SERIES J255 and 255
GENERAL ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted)
Contact Arrangement
2 Form C (DPDT)
Low Level Life: 0–50 μA @0–50 mV, ,000,000 cycles
Resistive: 2A @ 28Vdc, 00,000 cycles
.5A @ 5Vac, 60 and 400Hz, 00,000 cycles
Lamp: 0.6A @ 28Vdc, 00,000 cycles
Intermediate Current: 0.A 28 Vdc, 50,000 cycles
Inductive: 0.75A @ 28Vdc 200 mH, 00,000 cycles
Low Level: 0.050
Ω
maximum before life
0.50
Ω
maximum after life
High Level: 0.050
Ω
maximum before life
0.00
Ω
maximum after life
3.0 ms maximum
4 A/28Vdc Resistive (00 cycles min.)
4 ms maximum over temperature range with rated coil voltage
,000 MΩ minimum, except the resistance between coil and case at high temperature
shall be 500 MΩ or greater
between case, frame, or enclosure
and all contacts in the latched and
non-latched positions
between case, frame or enclosure and coils
Dielectric Strength
between all contacts and coils
between open contacts in the latched and
non-latched positions
between coils
between contact poles
Minimum Operate Pulse
9 ms @ rated voltage
Sea Level
,000 Vrms (60 Hz)
500 Vrms (60 Hz)
,000 Vrms (60 Hz)
500 Vrms (60 Hz)
500 Vrms (60 Hz)
,000 Vrms (60 Hz)
Altitude
350 Vrms (60 Hz)
350 Vrms (60 Hz)
350 Vrms (60 Hz)
350 Vrms (60 Hz)
350 Vrms (60 Hz)
350 Vrms (60 Hz)
Contact Load Ratings
(Case Grounded)
Contact Resistance
Contact Bounce
Contact Overload Rating
Operating Time
Insulation Resistance
DETAILED ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted)
BASE PART NUMBERS
(See Note 2 for full P/N example)
Coil Voltage (Vdc)
Nom.
Max.
Min.
Max.
Min. @25°C
Max. @25°C
TERMINAL
CONNECTIONS
J255-5
255-5
5.0
6.7
45
.0
3.8
.6
2.7
J255-6
255-6
6.0
8.0
63
.3
4.5
2.0
3.25
J255-12
255-12
2.0
6.0
254
2.6
9.0
4.0
6.5
J255-26
255-26
26.5
32.0
000
5.2
8.0
8.0
3.0
Coil Resistance (Ohms ±10%, 25°C)
Set/Reset Voltage
(Vdc)
.030 (.762)
+.003 (+.076)
–.002 (–.051)
.187
±.020
(4.75
±.051)
.030 (.762)
+.003 (+.076)
–.002 (–.051)
.187
±.030
(4.75
±.051)
GOLD-PLATED
LEAD-FREE
WIRE LEAD
SOLDER COATED
(SEE PART NUMBER EXAMPLE)
J255 Page 2
SPECIFICATIoNS ARE SubJECT To CHANGE WITHouT NoTICE
© 2007 TELEDYNE RELAYS
J255\042007\Q
NoTES:
SERIES J255 and 255
. Vibration (sinusoidal): MIL-STD-202, method
OUTLINE DIMENSIONS
204, test condition D (except frequency shall
be 0 to 2,500 Hz). Contact chatter shall not
.810 MAX
.410 MAX
(20.57)
exceed 0 μs maximum for closed contacts,
(10.41)
and μs maximum closure for open contacts.
Vibration (random): MIL-STD-202, method
24, test condition IG. Contact chatter shall
not exceed 0 μs maximum for closed
.410 MAX
contacts, and μs maximum closure for open
(10.41)
contacts (applicable to qualification and group
C testing only).
2. Shock (half-sine pulse): MIL-STD-202,
.187 ±.020
method 23, test condition C (00 g’s).
(4.75 ±0.5)
Contact chatter shall not exceed 0 μs
maximum for closed contacts, and μs
+.003
.030
maximum closure for open contacts.
–.002
3. Dimensions are in inches. Metric equivalents
+.075
.76
MEASUREMENTS IN INCHES
–.05
in parentheses for reference only.
(MILLIMETERS)
4. unless otherwise specified, tolerance is ±.00
10 LEADS
(0.25mm).
5. Indicated terminal is marked with a
.825 MAX
contrasting bead.
(20.95)
6. unless otherwise specified, relays will be
CONTRASTING
2X.100
GLASS (X1)
supplied with either gold-plated or solder-
(2.54)
coated leads. The slash and characters
appearing after the slash are not marked on
the relay.
7. When latching relays are installed in
.425 MAX
.200 TYP
(10.8)
(5.08)
equipment, the latch and reset coils should
not be pulsed simultaneously.
8. Each relay possesses high-level and low-
level capabilities. However, relays previously
.200
2X.100
tested or used above 0 mA resistive at
TYP
(2.54)
6 Vdc maximum or peak ac open circuits not
(5.08)
recommended for subsequent use in low-level
applications.
9. Relays may be subjected to 260°C ( minute)
peak solder reflow temperature.
0. For hi-rel applications, contact factory at (800)
284-7007.
. The suffix letter L and M to designate the
applicable failure rate level shall be added to
the applicable listed dash number. Failure rate
level (percent per 0,000 cycles): L = 3.0;
M = .0.
2.
Teledyne Part Numbering System for Standard Relays
EXAMPLE:
J255
-
12
L
/
Q
Relay Family
Military
Qualified
Coil Voltage
5 = 5 volts
6 = 6 volts
2 = 2 volts
26 = 26.5 volts
Reliability Level
L = 3% (See Note )
M = % (See Note )
Lead Finish
G = .87˝ gold-plated wire lead
Q = .87˝ solder-coated wire lead
blank = .87˝ gold-plated or solder-coated
wire lead (See Note 6)
255
-
12
/
Q
Relay Family
Commercial
Coil Voltage
5 = 5 volts
6 = 6 volts
2 = 2 volts
26 = 26.5 volts
Lead Finish
G = .87˝ gold-plated wire lead
Q = .87˝ solder-coated wire lead
blank = .87˝ gold-plated or solder-coated
wire lead (See Note 6)
J255 Page 3
J255\042007\Q
© 2007 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
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