®
TAK CHEONG
1.3 Watt DO-41 Hermetically
Sealed Glass Zener Voltage
Regulators
Licensed by
ON Semiconductor
,
A trademark of
semiconductor
Components
Industries,
LLC
for
Zener Technology
and
Products
.
Maximum Ratings
Rating
Maximum Steady State Power Dissipation
@TL≤50℃,
Lead Length = 3/8”
Derate Above 50℃
Operating and Storage
Temperature Range
Symbol
P
D
Value
1.3
8.67
T
J
, T
stg
-65 to +200
Units
W
mW/℃
°C
Specification Features:
Zener Voltage Range = 3.3V to 100V
ESD Rating of Clas 3 (>6 KV) per Human Body Model
DO-41 Package (DO-204AL)
Double Slug Type Construction
Metallurgical Bonded Construction
Oxide Passivated Die
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
85Cxxx
= Logo
= Device Code
L
85C
xxx
Ordering Information
Device
BZX85Cxxx
BZX85CxxxRL
BZX85CxxxRL2*
BZX85CxxxTA
BZX85CxxxTA2*
Package
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Quantity
2000 Units / Box
6000 Units / Tape & Reel
6000 Units / Tape & Reel
4000 Units / Tape & Ammo
4000 Units / Tape & Ammo
* The “2” suffix refer to 26mm tape spacing.
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
BZX85C3V3 through BZX85C100 Series
BZX85C3V3 through BZX85C100 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25ºC unless
otherwise noted. V
F
= 1.2 V Max @ I
F
= 200mA for all types)
Symbol
V
Z
I
ZT
Z
ZT
I
Zk
Z
Zk
I
R
V
R
I
F
V
F
I
r
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Zener Current
Maximum Zener Impedance @ I
ZT
Reverse Zener Current
Maximum Zener Impedance @ I
Zk
Reverse Leakage Current @ V
R
Reverse Voltage
Forward Current
Forward Voltage @ I
F
Surge Current @ T
A
= 25ºC
ELECTRICAL CHARACTERISTICS
(T
A
= 25ºC unless otherwise noted, V
F
= 1.2 V Max @ I
F
= 200mA for all types)
Zener Voltage
(Note 2 & 3.)
Device
(Note 1.)
Zener Impedance
(Note 4.)
Z
ZT
@ I
ZT
(Ω)
Ω
20
15
15
13
13
10
7
4
3.5
3
5
5
7
8
9
Z
ZK
@ I
ZK
Ω
(Ω)
400
500
500
500
600
500
400
300
300
200
200
200
200
300
350
(mA)
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
Leakage Current
I
R
@ V
R
(µA Max)
µ
60
30
5
3
3
1
1
1
1
1
1
1
0.5
0.5
0.5
(Volts)
1
1
1
1
1.5
2
2
3
4
4.5
5
6.5
7
7.7
8.4
I
r
(Note 5.)
Device
Marking
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
V
Z
(Volts)
Min
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
Nom
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
Max
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
@ I
ZT
(mA)
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
(mA)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
1. TOLERANCE AND TYPE NUMBER DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown. Device tolerance of
±2%
are
indicated by a “B” instead of a “C”.
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage tolerances. For detailed information on price,
availability and delivery, contact your nearest Tak Cheong representative.
3. ZENER VOLTAGE (V
Z
) MEASUREMENT
VZ is measured after the test current has been applied to 40
±10msec.,
while maintaining the lead temperature (T
L
) at 30°C
±1°C
and 3/8” lead length.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
The 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 (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
.
5. SURGE CURRENT (I
r
) NON-REPETITIVE
The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of ½ square
wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current I
ZT
per JEDEC registration;
however, actual device capability is as described in figure 5 of the General Data DO-41 Glass.
http://www.takcheong.com
2
BZX85C3V3 through BZX85C100 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25ºC unless otherwise noted, V
F
= 1.2 V Max @ I
F
= 200mA for all types)
Zener Voltage
(Note 7 & 8.)
Device
(Note 6.)
Zener Impedance
(Note 9.)
Z
ZT
@ I
ZT
(Ω)
Ω
10
15
15
20
24
25
25
30
30
35
40
45
50
90
115
120
125
130
150
200
250
350
Z
ZK
@ I
ZK
Ω
(Ω)
400
500
500
500
600
600
600
750
1000
1000
1000
1000
1000
1500
1500
2000
2000
2000
2000
3000
3000
3000
(mA)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Leakage Current
I
R
@ V
R
(µA Max)
µ
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
(Volts)
9.1
10.5
11
12.5
14
15.5
17
19
21
23
25
27
30
33
36
39
43
47
51
56
62
68
I
r
(Note 10.)
Device
Marking
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
BZX85C82
BZX85C91
BZX85C100
V
Z
(Volts)
Min
12.4
13.8
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
96
Nom
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
Max
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32
35
38
41
46
50
54
60
66
72
80
87
96
106
@ I
ZT
(mA)
20
15
15
15
10
10
10
8
8
8
8
6
6
4
4
4
4
4
4
2.7
2.7
2.7
(mA)
344
304
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
55
50
45
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
BZX85C82
BZX85C91
BZX85C100
6. TOLERANCE AND TYPE NUMBER DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown. Device tolerance of
±2%
are
indicated by a “B” instead of a “C”.
7. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage tolerances. For detailed information on price,
availability and delivery, contact your nearest Tak Cheong representative.
8. ZENER VOLTAGE (V
Z
) MEASUREMENT
VZ is measured after the test current has been applied to 40
±10msec.,
while maintaining the lead temperature (T
L
) at 30°C
±1°C
and 3/8” lead length.
9. ZENER IMPEDANCE (Z
Z
) DERIVATION
The 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 (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
.
10. SURGE CURRENT (I
r
) NON-REPETITIVE
The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of ½ square
wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current I
ZT
per JEDEC registration;
however, actual device capability is as described in figure 5 of the General Data DO-41 Glass.
http://www.takcheong.com
3
BZX85C3V3 through BZX85C100 Series
P D , STEADY STATE POWER DISSIPATION (WATTS)
1.7
1.3
0.9
0.5
0.1
0
20
40
60
80
100
120
140
160
180
200
T L, LEAD TEMPERATURE (°C)
Figure 1. Power Temperature Derating Curve
http://www.takcheong.com
4
BZX85C3V3 through BZX85C100 Series
a. Range for Units to 12 Volts
θ
VZ , TEMPERATURE COEFFICIENT (mV/
°
C)
θV
Z , TEMPERATURE COEFFICIENT (mV/
°C)
+12
+10
+8
+6
+4
+2
RANGE
0
-2
-4
2
3
4
5
6
7
8
9
10
11
12
V Z , ZENER VOLTAGE (VOLTS)
V Z
@ I
ZT
100
70
50
30
20
RANGE
V Z
@ I
ZT
b. Range for Units to 12 to 100 Volts
10
7
5
3
2
1
10
20
30
50
70
100
V Z , ZENER VOLTAGE (VOLTS)
Figure 2. Temperature Coefficients
(-55
°C
to +150
°C
temperature range; 90% of the units are in the ranges indicated.)
θ
JL , JUNCTION-TO-LEAD THERMAL RESISTANCE (mV/
°C)
150
125
100
75
θ
VZ , TEMPERATURE COEFFICIENT (mV/
°C)
175
+6
+4
V
Z
@ IZ
TA = 25
°C
+2
20 mA
0
0.01 mA
1 mA
-2
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
50
25
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
NOTE:
CHANGES IN ZENER CURRENT DO NOT
NOTE:
EFFECT TEMPERATURE COEFFICIENTS
-4
3
4
5
6
7
8
V Z , ZENER VOLTAGE (VOLTS)
L, LEAD LENGTH TO HEAT SINK (INCHES)
Figure 3. Typical Thermal Resistance
versus Lead Length
Figure 4. Effect of Zener Current
100
P pk , PEAK SURGE POWER (WATTA)
70
50
30
20
10
7
5
20% DUTY CYCLE
3
2
1
0.01
10% DUTY CYCLE
5% DUTY CYCLE
11 V - 100 V NONREPETITIVE
3.3 V - 10 V NONREPETITIVE
RECT ANGULAR
WAVEFORM
T J = 25°C PRIOR TO
INITIAL PULSE
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
PW, PULSE WIDTH (ms)
This graph represents 90 percentile data points.
For worst case design characteristics, multiply surge power by 2/3.
Figure 5. Maximum Surge Power
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5
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