1N5221B データシートの表示（PDF） - Yea Shin Technology Co., Ltd
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1N5221B Datasheet PDF : 10 Pages
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ELECTRICAL CHARACTERISTICS (TA = 25ºC 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 = 200mA for all types)
Symbol
Parameter
VZ
Reverse Zener Voltage @ IZT
IZT
Reverse Zener Current
ZZT
Maximum Zener Impedance @ IZT
IZk
Reverse Zener Current
IR
Reverse Leakage Current @ VR
VR
Reverse Voltage
IF
Forward Current
VF
Forward Voltage @ IF
θVZ
Maximum Zener Voltage Temperature Coefficient
1N5221B~1N5281B
ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.1 V Max @ IF = 200mA for all types)
Device
(Note 2.)
Device
Marking
Zener Voltage (Note 3.)
VZ (Volts)
@ IZT
Min
Nom
Max (mA)
Zener Impedance (Note 4.)
ZZT @ IZT
(Ω)
ZZK @ IZK
(Ω) (mA)
Leakage Current
IR @ VR
(µA) (Volts)
θVZ
(Note 5.)
(%/ºC)
1N5221B 1N5221B 2.28
2.4
2.52
20
1N5222B 1N5222B 2.375
2.5
2.625
20
1N5223B 1N5223B 2.565
2.7
2.835
20
30
1200 0.25 100
1
-0.085
30
1250 0.25 100
1
-0.085
30
1300 0.25
75
1
-0.08
1N5224B 1N5224B 2.66
2.8
2.94
20
1N5225B 1N5225B 2.85
3
3.15
20
30
1400 0.25
75
29
1600 0.25
50
1
-0.08
1
-0.075
1N5226B 1N5226B 3.135
3.3
3.465
20
28
1600 0.25
25
1
-0.07
1N5227B 1N5227B 3.42
3.6
3.78
20
1N5228B 1N5228B 3.705
3.9
4.095
20
1N5229B 1N5229B 4.085
4.3
4.515
20
1N5230B 1N5230B 4.465
4.7
4.935
20
24
1700 0.25
15
23
1900 0.25
10
22
2000 0.25
5
19
1900 0.25
5
1
-0.065
1
-0.06
1
±0.055
2
±0.03
1N5231B 1N5231B 4.845
5.1
5.355
20
1N5232B 1N5232B 5.32
5.6
5.88
20
1N5233B 1N5233B 5.7
6
6.3
20
1N5234B 1N5234B 5.89
6.2
6.51
20
1N5235B 1N5235B 6.46
6.8
7.14
20
17
1600 0.25
5
11
1600 0.25
5
7
1600 0.25
5
7
1000 0.25
5
5
750 0.25
3
2
±0.03
3
+0.038
3.5
+0.038
4
+0.045
5
+0.05
2. TOLERANCE AND TYPE NUMBER DESIGNATION (VZ)
The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%.
3. ZENER VOLTAGE (VZ) MEASUREMENT
Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C
±1°C and 3/8” lead 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 AC frequency = 60Hz.
5. TEMPERATURE COEFFICIENT (θVZ)
Test conditions for temperature coefficient are as follows:
A. IZT = 7.5mA, 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.
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REV.03 20121003
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