BZX84-Q series
Voltage regulator diodes
Rev. 1 — 29 September 2021
Product data sheet
1. General description
Low-power voltage regulator diodes in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD)
plastic package.
The diodes are available in the normalized E24 ±1 % (BZX84-A), ±2 % (BZX84-B) and
approximately ±5 % (BZX84-C) tolerance range. The series includes 37 breakdown voltages with
nominal working voltages from 2.4 V to 75 V.
2. Features and benefits
•
•
•
•
•
Total power dissipation: ≤250 mW
Three tolerance series: ±1 %, ±2 % and approximately ±5 %
Working voltage range: nominal 2.4 V to 75 V (E24 range)
Non-repetitive peak reverse power dissipation: ≤ 40 W
Qualified according to AEC-Q101 and recommended for use in automotive applications
3. Applications
•
General regulation functions
4. Quick reference data
Table 1. Quick reference data
Symbol Parameter
Conditions
VF
forward voltage
IF = 10 mA
Ptot
total power dissipation
Tamb ≤ 25 °C
[1]
[2]
Min
Typ
Max
Unit
[1] -
-
0.9
V
[2] -
-
250
mW
Pulse test: tp ≤ 100 μs; δ ≤ 0.02.
Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard
footprint.
BZX84-Q series
Nexperia
Voltage regulator diodes
5. Pinning information
Table 2. Pinning
Pin
Symbol
Description
1
A
anode
2
n.c.
not connected
3
K
cathode
Simplified outline
Graphic symbol
3
K
n.c.
A
aaa-006592
1
2
6. Ordering information
Table 3. Ordering information
Type number
BZX84-Q series[1]
[1]
Package
Name
Description
Version
TO-236AB
plastic surface-mounted package; 3 leads
SOT23
The series consists of 37 breakdown voltages with nominal working voltages from 2.4 V to 75 V and ±1 %, ±2 % and ±5 % tolerances.
BZX84-Q_SER
Product data sheet
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Rev. 1 — 29 September 2021
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Nexperia B.V. 2021. All rights reserved
2 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
7. Marking
Table 4. Marking codes
Type number
Marking
code
Type number
Marking
code
Type number
Marking
code
BZX84-A2V4-Q
%50
BZX84-B2V4-Q
%Z0
BZX84-C2V4-Q
%T3
BZX84-A2V7-Q
%51
BZX84-B2V7-Q
%Z1
BZX84-C2V7-Q
%T4
BZX84-A3V0-Q
%52
BZX84-B3V0-Q
%S1
BZX84-C3V0-Q
%T9
BZX84-A3V3-Q
%53
BZX84-B3V3-Q
%S2
BZX84-C3V3-Q
%B1
BZX84-A3V6-Q
%C1
BZX84-B3V6-Q
%S3
BZX84-C3V6-Q
%B2
BZX84-A3V9-Q
%55
BZX84-B3V9-Q
%S4
BZX84-C3V9-Q
%B3
BZX84-A4V3-Q
%56
BZX84-B4V3-Q
%S7
BZX84-C4V3-Q
%B6
BZX84-A4V7-Q
%57
BZX84-B4V7-Q
%S8
BZX84-C4V7-Q
Z1%
BZX84-A5V1-Q
%58
BZX84-B5V1-Q
%R1
BZX84-C5V1-Q
Z2%
BZX84-A5V6-Q
%59
BZX84-B5V6-Q
%R2
BZX84-C5V6-Q
Z3%
BZX84-A6V2-Q
%60
BZX84-B6V2-Q
%R5
BZX84-C6V2-Q
Z4%
BZX84-A6V8-Q
%61
BZX84-B6V8-Q
%R6
BZX84-C6V8-Q
Z5%
BZX84-A7V5-Q
%62
BZX84-B7V5-Q
%R8
BZX84-C7V5-Q
Z6%
BZX84-A8V2-Q
%63
BZX84-B8V2-Q
%R9
BZX84-C8V2-Q
Z7%
BZX84-A9V1-Q
%64
BZX84-B9V1-Q
%T1
BZX84-C9V1-Q
Z8%
BZX84-A10-Q
%65
BZX84-B10-Q
%66
BZX84-C10-Q
Z9%
BZX84-A11-Q
%04
BZX84-B11-Q
%Z6
BZX84-C11-Q
Y1%
BZX84-A12-Q
%67
BZX84-B12-Q
%Z7
BZX84-C12-Q
Y2%
BZX84-A13-Q
%C0
BZX84-B13-Q
%Z8
BZX84-C13-Q
Y3%
BZX84-A15-Q
%69
BZX84-B15-Q
%Z9
BZX84-C15-Q
Y4%
BZX84-A16-Q
KE%
BZX84-B16-Q
%70
BZX84-C16-Q
Y5%
BZX84-A18-Q
KF%
BZX84-B18-Q
%71
BZX84-C18-Q
Y6%
BZX84-A20-Q
%C2
BZX84-B20-Q
%72
BZX84-C20-Q
Y7%
BZX84-A22-Q
KG%
BZX84-B22-Q
%73
BZX84-C22-Q
Y8%
BZX84-A24-Q
KH%
BZX84-B24-Q
%74
BZX84-C24-Q
Y9%
BZX84-A27-Q
%75
BZX84-B27-Q
%Z5
BZX84-C27-Q
%T2
BZX84-A30-Q
KJ%
BZX84-B30-Q
%Z4
BZX84-C30-Q
%T5
BZX84-A33-Q
KK%
BZX84-B33-Q
%Y1
BZX84-C33-Q
%T6
BZX84-A36-Q
%C3
BZX84-B36-Q
%Y2
BZX84-C36-Q
%T7
BZX84-A39-Q
%C4
BZX84-B39-Q
%S0
BZX84-C39-Q
%T8
BZX84-A43-Q
%C5
BZX84-B43-Q
%S5
BZX84-C43-Q
%B4
BZX84-A51-Q
%C6
BZX84-B47-Q
%S6
BZX84-C47-Q
%B5
BZX84-A75-Q
%86
BZX84-B51-Q
%S9
BZX84-C51-Q
%B7
-
-
BZX84-B56-Q
%R0
BZX84-C56-Q
%B8
-
-
BZX84-B62-Q
%R3
BZX84-C62-Q
%B9
-
-
BZX84-B68-Q
%R4
BZX84-C68-Q
%B0
-
-
BZX84-B75-Q
%R7
BZX84-C75-Q
%A1
BZX84-Q_SER
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 29 September 2021
©
Nexperia B.V. 2021. All rights reserved
3 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
8. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
IF
forward current
PZSM
non-repetitive peak
reverse power dissipation
Ptot
total power dissipation
Tj
Min
Max
Unit
-
200
mA
[1] -
40
W
[2] -
250
mW
junction temperature
-
150
°C
Tamb
ambient temperature
-55
+150
°C
Tstg
storage temperature
-65
+150
°C
[1]
[2]
Conditions
Tamb ≤ 25 °C
tp = 100 μs; square wave; Tj = 25 °C prior to surge.
Device mounted on an FR4 PCB, single-sided 70 µm copper, tin-plated and standard footprint.
9. Thermal characteristics
Table 6. Thermal characteristics
Symbol
Parameter
Conditions
Rth(j-a)
thermal resistance from
junction to ambient
in free air
Rth(j-sp)
thermal resistance from
junction to solder point
[1]
[2]
Min
Typ
Max
Unit
[1] -
-
500
K/W
[2] -
-
330
K/W
Typ
Max
Unit
-
0.9
V
Device mounted on an FR4 PCB, single-sided 70 µm copper, tin-plated and standard footprint.
Soldering point of cathode tab.
10. Characteristics
Table 7. Characteristics
Tj = 25 °C unless otherwise specified.
Symbol
Parameter
Conditions
VF
forward voltage
IF = 10 mA
[1]
Min
[1] -
Pulse test: tp ≤ 100 μs; δ ≤ 0.02
BZX84-Q_SER
Product data sheet
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Rev. 1 — 29 September 2021
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Nexperia B.V. 2021. All rights reserved
4 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
Table 8. Characteristics per type; BZX84-A2V4-Q to BZX84-C24-Q
Tj = 25 °C unless otherwise specified.
BZX84
-xxx
2V4-Q
2V7-Q
3V0-Q
3V3-Q
3V6-Q
3V9-Q
4V3-Q
4V7-Q
5V1-Q
5V6-Q
6V2-Q
6V8-Q
7V5-Q
Working
voltage
VZ (V)
IZ = 5 mA
Maximum differential
resistance
rdif (Ω)
Reverse
current
IR (μA)
Temperature
coefficient
SZ (mV/K)
IZ = 5 mA
Diode
Non-repetitive
capacitance peak reverse
Cd (pF) [1]
current
IZSM (A) [2]
Min
Max
IZ = 1 mA
IZ = 5 mA
Max
VR (V)
Min
Max
Max
Max
A
2.37
2.43
600
100
50
1
-3.5
0.0
450
6.0
B
2.35
2.45
C
2.20
2.60
A
2.67
2.73
600
100
20
1
-3.5
0.0
450
6.0
B
2.65
2.75
C
2.50
2.90
A
2.97
3.03
600
95
10
1
-3.5
0.0
450
6.0
B
2.94
3.06
C
2.80
3.20
A
3.26
3.34
600
95
5
1
-3.5
0.0
450
6.0
B
3.23
3.37
C
3.10
3.50
A
3.56
3.64
600
90
5
1
-3.5
0.0
450
6.0
B
3.53
3.67
C
3.40
3.80
A
3.86
3.94
600
90
3
1
-3.5
0.0
450
6.0
B
3.82
3.98
C
3.70
4.10
A
4.25
4.35
600
90
3
1
-3.5
0.0
450
6.0
B
4.21
4.39
C
4.00
4.60
A
4.65
4.75
500
80
3
2
-3.5
0.2
300
6.0
B
4.61
4.79
C
4.40
5.00
A
5.04
5.16
480
60
2
2
-2.7
1.2
300
6.0
B
5.00
5.20
C
4.80
5.40
A
5.54
5.66
400
40
1
2
-2.0
2.5
300
6.0
B
5.49
5.71
C
5.20
6.00
A
6.13
6.27
150
10
3
4
0.4
3.7
200
6.0
B
6.08
6.32
C
5.80
6.60
A
6.73
6.87
80
15
2
4
1.2
4.5
200
6.0
B
6.66
6.94
C
6.40
7.20
A
7.42
7.58
80
15
1
5
2.5
5.3
150
4.0
B
7.35
7.65
C
7.00
7.90
Sel
BZX84-Q_SER
Product data sheet
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Rev. 1 — 29 September 2021
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Nexperia B.V. 2021. All rights reserved
5 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
BZX84
-xxx
8V2-Q
9V1-Q
10-Q
11-Q
12-Q
13-Q
15-Q
16-Q
18-Q
20-Q
22-Q
24-Q
[1]
[2]
Working
voltage
VZ (V)
IZ = 5 mA
Maximum differential
resistance
rdif (Ω)
Reverse
current
IR (μA)
Temperature
coefficient
SZ (mV/K)
IZ = 5 mA
Diode
Non-repetitive
capacitance peak reverse
Cd (pF) [1]
current
IZSM (A) [2]
Min
Max
IZ = 1 mA
IZ = 5 mA
Max
VR (V)
Min
Max
Max
Max
A
8.11
8.29
80
15
0.7
5
3.2
6.2
150
4.0
B
8.04
8.36
C
7.70
8.70
A
9.00
9.20
100
15
0.5
6
3.8
7.0
150
3.0
B
8.92
9.28
C
8.50
9.60
A
9.90
10.10 150
20
0.2
7
4.5
8.0
90
3.0
B
9.80
10.20
C
9.40
10.60
A
10.89 11.11 150
20
0.1
8
5.4
9.0
85
2.5
B
10.80 11.20
C
10.40 11.60
A
11.88 12.12 150
25
0.1
8
6.0
10.0
85
2.5
B
11.80 12.20
C
11.40 12.70
A
12.87 13.13 170
30
0.1
8
7.0
11.0
80
2.5
B
12.70 13.30
C
12.40 14.10
A
14.85 15.15 200
30
0.05
10.5
9.2
13.0
75
2.0
B
14.70 15.30
C
13.80 15.60
A
15.84 16.16 200
40
0.05
11.2
10.4
14.0
75
1.5
B
15.70 16.30
C
15.30 17.10
A
17.82 18.18 225
45
0.05
12.6
12.4
16.0
70
1.5
B
17.60 18.40
C
16.80 19.10
A
19.80 20.20 225
55
0.05
14
14.4
18.0
60
1.5
B
19.60 20.40
C
18.80 21.20
A
21.78 22.22 250
55
0.05
15.4
16.4
20.0
60
1.25
B
21.60 22.40
C
20.80 23.30
A
23.76 24.24 250
70
0.05
16.8
18.4
22.0
55
1.25
B
23.50 24.50
C
22.80 25.60
Sel
f = 1 MHz; VR = 0 V
tp = 100 μs; square wave; Tj = 25 °C
BZX84-Q_SER
Product data sheet
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Rev. 1 — 29 September 2021
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Nexperia B.V. 2021. All rights reserved
6 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
Table 9. Characteristics per type; BZX84-A27-Q to BZX84-C75-Q
Tj = 25 °C unless otherwise specified.
BZX84
-xxx
27-Q
30-Q
33-Q
36-Q
39-Q
43-Q
47-Q
51-Q
56-Q
62-Q
68-Q
75-Q
[1]
[2]
Sel
Working
voltage
VZ (V)
IZ = 2 mA
Maximum differential
resistance
rdif (Ω)
Reverse
current
IR (μA)
Temperature
coefficient
SZ (mV/K)
IZ = 2 mA
Diode
Non-repetitive
capacitance peak reverse
Cd (pF) [1]
current
IZSM (A) [2]
Min
IZ = 0.5
mA
IZ = 2 mA
Max
VR (V)
Min
Max
Max
Max
80
0.05
18.9
21.4
25.3
50
1.0
80
0.05
21
24.4
29.4
50
1.0
80
0.05
23.1
27.4
33.4
45
0.9
90
0.05
25.2
30.4
37.4
45
0.8
130
0.05
27.3
33.4
41.2
45
0.7
150
0.05
30.1
37.6
46.6
40
0.6
170
0.05
32.9
42.0
51.8
40
0.5
180
0.05
35.7
46.6
57.2
40
0.4
200
0.05
39.2
52.2
63.8
40
0.3
215
0.05
43.4
58.8
71.6
35
0.3
240
0.05
47.6
65.6
79.8
35
0.25
255
0.05
52.5
73.4
88.6
35
0.20
Max
A
26.73 27.27 300
B
26.50 27.50
C
25.10 28.90
A
29.70 30.30 300
B
29.40 30.60
C
28.00 32.00
A
32.67 33.33 325
B
32.30 33.70
C
31.00 35.00
A
35.64 36.36 350
B
35.30 36.70
C
34.00 38.00
A
38.61 39.39 350
B
38.20 39.80
C
37.00 41.00
A
42.57 43.43 375
B
42.10 43.90
C
40.00 46.00
B
46.10 47.90 375
C
44.00 50.00
A
50.49 51.51 400
B
50.00 52.00
C
48.00 54.00
B
54.90 57.10 425
C
52.00 60.00
B
60.80 63.20 450
C
58.00 66.00
B
66.60 69.40 475
C
64.00 72.00
A
74.25 75.75 500
B
73.50 76.50
C
70.00 79.00
f = 1 MHz; VR = 0 V
tp = 100 μs; square wave; Tj = 25 °C
BZX84-Q_SER
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 29 September 2021
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Nexperia B.V. 2021. All rights reserved
7 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
mbg801
103
PZSM
(W)
aaa-028550
103
IF
(mA)
102
102
10
1
(1)
10-1
10
(2)
10-2
1
10- 1
1
tp (ms)
10
(1) Tj = 25 °C (before surge)
(2) Tj = 150 °C (before surge)
Fig. 1.
aaa-028551
Fig. 2.
1
1
10-1
10-1
10-2
10-2
0.8
VF (V)
1.0
10-3
0.4
Tj = 25 °C
Fig. 3.
Product data sheet
1.0
aaa-028552
0.6
0.8
VF (V)
1.0
Tj = 25 °C
Forward current as a function of forward
voltage; typical values (BZX84-A/B/C6V8-Q)
BZX84-Q_SER
VF (V)
103
IF
(mA)
102
10
0.6
0.8
Forward current as a function of forward
voltage; typical values (BZX84-A/B/C2V4-Q)
10
10-3
0.4
0.6
Tj = 25 °C
Non-repetitive peak reverse power dissipation
as a function of pulse duration; maximum
values
103
IF
(mA)
102
10-3
0.4
Fig. 4.
Forward current as a function of forward
voltage; typical values (BZX84-A/B/C7V5-Q)
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8 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
aaa-028553
103
IF
(mA)
102
mld444
0.5
SZ
(mV/K)
4V7
0
4V3
10
- 0.5
2V4
1
2V7
3V9
-1
10-1
10-3
0.4
0.6
0.8
VF (V)
3V3
3V0
-2
10- 1
1.0
Tj = 25 °C
Fig. 5.
3V6
- 1.5
10-2
1
10
IZ (mA)
102
Tj = 25 °C to 150 °C
Forward current as a function of forward
voltage; typical values (BZX84-A/B/C75-Q)
Fig. 6.
mld445
12
IR
(A)
15
SZ
(mV/K)
13
12
11
10
9V1
8V2
7V5
6V8
6V2
5V6
5V1
8
4
0
Temperature coefficient as a function
of working current; typical values
(BZX84-A/B/C2V4-Q to BZX84-A/B/C4V7-Q)
aaa-006665
10-1
2V4
10-2
2V7
10-3
3V0
3V3
3V6 3V9
4V3 4V7 5V1
10-4
10-5
5V6
10-6
6V2
6V8
10-7
10-8
-4
10- 1
1
10
IZ (mA)
102
10-9
Tj = 25 °C to 150 °C
Fig. 7.
Product data sheet
2
4
6
VR (V)
8
Tj = 25 °C
Temperature coefficient as a function
of working current; typical values
(BZX84-A/B/C5V1-Q to BZX84-A/B/C15-Q)
BZX84-Q_SER
0
Fig. 8.
Reverse current as a function of reverse
voltage; typical values (BZX84-A/B/C2V4-Q to
BZX84-A/B/C6V8-Q)
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Nexperia B.V. 2021. All rights reserved
9 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
IR
(A)
aaa-006666
10-1
IR
(A)
7V5
10-2
10 12
15
18
22
8V2
10-3
aaa-006667
10-1
30 36
10-2
27
33
43
39
51
47
62
75
56
68
10-3
9V1
11 13
16
20
24
10-4
10-4
10-5
10-5
10-6
10-6
10-7
10-7
10-8
10-8
0
5
10
15
20
VR (V)
10-9
25
Tj = 25 °C
Fig. 9.
20
40
60
VR (V)
80
Tj = 25 °C
Reverse current as a function of reverse
voltage; typical values (BZX84-A/B/C7V5-Q
to BZX84-A/B/C24-Q)
Fig. 10. Reverse current as a function of reverse
voltage; typical values (BZX84-A/B/C27-Q
to BZX84-A/B/C75-Q)
11. Test information
Quality information
This product has been qualified in accordance with the Automotive Electronics Council (AEC)
standard Q101 - Stress test qualification for discrete semiconductors, and is suitable for use in
automotive applications.
12. Package outline
3.0
2.8
1.1
0.9
3
0.45
0.15
2.5 1.4
2.1 1.2
1
2
1.9
Dimensions in mm
0.48
0.38
0.15
0.09
18-03-12
Fig. 11. Package outline SOT23 (TO-236AB)
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Product data sheet
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BZX84-Q series
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Voltage regulator diodes
13. Soldering
3.3
2.9
1.9
solder lands
3
solder resist
2
1.7
solder paste
occupied area
0.6
(3×)
0.7
(3×)
Dimensions in mm
0.5
(3×)
0.6
(3×)
1
sot23_fr
Fig. 12. Reflow soldering footprint for SOT23 (TO-236AB)
2.2
1.2
(2×)
1.4
(2×)
solder lands
4.6
solder resist
2.6
occupied area
Dimensions in mm
1.4
preferred transport direction during soldering
2.8
4.5
sot23_fw
Fig. 13. Wave soldering footprint for SOT23 (TO-236AB)
BZX84-Q_SER
Product data sheet
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BZX84-Q series
Nexperia
Voltage regulator diodes
14. Revision history
Table 10. Revision history
Document ID
Release date
Data sheet status
Change notice
Supersedes
BZX84-Q_SER v.1
Product data sheet
-
-
BZX84-Q_SER
Product data sheet
20210929
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12 / 14
BZX84-Q series
Nexperia
Voltage regulator diodes
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15. Legal information
Data sheet status
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[1][2]
Product
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Product [short]
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Production
This document contains the product
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[1]
[2]
[3]
Please consult the most recently issued document before initiating or
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BZX84-Q_SER
Product data sheet
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BZX84-Q series
Nexperia
Voltage regulator diodes
Contents
1. General description...................................................... 1
2. Features and benefits.................................................. 1
3. Applications.................................................................. 1
4. Quick reference data....................................................1
5. Pinning information......................................................2
6. Ordering information....................................................2
7. Marking.......................................................................... 3
8. Limiting values............................................................. 4
9. Thermal characteristics............................................... 4
10. Characteristics............................................................ 4
11. Test information........................................................ 10
12. Package outline........................................................ 10
13. Soldering................................................................... 11
14. Revision history........................................................12
15. Legal information......................................................13
©
Nexperia B.V. 2021. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 29 September 2021
BZX84-Q_SER
Product data sheet
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Rev. 1 — 29 September 2021
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