UNISONIC TECHNOLOGIES CO., LTD
1N4745A
DIODE
www.unisonic.com.tw 1 of 3
Copyright © 2015 Unisonic Technologies Co., Ltd QW-R601-211.B
ZENER DIODE
DESCRIPTION
The UTC 1N4745A is a zener diode, it uses UTC’s advanced
technology to provide customers with low inductance and low reverse
leakage, etc.
The UTC 1N4745A is suitable for use in stabilizing and clipping
with high power rating.
FEATURES
* Low reverse leakage
* Low inductance
* Glass passivated chip
SYMBOL
DO-41
ORDERING INFORMATION
Ordering Number
Pin Assignment
Lead Free Halogen Free
Package
1 2
Packing
1N4745AL-Z41-R 1N4745AG-Z41-R DO-41 K A Tape Reel
Note: Pin Assignment: A: Anode K: Cathode
(1) B: Tape Box, R: Tape Reel
(2) Z41: DO-41
(3) L: Lead Free, G: Halogen Free and Lead Free
1N4745AL-Z41-B
(1)Packing Type
(2)Package Type
(3)Green Package
MARKING
1N4745A
Date Code
L: Lead Free
G: Halogen Free
Cathode Band for uni-directional Only
1N4745A DIODE
UNISONIC TECHNOLOGIES CO., LTD 2 of 3
www.unisonic.com.tw QW-R601-211.B
ABSOLUTE MAXIMUM RATINGS (T
A
=25°C unless otherwise noted)
PARAMETER SYMBOL RATINGS UNIT
Forward Voltage at I
F
=200mA V
F
1.2 V
DC Power Dissipation at T
L
=50°C (Note 2) P
D
1 W
Junction Temperature T
J
-55~+175 °C
Storage Temperature T
STG
-55~+175 °C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. T
L
=Lead temperature at 3/8 " (9.5mm) from body.
3. Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
THERMAL DATA
PARAMETER SYMBOL RATINGS UNIT
Junction to Ambient Air (Note 3) θ
JA
170 °C/W
ELECTRICAL CHARACTERISTICS(Cont.)
Nominal Zener
Voltage
Maximum Zener Impedance
Maximum Reverse
Leakage Current
Maximum
DC Zener
Current
Maximum
Surge
Current
V
Z
@ I
ZT
I
ZT
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
I
ZK
I
R
@ V
R
I
ZM
I
RM
PART NUMBER
(V) (mA) (Ω) (Ω) (mA) (μA) (V) (mA) (mApK)
1N4745A 16 15.5 16 700 0.25 0.1 12.2 57 285