®
TAK CHEONG
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Licensed by
ON Semiconductor
,
A trademark of
semiconductor
Components Industries, LLC for
Zener Technology
and
Products
.
Maximum Ratings
(Note 1)
Rating
Maximum Steady State Power Dissipation
@TL≤75℃,
Lead Length = 3/8”
Derate Above 75℃
Operating and Storage
Temperature Range
Symbol
P
D
Value
500
4.0
T
J
, T
stg
-65 to +200
Units
mW
mW/℃
°C
AXIAL LEAD
DO35
Note 1: Some part number series have lower JEDEC registered ratings.
Specification Features:
Zener Voltage Range = 2.4V to 200V
ESD Rating of Clas 3 (>6 KV) per Human Body Model
DO-35 Package (DO-204AH)
Double Slug Type Construction
Metallurgical Bonded Construction
Cathode
Anode
Specification Features:
Case
:
Double slug type, hermetically sealed glass
Finish
:
All external surfaces are corrosion resistant and leads are readily solderable
Polarity :
Cathode indicated by polarity band
Mounting:
Any
Maximum Lead Temperature for Soldering Purposes
230℃, 1/16” from the case for 10 seconds
L
79Cxxx
L
79C
xxx
= Logo
= BZX79Cxxx Device Code
Ordering Information
Device
BZX79Cxxx
BZX79CxxxRL
BZX79CxxxRL2*
BZX79CxxxRR1 !
BZX79CxxxRR2 i
BZX79CxxxTA
BZX79CxxxTA2*
BZX79CxxxRA1 !
BZX79CxxxRA2 i
Package
Axial Lead
Axial Lead
Axial Lead
Lead Form
Lead Form
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Quantity
3000 Units / Box
5000 Units / Tape & Reel
5000 Units / Tape & Reel
3000 Units / Radial Tape & Reel
3000 Units / Radial Tape & Reel
5000 Units / Tape & Ammo
5000 Units / Tape & Ammo
3000 Units / Radial Tape & Ammo
3000 Units / Radial Tape & Ammo
* The “2” suffix refer to 26mm tape spacing.
! “1”: Polarity band
up
with cathode lead off first.
i “2”: Polarity band
down
with cathode lead off first.
Devices listed in
bold italic
are Tak Cheong
Preferred
devices.
Preferred
devices are recommended choices
for future use and best overall value.
December 2005 / B
http://takcheong.com
1
BZX79C2V4 through BZX79C200 Series
BZX79C2V4 through BZX79C200 Series
ELECTRICAL CHARACTERIZATION
(
T
A
= 25°C unless
otherwise noted, VF = 1.5V max @ I
F
= 100mA for all types)
Symbol
V
Z
I
ZT
Z
ZT
θV
BR
I
R
V
R
I
F
V
F
C
Parameter
Reverse Zener Voltage @
I
ZT
Reverse Current
Maximum Zener Impedance @
I
ZT
Temperature Coefficient of
V
BR
(Typical)
Reverse Leakage Current @
V
R
Reverse Voltage
Forward Current
Forward Voltage @
I
F
Capacitance (Typical)
I
I
F
V
Z
V
R
I
R
I
ZT
V
F
V
Zener Voltage Regulator
ELECTRICAL CHARACTERIZATION
(
T
A
= 25°C unless otherwise noted, VF = 1.5V max @ I
F
= 100mA for all types)
V
Z
@ I
ZT
(Volts)
Device
(Note 2.)
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C15
Device
Marking
79C2V4
79C2V7
79C3V0
79C3V3
79C3V6
79C3V9
79C4V3
79C4V7
79C5V1
79C5V6
79C6V2
79C6V8
79C7V5
79C8V2
79C9V1
79C10
79C11
79C12
79C13
79C15
(Note 3.)
Min
2.2
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
13.8
Max
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
Max Zener
Impedance
(Note 4.)
I
ZT
@ I
ZT
(Ω)
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
I
ZT
(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Leakage Current
I
R
@ V
R
(uA)
100
75
50
25
15
10
5
3
2
1
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
(Volts)
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
θV
BR
(mV/℃)
Min
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-2.7
-2
0.4
1.2
2.5
3.2
3.8
4.5
5.4
6
7
9.2
Max
0
0
0
0
0
0.3
1
0.2
1.2
2.5
3.7
4.5
5.3
6.2
7
8
9
10
11
13
C
V
Z
=0,
F=1.0MHz
(pF)
255
230
215
200
185
175
160
130
110
95
90
85
80
75
70
70
65
65
60
55
2. TOLERANCE AND VOLTAGE DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown.
3. REVERSE ZENER VOLTAGE (V
Z
)
Reverse zener voltage is measured under pulse conditions such at T
J
is no more than 2℃ above T
A
.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are
for I
Z(AC)
= 0.1 I
Z(DC)
with AC frequency = 60Hz.
http://takcheong.com
2
BZX79C2V4 through BZX79C200 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25ºC unless
otherwise noted. V
F
= 1.5 V Max @ I
F
= 100mA for all types)
Symbol
V
Z
I
ZT
Z
ZT
θV
BR
I
R
V
R
I
F
V
F
C
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Zener Current
Maximum Zener Impedance @ I
ZT
Temperature Coefficient of V
BR
(Typical)
Reverse Leakage Current @ V
R
Reverse Voltage
Forward Current
Forward Voltage @ I
F
Capacitance (Typical)
ELECTRICAL CHARACTERISTICS
(T
A
= 25c unless otherwise noted, V
F
= 1.5 V Max @ I
F
= 100mA for all types)
V
Z
@ I
ZT
(Volts)
Device
(Note 2.)
Max Zener
Impedance
(Note 4)
C
Leakage Current
I
ZT
(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
I
R
@ V
R
(µA)
µ
100
75
50
25
15
10
5
3
2
1
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
(Volts)
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
θ
V
BR
(mV/ºC)
Min
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-2.7
-2
0.4
1.2
2.5
3.2
3.8
4.5
5.4
6
7
9.2
Max
0
0
0
0
0
0.3
1
0.2
1.2
2.5
3.7
4.5
5.3
6.2
7
8
9
10
11
13
V
Z
= 0,
F = 1.0MHz
(pF)
255
230
215
200
185
175
160
130
110
95
90
85
8
75
70
70
65
65
60
55
Device
Marking
79C2V4
79C2V7
79C3V0
79C3V3
7C3V6
79C3V9
79C4V3
79C4V7
79C5V1
79C5V6
79C6V2
79C6V8
79C7V5
79C8V2
79C9V1
79C10
79C11
79C12
79C13
79C15
(Note 3.)
Z
ZT
@ I
ZT
(Ω)
Ω
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
Min
2.2
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
13.8
Max
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX7C3V6
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C15
2. TOLERANCE AND VOLTAGE DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown.
3. REVERSE ZENER VOLTAGE (V
Z
)
Reverse zener voltage is measured under pulse conditions such that T
J
is no more than 2ºC above T
A
.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits
are for I
Z(AC)
= 0.1 I
Z(DC)
with AC frequency = 60Hz.
http://www.takcheong.com
2
BZX79C2V4 through BZX79C200 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25c unless otherwise noted, V
F
= 1.5 V Max @ I
F
= 100mA for all types)
V
Z
@ I
ZT
(Volts)
Device
(Note 2.)
Max Zener
Impedance
(Note 4)
C
Leakage Current
I
ZT
(mA)
5
5
5
5
5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
I
R
@ V
R
(µA)
µ
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
(Volts)
11.2
12.6
14
15.4
16.8
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
43.4
47.6
52.5
62
69
76
84
91
99
114
122
137
152
46
51
57
63
69
75
87
93
105
120
θ
V
BR
(mV/ºC)
Min
10.4
12.9
14.4
16.4
18.4
Max
14
16
18
20
22
23.5
26
29
31
34
37
40
44
47
51
56
60
95
107
119
131
144
158
185
200
228
255
V
Z
= 0,
F = 1.0MHz
(pF)
52
47
36
34
33
30
27
25
23
21
21
19
19
18
17
17
16.5
29
28
27
26
24
23
21
20
18
17
Device
Marking
79C16
79C18
79C20
79C22
79C24
79C27
79C30
79C33
79C36
79C39
79C43
79C47
79C51
79C56
79C62
79C68
79C75
79C82
79C91
79C100
79C110
79C120
79C130
79C150
79C160
79C180
79C200
(Note 3.)
Z
ZT
@ I
ZT
(Ω)
Ω
40
45
55
55
70
80
80
80
90
130
150
170
180
200
215
240
255
280
300
500
650
800
950
1250
1400
1700
2000
Min
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
40
44
48
52
58
64
70
77
85
94
104
114
124
138
153
168
188
Max
17.1
19.1
21.2
23.3
25.6
28.9
32
35
38
41
46
50
54
60
66
72
79
87
96
106
116
127
141
156
171
191
212
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
BZX79C43
BZX79C47
BZX79C51
BZX79C56
BZX79C62
BZX79C68
BZX79C75
BZX79C82
BZX79C91
BZX79C100
BZX79C110
BZX79C120
BZX79C130
BZX79C150
BZX79C160
BZX79C180
BZX79C200
2. TOLERANCE AND VOLTAGE DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown.
3. REVERSE ZENER VOLTAGE (V
Z
)
Reverse zener voltage is measured under pulse conditions such that T
J
is no more than 2ºC above T
A
.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits
are for I
Z(AC)
= 0.1 I
Z(DC)
with AC frequency = 60Hz.
http://www.takcheong.com
3
BZX79C2V4 through BZX79C200 Series
0.7
HEAT
SINKS
0.6
P D , MAXIMUM STEADY STATE
POWER DISSIPATION (WATTS)
0.5
0.4
3/8"
3/8"
0.3
0.2
0.1
0
0
20
40
60
80
100
120
140
160
180
200
T L , LEAD TEMPERATURE (°C)
Figure 1. Steady State Power Derating
http://www.takcheong.com
4
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