0.4 mm Contact Pitch, Board-to-FPC Connectors
BM14 Series
Mating Cross-Section Diagram (H = 0.8 mm type)
Molded structure
Two-point
contact system
Dec.1.2017 Copyright 2017 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Features
1. Two stacking height options
Two separate heights available: 0.8 and 1.3 mm
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 1.98 mm,
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 0.8 mm maintain the mating self-alignment
ra n g e o f 0 . 3 m m , s e c u r i n g e a s y m a t i n g
operations.
40
30
20
10
0
-10
Distance (mm)
Time
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 0.2 mm while
achieving complete insulation between the
bottom side of the receptacle and the board.
Image: 0.8 mm stacking height
Fig. 2
2015.2w
1
BM14 Series●0.4 mm Contact Pitch, Board-to-FPC Connectors
Product Specifications
Current
capacity
Ratings
Rated voltage
Item
1.Insulation resistance
2.Withstanding voltage
3.Contact resistance
30V AC, DC
Specification
Minimum of 500 Mø
No flashover or insulation breakdown
Maximum of 100 mø
No electrical discontinuity of 1 µs or longer
Contact resistance: Maximum of 100 mø
Insulation resistance: Minimum of 25 Mø
Contact resistance: Maximum of 100 mø
Insulation resistance: Minimum of 50 Mø
Contact resistance: Maximum of 100 mø
No deformation of components affecting
performance
100V DC
100V AC / 1 minute
20mV AC, 1 kHz, 1mA
Frequency: 10 to 55 Hz, single amplitude of 0.75
mm, 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
Storage temperature range
Storage humidity range
-10°C to +60°C (Note 2)
40% to 70% RH (Note 2)
Conditions
0.3A
Operating temperature range
Operating humidity range
-35°C to +85°C (Note 1)
20% to 80% RH
Dec.1.2017 Copyright 2017 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
Product
Receptacle
Header
Component
Insulator
Contacts
Material
LCP
Phosphor bronze
Color/Finish
Color: Black
Gold plated
Remarks
UL94V-0
− −
− −
Product Number Structure
Refer to this page when determining product specifications by model types. Please place orders with part numbers listed in
this catalog. The characteristics and specifications of the product described in this catalog are reference values. Please
make sure to check the latest delivery specifications at the time of product use.
●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: 0.4 mm
½
Termination type
V: SMT vertical mount
❾
Packaging
(51)
：Embossed
tape packaging (8,000 pieces per reel)
(52)
：
Embossed tape packaging with pick-and-place tape
(8,000 pieces per reel)
(55)
：Embossed
tape packaging (500 pieces per reel)
❹
Stacking heights: 0.8 mm, 1.3 mm
❺
Number of contacts:
2
BM14 Series●0.4 mm Contact Pitch, Board-to-FPC Connectors
H = 0.8 mm Receptacle
A
B
1.98
P=0.4
0.1
0.67
Dec.1.2017 Copyright 2017 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout (H = 0.8 mm)
With metal fittings
0.3±0.02
C±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)-22DS-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
684-8048-3 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
22
24
30
34
40
50
60
A
4.48
4.88
6.48
6.88
7.28
8.48
9.28
10.48
12.48
14.48
B
2.4
2.8
4.4
4.8
5.2
6.4
7.2
8.4
10.4
12.4
Unit: mm
HRS No.
684-8017-0 51
684-8039-2 51
684-8018-2 51
684-8046-8 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
26
28
34
38
44
54
64
A
4.48
4.88
6.48
6.88
7.28
8.48
9.28
10.48
12.48
14.48
B
2.4
2.8
4.4
4.8
5.2
6.4
7.2
8.4
10.4
12.4
Unit: mm
C
1.6
2.0
3.6
4.0
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)-26DS-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)
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●0.4 mm Contact Pitch, Board-to-FPC Connectors
H = 1.3 mm Receptacle
A
B
1.98
P=0.4
0.1
1.3
1.17
Dec.1.2017 Copyright 2017 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout (H = 1.3 mm)
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)
BM14EB(1.3)-50DS-0.4V(51)
HRS No.
684-8174-8 51
684-8178-9 51
No. of Contacts
40
50
A
10.48
12.48
B
8.4
10.4
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
9.6
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●0.4 mm Contact Pitch, Board-to-FPC Connectors
Connector for Conductivity Tests
A
B
1.98
P=0.4
0.1
0.67
Dec.1.2017 Copyright 2017 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB mounting pattern
With metal fittings
0.3±0.02
C±0.02
0.4±0.02
P=0.4±0.02
0.8
Without metal fittings
B±0.02
2.28
+0.05
0
0.2±0.02
0.41±0.02
2.28
+0.05
0
0
1.48
-0.05
0
1.48
-0.05
0.2±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
Unit: mm
HRS No.
684-8416-5 55
684-8417-8 55
684-8419-3 55
684-8418-0 55
684-8409-0 55
684-8410-9 55
684-8411-1 55
No. of Contacts
14
24
28
34
44
54
64
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
Unit: mm
C
1.6
3.6
4.4
5.6
7.6
9.6
11.6
Without metal fittings
Part No.
BM14JC-14DS-0.4V(55)
BM14JC-24DS-0.4V(55)
BM14JC-28DS-0.4V(55)
BM14JC-34DS-0.4V(55)
BM14JC-44DS-0.4V(55)
BM14JC-54DS-0.4V(55)
BM14JC-64DS-0.4V(55)
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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