PRODUCT SPECIFICATION
MICRO-FIT
1.0 SCOPE
This Product Specification covers the performance requirements and test methods of Micro-Fit
3.00 mm (.118 inch) centerline (pitch) wire to board and wire to wire connector systems terminated
with 18 to 30 AWG stranded wire using crimp technology with tin or gold plating.
2.0 PRODUCT DESCRIPTION
2.1 PRODUCT NAME AND SERIES NUMBERS
Receptacle:
43025
Female Crimp Terminal: 43030
TPA Receptacle: 172952
TPA (for 172952): 172953
Plug:
43020
Male Crimp Terminal: 43031
Headers:
43045, 44914
Test Plug:
44242 (recommended for continuity testing only)
Other products conforming to this specification are noted on the individual drawings.
2.2 DIMENSIONS, MATERIALS, PLATINGS AND MARKINGS
Housings:
Receptacle and Plug - Polyester, Nylon; Headers - LCP
Terminal:
Phosphor Bronze
Pins:
Brass, Modified Tin/Brass
2.3 SAFETY AGENCY APPROVALS
File Numbers:
UL:
E29179
CSA:
LR19980
IEC 61984 Certification: Tested to and found in compliance with IEC 61984.
NRTL type
examination certificate available from Molex upon request.
Contact Molex Safety Agency
team for questions regarding certification on specific part numbers.
3.0 APPLICABLE DOCUMENTS AND SPECIFICATIONS
Test Summary:
TS-43045-001
Application Spec:
AS-45499-001 (moisturizing nylon parts)
4.0 RATINGS
4.1 SAFETY AGENCY RATINGS
Agency Voltage Rating
(AC RMS or DC)
Series
43020
43025
172952
43045
44914
UL
350
600
600
600
600
CSA
600
600
600
600
600
IEC
250
250
pending
Agency Current Rating (Single Circuit)
(Amps)
UL
5
8
5
8
8
CSA
7
8
7
8
8
IEC
5
5
pending
250
250
5
5
Current ratings are maximum and may vary depending on wire size, circuit count, and
end-use application. Further testing may be required in the end-use application.
REVISION:
ECR/ECN INFORMATION:
EC No:
UCP2018-0645
DATE:
2017/10/27
TITLE:
P
PRODUCT SPECIFICATION
MICRO-FIT
DUAL ROW CONNECTORS
CHECKED BY:
SHEET No.
1
of
10
APPROVED BY:
DOCUMENT NUMBER:
CREATED / REVISED BY:
PS-43045
SSOUSEK
JBELL
FSMITH
TEMPLATE FILENAME: PRODUCT_SPEC[SIZE_A](V.1).DOC
PRODUCT SPECIFICATION
4.2 CURRENT DERATING AND APPLICABLE WIRES
Current is dependent on connector size, contact material, plating, ambient temperature, printed
circuit board characteristics and related factors. Actual current rating is application dependent
and should be evaluated for each application.
Stranded Copper Wire Size
18 AWG
0.75 mm
2
20 AWG
22 AWG
24 AWG
26 AWG
28 AWG
30 AWG
Max. Outside Insulation Diameter
1.85 mm (.073 inch)
1.85 mm (.073 inch)
1.85 mm (.073 inch)
1.85 mm (.073 inch)
1.85 mm (.073 inch)
1.27 mm (.050 inch)
1.27 mm (.050 inch)
1.27 mm (.050 inch)
CURRENT DERATING REFERENCE INFORMATION
AWG and
Metric
Wire Size
18 AWG
20 AWG or
0.75mm
2
22 AWG
24 AWG
26 AWG
28 AWG
30 AWG
2-circuit
W-W
Amps
7
6.5
5.5
5
4
3
3
W-B
Amps
8.5
7
*6
5.5
4.5
*4
3.5
6-circuit
W-W
Amps
6
5
*4
4
3
*2
2
W-B
Amps
6.5
* 5.5
* 4.5
* 4.5
*4
*3
*3
12-circuit
W-W
Amps
5.5
4.5
* 3.5
3
2.5
*2
2
W-B
Amps
5.5
*5
*4
* 3.5
* 3.5
*3
* 2.5
24-circuit
W-W
Amps
5
*4
*3
*2
* 1.5
*1
*1
W-B
Amps
5
4.5
* 3.5
*3
2.5
*2
1
1)
2)
3)
4)
5)
6)
7)
Values are for REFERENCE ONLY.
Current deratings are based on not exceeding 30°C Temperature Rise.
Testing conducted using tinned stranded copper wire and tin plated terminals.
PCB trace design can greatly affect temperature rise results in Wire-to-Board applications.
Data is for all circuits powered.
* indicates interpolated information.
W-W:
Wire-to-Wire
W-B:
Wire-to-Board
REVISION:
ECR/ECN INFORMATION:
EC No:
UCP2018-0645
DATE:
2017/10/27
TITLE:
P
PRODUCT SPECIFICATION
MICRO-FIT
DUAL ROW CONNECTORS
CHECKED BY:
SHEET No.
2
of
10
APPROVED BY:
DOCUMENT NUMBER:
CREATED / REVISED BY:
PS-43045
SSOUSEK
JBELL
FSMITH
TEMPLATE FILENAME: PRODUCT_SPEC[SIZE_A](V.1).DOC
PRODUCT SPECIFICATION
4.3 CURRENT FOR TEST PLUG 44242
2.5 Amps Maximum (Pogo pin current capacity)
Test plugs are for testing purposes only and not intended for continuous use.
4.4 TEMPERATURE
Operating:
- 40°C to + 105°C (Including Terminal Temperature Rise)
Non-operating: - 40°C to + 105°C
REVISION:
ECR/ECN INFORMATION:
EC No:
UCP2018-0645
DATE:
2017/10/27
TITLE:
P
PRODUCT SPECIFICATION
MICRO-FIT
DUAL ROW CONNECTORS
CHECKED BY:
SHEET No.
3
of
10
APPROVED BY:
DOCUMENT NUMBER:
CREATED / REVISED BY:
PS-43045
SSOUSEK
JBELL
FSMITH
TEMPLATE FILENAME: PRODUCT_SPEC[SIZE_A](V.1).DOC
PRODUCT SPECIFICATION
5.0 PERFORMANCE
5.1 ELECTRICAL REQUIREMENTS
DESCRIPTION
Contact
Resistance
(Low Level)
Contact
Resistance of
Wire Termination
(Low Level)
Insulation
Resistance
Dielectric
Withstanding
Voltage
Capacitance
TEST CONDITION
Mate connectors: apply a maximum voltage
of 20 mV and a current of 100 mA.
(Does not include wire resistance)
Terminate the applicable wire to the terminal
and measure wire using a voltage of 20 mV
and a current of 100 mA.
Unmate & unmount connectors: apply a
voltage of 500 VDC between adjacent
terminals and between terminals to ground.
Unmate connectors: apply a voltage of {two
times the rated voltage plus 1000 volts} VAC
for 1 minute between adjacent terminals and
between terminals to ground.
Measure between adjacent terminals at 1
MHz.
REQUIREMENT
10 milliohms
MAXIMUM
[initial]
5 milliohms
MAXIMUM
[initial]
1000 Megohms
MINIMUM
No breakdown;
current leakage < 5 mA
2 picofarads
MAXIMUM
Mate connectors: measure the temperature
rise at the rated current after:
Temperature
1) 96 hours (steady state)
Rise
2) 240 hours (45 minutes ON and 15
(via Current Cycling)
minutes OFF per hour)
3) 96 hours (steady state)
Temperature rise:
+30°C MAXIMUM
5.2 MECHANICAL REQUIREMENTS
DESCRIPTION
Connector Mate
and
Unmate Forces
Crimp Terminal
Retention Force
(in Housing)
TEST CONDITION
Mate and unmate connector (male to female)
at a rate of 25 ± 6 mm (1 ± ¼ inch) per
minute. (Per circuit)
Axial pullout force on the terminal in the
housing at a rate of 25 ± 6 mm (1 ± ¼ inch)
per minute.
REQUIREMENT
8.0 N (1.8 lbf) per circuit
MAXIMUM mate force
&
2.4 N (0.5 lbf) per circuit
MINIMUM unmate force
24.5 N (5.5 lbf)
MINIMUM retention force
REVISION:
ECR/ECN INFORMATION:
EC No:
UCP2018-0645
DATE:
2017/10/27
TITLE:
P
PRODUCT SPECIFICATION
MICRO-FIT
DUAL ROW CONNECTORS
CHECKED BY:
SHEET No.
4
of
10
APPROVED BY:
DOCUMENT NUMBER:
CREATED / REVISED BY:
PS-43045
SSOUSEK
JBELL
FSMITH
TEMPLATE FILENAME: PRODUCT_SPEC[SIZE_A](V.1).DOC
PRODUCT SPECIFICATION
5.2 MECHANICAL REQUIREMENTS, cont.
Crimp Terminal
Insertion Force
(into Housing)
Durability
Apply an axial insertion force on the terminal
at a rate of 25 ± 6 mm (1 ± ¼ inch) per
minute.
Mate connectors up to 30 cycles at a
maximum rate of 10 cycles per minute.
Mate connectors and vibrate per EIA 364-28,
test condition
VII,
Letter D. Test Duration: 15
minutes each axis.
Mate connectors and shock at 50 g’s with ½
sine wave (11 milliseconds) shocks in the
±X,±Y,±Z axes (18 shocks total).
(Per EIA-364-27, Test Condition H)
14.7 N (3.3 lbf)
MAXIMUM insertion force
20 milliohms MAXIMUM
(change from initial)
20 milliohms MAXIMUM
(change from initial)
&
Discontinuity < 1 microsecond
20 milliohms MAXIMUM
(change from initial)
&
Discontinuity < 1 microsecond
MINIMUM pullout force
18 awg: 89.0 N (20.0 lbf)
0.75 mm2: 89.0 N (20.0 lbf)
20 awg: 57.8 N (13.0 lbf)
22 awg: 35.6 N (8.0 lbf)
24 awg: 22.2 N (5.0 lbf)
26 awg: 13.3 N (3.0 lbf)
28 awg: 8.9 N (2.0 lbf)
30 awg: 6.6 N (1.5 lbf)
Values may vary depending on
crimp tooling. Refer to Molex
Applicator Tooling
Specification.
Normal
Force
Pin to Header
Retention
2.7 N (0.6 lbf) MINIMUM
13.7 N (3.1 lbf)
MINIMUM pushout force
58.0 N (13.0 lbf)
MINIMUM Yield Strength
155.7 N (35 lbf)
MINIMUM pushout force
Vibration
(Random)
Shock
(Mechanical)
Wire
Pullout Force
(Axial)
(Wire from Terminal)
Apply an axial pullout force on the wire at a
rate of 25 ± 6 mm (1 ± ¼ inch) per minute.
Apply a perpendicular force.
Apply axial push force to pin at a rate of 25 ±
6 mm (1 ± ¼ inch) per minute.
Thumb Latch to
Full mate and then Unmate the connectors at
Ramp Yield Strength
a rate of 25 ± 6 mm (1 ± ¼ inch) per minute.
Panel Mount
Retention
Insert connector in panel. Apply an axial
force on the connector in the opposite
direction of insertion at a rate of 25 ± 6 mm
(1 ± ¼ inch) per minute.
REVISION:
ECR/ECN INFORMATION:
EC No:
UCP2018-0645
DATE:
2017/10/27
TITLE:
P
PRODUCT SPECIFICATION
MICRO-FIT
DUAL ROW CONNECTORS
CHECKED BY:
SHEET No.
5
of
10
APPROVED BY:
DOCUMENT NUMBER:
CREATED / REVISED BY:
PS-43045
SSOUSEK
JBELL
FSMITH
TEMPLATE FILENAME: PRODUCT_SPEC[SIZE_A](V.1).DOC
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