Zeners/Studs
Quality, Affordable Voltage Regulation
Whether you need stable, steady state
voltage regulation for a new design, or in
support of an existing product, you can
rely on Crydom Zeners/Studs for high
quality and performance, short delivery
times, and competitive pricing.
MAXIMUM RATINGS
• Voltage range: 7.5- 75 V
• 1500 watt peak pulse power
• 20 watt steady state @ 75°C
• 15 watt steady state @ 100°C
BZY93
Series
FEATURES
• Glass passivated junction
• 1500 watt surge capability at 1 ms
• Typically IR less than 5 µA above 10 V
• Excellent clamping capability
• Stud cathode and stud anode
• 100% tested
• Operating temperature: -55°C to +175°C
PART
NUMBER
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
TYP.
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
MAX.
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
IZ
(A)
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
TYP.
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
1.0
1.0
1.2
1.3
1.5
1.8
2.0
(mA)
0.1
0.1
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
(V)
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
MAX.
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
Note: Suffix “R” denotes stud anode reverse. Electrical specification @ 25°C.
To Order: 1-877-502-5500 Fax: 1-619-715-7280
ZENER RESISTANCE
RZ(Ω) @ IZ
ZENER VOLTAGE
VZ(V) @ IZMAXIMUM REVERSE
LEAKAGE IR@ VR
Zeners/Studs
BZY93 Series
0 -50 0 50 100 150
0
5.0
10
15
20
Maximum Total Dissipation Plotted
Against Mounting Base Temp
Ptot max. (W)
Tmb (°C)
BZY93C
Voltage
N = Stud cathode normal
R = Stud anode reverse
MECHANICAL CHARACTERISTICS
• Case: Hermetically sealed D04 outline
• Finish: All external surfaces are corro-
sion resistant and terminal solderable
• Polarity: Indicated by direction of
zener symbol
• Weight: 4.2 grams excluding mounting
kit (approx.)
ELECTRICAL DATA
• Forward voltage VF1.5 V max. @
IF≤5 A 300 µs square wave pulse
•V
Zmeasured with pulse ≤100 µs
and duty cycle ≤0.001
• Rz determined with DC plus 10%
superimposed AC @ 1kHz
Ordering Information
For recommended applications and more
information contact:
Sales: 1-877-502-5500
Technical support: 1-877-702-7700
Corporate Headquarters: 1-619-715-7200
Fax: 1-619-715-7280
E-mail: sales@crydom.com
Website: www.crydom.com
FASTFAX Product Info: 1-888-267-9191
Specify Crydom
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About Crydom
Over the years Crydom has become the
supplier of choice for advanced, high-quality
products like those featured here. It's the
result of our teams of design and production
engineers – material, production control,
and quality assurance experts, and more –
working seamlessly together to create,
produce, and deliver superior components
and products that satisfy the most demand-
ing environmental and performance require-
ments. We focus on timely delivery and
competitive pricing aimed at meeting your
needs and helping you succeed in today's
fast-paced, fast-changing global markets.
Crydom
9525 Chesapeake Drive
San Diego, CA 92123 USA
©1998 Crydom
Specifications subject to change without notice.
CRYDOM BZY93 998-5000 Ver A
