Siemens AG
3
PCB relay for DC voltage, polarized,
monostable or bistable
Features
q
Universally applicable in the most varied circuit functions
in the field of telecommunications and small signal tech-
nology
q
Versatile design as it can be delivered with different
power consumptions (P
N
= 150 to 250 mW) as well as
with reversed coil polarity
q
High reliability due to slide-free operation of the middle
spring
q
High-voltage resistance according to FCC Part 68
Typical applications
q
Standard telecommunication relay for public and private
networks and terminal equipment
q
Interface relay for microcomputer systems
q
Storage element for input and output equipment
(bistable version)
q
Measurement and control
q
Automobile technology
q
Entertainment electronics
q
Signalling systems
q
Medical equipment
Versions
Relay types: monostable with 1 winding or
bistable with 2 windings or
bistable with 1 winding
With 2 changeover contacts
With double contacts
For printed circuit assembling
Immersion cleanable
Approvals
UL
File E 48393
CSA
File LR 50227-7
ECR0983-1
Approx. 1.5 x original size
Small relay D2
V23042
4
Siemens AG
Small relay D2
Dimension drawing
(in mm)
Mounting hole layout
View on the terminals
Monostable and bistable,
1 winding
Bistable,
2 windings
Basic grid 2.54 mm according to EN 60097 and DIN 40803, fine
Basic grid 2.54 mm according to EN 60097 and DIN 40803, fine
Terminal assignment
View on the terminals
Monostable and bistable,
1 winding
V23042-A2
III
V23042-C2
III
The switch position illustrated shows the
release condition.
If a positive potential is applied to terminal 1,
the relay adopts the operating position.
Monostable and bistable,
1 winding
V23042-A3
III
V23042-C3
III
The switch position illustrated shows the
release condition.
If a positive potential is applied to terminal
16, the relay adopts the operating position.
Bistable,
2 windings
V23042-B2
III
The switch position illustrated shows the
release condition.
If a positive potential is applied to terminal 1
or 15, the relay adopts the operating posi-
tion.
Siemens AG
5
Small relay D2
Load limit curve
I
=
switching current
U = switching
voltage
= recommended application field
Definition of the load limit curve I:
Quenching of the arc before the transit time
Definition of the load limit curve II:
In 1000 operations, no arc with a burning time of > 10 ms may occur
Contact data
Ordering code block 3
B101
B201
Number of contact and type
2 changeover contacts
Contact assembly
Double contacts
Contact material
Gold-plated silver
against palladium silver
Gold-plated palladium silver
against palladium silver
Max. continuous current at max. ambient temperature
2 A
Maximum switching current
5 A
Maximum switching voltage
250 V
220 V~
Maximum switching voltage according to VDE 0110, insula-
tion group A
150 V
125 V~
Maximum switching capacity
DC voltage
AC voltage
50 ... 150 W, see load limit curve
250 VA
Recommended for load voltages greater than
100
V
Thermoelectric potential
10
V
Contact resistance (initial value) / measuring current / driver
voltage
50 m
/ 10 mA / 20 mV
Curve II
-B101/B201
Curve I
-B101
Curve I
-B201
6
Siemens AG
Small relay D2
Coil data
Nominal energizing voltage
From 3V to 48V
Typical nominal power consumption
monostable with 1 winding
bistable with 2 windings
bistable with 1 winding
150 ... 250 mW
150 ... 200 mW
75 ... 100 mW
(depending on the coil version,
see table)
Maximum operating voltage
70 ... 80 % of the nominal energizing
voltage, depending on the coil version
Maximum reverse voltage (bistable)
75 % of the nominal energizing voltage
Minimum release voltage (monostable)
10 % of the nominal energizing voltage
Maximum holding voltage (non-releasing, monostable)
35 % of the nominal energizing voltage
U
I
= minimum voltage at 20 C after pre-energizing
with nominal energizing voltage without contact
current
U
II
= maximum continuous voltage at 20 C
The operating voltage limits
U
I
and
U
II
are dependent on the
temperature according to the formulae:
U
I tamb
=
k
I
U
I 20 C
and
U
II tamb
= k
II
U
II 20 C
t
amb
= ambient temperature
U
I tamb
= minimum voltage at ambient temperature,
t
amb
U
II tamb
= maximum voltage at ambient temperature,
t
amb
k
I
a.
k
II
= factors (temperature dependent), see diagram
Ambient temperature,
t
amb
[C]
Siemens AG
7
Small relay D2
Coil versions
Nominal energizing
voltage
U
nom
Operating voltage range
at 20 C
Resistance
at 20 C
Coil number
Ordering code block 2
V
Minimum voltage,
U
I
V
Maximum voltage,
U
II
V
monostable, 1 winding, 150 mW nominal power consumption
A2
III
/ A3
III
5
4
12.3
167
16.7
601
12
9.6
29
960
96
603
24
19.2
57
3840
384
605
monostable, 1 winding, 200 mW nominal power consumption
A2
III
/ A3
III
3
2.4
6.4
45
4.5
308
5
4
10.6
125
12.5
301
12
9.6
25.5
720
72
303
24
19.2
50.9
2880
288
305
48
38.4
101.8
11520
1152
307
monostable, 1 winding, 250 mW nominal power consumption
A2
III
/ A3
III
3
2.25
5.7
36
3.6
008
5
3.75
9.2
95
9.5
001
12
9
23.2
600
60
003
24
18
44.6
2210
221
005
48
36
93.7
9750
975
015
bistable, 2 windings, 150 mW nominal power consumption
B2
III
3
2.25
7.3
60
6
358
5
3.75
12.3
167
16.7
351
12
9
29.4
960
96
353
24
18
58.8
3840
384
355
bistable, 2 windings, 200 mW nominal power consumption
B2
III
3
2.25
6.4
45
4.5
208
5
3.75
10.6
125
12.5
201
12
9
25.5
720
72
203
24
18
42.8
2040
204
205
bistable, 1 winding, 75 mW nominal power consumption
C2
III
/ C3
III
3
2.25
10.4
120
12
158
5
3.75
17.2
330
33
151
12
9
6.4
1920
192
153
24
18
83.1
7680
768
155
bistable, 1 winding, 100 mW nominal power consumption
C2
III
/ C3
III
3
2.25
9
90
9
108
5
3.75
15
250
25
101
12
9
36
1440
144
103
24
18
60
4000
400
105
Further coil versions are available on request.
8
Siemens AG
Small relay D2
General data
Typical operate time at
U
nom
and at 20 C
3 ms
Typical reverse time at
U
nom
and at 20 C
3 ms
Typical release time without/with diode in parallel
2 ms / 4 ms
Typical bounce time
3 ms
Maximum switching rate without load
100 operations/s
Ambient temperature according to DIN IEC 255
Part 1-00 or VDE 0435 part 201
-40 C ... +85 C
Vibration resistance,
Frequency range according to IEC 68-2-6
50 g
10 - 500 Hz
Shock resistance, half sinus, 11 ms according to
IEC 68-2-27
50 g
Protection class according to DIN VDE 0470
part 1 / IEC 529
immersion cleanable
sealing corresponds to DIN IEC 68, part 2-17, method Qc 2
Mechanical endurance
2 x 10
7
switching cycles
Mounting position
any
Processing information
Ultrasonic cleaning is not recommended
Weight
approx. 5 g
Electrical endurance
Contact material silver, gold-plated, against palladium silver (-B101)
Switching voltage
V
Switching current
mA
Switching cycles
Load type
Endurance determined
by switching cycles
0
0
approx. 2 x 10
7
dry circuit
10
6
100
approx. 2 x 10
7
resistive
10
24
50
approx. 2 x 10
7
resistive
10
Contact material palladium silver, gold-plated, against palladium silver (-B201)
Switching voltage
V
Switching current
mA
Switching cycles
Load type
Endurance determined
by switching cycles
0
0
approx. 2 x 10
7
dry circuit
10
6
100
approx. 2 x 10
7
resistive
10
24
50
approx. 2 x 10
7
resistive
10
60
50
approx. 10
7
resistive
with 10 m cable
10
Insulation
Insulation's resistance at 500 V
1000 M
Dielectric test voltage (1 min)
Contact / winding at 1 winding / at 2 windings
Changeover contact / changeover contact
Changeover tip / changeover tip
1500 V~
eff
/ 1000 V~
eff
1500 V~
eff
1000 V~
eff
Siemens AG
9
Small relay D2
Ordering code
V 2
4
0
2
3
Data position
1
2
3
4
5
6
7
8
9
10 11
12 13 14 15
Block 1
Block 2
Block 3
Identification of the
small relay, D2
Relay type
Coil number
Contact assembly / material
Ordering example: V23042-C2103-B201
Small relay D2, bistable, coil with 1 winding, 12 V nominal energizing voltage, Pull-in via plus pole on pin 1,
contact material gold-plated palladium silver against palladium silver
Note:
The ordering scheme above covers far more possible varieties than are presently offered in the delivery program.
Special designs to customer specifications are possible; please contact your local office.
Preferred standard types (delivery program)
A2 = monostable, 1 winding, pull-in at plus potential on pin 1
A3 = monostable, 1 winding,
pin 16
B2 = bistable, 2 windings,
pin 1 or pin 15
C2 = bistable, 1 winding,
pin 1
C3 = bistable, 1 winding,
pin 16
Monostable, 150 mW
nominal power consumption
Monostable, 250 mW
nominal power consumption
Bistable, 2 windings, 200 mW
nominal power consumption
Bistable, 1 winding, 100 mW
nominal power consumption
601 = 5 V nominal
008 = 3 V nominal
208 = 3 V nominal
108 = 3 V nominal
603 = 12 V energizing voltage
001 = 5 V energizing voltage
201 = 5 V energizing voltage
101 = 5 V energizing voltage
605 = 24 V
003 = 12 V
203 = 12 V
103 = 12 V
005 = 24 V
205 = 24 V
105 = 24 V
015 = 48 V
Monostable, 200 mW
nominal power consumption
Bistable, 2 windings, 150 mW
nominal power consumption
Bistable, 1 winding, 75 mW
nominal power consumption
308 = 3 V nominal
358 = 3 V nominal
158 = 3 V nominal
301 = 5 V energizing voltage
351 = 5 V energizing voltage
151 = 5 V energizing voltage
303 = 12 V
353 = 12 V
153 = 12 V
305 = 24 V
355 = 24 V
155 = 24 V
307 = 48 V
B101 = 2 changeover contacts,
gold-plated silver against palladium silver
B201 = 2 changeover contacts,
gold-plated palladium silver against palladium silver
V23042 -A2001-B101
V23042 -B2201-B101
V23042 -C2101-B101
-A2001-B201
-B2203-B101
-C2103-B101
-A2003-B101
-B2205-B101
-A2003-B201
-A2005-B101
-A2005-B201
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