1N4678 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Silicon Epitaxial Planar Z-Diodes

1N4678 - 1N4717
V_Z : 1.8 - 43 V
P_D : 500 mW
FEATURES :
* Zener voltage specified at 50 µA
* Maximum delta V_Z given from 10 µA to 100 µA
* Very high stability
* Low noise
* Pb / RoHS Free
MECHANICAL DATA :
Case: DO-35 Glass Case
Weight: approx. 0.13g
Certificate TH97/10561QM
Certificate TW00/17276EM
ZENER DIODES
DO - 35 Glass
(DO-204AH)
0.079(2.0 )max.
Cathode
Mark
0.020 (0.52)max.
1.00 (25.4)
min.
0.150 (3.8)
max.
1.00 (25.4)
min.
Dimensions in inches and ( millimeters )
Maximum Ratings and Thermal Characteristics
Rating at 25 °C ambient temperature unless otherwise specifie
Parameter
Symbol
Value
Power Dissipation
at T_L ≤ 50 °C (Note1)
P_D
500
Maximum Forward Voltage at I_F = 200 mA
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Lead
V_F
1.1
R_Ó¨JA
310
R_Ó¨JL
250
Operating and Storage Temperature Range
T_J, T_STG
-65 to + 175
Note :
(1) At 3/8" (10 mm) lead length from body, when mounted on FR4 PC board as described for thermal resistance.
Unit
mW
V
°C/W
°C/W
°C
Page 1 of 3
Rev. 01 : August 16, 2006