1N5921B~1N5942B
SILICON ZENER DIODES
VOLTAGE
6.8 to 51 Volt
POWER
1.5 Watt
DO-41
Unit: inch(mm)
FEATURES
• Low profile package
.034(.86)
1.0(25.4)MIN.
• Built-in strain relief
• Low inductance
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
.028(.71)
.205(5.2)
.160(4.1)
• Lead free in compliance with EU RoHS 2011/65/EU directive
MECHANICAL DATA
• Case: JEDEC DO-41,Molded plastic over passivated junction.
• Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
1.0(25.4)MIN.
.107(2.7)
• Polarity: Color band denotes positive end (cathode)
• Standard packing: 52mm tape
• Weight: 0.0118 ounce, 0.336 gram
.080(2.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
DC Power Dissipation on TA=75 O C ,Measure at Zero Lead Length
Derate above 75O C ( NOTE 1)
Operating Junction and StorageTemperature Range
Symbol
Value
Units
PD
1.5
Watts
TJ , TSTG
-55 to +150
O
C
NOTES:
1.Mounted on 5.0mm2 (.013mm thick) land areas.
STAD-FEB.10.2009
1
PAGE . 1
1N5921B~1N5942B
N o m i na l Ze ne r V o l t a g e
Part Number
Maximum
Leakage Current
M a x i m u m Z e n e r Im p e d a n c e
IR
VR
No m. V
V Z @ IZT
M i n. V
M a x. V
Ω
mA
Ω
mA
µA
V
1N5921B
6.8
6.46
7.14
3
55.1
200
1
5
5.2
1N5922B
7.5
7.13
7.88
3
50
400
0.5
5
6
1N5923B
8.2
7.79
8.61
4
45.7
400
0.5
5
6.5
1N5924B
9.1
8.65
9.56
4
41.2
500
0.5
5
7
1N5925B
10
9.5
10.5
5
37.5
500
0.25
5
8
1N5926B
11
10.45
11.55
6
34.1
550
0.25
1
8.4
1N5927B
12
11.4
12.6
7
31.2
550
0.25
1
9.1
1N5928B
13
12.35
13.65
7
28.8
550
0.25
1
9.9
1N5929B
15
14.25
15.75
9
25
600
0.25
1
11.4
1N5930B
16
15.2
16.8
10
23.4
600
0.25
1
12.2
1N5931B
18
17.1
18.9
12
20.8
650
0.25
1
13.7
1N5932B
20
19
21
14
18.7
650
0.25
1
15.2
1N5933B
22
20.9
23.1
18
17
650
0.25
1
16.7
1N5934B
24
22.8
25.2
19
15.6
700
0.25
1
18.2
1N5935B
27
25.65
28.35
23
13.9
700
0.25
1
20.6
1N5936B
30
28.5
31.5
26
12.5
750
0.25
1
22.8
1N5937B
33
31.35
34.65
33
11.4
800
0.25
1
25.1
1N5938B
36
34.2
37.8
38
10.4
850
0.25
1
27.4
1N5939B
39
37.05
40.95
45
9.6
900
0.25
1
29.7
1N5940B
43
40.85
45.15
53
8.7
950
0.25
1
32.7
1N5941B
47
44.65
49.35
67
8
1000
0.25
1
35.8
1N5942B
51
48.45
53.55
70
7.3
1100
0.25
1
38.8
STAD-FEB.10.2009
1
Z ZT @ IZT
Z ZK @ IZK
PAGE . 2
2.5
2
1.5
1
0.5
0
0
20
40
60
80
100 120 140 150 180
vz, TEMPERATURE COEFICENT (mV/ OC)
MAXIMUM POWER DISSIPATION, Watts
1N5921B~1N5942B
10
V @I
Z ZT
8
6
4
2
0
-2
-4
2
200
V @I
Z
ZT
70
50
30
20
10
20
10
12
Fig.2 T emperature coeeficient v.s. zener voltage,Vz(V)
Zz, DYNAMIC IMPEDANCE (OHMS)
vz, TEMPERATURE COEFICENT (mV/ OC)
Fig.1 Steady State Power Derating
10
8
V , ZENER VOLTAGE (VOLTS)
Z
O
LEAD TEMPERATURE, C
100
6
4
50
30
1K
500
T = 25 O C
J
I (rms) =0.1 I (dc)
Z
Z
200
100
50
20
10
5
22V
12V
2
1
0.5
Vz, ZENER VOLTAGE (VOLTS)
6.8V
1
5
2
10
20
50
100 200
500
Iz, ZENER TEST CURRENT (mA)
Fig.4 Z ener impedance v.s. zener current
Fig.3 T emperature coeeficient v.s. zener voltage,Vz(V)
I Z (dc)=1mA
100
70
50
30
20
10mA
10
7
5
3
2
I Z (rms)=0.1I Z (dc)
20mA
5
7
10
20 3 0
40
50 60
70
100
Vz, ZENER VOLTAGE (VOLTS)
Fig.5 Z ener impedance v.s. zener voltage
STAD-FEB.10.2009
1
Ppk, PEAKSURGE POWER (WATTS)
Zz, DYNAMIC IMPEDANCE (OHMS)
1K
200
RECTANGULAR
NONREPETITIVE
WAVEFORM
O
T J =25 C PRIOR
TO INTIAL PULSE
500
300
200
100
50
30
20
10
0.1 0.20.3 0.5
1
2 3
5
10 2030 50
100
PW, PULSE WIDTH (ms)
Fig.6 Maximum Surge Power
PAGE . 3
1N5921B~1N5942B
100
Iz, ZENER CURRENT (mA)
Iz, ZENER CURRENT (mA)
100
50
30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
0
1
2
3
4
5
6
7
8
Vz, ZENER VOLTAGE (VOLTS)
Fig.7 Vz = 6.8 thru 10 Volts
9
10
50
30
20
10
5
3
2
1
0.5
0.3
0.2
0 .1
0
10
20
30
40
Vz, ZENER VOLTAGE (VOLTS)
Fig.8 Vz = 12 thru 82 Volts
NOTE 3. ZENER VOLTAGE (Vz) MEASUREMENT
Nominal zener voltage is measured with the device function in thermal equilibrium with ambient
O
temperature at 25 C
NOTE 4. ZENER IMPEDANCE (Zz) DERIVATION
Zzt and Zzk are measured by dividing the ac voltage drop across the device by the accurrent applied.
The specified limits are for Iz(ac) = 0.1 Iz, (dc) with the ac freqency = 60Hz
STAD-FEB.10.2009
1
PAGE . 4
1N5921B~1N5942B
Part No_packing code_Version
1N5921B_AY_00001
1N5921B_AY_10001
1N5921B_B0_00001
1N5921B_B0_10001
1N5921B_R2_00001
1N5921B_R2_10001
For example :
RB500V-40_R2_00001
Serial number
Part No.
Version code means HF
Packing size code means 13"
Packing type means T/R
Packing Code XX
Packing type
Tape and Ammunition Box
(T/B)
Tape and Reel
(T/R)
Bulk Packing
(B/P)
Tube Packing
(T/P)
Tape and Reel (Right Oriented)
(TRR)
Tape and Reel (Left Oriented)
(TRL)
FORMING
STAD-FEB.10.2009
1
Version Code XXXXX
1st Code
Packing size code
A
N/A
0
HF
0
serial number
R
7"
1
RoHS
1
serial number
B
13"
2
T
26mm
X
S
52mm
Y
L
F
PANASERT T/B CATHODE UP
(PBCU)
PANASERT T/B CATHODE DOWN
(PBCD)
2nd Code HF or RoHS 1st Code 2nd~5th Code
U
D
PAGE . 5
1N5921B~1N5942B
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from Panjit International Inc..
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any product including damages incidentally and consequentially occurred.
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of fitness for particular purpose, non-infringement and merchantability.
• Applications shown on the herein document are examples of standard use and operation.
Customers are responsible in comprehending the suitable use in particular applications.
Panjit International Inc. makes no representation or warranty that such applications will be
suitable for the specified use without further testing or modification.
•
The products shown herein are not designed and authorized for equipments requiring high
level of reliability or relating to human life and for any applications concerning life-saving
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when complaining.
STAD-FEB.10.2009
1
PAGE . 6
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