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MIL-PRF-19500-114 Semiconductor Device, Diode, Silicon, Voltage Regulator, 1N2804B Through 1N2811B, 1N2813B, 1N2814B, 1N2816B, 1N2818B Through 1N2820B, 1N2822B Through 1N2827B, 1N2829B, 1N2831B Through 1N2838B, 1N2840B Through 1N2846B, And Rb Types, 1N4557B Through 1N4562B, And Rb Types, Jan, Jantx, Jantxv, And JansThe specification covers the performance requirements for 50 watt silicon voltage regulator diodes. Forty-two devices, each with standard \(B types\) and reverse \(RB types\) polarity are addressed by this specification. Four levels of product assurance are provided for each device type as specified in MIL–PRF–19500.

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MIL�PRF�19500/114H
6.4 Symbols used in this specification sheet. The following symbols are used in this specification sheet. The
definition associated with the symbol shall be as defined in MIL�PRF�19500 or herein.
αVZ
Temperature coefficient.
IF
Forward current, DC value, no alternating component.
IR1
Reverse current.
IR3
Reverse current, dc max (after life test).
Isig
Detector signal current.
IZ
Maximum dc current.
IZK
Regulator or reference current, dc near breakdown knee.
IZM
Maximum zener current.
IZSM
Maximum zener surge current.
IZT
Zener test current.
PT
Total power dissipation, all terminals.
RΘJC
Thermal resistance.
TA
Ambient or free air temperature.
TC
Case temperature.
TJ
Junction temperature.
TSTG
Storage temperature.
ĆVF
Forward voltage.
VR
Reverse voltage.
Vz
Regulator voltage.
Vz(reg)
Voltage regulation.
Z
Impedance.
ZK
Knee impedance.
6.5 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where
changes from the previous issue were made. This was done as a convenience only and the Government assumes
no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the
requirements of this document based on the entire content irrespective of the marginal notations and relationship to
the last previous issue.
Custodians:
Preparing activity:
Army � CR
DLA�CC
Navy � EC
Air Force � 85
(Project 5961�2009�076)
DLA � CC
Review activities:
Army � AR, MR, SM
Navy � AS, MC, SH
Air Force � 19
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at https://assist.daps.dla.mil.
13



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