https://www.phoenixcontact.com/pi/products/2782106
Surge protection device - D-UFB-V24/8-BS-B - 2782106
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Attachment plug with surge voltage fine protection for V.24 interface with handshake. Connection: D-SUB-25
socket/plug, for installation in lines
The figure shows version D-UFB-
V24/SB-S
Key Commercial Data
Packing unit
GTIN
GTIN
4017918069346
1 pc
Technical data
Dimensions
Height
Width
Length
54.5 mm
24.5 mm
84.6 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-40 °C ... 60 °C
IP20
General
Housing material
Color
Standards for cearances and creepage distances
Mounting type
Type
Direction of action
Aluminum
black
VDE 0110-1
IEC 60664-1
Connection-specific intermediate plugging
Attachment plug
Line-Line & Line-Signal Ground/Shield & Signal Ground/Shield-Earth
Ground
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https://www.phoenixcontact.com/pi/products/2782106
Surge protection device - D-UFB-V24/8-BS-B - 2782106
Technical data
Protective circuit
IEC test classification
VDE requirement class
Maximum continuous voltage U
C
(line-signalground)
Nominal current I
N
Operating effective current I
C
at U
C
Residual current I
PE
Nominal discharge current I
n
(8/20) µs (line-line)
Nominal discharge current I
n
(8/20) µs (line-earth)
Nominal discharge current I
n
(8/20) µs (signalground-earth)
Total surge current (8/20) µs
Max. discharge current I
max
(8/20) µs maximum (line-earth)
Nominal pulse current Ian (10/1000) µs (line-earth)
Output voltage limitation at 1 kV/µs (line-earth) spike
Output voltage limitation at 1 kV/µs (line-signalground) spike
Output voltage limitation at 1 kV/µs (line-shield) spike
Output voltage limitation at 1 kV/µs (line-earth) static
Output voltage limitation at 1 kV/µs (line-signalground) static
Residual voltage at I
n
(line-signalground)
Residual voltage with Ian (10/1000) µs (line-signalground)
Voltage protection level U
p
(line-earth)
Voltage protection level U
p
(line-signalground)
Response time t
A
(line-line)
Response time tA (line-signalground)
Response time t
A
(line-earth)
Input attenuation aE, asym.
Cut-off frequency fg (3 dB), asym. (GND) in 50 Ohm system
Cut-off frequency fg (3 dB), asym. (GND) in 600 Ohm system
Impulse durability (line-line)
Impulse durability (line-earth)
C1
C3
C1
C3
15 V DC
1 A (60 °C)
≤ 5 µA
≤ 1 µA
300 A
300 A
5 kA
5 kA
300 A
59 A
≤ 600 V
≤ 22 V
≤ 22 V
≤ 600 V
≤ 22 V
≤ 28 V
≤ 25 V
≤ 600 V
≤ 28 V
≤ 1 ns
≤ 1 ns
≤ 100 ns
0.1 dB (≤ 700 kHz)
0.1 dB (≤ 50 kHz)
typ. 4 MHz
typ. 300 kHz
C1 - 500 V / 250 A
C1 - 500 V / 250 A
C3 - 25 A
Connection data
Connection method
Connection method IN
Connection method OUT
Connection technology
D-SUB 25
D-SUB-25 socket
D-SUB-25 male connector
V.24
Standards and Regulations
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https://www.phoenixcontact.com/pi/products/2782106
Surge protection device - D-UFB-V24/8-BS-B - 2782106
Technical data
Standards and Regulations
Standards/regulations
IEC 61643-21
Drawings
Dimensional drawing
85
16
1
TxD 2
RxD 3
RTS 4
1
2
3
4
5
6
8
20
7
Circuit diagram
54,5
IN
CTS 5
DSR 6
DCD 8
DTR 20
Gnd 7
OUT
Phoenix Contact 2018 © - all rights reserved
http://www.phoenixcontact.com
PHOENIX CONTACT GmbH & Co. KG
Flachsmarktstr. 8
32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
11/05/2018 Page 3 / 3
PCB Design
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