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Zener Diodes
PRIMARY CHARACTERISTICS
PARAMETER VALUE UNIT
range nom. 2.7 to 100 V
V
Z
Test current I
specification Pulse current
V
Z
Int. construction Single
2.7 to 80 mA
ZT
BZX85-Series
Vishay Semiconductors
FEATURES
• Silicon planar power Zener diodes
• For use in stabilizing and clipping circuits with
high power rating
• The Zener voltages are graded according to the
international E 24 standard. Replace suffix “C”
with “B” for ± 2 % tolerance
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Voltage stabilization
ORDERING INFORMATION
DEVICE NAME ORDERING CODE TAPED UNITS PER REEL
BZX85-series BZX85-series-TR 5000 (52 mm tape on 13" reel) 25 000/box
BZX85-series BZX85-series-TAP
5000 per ammopack
(52 mm tape)
MINIMUM ORDER
QUANTITY
25 000/box
PACKAGE
PACKAGE NAME WEIGHT
DO-41 310 mg UL 94 V-0
ABSOLUTE MAXIMUM RATINGS (T
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Power dissipation
Zener current See Table “Electrical characteristics”
Junction to ambient air
Junction temperature
Storage temperature range
Valid provided that leads at a distance of 4 mm
from case are kept at ambient temperature
Valid provided that leads at a distance of 4 mm
from case are kept at ambient temperature
MOLDING COMPOUND
FLAMMABILITY RATING
= 25 °C, unless otherwise specified)
amb
MOISTURE SENSITIVITY
LEVEL
MSL level 1
(according J-STD-020)
P
tot
R
thJA
T
j
T
stg
-55 to +175 °C
SOLDERING CONDITIONS
260 °C/10 s at terminals
1300 mW
110 K/W
175 °C
Rev. 2.2, 02-Jun-14
For technical questions within your region: DiodesAmericas@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1
, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 85607
Page 2
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BZX85-Series
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (T
ZENER VOLTAGE
PART NUMBER
RANGE
VZ at I
ZT1
(1)
CURRENT
I
ZT1IZT2
= 25 °C, unless otherwise specified)
amb
TEST
REVERSE
LAEKAGE
CURRENT
IR at V
R
DYNAMIC
RESISTANCE
ZZ at I
ZT1ZZK
(3)
at I
TEMPERATURE
COEFFICIENT
OF ZENER
VOLTAGE
ZT2
VZ at I
ADMISSIBLE
CURRENT
ZT1
V mA μA V %/°C mA
MIN. NOM. MAX. MAX. MAX. MIN. MAX.
BZX85C2V7 2.5 2.7 2.9 80 1 < 150 1 < 20 < 400 - 0.08 - 0.05 360
BZX85C3V0 2.8 3.0 3.2 80 1 < 100 1 < 20 < 400 - 0.08 - 0.05 330
BZX85C3V3 3.1 3.3 3.5 80 1 < 40 1 < 20 < 400 - 0.08 - 0.05 300
BZX85C3V6 3.4 3.6 3.8 60 1 < 20 1 < 20 < 500 - 0.08 - 0.05 290
BZX85C3V9 3.7 3.9 4.1 60 1 < 10 1 < 15 < 500 - 0.07 - 0.02 280
BZX85C4V3 4 4.3 4.6 50 1 < 3 1 < 13 < 500 - 0.05 0.01 250
BZX85C4V7 4.4 4.7 5 45 1 < 3 1 < 13 < 600 - 0.03 0.04 215
BZX85C5V1 4.8 5.1 5.4 45 1 < 1 1.5 < 10 < 500 - 0.01 0.04 200
BZX85C5V6 5.2 5.6 6 45 1 < 1 2 < 7 < 400 0 0.045 190
BZX85C6V2 5.8 6.2 6.6 35 1 < 1 3 < 4 < 300 0.01 0.055 170
BZX85C6V8 6.4 6.8 7.2 35 1 < 1 4 < 3.5 < 300 0.015 0.06 155
BZX85C7V5 7 7.5 7.9 35 0.5 < 1 4.5 < 3 < 200 0.02 0.065 140
BZX85C8V2 7.7 8.2 8.7 25 0.5 < 1 6.2 < 5 < 200 0.03 0.07 130
BZX85C9V1 8.5 9.1 9.6 25 0.5 < 1 6.8 < 5 < 200 0.035 0.075 120
BZX85C10 9.4 10 10.6 25 0.5 < 0.5 7.5 < 7 < 200 0.04 0.08 105
BZX85C11 10.4 11 11.6 20 0.5 < 0.5 8.2 < 8 < 300 0.045 0.08 97
BZX85C12 11.4 12 12.7 20 0.5 < 0.5 9.1 < 9 < 350 0.045 0.085 88
BZX85C13 12.4 13 14.1 20 0.5 < 0.5 10 < 10 < 400 0.05 0.085 79
BZX85C15 13.8 15 15.6 15 0.5 < 0.5 11 < 15 < 500 0.055 0.09 71
BZX85C16 15.3 16 17.1 15 0.5 < 0.5 12 < 15 < 500 0.055 0.09 66
BZX85C18 16.8 18 19.1 15 0.5 < 0.5 13 < 20 < 500 0.06 0.09 62
BZX85C20 18.8 20 21.2 10 0.5 < 0.5 15 < 24 < 600 0.06 0.09 56
BZX85C22 20.8 22 23.3 10 0.5 < 0.5 16 < 25 < 600 0.06 0.095 52
BZX85C24 22.8 24 25.6 10 0.5 < 0.5 18 < 25 < 600 0.06 0.095 47
BZX85C27 25.1 27 28.9 8 0.25 < 0.5 20 < 30 < 750 0.06 0.095 41
BZX85C30 28 30 32 8 0.25 < 0.5 22 < 30 < 1000 0.06 0.095 36
BZX85C33 31 33 35 8 0.25 < 0.5 24 < 35 < 1000 0.06 0.095 33
BZX85C36 34 36 38 8 0.25 < 0.5 27 < 40 < 1000 0.06 0.095 30
BZX85C39 37 39 41 6 0.25 < 0.5 30 < 50 < 1000 0.06 0.095 28
BZX85C43 40 43 46 6 0.25 < 0.5 33 < 50 < 1000 0.06 0.095 26
BZX85C47 44 47 50 4 0.25 < 0.5 36 < 90 < 1500 0.06 0.095 23
BZX85C51 48 51 54 4 0.25 < 0.5 39 < 115 < 1500 0.06 0.095 21
BZX85C56 52 56 60 4 0.25 < 0.5 43 < 120 < 2000 0.06 0.095 19
BZX85C62 58 62 66 4 0.25 < 0.5 47 < 125 < 2000 0.06 0.095 16
BZX85C68 64 68 72 4 0.25 < 0.5 51 < 130 < 2000 0.055 0.095 15
BZX85C75 70 75 80 4 0.25 < 0.5 56 < 135 < 2000 0.055 0.095 14
BZX85C82 77 82 87 2.7 0.25 < 0.5 62 < 200 < 3000 0.055 0.095 12
BZX85C91 85 91 96 2.7 0.25 < 0.5 68 < 250 < 3000 0.055 0.095 10
BZX85C100 96 100 106 2.7 0.25 < 0.5 75 < 350 < 3000 0.055 0.095 9.4
Notes
(1)
Measured with pulses tp = 5 ms
(2)
Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case
(3)
Measured with f = 1 kHz
ZENER
I
Z
(2)
Rev. 2.2, 02-Jun-14
For technical questions within your region: DiodesAmericas@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 85607
Page 3
www.vishay.com
BZX85-Series
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (T
ZENER VOLTAGE
PART NUMBER
RANGE
VZ at I
ZT1
(1)
CURRENT
I
ZT1IZT2
= 25 °C, unless otherwise specified)
amb
TEST
REVERSE
LAEKAGE
CURRENT
IR at V
R
DYNAMIC
RESISTANCE
ZZ at I
ZT1ZZK
(3)
at I
TEMPERATURE
COEFFICIENT
OF ZENER
VOLTAGE
ZT2
VZ at I
ADMISSIBLE
CURRENT
ZT1
V mA μA V %/°C mA
MIN. NOM. MAX. MAX. MAX. MIN. MAX.
BZX85B2V7 2.64 2.7 2.76 80 1 < 150 1 < 20 < 400 - 0.08 - 0.05 360
BZX85B3V0 2.94 3 3.06 80 1 < 100 1 < 20 < 400 - 0.08 - 0.05 330
BZX85B3V3 2.24 3.3 3.36 80 1 < 40 1 < 20 < 400 - 0.08 - 0.05 300
BZX85B3V6 3.53 3.6 3.67 60 1 < 20 1 < 20 < 500 - 0.08 - 0.05 290
BZX85B3V9 3.82 3.9 3.98 60 1 < 10 1 < 15 < 500 - 0.07 - 0.02 280
BZX85B4V3 4.21 4.3 4.39 50 1 < 3 1 < 13 < 500 - 0.05 0.01 250
BZX85B4V7 4.61 4.7 4.79 45 1 < 3 1 < 13 < 600 - 0.03 0.04 215
BZX85B5V1 5 5.1 5.2 45 1 < 1 1.5 < 10 < 500 - 0.01 0.04 200
BZX85B5V6 5.49 5.6 5.71 45 1 < 1 2 < 7 < 400 0 0.045 190
BZX85B6V2 6.08 6.2 6.32 35 1 < 1 3 < 4 < 300 0.01 0.055 170
BZX85B6V8 6.66 6.8 6.94 35 1 < 1 4 < 3.5 < 300 0.015 0.06 155
BZX85B7V5 7.35 7.5 7.65 35 0.5 < 1 4.5 < 3 < 200 0.02 0.065 140
BZX85B8V2 8.04 8.2 8.36 25 0.5 < 1 6.2 < 5 < 200 0.03 0.07 130
BZX85B9V1 8.92 9.1 9.28 25 0.5 < 1 6.8 < 5 < 200 0.035 0.075 120
BZX85B10 9.8 10 10.2 25 0.5 < 0.5 7.5 < 7 < 200 0.04 0.08 105
BZX85B11 10.8 11 11.2 20 0.5 < 0.5 8.2 < 8 < 300 0.045 0.08 97
BZX85B12 11.8 12 12.2 20 0.5 < 0.5 9.1 < 9 < 350 0.045 0.085 88
BZX85B13 12.7 13 13.3 20 0.5 < 0.5 10 < 10 < 400 0.05 0.085 79
BZX85B15 14.7 15 15.3 15 0.5 < 0.5 11 < 15 < 500 0.055 0.09 71
BZX85B16 15.7 16 16.3 15 0.5 < 0.5 12 < 15 < 500 0.055 0.09 66
BZX85B18 17.6 18 18.4 15 0.5 < 0.5 13 < 20 < 500 0.06 0.09 62
BZX85B20 19.6 20 20.4 10 0.5 < 0.5 15 < 24 < 600 0.06 0.09 56
BZX85B22 21.6 22 22.4 10 0.5 < 0.5 16 < 25 < 600 0.06 0.095 52
BZX85B24 23.5 24 24.5 10 0.5 < 0.5 18 < 25 < 600 0.06 0.095 47
BZX85B27 26.5 27 27.5 8 0.25 < 0.5 20 < 30 < 750 0.06 0.095 41
BZX85B30 29.4 30 30.6 8 0.25 < 0.5 22 < 30 < 1000 0.06 0.095 36
BZX85B33 32.3 33 33.7 8 0.25 < 0.5 24 < 35 < 1000 0.06 0.095 33
BZX85B36 35.3 36 36.7 8 0.25 < 0.5 27 < 40 < 1000 0.06 0.095 30
BZX85B39 38.2 39 39.8 6 0.25 < 0.5 30 < 50 < 1000 0.06 0.095 28
BZX85B43 42.1 43 43.9 6 0.25 < 0.5 33 < 50 < 1000 0.06 0.095 26
BZX85B47 46.1 47 47.9 4 0.25 < 0.5 36 < 90 < 1500 0.06 0.095 23
BZX85B51 50 51 52 4 0.25 < 0.5 39 < 115 < 1500 0.06 0.095 21
BZX85B56 54.9 56 57.1 4 0.25 < 0.5 43 < 120 < 2000 0.06 0.095 19
BZX85B62 60.8 62 63.2 4 0.25 < 0.5 47 < 125 < 2000 0.06 0.095 16
BZX85B68 66.6 68 69.4 4 0.25 < 0.5 51 < 130 < 2000 0.055 0.095 15
BZX85B75 73.5 75 76.5 4 0.25 < 0.5 56 < 135 < 2000 0.055 0.095 14
BZX85B82 80.4 82 83.6 2.7 0.25 < 0.5 62 < 200 < 3000 0.055 0.095 12
BZX85B91 89.2 91 92.8 2.7 0.25 < 0.5 68 < 250 < 3000 0.055 0.095 10
BZX85B100 98 100 102 2.7 0.25 < 0.5 75 < 350 < 3000 0.055 0.095 9.4
Notes
(1)
Measured with pulses tp = 5 ms
(2)
Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case
(3)
Measured with f = 1 kHz
ZENER
I
Z
(2)
Rev. 2.2, 02-Jun-14
For technical questions within your region: DiodesAmericas@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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Document Number: 85607
Page 4
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10-510-410
-3
10-210-1110 s
10
3
10
2
10
1
°C/W
2
5
4
3
2
5
4
3
2
5
4
3
r
thA
t
P
18458
t
P
v =
T
P
I
___
T
t
P
0.5
0.2
0.1
0.05
0.02
0.01
0.1 2
110
mA
10
3
10
2
10
Ω
2
5
4
3
r
zj
I
Z
18459
54
3254
3
56
43
7
2
5
4
3
7
1
2
10 100 mA
100
10
1
Ω
2
5
4
3
r
zj
I
Z
18460
54
3254
3
7
2
5
4
3
7
43
36
30
24
22
18
010
20 30
mm
200
100
0
°C/W
R
thA
lead length
18461
max.
typ.
1
2
10 100 mA
10
3
10
2
1
Ω
r
zj
I
Z
18463
54
3254
3
2
5
4
3
2
5
4
3
2
5
4
3
10
7
7
5V1
4V3
18
12
10
7V5
6V2
BZX85-Series
Vishay Semiconductors
BASIC CHARACTERISTICS (T
amb
Fig. 1 - Pulse Thermal Resistance vs. Pulse Duration
= 25 °C, unless otherwise specified)
Fig. 4 - Thermal Resistance vs. Lead Length
P
tot
W
2
1
0
0100
T
amb
Fig. 2 - Dynamic Resistance vs. Zener Current
Rev. 2.2, 02-Jun-14
Fig. 3 - Dynamic Resistance vs. Zener Current
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
For technical questions within your region: DiodesAmericas@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
Fig. 5 - Admissible Power Dissipation vs. Ambient Temperature
Fig. 6 - Dynamic Resistance vs. Zener Current
4
Document Number: 85607
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200 °C
18462
Page 5
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01234567
8 9 1011 12131415 V
0
40
80
120
160
200
240
mA
I
Z
V
Z
Tj = 25 °C
4V7
3V9
5V6
6V8
8V2
10
12
18456
0 5 101520253035
40 45 50 V
10
20
30
40
50
60
mA
I
Z
V
Z
18457
Tj = 25 °C
15 18
22
27
33
39
47
0
BZX85-Series
Vishay Semiconductors
Fig. 7 - Breakdown Characteristics
Fig. 8 - Breakdown Characteristics
PACKAGE DIMENSIONS in millimeters (inches): DO-41
Cathode identification
Rev. 2.2, 02-Jun-14
94 9368
0.86 (0.034) max.
For technical questions within your region: DiodesAmericas@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
26 (1.024) min. 4.1 (0.161) max. 26 (1.024) min.
2.6 (0.102) max.
5
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Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
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Document Number: 91000
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