0.4mm Contact Pitch Board-to-FPC Connectors
BM14 Series
Mating Cross-Section Diagram (H = 0.8mm type)
Molded structure
Two-point
contact system
Oct.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Features
1. Two stacking height options
Two separate heights available : 0.8 and 1.3mm
Molded structure
The molded structure provides security and
insulation between the terminals and the board
2. Ultra space-saving design
With its drastically reduced depth of 1.98mm,
this series can fit in the tightest designs.
Fig.1
Solid mating feedback
Dimple on contact
Point A
3. Two point contact system
The two point contact structure encloses the
plug contacts and assures a completely secure
connection. (Fig.1)
4. Superior tactile feedback
A clear tactile click is delivered upon the
successful completion of the mating process.
(Fig. 2)
5. Drop and shock resistant structure
Dimples were designed into the plug contacts ;
they increase retention force and absorb shock
when dropped.
Insertion force
70
60
50
6. User friendly operations
Insertion force (N)
The low-profile connectors with stacking height
of 0.8mm maintain the mating self-alignment
range of 0.3mm, securing easy mating
operations.
40
30
20
10
0
-10
Time
Distance (mm)
Clear tactile
feeling
7. No pattern prohibited area
No restrictions on PCB layout patter n are
imposed, as thin molding technology maintains
the effective mating length of 0.2mm while
achieving complete insulation between the
bottom side of the receptacle and the board.
Image : 0.8mm stacking height
Fig.2
In cases where the application will demand a high level of reliability, such as automotive,
please contact a company representative for further information.
2018.1e
1
BM14 Series●0.4mm Contact Pitch Board-to-FPC Connectors
Product Specifications
Ratings
Current
capacity
Rated voltage
Item
1.Insulation resistance
2.Withstanding voltage
3.Contact resistance
0.3A
30V AC, DC
Specification
Minimum of 500Mø
No flashover or insulation breakdown
Maximum of 100mø
No electrical discontinuity of 1µs or longer
Contact resistance : Maximum of 100mø
Insulation resistance : Minimum of 25Mø
Contact resistance : Maximum of 100mø
Insulation resistance : Minimum of 50Mø
Contact resistance : Maximum of 100mø
No deformation of components affecting
performance
100V DC
100V AC / 1minute
20mV AC, 1kHz, 1mA
Frequency : 10 to 55Hz, single amplitude of 0.75mm,
2 hours in each of the 3 directions
96 hours at 40 ±2ç and humidity of 90 to 95%
Temperature : -55ç
➝
5 to 35ç
➝
85°C
➝
5 to 35ç
Time : 30
➝
10
➝
30
➝
10 (minutes)
5 cycles
10 mating cycles
Reflow : At the recommended temperature profile
Manual soldering: 350ç for 3 seconds
Operating temperature range
Operating humidity range
Storage temperature range
Storage humidity range
-35°C to +85°C (Note 1)
20% to 80% RH
-10°C to +60°C (Note 2)
40% to 70% RH (Note 2)
Conditions
Oct.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
4.Vibration
5.Humidity
6.Temperature cycle
7.Durability
(mating/unmating)
8.Resistance to soldering
heat
Note 1 : Includes temperature rise caused by current flow.
Note 2 : The term "storage" here refers to products stored for a long period prior to board mounting and use. The operating
temperature and humidity range covers the non-energized condition of connectors after board mounting and the
temporary storage conditions during transportation, etc.
Materials / Finish
Product
Receptacle
Header
Component
Insulator
Contacts
Material
LCP
Phosphor bronze
Color/Finish
Color: Black
Gold plated
Remarks
UL94V-0
− −
− −
Product Number Structure
Refer to the chart below when determining the product specifications from the product number.
Please select from the product numbers listed in this catalog when placing orders.
●Receptacles
/ Headers
BM 14 # (
**
) −
*
DS − 0.4 V (
**
)
❶
❷
❸
❹
❺
❻
❼
½
❾
❶
Series name : BM
❷
Series No. : 14
❸
Configuration
B
C
EB
EC
JB
JC
:
With metal fittings
:
Without metal fittings
:
With metal fittings
:
Without metal fittings
:
Connector for conductivity tests, with metal fittings
:
Connector for conductivity tests, without metal fittings
❻
Connector style
DS : Double-row receptacle
DP : Double-row plug
❼
Contact pitch : 0.4mm
½
Termination type
V : SMT vertical mount
❾
Packaging
(51)
:
Embossed tape packaging (8,000 pcs/reel)
(52)
:
Embossed tape packaging with pick-and-
place tape (8,000 pcs/reel)
(55)
:
Embossed tape packaging (500 pcs/reel)
❹
Stacking heights : 0.8mm, 1.3mm
❺
Number of contacts :
2
BM14 Series●0.4mm Contact Pitch Board-to-FPC Connectors
H = 0.8mm Receptacle
A
B
1.98
P=0.4
0.1
0.67
Oct.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout (H = 0.8mm)
With metal fittings
C±0.02
0.3±0.02
0.4±0.02
P=0.4±0.02
0.8
Without metal fittings
B±0.02
2.28
+0.05
0
2.28
+0.05
0
0.2±0.02
0.41±0.02
0
1.48
-0.05
0
1.48
-0.05
0.2±0.02
With metal fittings
Part No.
BM14B(0.8)-10DS-0.4V(51)
BM14B(0.8)-12DS-0.4V(51)
BM14B(0.8)-20DS-0.4V(51)
BM14B(0.8)-24DS-0.4V(51)
BM14B(0.8)-30DS-0.4V(51)
BM14B(0.8)-34DS-0.4V(51)
BM14B(0.8)-40DS-0.4V(51)
BM14B(0.8)-50DS-0.4V(51)
BM14B(0.8)-60DS-0.4V(51)
HRS No.
684-8003-5 51
684-8041-4 51
684-8004-8 51
684-8005-0 51
684-8006-0 51
684-8007-6 51
684-8008-9 51
684-8009-1 51
684-8001-0 51
No. of Contacts
10
12
20
24
30
34
40
50
60
A
4.48
4.88
6.48
7.28
8.48
9.28
10.48
12.48
14.48
B
2.4
2.8
4.4
5.2
6.4
7.2
8.4
10.4
12.4
Unit : mm
C
1.6
2.0
3.6
4.4
5.6
6.4
7.6
9.6
11.6
Without metal fittings
Part No.
BM14C(0.8)-14DS-0.4V(51)
BM14C(0.8)-16DS-0.4V(51)
BM14C(0.8)-24DS-0.4V(51)
BM14C(0.8)-28DS-0.4V(51)
BM14C(0.8)-34DS-0.4V(51)
BM14C(0.8)-38DS-0.4V(51)
BM14C(0.8)-44DS-0.4V(51)
BM14C(0.8)-54DS-0.4V(51)
BM14C(0.8)-64DS-0.4V(51)
HRS No.
684-8017-0 51
684-8039-2 51
684-8018-2 51
684-8019-5 51
684-8020-4 51
684-8021-7 51
684-8022-0 51
684-8023-2 51
684-8024-5 51
No. of Contacts
14
16
24
28
34
38
44
54
64
A
4.48
4.88
6.48
7.28
8.48
9.28
10.48
12.48
14.48
Unit : mm
B
2.4
2.8
4.4
5.2
6.4
7.2
8.4
10.4
12.4
Note 1 : Please place orders in full reel quantities.
Note 2 : The only difference between "with metal fittings" and "without metal fittings" is that the contacts at the four corners will be
used as reinforcing metal fittings or signal contacts. There is no difference in the performance or dimensions of the connector.
Note 3 : This connector is NOT polarized.
3
BM14 Series●0.4mm Contact Pitch Board-to-FPC Connectors
H = 1.3mm Receptacle
A
B
1.98
P=0.4
0.1
1.3
1.17
Oct.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout (H = 1.3mm)
With metal fittings
0.285±0.02
P=0.4±0.02
C±0.02
P=0.4±0.02
Without metal fittings
B±0.02
+0.05
0
2.28
+0.05
0
0.2±0.02
0.43±0.02
2.28
1.24
-0.05
0
1.48
-0.05
0
0.2±0.02
With metal fittings
Part No.
BM14EB(1.3)-40DS-0.4V(51)
HRS No.
684-8174-8 51
No. of Contacts
40
A
10.48
B
8.4
Unit : mm
HRS No.
684-8155-3 51
684-8157-9 51
No. of Contacts
44
54
A
10.48
12.48
B
8.4
10.4
Unit : mm
C
7.6
Without metal fittings
Part No.
BM14EC(1.3)-44DS-0.4V(51)
BM14EC(1.3)-54DS-0.4V(51)
Note 1 : Please place orders in full reel quantities.
Note 2 : The only difference between "with metal fittings" and "without metal fittings" is that the contacts at the four corners will
be used as reinforcing metal fittings or signal contacts. There is no difference in the performance or dimensions of the
connector.
Note 3 : This connector is NOT polarized.
4
BM14 Series●0.4mm Contact Pitch Board-to-FPC Connectors
Connector for Conductivity Tests
A
B
1.98
P=0.4
0.1
0.67
Oct.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB mounting pattern
With metal fittings
C±0.02
0.3±0.02
0.4±0.02
2.28
+0.05
0
0
1.48
-0.05
0.2±0.02
0.41±0.02
With metal fittings
Part No.
BM14JB-10DS-0.4V(55)
BM14JB-20DS-0.4V(55)
BM14JB-24DS-0.4V(55)
BM14JB-30DS-0.4V(55)
BM14JB-40DS-0.4V(55)
BM14JB-50DS-0.4V(55)
BM14JB-60DS-0.4V(55)
HRS No.
684-8225-7 55
684-8226-0 55
684-8227-2 55
684-8228-5 55
684-8230-7 55
684-8231-0 55
684-8232-2 55
No. of Contacts
10
20
24
30
40
50
60
A
4.48
6.48
7.28
8.48
10.48
12.48
14.48
B
2.4
4.4
5.2
6.4
8.4
10.4
12.4
0.8
Unit : mm
C
1.6
3.6
4.4
5.6
7.6
9.6
11.6
Note 1 : Please place orders in full reel quantities.
Note 2 : The only difference between "with metal fittings" and "without metal fittings" is that the contacts at the four corners will
be are used as reinforcing metal fittings or signal contacts. There is no difference in the performance or dimensions of
the connector.
Note 3 : This connector is NOT polarized.
5
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