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2mm Pitch Miniature Connector for HDD
A3E Series
sFeatures
1. Variation in Number of Contacts
This connector can be chosen according to applications, using together with other series products as follows: (1) Cable crimping type (A3B series) (2) Cable ID type (A3E series) (3) FFC connection type (MA18 series, A3C series) (However, the A3E series pin header corresponds to the A3E series socket only.) On the other hand, 44 contacts are available for AT bus connection, and 55 contacts for SCSI connection.
2. Batch Insulation Displacement
1 mm pitch ribbon cable can be insulated and displaced.
type without polarizing guide
3. Mechanism to Prevent Mis-insertion
The connector on the socket side contains a mechanism to prevent mis-insertion in the connector on the header side.
type with polarizing guide
sProduct Specifications
Rating Current rating: 0.5A Voltage rating: 125V AC Operating Temperature Range:-55 to +85c (Note 1) Storage Temperature Range:-10 to +60c (Note 2) Operating Moisture Range:40 to 80% Storage Humidity Range:40 to 70% (Note 2) Condition 250V DC 300V AC/1 minute 0.1A Frequency: 10 to 55 Hz, single amplitude of 0.75 mm, 2 hours in each of the 3 directions. 96 hours at temperature of 40c and humidity of 90% to 95% (-65c: 30 minutes 15 to 35c: 5 minutes max. (-125c: 30 minutes 15 to 35c: 5 minutes max.) 5 cycles 100 cycles Flow: 260c for 10 seconds Manual soldering: 300c for 3 seconds
Note 1: Includes temperature rise caused by current flow. Note 2: The term "storage" refers to products stored for long period of time prior to mounting and use. Operating Temperature Range and Humidity range covers non conducting condition of installed connectors in storage, shipment or during transportation.
Item 1. Insulation Resistance 2. Withstanding voltage 3. Contact Resistance 4. Vibration 1000M ohms min.
Specification No flashover or insulation breakdown. 40m ohms max. No electrical discontinuity of 1s or more
5. Humidity (Steady state) Insulation resistance: 1000M ohms min. 6. Temperature Cycle No damage, cracks, or parts looseness.
7. Durability (Mating/un-mating) Contact resistance: 50m ohms max. 8. Resistance to Soldering heat No deformation of components affecting performance.
sMaterial
Part Insulator Contact Pin header Socket Pin header Socket Material Polyamid PBT Brass Beryllium copper Selective gold plated Gold plated ------- Finish Black Remarks UL94V-0
C26
sOrdering Information
qPin Header
q Series Name
:A
A 3 E - * P A - 2 DSA
q w e r t y u i
w Series No.: 3 : double row e E: Box type housing r Number of contacts: 44, 50 t P: Pin header y A: Selective gold plated u Contact pitch : 2mm i Contact type: DSA : Straight dip type
qSocket
q Series Name w Series No. 3E
:A
A3E-*D-2R
q w e r t y u
: With polarizing guide
3EA : Without polarizing guide e Number of contacts: 44, 50 r D: Receptacle t Contact pitch: 2mm y Connection type: R : ID type
C27
sPin Header
BPCB mounting pattern
Unit: mm Part Number A3E-44PA-2DSA A3E-50PA-2DSA CL No. 621-0911-8 621-0914-6 A 52.0 58.0 B 42.0 48.0 C 49.2 55.2 D 45.0 51.0
C28
sSocket
qType with polarizing guide to prevent mis-insertion (A3E)
Body
Protector
Combination View
Unit: mm
Part Number A3E-44D-2R A3E-50D-2R
CL No. 621-0811-3 621-0814-1
A 49.0 55.0
B 42.0 48.0
C 43.0 49.0
D 44.3 50.3
C29
qType without polarizing guide to prevent false-insertion (A3EA)
Body
Protector
Combination View
Unit: mm
Part Number A3EA-44D-2R A3EA-50D-2R
CL No. 621-0861-1 621-0864-0
A 49.0 55.0
B 42.0 48.0
C 43.0 49.0
D
44.3 50.3
C30
sRecommended Cable for A3E Socket
(tin plating annealed steel wire) Ribbon Cable Number of Core wire Construction Contacts 44 50 (pc./mm)
7/0.127 7/0.127
A
44 50
B
43 49
BTable of A3E Series Connection Tools
qConnection Press
Part Number: HI-FLEX Connection Press HHP502 CL550-0082-2
qPressing Block
Part Number: Pressing Block A-01
CL550-0133-1
qApplicator
Universal Guide Plate Part Number: A3E-GPA CL550-0216-7
C31
MA18 Series
The MA18 series is a 2mm pitch FFC socket connector developed for miniature HDD and main port connection. 44 contacts are provided for AT bus connection.
sOrdering Information
MA18A - 44 D A - 2 DSE
q q Series Name : MA18A w Number of contacts : 32, 44 e Contact alignment : D : Double row r Contact plating type t Contact pitch : 2mm A : Selective gold plated w e r t y y Contact type (Straight type) DSA : Dip length 3mm DSB : Dip length 2.5mm DSC : Dip length 2mm DSE : Dip length 1.2mm
sVariation in Number of Contacts
Part Number MA18A-32DA-2DSE MA18A-44DA-2DSC MA18A-44DA-2DSE MA18A-44DA-2DSA MA18A-44DA-2DSB MA18A-44DA-2DSC MA18A-44DA-2DSE MA18M-44DA-2DSB CL No. --------588-0252-3 588-0246-0 588-0247-3 588-0255-1 588-0253-6 588-0251-0 588-0291-5 Remarks With extraction tab With extraction tab With extraction tab No extraction tab No extraction tab No extraction tab No extraction tab High profile mount type
Remark 1. The extraction tab is used to remove a cable nut in the engagement state. 2. 32 contacts = 0.76 and 40 contacts = 0.2 in the plating thickness.
C32
Variation in Connection between HDD and Main Board
sPin Heade
(1) Conventional product (used as conventional HDD interface pin header)
qStraight through hole type (see catalog page C15)
44 contacts : A3C-44P-2DSA (see photo) 50 contacts : A3C-50P-2DSA
qStraight SMT type (see catalog page C22)
44 contacts : A3-44PA-2SV (see photo) 50 contacts : A3-50PA-2SV (With boss type available)
qRight angle through hole type (see catalog page C13)
44 contacts : A3B-44PA-2DS (see photo) 50 contacts : A3B-50PA-2DS
(2) Box type product (Socket side prevents mis-insertion) qStraight through hole type(see catalog page C28)
44 contacts : A3E-44PA-2DSA (see photo) 50 contacts : A3E-50PA-2DSA Note: Correspond to A3E series socket only.
C33
sSocket
(1) Products suitable to various cables qDiscrete wire Crimping Type (see catalog page C19)
44 contacts: A3B-44D-2C Crimping contacts and crimping tools are detailed on page C20.
qRibbon Cable (1mm pitch) Batch ID Type (see catalog page C29)
44 contacts: A3E-44D-2R (see photo) 50 contacts: A3E-50D-2R Insulation displacement is detailed on page C31.
qFPC Connection Type
44 contacts: MA18A-44DA-1SE (photo)
50 contacts: A3E-50D-2R For a typical example, products are provided corresponding to various board thickness. For details, refer to page C17. (2) Right Angle through hole Type (see catalog page C15.)
( (
For a typical example, products are provided corresponding to various board thickness. For details, refer to page C32.
) )
44 contacts: A3-44DA-2DS (see photo) 50 contacts: A3-50DA-2DS
(3) Straight through hole Type
44 contacts: MA18A-44DA-2DSS (see photo) (See catalog page C32.) 50 contacts: A3C-50DA-2DSA (see catalog page C17.)
C34

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