1N4748A-T Diodes Inc, 1N4748A-T Datasheet - Page 2

• Manufacturer Part Number: 1N4748A-T
• Description: DIODE ZENER 22V 1W DO-41
• Manufacturer: Diodes Inc

Specifications of 1N4748A-T

• Voltage - Zener (nom) (vz): 22V
• Voltage - Forward (vf) (max) @ If: 1.2V @ 200mA
• Current - Reverse Leakage @ Vr: 5µA @ 16.7V
• Tolerance: ±5%
• Power - Max: 1W
• Impedance (max) (zzt): 23 Ohm
• Mounting Type: Through Hole
• Package / Case: DO-204AL, DO-41, Axial
• Operating Temperature: -65°C ~ 175°C
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Other names: 1N4748ADITR; 1N4748ATR; 1N4748ATR

Electrical Characteristics
Notes:
DS18007 Rev. 18 - 2
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
Number
Type
3. Measured under thermal equilibrium and dc (I
4. The Zener impedance is derived from the 60 Hz ac voltage which results when an ac current having an rms value equal to 10% of the Zener current
eliminate unstable units.
(I
Voltage (Note 3)
Nominal Zener
ZT
or I
V
Z
ZK
(V)
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
@ I
) is superimposed on I
ZT
Current
(mA)
Test
15.5
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
I
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
14
ZT
ZT
or I
@T
ZK
. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to
A
Z
= 25°C unless otherwise specified
ZT
110
125
150
175
(Ω)
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
ZT
Maximum Zener Impedance
10
10
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
@ I
) test conditions.
ZT
Z
www.diodes.com
(Note 4)
ZK
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
(Ω)
@ I
2 of 3
ZK
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
I
ZK
Maximum Reverse
Leakage Current
(µA)
100
100
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
50
10
10
10
10
10
10
10
10
10
10
I
R
@ V
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
R
Max Surge
Current
8.3ms
(mA)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
I
95
90
80
70
65
60
ZS
1N4728A - 1N4761A
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
© Diodes Incorporated
0.035 to 0.075
0.045 to 0.085
-0.03 to +0.04
-0.01 to +0.04
Temperature
-0.08 to -0.05
-0.08 to -0.05
-0.07 to -0.02
-0.07 to -0.01
0.045 to 0.08
0.05 to 0.085
0.055 to 0.09
0.055 to 0.09
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.03 to 0.07
0.04 to 0.08
0.06 to 0.09
0.06 to 0.09
Coefficient
0 to +0.045
@ I
%/°C
ZT