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  ON Semiconductor Electronic Components Datasheet  

1N5258B Datasheet

500mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators

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1N5221B Series
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
This is a complete series of 500 mW Zener diodes with limits and
excellent operating characteristics that reflect the superior capabilities
of silicon–oxide passivated junctions. All this in an axial–lead
hermetically sealed glass package that offers protection in all common
environmental conditions.
Specification Features:
Zener Voltage Range – 2.4 V to 91 V
ESD Rating of Class 3 (>16 KV) per Human Body Model
DO–204AH (DO–35) Package – Smaller than Conventional
DO–204AA Package
Double Slug Type Construction
Metallurgical Bonded Construction
Mechanical Characteristics:
CASE: Double slug type, hermetically sealed glass
FINISH: All external surfaces are corrosion resistant and leads are
readily solderable
MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES:
230°C, 1/16from the case for 10 seconds
POLARITY: Cathode indicated by polarity band
MOUNTING POSITION: Any
MAXIMUM RATINGS (Note 1.)
Rating
Symbol Value
Unit
Max. Steady State Power Dissipation
@ TL 75°C, Lead Length = 3/8
Derate above 75°C
PD
500 mW
4.0 mW/°C
Operating and Storage
Temperature Range
TJ, Tstg
–65 to
+200
1. Some part number series have lower JEDEC registered ratings.
°C
http://onsemi.com
Cathode
Anode
AXIAL LEAD
CASE 299
GLASS
MARKING DIAGRAM
L
1N
52
xxB
YWW
L = Assembly Location
1N52xxB = Device Code
= (See Table Next Page)
Y = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
1N52xxB
Axial Lead 3000 Units/Box
1N52xxBRL
Axial Lead 5000/Tape & Reel
1N52xxBRL2 * Axial Lead 5000/Tape & Reel
1N52xxBRA1
Axial Lead 3000/Ammo Pack
1N52xxBTA
Axial Lead 5000/Ammo Pack
1N52xxBTA2 *
1N52xxBRR1 {
1N52xxBRR2 }
Axial Lead 5000/Ammo Pack
Axial Lead 3000/Tape & Reel
Axial Lead 3000/Tape & Reel
* The “2” suffix refers to 26 mm tape spacing.
{ Polarity band up with cathode lead off first
} Polarity band down with cathode lead off first
Devices listed in bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommended
choices for future use and best overall value.
© Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 2
1
Publication Order Number:
1N5221B/D


  ON Semiconductor Electronic Components Datasheet  

1N5258B Datasheet

500mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators

No Preview Available !

1N5221B Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, Based on dc measurements at thermal
equilibrium; lead length = 3/8; thermal resistance of heat sink
= 30°C/W, VF = 1.1 V Max @ IF = 200 mA for all types)
Symbol
Parameter
VZ Reverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IZK Reverse Current
ZZK Maximum Zener Impedance @ IZK
IR Reverse Leakage Current @ VR
VR Breakdown Voltage
IF Forward Current
VF Forward Voltage @ IF
qVZ Maximum Zener Voltage Temperature Coefficient
I
IF
VZ VR
IIRZT VF
V
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, Based on dc measurements at thermal equilibrium; lead
length = 3/8; thermal resistance of heat sink = 30°C/W, VF = 1.1 V Max @ IF = 200 mA for all types)
Device
(Note 2.)
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
Device
Marking
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
Zener Voltage (Note 3.)
VZ (Volts)
Min Nom Max
@ IZT
mA
2.28
2.375
2.565
2.66
2.85
2.4 2.52
2.5 2.625
2.7 2.835
2.8 2.94
3.0 3.15
20
20
20
20
20
3.14 3.3 3.46 20
3.42 3.6 3.78 20
3.71 3.9 4.09 20
4.09 4.3 4.51 20
4.47 4.7 4.93 20
4.85 5.1 5.35 20
5.32 5.6 5.88 20
5.7 6.0 6.3 20
5.89 6.2 6.51 20
6.46 6.8 7.14 20
Zener Impedance (Note 4.)
ZZT @ IZT
W
ZZK @ IZK
W mA
30 1200 0.25
30 1250 0.25
30 1300 0.25
30 1400 0.25
29 1600 0.25
28 1600 0.25
24 1700 0.25
23 1900 0.25
22 2000 0.25
19 1900 0.25
17 1600 0.25
11 1600 0.25
7 1600 0.25
7 1000 0.25
5 750 0.25
Leakage Current
IR @ VR
µA Volts
100 1
100 1
75 1
75 1
50 1
25 1
15 1
10 1
51
52
52
53
5 3.5
54
35
qVZ
(Note 5.)
%/5C
–0.085
–0.085
–0.08
–0.08
–0.075
–0.07
–0.065
–0.06
±0.055
±0.03
+0.03
0.038
0.038
0.045
0.05
2. TOLERANCE
The JEDEC type numbers shown indicate a tolerance of ±5%.
3. ZENER VOLTAGE (VZ) MEASUREMENT
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ± 1°C and 3/8lead
length.
4. ZENER IMPEDANCE (ZZ) DERIVATION
ZZT and ZZK are measured by dividing the ac voltage drop across the device by the ac current applied. The specified limits are for IZ(ac) =
0.1 IZ(dc) with the ac frequency = 60 Hz.
5. TEMPERATURE COEFFICIENT (qVZ) *
Test conditions for temperature coefficient are as follows:
A. IZT = 7.5 mA, T1 = 25°C, T2 = 125°C (1N5221B through 1N5242B)
B. IZT = Rated IZT, T1 = 25°C, T2 = 125°C (1N5243B through 1N5281B)
Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature.
* For more information on special selections contact your nearest ON Semiconductor representative.
http://onsemi.com
2


Part Number 1N5258B
Description 500mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators
Maker ON Semiconductor
Total Page 12 Pages
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