Zeners/Studs
324
w w w . l i t t e l f u s e . c o m
FEATURES
Voltage Range 7.5 -75 Volts
1500 Watt Peak Pulse Power
20 Watt Steady State @ 75C
15 Watt Steady State @ 100C
Glass passivated junction
1500 Watt surge capability at 1 ms
Typically IR less than 5 A above 10V
Excellent clamping capability
Stud cathode & stud anode
Operating temperature -55C to +175C
100% tested
MECHANICAL CHARACTERISTICS
Case: Hermetically sealed DO-4 outline
Finish: All external surfaces are corrosion resistant and
terminal solderable
Polarity: Indicated by direction of zener symbol
Weight: 4.2 grammes excluding mounting kit (approx)
Torque setting 13inch/lb
ELECTRICAL DATA
Forward voltage V
F
1.5V max @ I
F
5A 300S square
wave pulse
Vz measured with pulse
100S and duty cycle 0.001
Rz determined with DC plus 10% superimposed AC @ 1KHz
STUD CATHODE NORMAL
STUD ANODE REVERSE
BZY93C
Voltage
N = Stud Cathode Normal
R = Stud Anode Reverse
ORDERING INFORMATION
All dimensions in mm
BZY93 Series
AVAILABLE IN THE
FOLLOWING CONFIGURATIONS
Zeners/Studs
325
w w w . l i t t e l f u s e . c o m
7
ZENERS/STUDS
Ptot
max
(W)
0
5.0
10
15
20
-50
0
0
50
100
1mb
Figure 1. Maximum total dissapation plotted against
mounting base temp
100
10
1
0.1
1
s
10
s
100
1ms
10ms
Pulse Time (tp)
Peak Pulse Power - Pp (kW
)
Exponential wave-form
Square wave-pulse
s
100ns
Figure 2. Non-repetitive peak pulse power rating curve
BZY93 Series
BZY93C7V5*
BZY93C8V2
BZY93C9V1*
BZY93C10
BZY93C11
BZY93C12*
BZY93C13*
BZY93C15
BZY93C16
BZY93C18*
BZY93C20
BZY93C22
BZY93C24
BZY93C27
BZY93C30*
BZY93C33
BZY93C36
BZY93C39
BZY93C43
BZY93C47
BZY93C51
BZY93C56*
BZY93C62
BZY93C68
BZY93C75*
BZY93C7V5R
BZY93C8V2R
BZY93C9V1R
BZY93C10R
BZY93C11R
BZY93C12R*
BZY93C13R*
BZY93C15R*
BZY93C16R
BZY93C18R*
BZY93C20R
BZY93C22R
BZY93C24R
BZY93C27R*
BZY93C30R
BZY93C33R
BZY93C36R*
BZY93C39R
BZY93C43R
BZY93C47R
BZY93C51R
BZY93C56R
BZY93C62R
BZY93C68R*
BZY93C75R
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.7
25.1
28.0
31.0
34.0
37.0
40.0
44.0
48.0
52.0
58.0
64.0
70.0
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.9
28.9
32.0
35.0
38.0
41.0
46.0
50.0
54.0
60.0
66.0
72.0
79.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.04
0.05
0.07
0.09
0.08
0.08
0.08
0.10
0.18
0.20
0.20
0.21
0.22
0.25
0.30
0.75
0.85
0.90
1.00
1.00
1.20
1.30
1.50
1.80
2.00
MIN
MAX
(Volts)
0.3
0.3
0.5
0.5
1.0
1.0
1.0
1.2
1.2
1.5
1.5
1.8
2.0
2.0
2.5
4.0
5.0
6.5
7.0
7.5
8.0
9.0
10.0
11.0
15.0
0.10
0.10
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
Max
Typ
(mA)
* Preferred voltages.
Zener
Resistance
R
Z
(
) @ I
Z
I
Z
Stud
Cathode
Part Number
Zener Voltage
V
Z
(Volts) @ I
Z
Stud
Anode
Part Number
Maximum Reverse
Leakage IR @ VR
(A)
ELECTRICAL SPECIFICATION @ Tamb 25C
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