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DDZ2V4ASF_15 Datasheet, PDF (2/6 Pages) Diodes Incorporated – 0.5W SURFACE MOUNT PRECISION ZENER DIODE
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Maximum Ratings @TA = 25°C unless otherwise specified
Forward Voltage
Characteristic
@ IF = 10mA
Symbol
VF
DDZ2V4ASF – DDZ39DSF
Value
Unit
0.9
V
Thermal Characteristics
Characteristic
Power Dissipation (Note 5)
Thermal Resistance, Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ, TSTG
Value
500
250
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Type Number
DDZ2V4ASF
DDZ2V4BSF
DDZ2V7ASF
DDZ2V7BSF
DDZ3V0ASF
DDZ3V0BSF
DDZ3V3ASF
DDZ3V3BSF
DDZ3V6ASF
DDZ3V6BSF
DDZ3V9ASF
DDZ3V9BSF
DDZ4V3ASF
DDZ4V3BSF
DDZ4V3CSF
DDZ4V7ASF
DDZ4V7BSF
DDZ4V7CSF
DDZ5V1ASF
DDZ5V1BSF
DDZ5V1CSF
DDZ5V6ASF
DDZ5V6BSF
DDZ5V6CSF
DDZ6V2ASF
DDZ6V2BSF
DDZ6V2CSF
DDZ6V8ASF
DDZ6V8BSF
DDZ6V8CSF
DDZ7V5ASF
DDZ7V5BSF
DDZ7V5CSF
DDZ8V2ASF
DDZ8V2BSF
DDZ8V2CSF
Marking Code
4C
KD
4E
KE
4F
KF
4G
KG
4H
KH
4J
KJ
4K
KK
YK
4L
KL
YL
4M
KM
YM
4N
KN
YN
4O
KO
YO
4P
KP
YP
4Q
KQ
YQ
4R
KR
YR
Zener Voltage Range
(Notes 6 & 7)
VZ @ IZT
IZT
Min (V)
Max (V)
mA
2.33
2.52
20
2.43
2.63
20
2.54
2.75
20
2.69
2.91
20
2.85
3.07
20
3.01
3.22
20
3.16
3.38
20
3.32
3.53
20
3.45
3.69
20
3.60
3.84
20
3.74
4.01
20
3.89
4.16
20
4.04
4.29
20
4.17
4.43
20
4.30
4.57
20
4.44
4.68
20
4.55
4.80
20
4.68
4.93
20
4.81
5.07
20
4.94
5.20
20
5.09
5.37
20
5.28
5.55
20
5.45
5.73
20
5.61
5.91
20
5.78
6.09
20
5.96
6.27
20
6.12
6.44
20
6.29
6.63
20
6.49
6.83
20
6.66
7.01
20
6.85
7.22
20
7.07
7.45
20
7.29
7.67
20
7.53
7.92
20
7.78
8.19
20
8.03
8.45
20
Notes:
5. Device mounted on FR-4 PCB with 10mm x 10mm pad, board size 35mm * 25mm.
6. The Zener voltage is measured 40ms after power is supplied.
7. Short duration pulse test used to minimize self-heating effect.
Maximum Zener Impedance
f = 1kHz
ZZT @ IZT
Ω
100
100
110
110
120
120
130
130
130
130
130
130
130
130
130
130
130
130
130
130
130
80
80
80
50
50
50
30
30
30
30
30
30
30
30
30
Maximum Reverse
Current (Note 8)
IR
@ VR
μA
V
120
1
120
1
120
1
120
1
50
1
50
1
20
1
20
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
7.5
2
7.5
2
7.5
2
7.5
2
7.5
2
7.5
2
7.5
3
7.5
3
7.5
3
7.5
4
7.5
4
7.5
4
7.5
4
7.5
4
7.5
4
7.5
7.15
7.5
7.39
7.5
7.63
DDZ2V4ASF – DDZ39DSF
Document number: DS31987 Rev. 17 - 2
2 of 6
www.diodes.com
March 2012
© Diodes Incorporated
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