SILICON ZENER DIODES
Z
D
* Complete Voltage Range 3.3 to 200 Volts
* High peak reverse power dissipation
* High reliability
* Low leakage current
* Case : D2A Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.645 gram
Rating at 25
°
C ambient temperature unless otherwise specified
Rating Symbol Value Unit
DC Power Dissipation at T
L
= 75
°
C (Note1) P
D
5.0 Watts
Maximum Forward Voltage at I
F
= 200 mA V
F
1.2 Volts
Maximum Thermal Resistance Junction to Ambient Air (Note2) R
θ
JA 45 K / W
Junction Temperature Range T
J
- 55 to + 175
°
C
Storage Temperature Range Ts - 55 to + 175
°
C
L
= Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
0 25 50 75 100 125 150 175
T
L
, LEAD TEMPERATURE (
°
C)
UPDATE : SEPTEMBER 9, 2000
1.0
2.0
3.0
4.0
5.0
L = 3/8" (9.5mm)
P
D
(WATTS)
Fig. 1 POWER TEMPERATURE DERATING CURVE
D2A
0.040 (1.02)
0.0385 (0.98)
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )