20C251 Tyco Electronics, 20C251 Datasheet
20C251
Manufacturer Part Number
20C251
Description
SPRING RELAY HOLD-DOWN 6POLE
Manufacturer
Tyco Electronics
Series
R10r
Specifications of 20C251
Accessory Type
Clip, Hold Down
Associated Relay Series
R10
Number Of Poles
6
Termination Style
Solder
For Use With/related Products
R10 Series
For Use With
PB812 - SOCKET 6 POLES IN LINEPB798 - SOCKET 6P SOLDER R10 SERIESPB799 - SOCKET 6P PC MNT 5TGR R10 SERIESPB641 - SOCKET SCREW TERM 6P R10 RELAYS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Color
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
20C251
3-1393159-7
PB789
3-1393159-7
PB789
Dimensions are shown for
reference purposes only.
Features
• Broad range of coil options provide sensitivity ranging from 25 to 750mW.
• Various contacts switch from dry circuit to 7.5 amps.
• Many mounting and termination options.
Contact Data @ 25°C
Arrangements: 1 Form C (SPDT) through 8 Form C (8PDT) See Ordering
Information tables for more details regarding availability.
Contact Materials, Styles & Ratings @ +25
‡ Use ungrounded frame for AC loads of 5A or greater. Max.ratings are 7.5A at 115VAC and
§ Use ungrounded frame for AC loads of 5A or greater. Max.ratings are 5A at 115VAC and 3A
UL Horsepower Contact Ratings (Coil Code V Only)
Expected Mechanical Life: 100 million operations, typical. (Except contact
Typical Expected Life For Resistive Loads @ 25
†† Relay operated at rated coil voltage or 133% of pick-up current or higher.
Initial Dielectric Strength
Between Open Contacts: 500V rms, for contact codes P and Z.
Between All Other Conductors: 1,000V rms.
Contact
Type
R10S
R10S
R10S
R10S
Code
4A at 28VDC for coil codes S and J.
at 28VDC for coil codes S and J.
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
R10
Ratings are at 28VDC or 155VAC unless otherwise specified. Total load must not
exceed 30A per relay.
W
Contact Code
X
Y
Z
P
W
Current
Silver-Cadmium Oxide
Silver-Cadmium Oxide
X
500mA
100mA
100mA
100mA
100mA
Gold overlay on Silver Bifurcated Crossbar
30mA
50mA
7.5A
5.0A
2.0A
2.0A
2.0A
1.0A
1.0A
1.0A
1mA
7.5A
5.0A
4.0A
3.0A
3.0A
R10
Material
Fine Silver
Contact
Fine Silver
28VDC or 120VAC
28VDC or 120VAC
28VDC or 120VAC
No. of Poles
120VAC, 60 Hz.
120VAC, 60 Hz.
1, 2, 4, 6
1, 2, 4
Voltage
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
28VDC
48VDC
6VDC
6VDC
6VDC
6VDC
1,000V rms for contact codes W, X and Y with
coil code V.
Code W: 1,000,000 operations, typical.)
Single Button
Single Button
Single Button
Bifurcated
Contact
Style
R10-R
At 110-120VAC
1/20 HP (1.5A)
Contact Style Coil Code Operations††
1/8 HP (3.8A)
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Y,Z
P,Z
P,Z
P,Z
Dimensions are in inches over
(millimeters) unless otherwise
specified.
W
W
W
X
X
X
P
P
P
Coil Codes
Available
V, Q, S, J
V, Q, S, J
All
All
All
°
C
°
SS,JJ
SS,JJ
SS,JJ
SS,JJ
SS,JJ
V,S,J
V,S,J
V,S,J
V,S,J
V,S,J
V,S,J
Dry Circuit 1mA
C
S,J
S,J
S,J
R10S
500mA
V
V
V
J
J
500mA
100mA
J
J
1mA
Min.
Contact Ratings
At 220-240VAC
1/10 HP (1.5A)
1/6 HP (2.2A)
100mA
Typ.
7.5 · 10
7.5 · 10
1.5 · 10
2A
12 · 10
5 · 10
5 · 10
2 · 10
2 · 10
3 · 10
6 · 10
5 · 10
5 · 10
1 · 10
5 · 10
1 · 10
5 · 10
5 · 10
1 · 10
5 · 10
5 · 10
5 · 10
-
-
Catalog 1308242
7.5A‡
4
4
4
4
4
5
5
5
6
6
8
6
7
6
7
6
7
Max.
6
5A§
4
4
6
3A
2A
3A
Issued 3-03
R10
General Purpose
Dry Circuit to 7.5 Amp
Multicontact AC or DC Relay
• R10-E – Clear Dust Cover Version
• R10-R – Sealed, Immersion Cleanable Type
• R10S – Super Sensitive, Logic Compatible
Capacitance
Between Contacts: 2 pf, typ.
Between Contacts and Coil: 2 pf, typ.
Between Coil and Frame: 30 pf, typ.
Initial Insulation Resistance
Between Mutually Insulated Elements: 10
Consult factory for optional acetal resin material rated 10
Coil Data @ 25°C (also see Coil Data tables)
Voltage: 3 to 115VDC and 6 to 115VAC.
Maximum Coil Power: 2.2 Watts.
Coil Temperature Rise: 30°C per Watt.
Maximum Coil Temperature: 105°C.
Operate Data @ 25°C
R10 Ultra-Sensitive "SS" and "JJ" Typical Ranges of Operation
Environmental Data
Storage Temperature Range: -55°C to +105°C.
Operating Temperature Range: -55°C to +75°C.
Mechanical Data
Terminal Finish: Tin plating standard.
Weight: 0.8 to 1.4 oz. (23 to 40g) approximately.
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that user also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
R10 Relays (DC Only) Typical Ranges of Operations
20
25
15
10
30
Multiple of Max. Pull-In Voltage or Current
40
5
values are required, testing is required.)
50
30
20
10
1.0
(Curves for reference only. If specific
1.0
File E29244
File LR15734
Specifications and availability
subject to change.
values are required, testing is required.)
1.5
series
Multiple of Max. Pull-In Voltage or Current
(Curves for reference only. If specific
1.33 1.5
(all contact configurations)
2.0
(all contact configurations)
and Release Times
Typical Operate
Operate Time
and Release Time
Typical Operate
(no suppression)
Release Time
Operate Time
3.0
2.0
(no suppression)
Release Time
4.0
10
8
6
4
2
2.5
10
ohms @ 25°C, 50% RH.
3.0
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
12
10
12
8
6
4
2
ohms.
P&B
703
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20C251 Summary of contents
Page 1
... Typ. Max. Maximum Coil Temperature: 105°C. 500mA - 7.5A‡ 500mA - 5A§ Operate Data @ 25°C 100mA 2A 3A R10 Relays (DC Only) Typical Ranges of Operations 1mA 100mA 2A Dry Circuit 1mA 3A (Curves for reference only. If specific values are required, testing is required 220-240VAC 1/6 HP (2.2A ...
Page 2
... Standard AC Operated Relays Coil Resistance ° ± C 20% (ohms) Volts Pick-Up 6 & 8 Form C (max.) Nominal 25 15 5.0 120 90 9.0 500 350 18.0 2 ...
Page 3
Ordering Information Typical Part Number 1. Basic Series: R10 = Relay with Form C contacts. R10S = Super sensitive R10 (case and terminals E1 & E2 only, J coil adj. only). 2. Case Style Non-sealed polycarbonate cover. R ...
Page 4
Outline Dimensions .735 MAX. (18.67) CASE E ONLY .406 (10.31) .085 MAX. (2.16) .135 (3.43) .171 .354 (4.43) (8.99) .210 (5.33) 3-48 THREAD } TYPE E1 ONLY NIB .091 DIA. x .020 HIGH (2.31) (.51) .59 REF . (15.0) Solder ...
Page 5
... Hold Downs For Use With R10 Sockets Part No. No. of Poles Description 20C249 2 Wire Hold Down Spring 20C250 4 Wire Hold Down Spring 20C251 6 Wire Hold Down Spring 20C266 8 Wire Hold Down Spring 20C259 All Wire Hold Down Strap (PC only) 20C300 2 (R10S) Hold Down Spring ...
Page 6
... Requires only one chassis cutout. Track Mount Socket Provides front wiring, screw terminal connections for R10 family relays. No grounding provision. See preceding page for hold down springs. Suggested Track Mounting 27EXXX .187 MIN. ...