TDH-7070/7071
ENGINEERING DATA SHEET
ON RELEASE-FIXED PERIOD
4 PDT, 10 AMP
FEATURES
q
q
q
q
q
q
q
Small size and weight
High-reliability design
Hermetically sealed
High transient immunity
Long life
Low-power consumption
Reverse Polarity Protection
PRINCIPLE TECHNICAL CHARACTERISTICS
Seal:Hermetic Tested per MIL-STD-883,
Method 1014 Condition B, C
Finish: per MIL-T-10727
Terminals:
TDH 7071 (Tin Plate)
TDH 7070 (Gold Plate)
Weight
1x10 atm, cm /s max
leakage
Tin Plate
Solder-lug
Plug-In
3.0 Ounce max.
-8
3
APPLICATION NOTE:
101
APPLICABLE SOCKET:
SO-1056-8691
DESCRIPTION
The TDH-7070/71 Time Delay Relays have been designed with thick film hybrid microelectronics timing circuits
and MIL-PRF-6106 relays, packaged in a hermetically sealed military style enclosure. The TDH-7070/71 series
are designed to withstand severe environmental conditions encountered in military/aerospace applications. These
relays are suited for use in power control, communication circuits and many other applications where power
switching and high reliability are required over a wide temperature range.
Featuring
LEACH
©
power and control solutions
www.esterline.com
AMERICAS
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622
.
.
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
EUROPE
2 Rue Goethe
57430 Sarralbe
France
.
.
Tel: (33) 3 87 97 31 01
Fax: (33) 3 87 97 96 86
ASIA
Units 602-603 6/F Lakeside 1
No.8 Science Park West Avenue
Phase Two, Hong Kong Science Park
Pak Shek Kok, Tai Po, N.T.
Hong Kong
Tel: (852) 2 191 3830
Fax: (852) 2 389 5803
Data sheets are for initial product selection and comparison. Contact Esterline Power Systems prior to choosing a component.
Date of issue: 3/06
- 82 -
Page 1 of 3
ELECTRICAL SPECIFICATIONS
Input (Control) Parameters
Timing:
a. Operation, Time Delay on
b. Method
c. Range
d. Accuracy
Recycle Time
Operations: (X1-X2)
a. Input & Control Voltage
b. Operating Current
c. Control Current
Transients:
a. Positive, MIL-STD-704A, Figure9, Limit 1
b. Spike, MIL-STD-704A, 0-10 µs
c. Self-Generated
d. Susceptibility
Electromagnetic Interference Per MIL-STD-461A
Power Loss
Release
Fixed Period
0.1 to 600 Seconds [6]
±10% [1]
50 ms, Max [5]
TDH-7070/7071
20-30 Vdc
150 mA, Max @ +25° C
15 mA, Max @ +25° C
+80 Volts Max
±600 Volts Max
±50 Volts Max
+80; -600 Volts Max
Class 1D [3]
500 Microseconds [2]
Output (Load) Parameters
Contact Form
Contact Rating:
a. Resistive
b. Inductive
c. Motor
d. Lamp
Dielectric Strength:
a. @ Sea Level, 60 Hz
b. @ 80,000 ft., 60 Hz
Insulation Resistance @ 500 Vdc
4 PDT
10 Amperes
8 Amperes
4 Amperes
2 Amperes
1000 Vrms [4]
350 Vrms
1000 M
Ω
[4]
GENERAL CHARACTERISTICS
Ambient Temperatures Range:
a. Operating
b. Non-Operating
Vibration:
a. Sinusoidal, 10-3000 Hz
b. Random: 50-2000 Hz, MIL-STD-810
Shock @ 6 ± 1 MS, 1/2 Sine, 3 Axis
Acceleration, in any Axis
Life at Rated Resistive Load; Minimum
30 G
0.4 G
2
/Hz
100 G
15 G
100,000 operations
-55 to +125° C
-65 to +125° C
NUMBERING SYSTEM
Plug-in Terminal
TDH-7070 - 1001
|
|
|
1
2
3
Solder Hook Terminal
TDH-7071 - 1001
|
|
|
1
2
3
1.
Model Number.
2.
Pin Style Number.
3.
Timing Range, Fixed: 100 milliseconds to 600 seconds. (See Note 6).
Date of issue: 3/06
- 83 -
Page 2 of 3
MECHANICAL SPECIFICATIONS
TDH-7070/7071
-X2
+Y1
1.718 MAX
1.446
1.396
1.025 MAX
.150
NAMEPLATE
(NEAR SIDE)
D
C
B
TD
.930
1.025
MAX
.513
.625
1.500
MAX
.040
1
+X1 2
3
A
.200
.156±.005
FULL
RADIUS
SEE DETAIL
VIEW A AND B
CAGE NO. AND
DATA CODE
(FAR SIDE)
EVACUATION HOLE
CONTRASTING BEADS
PLUG-IN
.050
.270
.300
HOOK PIN
FIXED TIME DELAY
.080 ID
.300
SILICON RUBBER
GASKET
.062 ± .001 PINS
POLARIZING PIN
.062 ± .002 PINS
20-30 VDC
POLARIZING PIN
0 VDC
.200 TYPICAL
.213
30°
.200 TYPICAL
.213
X1-X2
INPUT
VOLTAGE
20-30 VDC
CONTRASTING
BEADS
.213
.200 TYPICAL
CONTRASTING
BEAD
.213
.200 TYPICAL
DETAIL VIEW A
DETAIL VIEW B
0 VDC
(Y1-X2)
CONTROL
ALL DIMENSIONS SHOWN ARE IN INCHES.
ENERGIZED
RELAY DE-ENERGIZED
OUTPUT
TIME DELAY
TIME DELAY ON RELEASE
NOTES
[1] The accuracy specification applies for any combination of operating temperature and voltage.
For units with a timing range less than 1 second, add ±10 milliseconds to the ±10% tolerance.
[2] Transient and power loss specification are based on a maximum duty cycle of 1/50.
[3] EMI test limits will not be exceeded during the timing interval or when continuously energized
under steady state conditions, per paragraph 3.23, MIL-R-83726B.
[4] Terminals X1, X2 and Y1 must be connected together during the test. Dielectric withstanding voltage
and insulation resistance are measured at sea level between all mutually insulated terminals
and between all terminals and case.
[5] Recycle time is defined as the minimum time power must be applied to the control terminal
to assure that the next timing cycle will be completed within the specified timing tolerance.
(Units can be recycled during timing or after time-out.)
[6] A four digit number defines the time delay in seconds (or milliseconds).
The first three digits are significant figures, used to define the specific time delay.
The fourth digit represents the number of zeros to follow the first three digits.
Examples: - 1001 = 1 second (1,000 milliseconds)
- 2502 = 25 seconds (25,000 milliseconds)
- 5000 = 0.5 seconds (500 milliseconds)
Date of issue: 3/06
- 84 -
Page 3 of 3
Application notes
DERATING OF CONTACTS FOR DC VOLTAGES
ABOVE NOMINAL RATING
N°101
To establish a standard for the derating of relay contacts is, at best, a subjective practice. Limitations are governed by the type
of relay, contact gap, maximum voltage capabilities of the relay contact system, and the contact material.
The most common method is to derate the contacts by use of the Power Formula, using the known current and voltage.
This method is valid only for
Resistive Loads,
and is an approximation only; keeping in mind the limitations mentioned above.
Power = IE (Current x Voltage)
I
2
E
2
= 2/3 I
1
E
1
Example:
A designer is working with a 55 volt DC system and has a relay rated at 10 amps resistive at 28 volts DC.
What is the maximum current that can be switched at 55 Vdc.
I
1
= 10 Amperes
E
1
= 28 VDC
E
2
= 55 VDC
I
2
= ? (Current ratings at 55 VDC Resistive)
I
2
E
2
= 2 I
1
E
1
/3
I
2
= 2 I
1
E
1
/E
2
3
= 2 (10 x 28)/55 x 3
= 560/165
I
2
= 3.4 Amperes at 55VDC
In addition, the user should always be concerned about the following:
1. Derating contacts that are rated for less than 10 Amperes at nominal voltage.
2. Derating contacts for use in system voltages above 130 Volts DC
Date of issue: 6/00
- 14 -
Page 1 of 1
SO-1056-8691
ENGINEERING DATA SHEET
RELAY SOCKET
12 AMP
BASIC SOCKET SERIES DESIGNATION FOR:
Series KL
Series TDH-7050, TDH-7060, TDH-7070
MEETS THE REQUIREMENTS OF:
MIL-DTL-12883
GENERAL CHARACTERISTICS
1. Supplied with mounting hardware No. 16 contacts, No. 16 crimp.
2. Standard tolerances
3. Weight
4. Temperature range
.xx ±.01; xxx ±.005
.118 lb. max
-70° C to +125° C
Featuring
LEACH
©
power and control solutions
www.esterline.com
AMERICAS
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622
.
.
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
EUROPE
2 Rue Goethe
57430 Sarralbe
France
.
.
Tel: (33) 3 87 97 31 01
Fax: (33) 3 87 97 96 86
ASIA
Units 602-603 6/F Lakeside 1
No.8 Science Park West Avenue
Phase Two, Hong Kong Science Park
Pak Shek Kok, Tai Po, N.T.
Hong Kong
Tel: (852) 2 191 3830
Fax: (852) 2 389 5803
Data sheets are for initial product selection and comparison. Contact Esterline Power Systems prior to choosing a component.
Date of issue: 8/09
- 14 -
Page 1 of 1
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