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PDF ER412T Data sheet ( Hoja de datos )
| Número de pieza | ER412T | |
| Descripción | Relays | |
| Fabricantes | Teledyne | |
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Hay una vista previa y un enlace de descarga de ER412T (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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ESTABLISHED RELIABILITY
TO-5 RELAYS
DPDT
SERIES
412
SERIES
DESIGNATION
412
412D
412DD
412T
RELAY TYPE
DPDT basic relay
DPDT relay with internal diode for coil suppression
DPDT relay with internal diodes for coil transient suppression and polarity
reversal protection
DPDT relay with internal transistor driver and coil transient suppression
diode
INTERNAL CONSTRUCTION
UNI-FRAME
ARMATURE
UPPER
STATIONARY
CONTACT
LOWER
STATIONARY
CONTACT
MOVING
CONTACT
ENVIRONMENTAL AND
PHYSICAL SPECIFICATIONS
Temperature
(Ambient)
–65°C to +125°C
Vibration
(General Note 1)
30 g’s to 3000 Hz
Shock
(General Note 1)
75 g’s,
6 msec, half-sine
Acceleration
50 g’s
Enclosure
Hermetically sealed
Weight
0.09 oz. (2.55g) max.
DESCRIPTION
The TO-5 relay, originally conceived and developed by Teledyne, has become
one of the industry standards for low-level switching from dry circuit to 1
ampere. Designed expressly for high-density PC board mounting, its small size
and low coil power dissipation make the 412 relay one of the most versatile
ultraminiature relays available.
The following unique construction features and manufacturing techniques
provide excellent resistance to environmental extremes and overall high
reliability.
• All welded construction.
• Unique uni-frame design, providing high magnetic efficiency and
mechanical rigidity.
• High force/mass ratios for resistance to shock and vibration.
• Advanced cleaning techniques provide maximum assurance of internal
cleanliness.
• Precious metal alloy contact material with gold plating assures excellent
high current and dry circuit switching capabilities.
The Series 412D and 412DD relays have internal discrete silicon diodes for
coil suppression and polarity reversal protection. The hybrid 412T relay
features an internal silicon suppression diode and transistor driver. This hybrid
package reduces required PC board floor space by reducing the number of
external components needed to drive the relay.
By virtue of its inherently low intercontact capacitance and contact circuit
losses, the 412 relay has proven to be an excellent ultraminiature RF switch
for frequency ranges well into the UHF spectrum. A typical RF application for
the TO-5 relay is in handheld radio transceivers, wherein the combined
features of good RF performance, small size, low coil power dissipation and
high reliability make it a preferred method of T-R switching (see Figure 1).
©2003 TELEDYNE RELAYS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
412 Page 1
412/1203/Q1
1 page  
Appendix A: Spreader Pads
www.DataSheet4U.com
Pad designation and
bottom view dimensions
Height
For use with the following:
Dim. H
Max.
.370 [9.4]
MAX SQ
.300
[7.62]
.150
[3.81]
.200
[5.08]
.100
[2.54]
.100
[2.54]
“M” Pad 5/ 6/
Dim H
MAX
.370
[9.4]
MIN
ER411T, J411T, ER412, ER412D
ER412DD, J412, J412D, J412DD
ER412T, J412T
712, 712D, 712TN
.014 ER431T, J431T, ER432, ER432D
[0.36]
(REF)
ER432DD, J432, J432D, J432DD
ER432T, J432T
732, 732D, 732TN
ER420, J420, ER420D, J420D
ER420DD, J420DD, ER421, J421
ER421D, J421D, ER421DD
J422D, ER422DD, J422DD, 722
.388 (9.86)
.393 (9.99)
.493 (12.52)
.503 (12.78)
.398 (10.11)
.390 [9.91]
SQ
.100
[2.54]
.300
[7.62]
.100
[2.54]
.150
[3.81]
Dim H
MAX
ER411T
ER412, ER412D, ER412DD
J412, J412D, J412DD
712, 712D
ER421, ER421D, ER421DD
722, 732D
.441 (11.20)
.451 (11.46)
.451 (11.46)
.300
[7.62]
“M2” Pad 7/ 8/
.150
[3.81]
.130
[3.3]
ER431T
ER432, ER432D, ER432DD
732, 732D
.546 (13.87)
.556 (14.12)
.370 [9.4]
MAX SQ
.300
[7.62]
.150
[3.81]
.200
[5.08]
.100
[2.54]
.100
[2.54]
Dim H
MAX
.370
[9.4]
MIN
ER411, ER411D, ER411DD
ER411TX
ER412X, ER412DX, ER412DDX
ER412TX
712X, 712DX, 712TNX
ER420X, ER420DX, ER420DDX
.014
[0.36] ER421X, ER421DX, ER421DDX
(REF)
ER422X, ER422DX
ER422DDX, 722X, 722DDX
ER431, ER431D, ER431DD
ER431TX
ER432X, ER432DX, ER432DDX
ER432TX
.388 (9.86)
.393 (9.99)
.398 (10.11)
.493 (12.52)
“M3” Pad 5/ 6/ 9/
732X, 732DX, 732TNX
.503 (12.78)
Notes:
1. Spreader pad material: Diallyl Phthalate.
2. To specify an “M”, “M2” or “M3” spreader pad, refer to the mounting variants portion of the part number example
in the applicable datasheet.
3. Dimensions are in inches (mm).
4. Unless otherwise speci¿ed, tolerance is ± .010” (0.25).
5/. Add 25 mȍ to the contact resistance shown in the datasheet.
6/. Add .01 oz. (0.25 g) to the weight of the relay assembly shown in the datasheet.
7/. Add 50 mȍ to the contact resistance shown in the datasheet.
8/. Add 0.025 oz (0.71 g) to the weight of the relay assembly shown in the datasheet.
9/. M3 pad to be used only when the relay has a center pin (e.g. ER411M3-12A, 722XM3-26.)
(800) 284-7007 • www.teledynerelays.com
Ƈ +44 (0) 1236 453124 • www.teledyne-europe.com
© 2008 Teledyne Relays
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ER412T.PDF ] | |
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