 1SMA4747 747A 20 1SMA4748 748A 22 1SMA4749 749A 24 1SMA4750 750A 27 1SMA4751 751A 30 1SMA4752 752A 33 1SMA4753 753A 36 1SMA4754 754A 39 1SMA4755 755A 43 1SMA4756 756A 47 1SMA4757 757A ...

Page 3

RATINGS AND CHARACTERISTIC CURVES (1SMA4737 THRU 1SMA200Z) FIG.1- POWER TEMPERATURE DERATING CURVE 1.25 1.0 0.75 0.50 0. 100 120 140 AMBIENT TEMPERATURE( C) FIG.3- EFFECT OF ZENER CURRENT ON ZENER IMPEDANCE 1000 T = ...

Page 4

RATINGS AND CHARACTERISTIC CURVES (1SMA4737 THRU 1SMA200Z) FIG.6- TYPICAL CAPACITANCE versus Vz 400 300 200 100 10 8 50% OF BREAKDOWN BIAS FORWARD VOLTAGE (VOLTS) Z FIG.8- TEMPERATURE COEFFICIENTS b-RANGE FOR UNITS 11 TO 100 ...

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