SERIES
COMMERCIAL
SENSITIVE TO-5 RELAYS
DPDT
732
SERIES
DESIGNATION
732
732D
732TN
DPDT basic relay
RELAY TYPE
DPDT relay with internal diode for coil transient suppression
DPDT relay with internal transistor driver and coil transient suppression diode
INTERNAL CONSTRUCTION
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 732 relay is one of
the most versatile ultraminiature relays available because of its small size and
low coil power dissipation.
UNI-FRAME
UPPER
STATIONARY
CONTACT
LOWER
STATIONARY
CONTACT
ARMATURE
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 732D relay has an internal discrete silicon diode for coil transient
suppression. The hybrid Series 732TN 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 732 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 Transmit-Receive switching (see
Figure 1).
MOVING
CONTACT
CENTIGRID
®
AND TO-5
ENVIRONMENTAL AND
PHYSICAL SPECIFICATIONS
–65°C to +125°C
Temperature Storage
(Ambient)
Operating
–55°C to +85°C
Vibration
(General Note 1)
Shock
(General Note 1)
Enclosure
Weight
732 Page 99
10 g’s to 500 Hz
30 g’s,
6 msec, half-sine
Hermetically sealed
0.16 oz. (4.50g) max.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
©2009 TELEDYNE RELAYS
732/0909/Q3
SERIES 732
GENERAL ELECTRICAL SPECIFICATIONS (@25°C) (Notes 2 & 3)
Contact Arrangement
Rated Duty
Contact Resistance
Contact Load Ratings (DC)
(See Fig. 2 for other DC
resistive voltage/current ratings)
Contact Load Ratings (AC)
2 Form C (DPDT)
Continuous
0.15 ohm max. before life; 0.25 ohm max. after life at 1A/28Vdc (measured 1/8" from header)
Resistive:
Inductive:
Lamp:
Low Level:
Resistive:
1 Amp/28Vdc
200 mA/28Vdc (320 mH)
100 mA/28Vdc
10 to 50 µs/10 to 50mV
250 mA/115Vac, 60 and 400 Hz (Case not grounded)
100 mA/115Vac, 60 and 400 Hz (Case grounded)
Contact Life Ratings
Contact Overload Rating
Contact Carry Rating
Coil Operating Power
Operate Time
Release Time
Intercontact Capacitance
Insulation Resistance
Dielectric Strength
Negative Coil Transient (Vdc)
Diode P.I.V. (Vdc)
732TN Transistor
Characteristics
10,000,000 cycles (typical) at low level
1,000,000 cycles (typical) at 0.5A/28Vdc resistive
100,000 cycles min. at all other loads specified above
2A/28Vdc Resistive (100 cycles min.)
Contact factory
200 milliwatts typical at nominal rated voltage
6.0 msec max. at nominal rated coil voltage
732: 3.0 msec max. 732D, 732TN: 7.5 msec max.
0.4 pf typical
1,000 megohms min. between mutually isolated terminals
Atmospheric pressure: 350 Vrms/60Hz
732D, 732TN
732D, 732TN
Base Voltage to Turn Off (Vdc)
Emitter-base breakdown Voltage (BV
EBO
) (Vdc)
Collector-base breakdown Voltage (BV
CBO
) (@25°C & lc = 100 µA) (Vdc)
2.0 max
60 min.
0.3 min
6.0 min
60 min
DETAILED ELECTRICAL SPECIFICATIONS (@25°C) (Note 3)
BASE PART
NUMBERS
(See Note
8
for full P/N example)
Nom.
Max.
Coil Resistance (Ohms ±20% @25°C) (732TN: See Note 4)
Pick-up Voltage (Vdc, Max.) Pulse Operated
732TN
Base Current to Turn On (mAdc, Min.) (Note 5)
Coil Voltage (Vdc)
732-5
732D-5
732TN-5
5.0
7.5
100
3.5
1.50
732-6
732D-6
732TN-6
6.0
10.0
200
4.5
1.00
732-9
732D-9
732TN-9
9.0
15.0
400
6.8
0.75
732-12
732D-12
732TN-12
12.0
20.0
850
9.0
0.47
732-18
732D-18
732TN-18
18.0
30.0
1600
13.5
0.38
732-26
732D-26
732TN-26
26.5
40.0
3300
18.0
0.24
PERFORMANCE CURVES (Note 2)
CENTIGRID
®
AND TO-5
TYPICAL RF PERFORMANCE
TYPICAL DC CONTACT RATING (RESISTIVE)
0
.1
.2
.3
.4
dB
INS
ERT
ION
LOS
S
300
LOAD VOLTAGE (VDC)
250
200
150
100
50
10
20
30
40
50
60
70
.01
0.5
.1
.5
1.0
FREQUENCY (GHz)
1.92
)
(VSWR
LOSS
TURN
S
RE
ACT
ONT
SS C
RO
S
OLE
N AC
SS P
ATIO
CRO
SOL
I
NA
ATIO
ISOL
1.22
1.02
1.01
1.00
1.00
VSWR
1.07
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
LOAD CURRENT (AMPS DC)
FIGURE 1
FIGURE 2
©2009 TELEDYNE RELAYS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
732 Page 100
732/0909/Q3
SERIES 732
OUTLINE DIMENSIONS
CASE DETAIL
.370
(9.40)
DIA. MAX.
.335
(8.51)
DIA. MAX.
.035 (.89)
.010 (0.25)
TERMINAL LOCATIONS AND PIN NUMBERS (REF. ONLY)
(Viewed from Terminals)
.031 (.79)
±
.003 (0.08)
TRANSISTOR BASE
CONNECTION FOR
732TN ONLY
SCHEMATIC DIAGRAM
732
10
9
1
2
3
6
5
4
732D
732TN
8
7
36°
±3°
TYP.
.385 (9.76) MAX.
WIRE LEAD: .75 (19.05) MIN.
.200 (5.08)
.010 (.25) DIA.
(.05)
.017 (.43) +.002 (.03) DIA.
–.001
SCHEMATICS ARE VIEWED FROM TERMINALS
DIMENSIONS ARE SHOWN IN INCHES (MILLIMETERS)
TYPICAL LOGIC INTERFACE
(See Note 5)
GENERAL NOTES
1. Relay contacts will exhibit no chatter in excess of 10 µsec or transfer in
excess of 1 µsec.
2. “Typical” characteristics are based on available data and are best estimates.
No on-going verification tests are performed.
3. Unless otherwise specified, parameters are intial values.
4. For Reference Only. Coil resistance not directly measurable on 732TN relays.
5. Circuit is typical for all Series 732TN. Values shown are for 732TN-5 relay
and apply for full temperature range. Limit base-emitter current to 15 mADC.
6.
Unless otherwise specified, relays will be supplied with either gold-plated or
solder-coated leads.
7.
The slash and characters appearing after the slash are not marked on the
relay.
8.
Vcc
Vr
Pin 1
Notes:
Logic 1 activates the relay.
Logic 0 de-activates the relay.
Vcc = logic bias power.
Vr = coil energization voltage.
Logic element
1 = 0.24 to 1.50mA
0 = 0.3Vdc min.
Pin 10
Pin 9
Teledyne Part Numbering System for Commercial Relays
732 X
M - 26 / S Q
Relay Series
Optional Ground Pin
(See Appendix )
Pad Option
(See Appendix)
Q= Solder Coated Leads
G= Gold Plated Leads
(Notes
6
and
7)
CENTIGRID
®
AND TO-5
S= 0.187" leads
(Note
7)
Coil Voltage
732 Page 101
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
©2009 TELEDYNE RELAYS
732/0909/Q3
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