RD190E Datasheet PDF – 190V, 500mW, Zener Diode – NEC

Part Number: RD190E

Function: 500 mW, 190V,  Zener Diode, Rectifier

Package: DO-35 Type

Manufacturer: NEC ( Renesas Technology )


RD190E datasheet



NEC Type RD2.0E to RD200E Series are planar type zener diode in the popular DO-35 package with DHD (Double Heatsink Diode) construction having allowable power dissipation of 500 mW. To meet various application at customers, Vz(zener voltage) is classified into the tight tolerance under the specific suffix (B, B1 to B7).


1. DHD (Double Heatsink Diode) Construction
2. Vz : Applied E24 standard (RD130E to RD200E: 10 volts step)
3. DO-35 Glass sealed package

Absolute maximum ratings (TA = 25 °C)

1. Forward Current : IF = 200 mA
2. Power Dissipation : P = 500 mW
3. Surge Reverse Power : PRSM = 100 W (t = 10 ms)
4. Junction Temperature: Tj = 175 °C
5. Storage Temperature : Tstg = – 65 to +175 °C


1. Circuits for Constant Voltage, Constant Current
2. Waveform Clipper, Surge absorber, etc.

Other data sheets are available within the file: RD100E, RD10E, RD110E, RD11E, RD120E

RD190E Datasheet PDF Download

RD190E pdf