Silicon Zener Diode Series
Rev. V2
1N957B-1 thru 1N986B-1
1
1
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1
Features
• 1N962B-1 thru 1N986B-1 Available in JAN,
JANTX and JANTXV per MIL-PRF-19500/117
• Standard voltage tolerances are plus/minus 5%
with B suffix, 10% with A suffix identification.
• Tight tolerances available in plus or minus 2% or
1% with C or D suffix respectively.
• 500 mW power handling
• Hermetically sealed axial-leaded glass DO-35
package.
Electrical Specifications: TA = +25°C (unless otherwise specified)
Part #1
Normal
Zener
Voltage
VZ
Zener
Test
Current
IZT
Max.
Zener
Impedance
ZZT @ IZT ZZK @ IZK
Max.
DC Zener
Current
IZM
Max.
Surge
Current
IZSM
Max.
Reverse
Leakage
IR @ VR
Max.
Temperature
Coefficient
aVZ
Volts mA Ohms Ohms mA mA mA mA Volts %/°C
1N957B-1 6.8 18.5 4.5 700 1.0 55 300 150 5.2 0.050
1N958B-1 7.5 16.5 5.5 700 0.5 50 275 75 5.7 0.058
1N959B-1 8.2 15.0 6.5 700 0.5 45 250 50 6.2 0.065
1N960B-1 9.1 14.0 7.5 700 0.5 41 225 25 6.9 0.068
1N961B-1 10 12.5 8.5 700 0.25 38 200 10 7.6 0.075
1N962B-1 11 11.5 9.5 700 0.25 32 175 5 8.4 0.076
1N963B-1 12 10.5 11.5 700 0.25 31 160 5 9.1 0.077
1N964B-1 13 9.5 13 700 0.25 28 150 5 9.9 0.079
1N965B-1 15 8.5 16 700 0.25 25 130 5 11.4 0.082
1N966B-1 16 7.8 17 700 0.25 24 120 5 12.2 0.083
1N967B-1 18 7.0 21 750 0.25 20 110 5 13.7 0.085
1N968B-1 20 6.2 25 750 0.25 18 100 5 15.2 0.086
1N969B-1 22 5.6 29 750 0.25 16 90 5 16.7 0.087
1N970B-1 24 5.2 33 750 0.25 15 80 5 18.2 0.088
1. The JEDEC type numbers shown (B Suffix) have a +5% tolerance on nominal Zener Votlage. The suffix A is used to identify +10%
tolerance; suffix C is used to identify +2%: and suffix D is used identify +1%; no suffix indicates +20%.
Continued on next page
Silicon Zener Diode Series
Rev. V2
1N957B-1 thru 1N986B-1
2
2
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.vptcomponents.com for additional data sheets and product information.
For further information and support please visit:
www.vptcomponents.com
2
Absolute Maximum Ratings2,3
Thermal Resistance 250°C/W
Steady-State Power 0.5 W
Forward Voltage 1.1 V @ 200 mA
Operating / Storage Temperature -65°C to +175°C
2. Exceeding any one or combination of these limits may cause permanent damage to this device.
3. VPT Components does not recommend sustained operation near these survivability limits.
Electrical Specifications: TA = +25°C (unless otherwise specified)
Part #1
Normal
Zener
Voltage
VZ
Zener
Test
Current
IZT
Max.
Zener
Impedance
ZZT @ IZT ZZK @ IZK
Max.
DC Zener
Current
IZM
Max.
Surge
Current
IZSM
Max.
Reverse
Leakage
IR @ VR
Max.
Temperature
Coefficient
aVZ
Volts mA Ohms Ohms mA mA mA mA Volts %/°C
1N971B-1 27 4.6 41 750 0.25 13 70 5 20.6 0.090
1N972B-1 30 4.2 49 1000 0.25 12 65 5 22.8 0.091
1N973B-1 33 3.8 58 1000 0.25 11 60 5 25.1 0.092
1N974B-1 36 3.4 70 1000 0.25 10 55 5 27.4 0.093
1N975B-1 39 3.2 80 1000 0.25 9.5 46 5 29.7 0.094
1N976B-1 43 3.0 93 1000 0.25 8.8 44 5 32.7 0.095
1N977B-1 47 2.7 105 1500 0.25 7.9 40 5 35.8 0.095
1N978B-1 51 2.5 125 1500 0.25 7.4 37 5 38.8 0.096
1N979B-1 56 2.2 150 2000 0.25 6.8 35 5 42.6 0.096
1N980B-1 62 2.0 185 2000 0.25 6.0 30 5 47.1 0.097
1N981B-1 68 1.8 230 2000 0.25 5.5 28 5 51.7 0.097
1N982B-1 75 1.7 270 2000 0.25 5.0 26 5 56.0 0.098
1N983B-1 82 1.5 330 3000 0.25 4.6 23 5 62.2 0.098
1N984B-1 91 1.4 400 3000 0.25 4.1 21 5 69.2 0.099
1N985B-1 100 1.3 500 3000 0.25 3.7 18 5 76.0 0.110
1N986B-1 110 1.1 750 4000 0.25 3.3 16 5 83.6 0.110
1. The JEDEC type numbers shown (B Suffix) have a +5% tolerance on nominal Zener Votlage. The suffix A is used to identify +10%
tolerance; suffix C is used to identify +2%: and suffix D is used identify +1%; no suffix indicates +20%.
Silicon Zener Diode Series
Rev. V2
1N957B-1 thru 1N986B-1
3
3
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.vptcomponents.com for additional data sheets and product information.
For further information and support please visit:
www.vptcomponents.com
3
Silicon Zener Diode Series
Rev. V2
1N957B-1 thru 1N986B-1
4
4
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.vptcomponents.com for additional data sheets and product information.
For further information and support please visit:
www.vptcomponents.com
4
Outline Drawing
Silicon Zener Diode Series
Rev. V2
1N957B-1 thru 1N986B-1
5
5
VPT Components and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.vptcomponents.com for additional data sheets and product information.
For further information and support please visit:
www.vptcomponents.com
5
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specifications and product descriptions at any time, without notice. VPT Components makes no commitment to
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