www.element14.com
www.farnell.com
www.newark.com
Page <1> V1.027/02/13
Zener Diode
Features:
• Silicon Planar Power Zener Diodes
• StandardZenerVoltageToleranceis±5%.witha“B”Sufx.
Other Tolerances are Available Upon Request
Mechanical Data:
• Case:DO-35, Glass Case
• Terminals: Solderable per MIL-STD-202, Method 208
• Polarity: Cathode Band
• Marking: Type Number
• Approx.Weight:0.13g
Maximum Ratings and Electrical Characteristics:
Ratings at 25 ambient temperature unless otherwise specied.
Single phase, half wave,60Hz, resistive or inductive load. For capacitive load,derate by 20%.
Characteristics Symbol Value Unit
Power dissipation at Ta=25°C(Note1) Ptot 500 mW
Junction temperature TJ175 °C
Storage temperature range Ts-55to+175 °C
Characteristics Symbol Min. Typ. Max. Unit
Thermalresistancejunctiontoambient(Note1) RθJA - - 300 °C/W
Forward voltage at IF=200mA VF- - 1.2 V
Notes:
(1)Validprovidedthatleadsatadistanceof10mmfromcasearekeptatambienttemperature
www.element14.com
www.farnell.com
www.newark.com
Page <2> V1.027/02/13
Zener Diode
Part Number
Nominal Zener
Voltage
(Note 1)
Test
Current
Maximum Dynamic
Impedance
(Note 1)
Typical
Temperature
of Coefzient
Maximum Reverse
Leakage Current
VZIZT ZZT@IZT ZZK@
IZK=0.25mA αVZ@IZT IRM VR
VmA Ω Ω %/°C A V
1N5231B-T 5.1
20
17 1,600 ﹢0.03 52
1N5232B-T 5.6 11 ﹢0.038 3
1N5236B-T 7.5 6 500 ﹢0.058 3 6
1N5250B-T 20 6.2 25 600 +0.086 0.1 15
Electrical Characteristics:
(TA=25°C)
Notes:
(1)Basedondc-measurementatthermalequilibrium;leadlength=9.5(3/8”);thermalresistanceofheatsink=30k/W.
www.element14.com
www.farnell.com
www.newark.com
Page <3> V1.027/02/13
Zener Diode
Important Notice :Thisdatasheetanditscontents(the“Information”)belongtothemembersofthePremierFarnellgroupofcompanies(the“Group”)orarelicensedtoit.Nolicenceisgranted
for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change
without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the
Groupwasawareofthepossibilityofsuchlossordamagearising)isexcluded.ThiswillnotoperatetolimitorrestricttheGroup’sliabilityfordeathorpersonalinjuryresultingfromitsnegligence.
MulticompistheregisteredtrademarkoftheGroup.©PremierFarnellplc2012.
Part Number Table
Description Part Number
Zener Diodes
1N5231B-T
1N5232B-T
1N5236B-T
1N5250B-T
DO-35(GLASS)
Dimensions:
Dimensions : Millimetres