BZX55C/B Series
Electrical Characteristics
VZ @ IZT
TA = 25°C unless otherwise noted
ZZT @ IZT
ZZK @ IZK
(:)
Max
IR @ VR
IZT
(mA)
IZK
(mA)
VR
(Volts)
Max
Device Type
(Volts)
(:)
Max
(PA)
Min
Max
BZX55B 51
BZX55B 56
BZX55B 62
BZX55B 68
BZX55B 75
49.98
54.88
60.76
66.64
73.50
52.02
57.12
63.24
69.36
76.50
2.5
2.5
2.5
2.5
2.5
125
135
150
160
170
0.5
0.5
0.5
0.5
0.5
700
0.1
0.1
0.1
0.1
0.1
38
42
47
51
56
1000
1000
1000
1000
VF Forward Voltage = 1.0 V Maximum @ IF = 100 mA for all types
Notes:
1. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have zener voltage as shown.
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and delivery,
contact you nearest Tak Cheong representative.
3. ZENER VOLTAGE (VZ) MEASUREMENT
The zener voltage is measured under pulse conditions such that TJ is no more than 2ć above TA.
4. ZENER IMPEDANCE (ZZ) DERIVATION
Zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an RMS value equal to 10% of the
dc zener current (IZT) is superimposed to IZT
.
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