SERIES
ESTABLISHED RELIABILITY
TO-5 RELAYS
SPDT
411
ESTABLISHED RELIABILITY
SERIES
DESIGNATION
411
411D
411DD
411T
SPDT basic relay
RELAY TYPE
SPDT relay with internal diode for coil suppression
SPDT relay with internal diodes for coil transient suppression and polarity
reversal protection
SPDT relay with internal transistor driver and coil transient suppression
diode
INTERNAL CONSTRUCTION
UNI-FRAME
UPPER
STATIONARY
CONTACT
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 specifically for high-density PC board mounting, its small
size and low coil power dissipation make the 411 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 411D and 411DD relays have internal discrete silicon diodes for
coil suppression and polarity reversal protection. The hybrid 411T 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 411 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).
ARMATURE
LOWER
STATIONARY
CONTACT
MOVING
CONTACT
ENVIRONMENTAL AND
PHYSICAL SPECIFICATIONS
Temperature
(Ambient)
Vibration
(General Note 1)
Shock
(General Note 1)
Acceleration
Enclosure
Weight
411 Page 53
–65°C to +125°C
30 g’s to 3000 Hz
75 g’s,
6 msec, half-sine
50 g’s
Hermetically sealed
0.089 oz. (2.52g) max.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
©2003 TELEDYNE RELAYS
411/1203/Q1
SERIES 411
GENERAL ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (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)
1 Form C (SPDT)
Continuous
0.1 ohm max. before life; 0.2 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 µA/10 to 50mV
250 mA/115Vac, 60 and 400 Hz (Case not grounded)
100 mA/115Vac, 60 and 400 Hz (Case grounded)
ESTABLISHED RELIABILITY
Contact Life Ratings
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
Contact Overload Rating
2A/28Vdc Resistive (100 cycles min.)
Contact Carry Rating
Contact factory
Coil Operating Power
300 milliwatts typical at nominal rated voltage @ 25°C
Operate Time
2.0 msec max. at nominal rated coil voltage
Release Time
411 Series: 1.5 msec max.
411D, 411DD, 411T Series: 4.0 msec max.
Contact Bounce
1.5 msec max.
Intercontact Capacitance
0.4 pf typical
Insulation Resistance
10,000 megohms min. between mutually isolated terminals
Dielectric Strength
Atmospheric pressure: 500 Vrms/60Hz
70,000 ft.: 125 Vrms/60Hz
Negative Coil Transient (Vdc)
411D, 411DD, 411T
1.0 max
Diode P.I.V. (Vdc)
411D, 411DD, 411T
100 min.
Base Turn Off Voltage (Vdc)
0.3 min.
411T
Transistor
Emitter-base breakdown Voltage (BV
EBO
) (@25°C) (Vdc)
6.0 min.
Characteristics
Collector-base breakdown Voltage (BV
EBO
) (@25°C & lc = 100 µA) (Vdc)
75 min.
DETAILED ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (Note 3)
BASE PART
NUMBERS
(See Note 10 for full P/N example)
Nom.
Max.
411, 411D, 411T (Note 4)
Coil Resistance
(Ohms ±10% @25°C)
411DD (Note 4)
Min.
Coil Current (mAdc @25°C)
(411DD Series)
Max.
Min.
Coil Current (mAdc @25°C)
(411T Series)
Max.
411, 411D
Pick-up Voltage (Vdc, Max.)
411DD
411T (Note 7)
Base Current to Turn On (mAdc, Max.)
(411T Series) (Note 7)
Min.
Drop-out Voltage (Vdc)
(See Note 8 for 411T Series)
Max.
Coil Voltage (Vdc)
411-5
411D-5
411DD-5
411T-5
5.0
6.0
63
50
72.7
100
66.6
89.6
3.7
4.5
3.9
2.38
0.15
2.4
411-6
411D-6
411DD-6
411T-6
6.0
8.0
125
98
46.3
62.4
42.0
55.5
4.5
5.5
5.2
1.60
0.18
2.8
411-9
411D-9
411DD-9
411T-9
9.0
12.0
280
280
25.9
33.7
28.0
38.1
6.8
7.8
7.8
1.07
0.35
4.2
411-12
411D-12
411DD-12
411T-12
12.0
16.0
500
500
20.0
25.6
20.9
28.1
9.0
10.0
10.0
0.80
0.40
5.6
411-18
411D-18
411DD-18
411T-18
18.0
24.0
1130
1130
13.6
17.2
13.8
18.8
13.5
14.5
14.5
0.53
0.58
8.4
411-26
411D-26
411DD-26
411T-26
26.5
32.0
2000
2000
11.5
14.4
11.5
15.5
18.0
19.0
19.0
0.40
0.89
10.4
PERFORMANCE CURVES
(NOTE 2)
TYPICAL RF PERFORMANCE
0
.1
.2
.3
.4
.5
.6
dB
411T
TYPICAL DC CONTACT RATING (RESISTIVE)
1D,
411
DD
411
, 41
INS
ERT
ION
LOS
S
300
LOAD VOLTAGE (VDC)
250
200
150
100
50
10
20
30
40
50
60
70
.01
1D
1D, 41
411, 41
D
1.92
RETURN LOSS (VSWR)
1.22
1.02
1.01
1.00
1.00
.5
1.0
VSWR
1.07
ISOL
N
ATIO
411T
411T
411,
, 411
411D
DD
0.5
.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
FREQUENCY (GHz)
LOAD CURRENT (AMPS DC)
FIGURE 1
FIGURE 2
©2003 TELEDYNE RELAYS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
411 Page 54
411/1203/Q1
SERIES 411
OUTLINE DIMENSIONS
CASE DETAIL
.370
(9.40)
DIA. MAX.
.335
(8.51)
DIA. MAX.
.035 (.89)
±
.010 (0.25)
LEAD & PIN LOCATIONS
(Viewed from Terminals)
.031 (.79)
±
.003 (0.08)
.200 (5.08)
±
.010 (.25) DIA.
PIN NUMBERS
(For reference only)
SCHEMATIC DIAGRAMS
9
8
7
6
411T
1
2
3
4
411T
411
411DD
.270 (6.86) MAX.
45°
±3°
TYP.
5 LEADS
36°
±3°
TYP.
8 LEADS
4
5
411T
1
411D
WIRE LEAD: .75 (19.05) MIN.
PIN: .187 (4.75)
±.010
(.25)
(See Note 6)
+.002 (.05)
.017 (.43) ± .001 (.03) DIA.
411, 411D, 411DD
3
2
SCHEMATICS ARE VIEWED FROM TERMINALS
ESTABLISHED RELIABILITY
DIMENSIONS ARE SHOWN IN INCHES (MILLIMETERS)
411, 411D, 411DD
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 initial values.
4. For reference only. Coil resistance not directly measurable at relay terminals due
to internal series semiconductor, 411DD and 411T only.
5. Unless otherwise specified, relays will be supplied with either gold-plated or
solder-coated leads.
6. The slash and characters appearing after the slash are not marked on the relay.
7. Limit Base Emitter current to 15 mAdc.
8. Applicable to all coil voltages. See Base current to turn on.
9. Screened HI-REL versions available. Contact factory.
10.
TYPICAL LOGIC INTERFACE
(See Note 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.
Pin 4
Logic element
1 = 0.40 to 2.38mA
0 = 0.3Vdc min.
Pin 2
Pin 3
Teledyne Part Numbering System for
T
2
R
® Established Reliability Relay
ER
Established Reliability
Designator
411 Y
M3 - 26
A / S Q
Q= Solder Coated Leads
G= Gold Plated Leads
(Notes 5 and 6)
S= .187" leads
(Note 6)
Screening and Reliability
Level
Coil Voltage
Relay Series
Optional Ground Pin
(See Appendix)
Pad Option
(See Appendix)
Teledyne Part Numbering System for Military Qualified (JAN) Relays
J
Military (JAN)
Designator
411
M3 - 26
P
L
Screening and Reliability
Level
Terminal Variant
P = 0.187"
Coil Voltage
Relay Series
Pad Option
(See Appendix)
411 Page 55
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
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©2003 TELEDYNE RELAYS
411/1203/Q1
Spacer Pads
APPENDIX
Relay Options Page 119
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©2003 TELEDYNE RELAYS
ROP/1203/Q1
Spreader Pads
APPENDIX
©2003 TELEDYNE RELAYS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
www.teledynerelays.com
Relay Options Page 120
ROP/1203/Q1
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