712TN-12 TELEDYNE, 712TN-12 Datasheet
712TN-12
Manufacturer Part Number
712TN-12
Description
Relay; Hybrid; Freq (RF); DPDT; Cur-Rtg 1A; Ctrl-V 12DC; Vol-Rtg 28DC; PCB Mnt
Manufacturer
TELEDYNE
Datasheet
1.712TN-12.pdf
(3 pages)
Specifications of 712TN-12
Brand/series
712TN Series
Capacitance
0.4 pF (Typ.) (Intercontact)
Contact Form
DPDT
Current, Rating
1 A
Diameter, Body
0.370 in. (Max.)
Diameter, Lead
0.017 in.
Function
Frequency (RF)
Height
0.275 in. (Max.)
Length, Lead
0.75 in.
Mounting Type
PCB
Number Of Pins
9
Package Type
TO-5
Relay Type
Hybrid
Resistance, Coil
390 Ohms +⁄- 20% @ 25 °C
Resistance, Contact
0.15 Ohms (Max.) (Before Life), 0.25 Ohms (Max.) (After Life) @ 1 A⁄28 VDC
Temperature, Operating
-55 to +85 °C
Termination
Leadwires
Voltage, Control
12 VDC
Voltage, Rating
28 VDC
Lead Free Status / Rohs Status
RoHS Compliant part
712 Page 93
UNI-FRAME
ARMATURE
Temperature
(Ambient)
Vibration
(General Note 1)
Shock
(General Note 1)
Enclosure
Weight
INTERNAL CONSTRUCTION
PHYSICAL SPECIFICATIONS
ENVIRONMENTAL AND
Storage
Operating –55°C to +85°C
DESIGNATION
SERIES
712TN
712D
712
–65°C to +125°C
10 g’s to 500 Hz
30 g’s,
6 msec, half-sine
Hermetically sealed
0.09 oz. (2.6g) max.
CONTACT
MOVING
STATIONARY
CONTACT
UPPER
STATIONARY
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
CONTACT
LOWER
DPDT basic relay
DPDT relay with internal diode for coil transient suppression
DPDT relay with internal transistor driver and coil transient suppression diode
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 for high-density PC board mounting, the Series 712 relays
are some of the most versatile ultraminiature relays available because of their
small size and low coil power dissipation.
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
• High force/mass ratios for resistance to shock and vibration.
• Advanced cleaning techniques provide maximum assurance of internal
• Precious metal alloy contact material with gold plating assures excellent
The Series 712D relay has an internal discrete silicon diode for coil transient
suppression. The hybrid Series 712TN relay has an internal silicon diode and
transistor driver. The integrated packaging of the relay with its associated
semiconductor devices greatly reduces PC board floor space requirements as
well as component installation costs.
By virtue of its inherently low intercontact capacitance and contact circuit
losses, the 712 has proven to be 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 Transmit-Receive switching (see Figure 1).
rigidity.
cleanliness.
high current and dry circuit switching capabilities.
COMMERCIAL
TO-5 RELAYS
DPDT
RELAY TYPE
©2003 TELEDYNE RELAYS
SERIES
712
712/1203/Q1
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712TN-12 Summary of contents
Page 1
... The Series 712D relay has an internal discrete silicon diode for coil transient suppression. The hybrid Series 712TN relay has an internal silicon diode and transistor driver. The integrated packaging of the relay with its associated semiconductor devices greatly reduces PC board floor space requirements as well as component installation costs ...
Page 2
... 1.00 1.0 0 0.1 0.2 2.0 max 60 min. 0.3 min 6.0 min 60 min 712-9 712-12 712-18 712-26 712D-9 712D-12 712D-18 712D-26 712TN-9 712TN-12 712TN-18 712TN-26 9.0 12.0 18.0 26.5 12.0 16.0 24.0 32.0 220 390 880 1560 6.5 8.4 13.0 17.0 1.36 1 ...
Page 3
... For Reference Only. Coil resistance not directly measurable on 712TN relays. 5. Applicable to all coil voltages. See Base current to turn on. 6. Circuit is typical for all Series 712TN. Values shown are for 712TN-5 relay and apply for full temperature range. 7. The slash and characters appearing after the slash are not marked on the relay. ...