1N5221B データシートの表示（PDF） - Motorola => Freescale
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1N5221B Datasheet PDF : 42 Pages
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GENERAL DATA — 500 mW DO-35 GLASS
Low Voltage Avalanche Passivated
Silicon Oxide Zener Regulator Diodes
Same as 1N5520B through 1N5530B except low noise test
spec omitted.
• Low Maximum Regulation Factor
• Low Zener Impedance
• Low Leakage Current
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified. Based on dc measurements at thermal equilibrium;
ELECTRICAL CHARACTERISTICS VF = 1.1 Max @ IF = 200 mA for all types.)
Motorola
Type No.
(Note 1)
MZ5520B
MZ5521B
MZ5522B
MZ5523B
MZ5524B
MZ5525B
MZ5526B
MZ5527B
MZ5528B
MZ5529B
MZ5530B
Nominal
Zener
Voltage
VZ @ IZT
Volts
(Note 2)
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
Test
Current
IZT
mAdc
20
20
10
5
3
1
1
1
1
1
1
Max Zener
Impedance
ZZT @ IZT
Ohms
(Note 3)
22
18
22
26
30
30
30
35
40
45
60
Max Reverse Leakage Current
IR
µAdc
(Note 4)
1
3
2
2
2
1
1
0.5
0.5
0.1
0.05
VR – Volts
1
1.5
2
2.5
3.5
5
6.2
6.8
7.5
8.2
9.1
Maximum
DC Zener
Current
IZM
mAdc
(Note 5)
98
88
81
75
68
61
56
51
46
42
38
Regulation
Factor
∆ VZ
Volts
(Note 6)
0.85
0.75
0.6
0.65
0.3
0.2
0.1
0.05
0.05
0.05
0.1
Low
VZ
Current
IZL
mAdc
2.0
2.0
1.0
0.25
0.25
0.01
0.01
0.01
0.01
0.01
0.01
NOTE 1. TOLERANCE AND VOLTAGE DESIGNATION
The “B” suffix type numbers listed are ±5% tolerance of nominal VZ.
NOTE 2. ZENER VOLTAGE (VZ) MEASUREMENT
Nominal zener voltage is measured with the device junction in thermal equilibrium with ambi-
ent temperature of 25°C.
NOTE 3. ZENER IMPEDANCE (ZZ) DERIVATION
The zener impedance is derived from the 60 Hz ac voltage, which results when an ac current
having an rms value equal to 10% of the dc zener current (IZT) is superimposed on IZT.
NOTE 4. REVERSE LEAKAGE CURRENT IR
Reverse leakage currents are guaranteed and are measured at VR as shown on the table.
NOTE 5. MAXIMUM REGULATOR CURRENT (IZM)
The maximum current shown is based on the maximum voltage of a ±5% type unit, therefore,
it applies only to the “B” suffix device. The actual IZM for any device may not exceed the value
of 400 milliwatts divided by the actual VZ of the device.
NOTE 6. MAXIMUM REGULATION FACTOR (∆VZ)
∆VZ is the maximum difference between VZ at IZT and VZ at IZL measured with the device
junction in thermal equilibrium.
NOTE 7. SPECIAL SELECTORS AVAILABLE INCLUDE:
A) Tighter voltage tolerances. Contact your nearest Motorola representative for more infor-
mation.
Motorola TVS/Zener Device Data
500 mW DO-35 Glass Data Sheet
6-113
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