1 W Surface Mount Zener Diode
ZS300-BL
Zener diodes
Formosa MS
SMA
0.185(4.8)
0.173(4.4)
0.012(0.3) Typ.
Features
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
* For surface mounted applications.
* Exceeds environmental standards of MIL-S-19500/228
* Low zener impedance
* Low profile package
0.110(2.8)
0.094(2.4)
0.165(4.2)
0.150(3.8)
0.067(1.7)
0.060(1.5)
0.040(1.0) Typ.
0.040 (1.0) Typ.
Mechanical data
Case : Molded plastic, JEDEC DO-214AC
Terminals : Solder plated, solderable per MIL-STD-750
Polarity : Indicated by cathode band
Mounting Position : Any
Weight : 0.0015 ounce, 0.05 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified
Storage and operating temperature range -55 to + 150
o
C
Zener
Breakdown
Voltage
V
Z
V
ZS300B
300
I
ZT
mA
5
Maximum Reverse
Current
@ Measurement
Voltage
Z
ZK
ohms
9000
V
R
V
285
I
R
uA
0.5
Maximum Forward
Voltage
@ I
F
= 0.2A
V
F
V
1.2
Dynamic Impedances
Z
ZT
ohms
5000
I
ZK
mA
0.25
Type
1
2
