0.35mm pitch, 0.6mm height, Board to Board or Board to FPC Connectors with Rated Current Up to 5A
BM28 Series
Conventional
article
(P=0.35mm,
20pos.)
Dec.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
BM28-10pos.
(+2pos. for
power)
Power lines are concentrated into 2 power contacts
instead of conventional multiple signal contacts.
■Features
1. Rated current 5A
2 Power contacts up to 5A with 0.2A contacts for
signal, space-saving connector.
Usage specification
USB
NFC
Battery
Camera
Earphone jack
2. Highly reliable contact design
2-point contact design for both power & signal
ensures a highly reliable contact
3. Good mating operation
Guide ribs ensure 0.3mm self-alignment. Clear
tactile click prevents partial mating, increases mating
operability.
LCD
Main board
Interface connector
4. Supports USB3.1 Gen.2 (10Gbps) transmission
Signal connector supports USB3.1 Gen.2 transmission
signals.
■Usage
Devices designed to be thinner and smaller, such
as mobile phone, wearable device, tablet PC.
Contact design
■Environmental
・
Halogen-free
*
As defined by IEC 61249-2-21
Br : 900ppm max, Cl : 900ppm max
Br+Cl :1500ppm max
Power contact :
2-point contact
Signal contact :
2-point contact
In cases where the application will demand a high level of reliability, such as automotive,
please contact a company representative for further information.
2018.9③
1
BM28 Series●0.35mm pitch, 0.6mm height, Board to Board or Board to FPC Connectors with Rated Current Up to 5A
■Product
Specifications
Ratings
Power contact : 5A
Operating
Rated
Storage
Signal contact : 40 contacts and under : 0.3A
-40 to 85°C (Note 2)
-10 to 60ç (Note 3)
temperature range
current
temperature range
44 contacts and more : 0.2A (Note 1)
Rated
voltage
Items
1. Contact resistance
2. Insulation resistance
30V AC/DC
Specifications
Signal contact : 100mø max.
Power contact : 30mø max.
1000Mø min.
Operating
humidity range
20 to 80%
Storage
humidity range
Conditions
Measured at 20mV AC, 1kHz, and 1mA
Measured at 100V DC
150V AC for 1 minute
10 mating cycles
Frequency : 10 to 55Hz ; half amplitude of 0.75mm,
10 cycles in each of 3 axis directions for 5 minutes/cycle
Acceleration : 450m/s , duration : 11ms, 3-axis half-
sine wave in both directions, 3 cycles for each
96 hours at a temperature of 40 ±2ç and
a humidity range from 90 to 95%
-55±3ç : 30 minutes
➝
85±2ç : 30 minutes,
5 cycles
Reflow : with recommended temperature profile ;
Hand soldering at soldering iron temperature of
350ç for 3 seconds max.
2
40 to 70% (Note 3)
Dec.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
3. Withstanding voltage No flashover or dielectric breakdown
4. Durability
5. Vibration
6. Shock resistance
Contact resistance : Signal contact : 100mø max.
Power contact : 30mø max.
No electrical discontinuity for more than 1µs.
No electrical discontinuity of 1µs or more.
Contact resistance : Signal contact : 100mø max.
Power contact : 30mø max.
Insulation resistance : 100Mø min.
Contact resistance : Signal contact : 100mø max.
Power contact : 30mø max.
Insulation resistance : 100Mø min.
No dissolution or melting of the resin that will
affect the performance.
7. Humidity
8. Temperature cycle
9. Solder heat
resistance
Note 1 : The total current capacity for connectors with 50 or more signal contacts is 10A for all contacts. (Signal contact only)
Note 2 : Includes temperature rise caused by current flow.
Note 3 : Storage refers to long-term-storage of unused items before they are mounted on the PCB.
Operating temperature / humidity range applies to the state of temporary storage such as non-powered after mounting on the
PCB, and during transportation, etc.
■Materials
/ Finish
Product
Receptacle
Header
Part
Insulator
Signal contact
Power contact
Materials
LCP
Copper alloy
Copper alloy
Finish
Black
Gold plated
Gold plated
UL Regulation
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.
●Receptacle
/ Header
BM 28 B 0.6 −
*
DS / 2 − 0.35 V (
**
)
❶
❷
❸
❹
❺
❻
❼
½
❾
❶
Series Name : BM
❷
Series No. : 28
❸
Stacking height : 0.6mm
❹
Number of Signal Contacts :
6, 10, 16, 20, 24, 30, 34, 36, 40, 44, 50, 58, 60
❺
Connector type
DS : Receptacle
DP : Header
❻
Number of Power Contacts : 2
❼
Contact Pitch : 0.35mm
½
Termination type
V : Straight SMT
❾
Gold plated specification and packaging status
(51) : Gold plate thickness 0.05µm
Embossed tape packaging (20,000 pcs/reel)
(53) : Gold plate thickness 0.05µm
Embossed tape packaging (1,000 pcs/reel)
2
BM28 Series●0.35mm pitch, 0.6mm height, Board to Board or Board to FPC Connectors with Rated Current Up to 5A
■Header
P=0.35
1.5
0.85
A
B
0.32
C
Dec.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout
0.52±0.02
0
0.57
-0.05
D±0.02
1.05
+0.05
0
B±0.02
0
0.25
-0.05
E MIN
F MIN
1.8
+0.05
0
P=0.35±0.02
0.18±0.02
Recommended metal mask dimensions (mask thickness : 80µm)
0.52±0.01
1.8±0.01
0.57±0.01
D±0.02
P=0.35±0.01
0.33±0.01
0.97±0.01
B±0.02
0.18±0.01
1.9MIN
Insulation area
(Pattern prohibited area)
0.465
0.12
Unit
：mm
Part No.
BM28B0.6-6DP/2-0.35V(**)
BM28B0.6-10DP/2-0.35V(**)
BM28B0.6-16DP/2-0.35V(**)
BM28B0.6-20DP/2-0.35V(**)
BM28B0.6-24DP/2-0.35V(**)
BM28B0.6-30DP/2-0.35V(**)
BM28B0.6-34DP/2-0.35V(**)
BM28B0.6-36DP/2-0.35V(**)
BM28B0.6-40DP/2-0.35V(**)
BM28B0.6-44DP/2-0.35V(**)
BM28B0.6-50DP/2-0.35V(**)
BM28B0.6-58DP/2-0.35V(**)
BM28B0.6-60DP/2-0.35V(**)
HRS No.
673-5047-0 **
673-5043-0 **
673-5066-0 **
673-5039-0 **
673-5024-0 **
673-5020-0 **
673-5064-0 **
673-5026-0 **
673-5018-0 **
673-5049-0 **
480-0397-0 **
480-0378-0 **
673-5037-0 **
No. of contacts
6
10
16
20
24
30
34
36
40
44
50
58
60
A
2.97
3.67
4.72
5.42
6.12
7.17
7.87
8.22
8.92
9.62
10.67
12.07
B
0.70
1.40
2.45
3.15
3.85
4.90
5.60
5.95
6.65
7.35
8.40
9.80
C
1.56
2.26
3.31
4.01
4.71
5.76
6.46
6.81
7.51
8.21
9.26
D
1.36
2.06
3.11
3.81
4.51
5.56
6.26
6.61
7.31
8.01
9.06
E
3.85
4.55
5.60
6.30
7.00
8.05
8.75
9.10
9.80
10.50
F
3.17
3.87
4.92
5.62
6.32
7.37
8.07
8.42
9.12
9.82
11.55 10.87
10.66 10.46 12.95 12.27
12.42 10.15 11.01 10.81 13.30 12.62
Note 1 : Please place orders in full reel quantities.
Note 2 : This connector has no polarity.
3
BM28 Series●0.35mm pitch, 0.6mm height, Board to Board or Board to FPC Connectors with Rated Current Up to 5A
■Receptacle
G
B
P=0.35
1.7
0.12
0.28
H
Dec.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
Recommended PCB layout
H±0.02
B±0.02
0.35±0.02
2 0
+0.05
0
0
1.18
-0.05
0.53±0.02
1.8
+0.05
0
0.18±0.02
Insulation area
Recommended metal mask dimensions (mask thickness : 80µm)
H±0.02
B±0.02
P=0.35±0.01
1.18±0.01
2±0.01
0.53±0.01
1.8±0.01
0.18±0.01
0.6
Unit
：mm
Part No.
BM28B0.6-6DS/2-0.35V(**)
BM28B0.6-10DS/2-0.35V(**)
BM28B0.6-16DS/2-0.35V(**)
BM28B0.6-20DS/2-0.35V(**)
BM28B0.6-24DS/2-0.35V(**)
BM28B0.6-30DS/2-0.35V(**)
BM28B0.6-34DS/2-0.35V(**)
BM28B0.6-36DS/2-0.35V(**)
BM28B0.6-40DS/2-0.35V(**)
BM28B0.6-44DS/2-0.35V(**)
BM28B0.6-50DS/2-0.35V(**)
BM28B0.6-58DS/2-0.35V(**)
BM28B0.6-60DS/2-0.35V(**)
HRS No.
673-5048-0 **
673-5044-0 **
673-5067-0 **
673-5040-0 **
673-5025-0 **
673-5021-0 **
673-5065-0 **
673-5027-0 **
673-5019-0 **
673-5050-0 **
480-0396-0 **
480-0377-0 **
673-5038-0 **
No. of contacts
6
10
16
20
24
30
34
36
40
44
50
58
60
B
0.70
1.40
2.45
3.15
3.85
4.90
5.60
5.95
6.65
7.35
8.40
9.80
10.15
G
3.65
4.35
5.40
6.10
6.80
7.85
8.55
8.90
9.60
10.30
11.35
12.75
13.10
H
2.11
2.81
3.86
4.56
5.26
6.31
7.01
7.36
8.06
8.76
9.81
11.21
11.56
Note 1 : Please place orders in full reel quantities.
Note 2 : This connector has no polarity.
4
BM28 Series●0.35mm pitch, 0.6mm height, Board to Board or Board to FPC Connectors with Rated Current Up to 5A
Embossed Tape Dimensions (IEC 60286-3, with JIS C 0806)
●Header
1.75±0.1
●Reel
dimensions
L±0.1
Ø1
3±
0.2
Ø1.5
+0.1
0
4±0.1
4±0.1
2±0.1
K
K-K
Product label
2±0.5
Ø380±2 (Note)
0°
M±0.3
Dec.1.2018 Copyright 2018 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
J
J
K
0.2±0.1
0.65±0.15
Note : Specification 53 is Ø180±2.
N±0.5
Q±1
J-J
Un-reeling direction
Unit
：mm
Part No.
BM28B0.6-6DP/2-0.35V(**)
BM28B0.6-10DP/2-0.35V(**)
BM28B0.6-16DP/2-0.35V(**)
BM28B0.6-20DP/2-0.35V(**)
BM28B0.6-24DP/2-0.35V(**)
BM28B0.6-30DP/2-0.35V(**)
BM28B0.6-34DP/2-0.35V(**)
BM28B0.6-36DP/2-0.35V(**)
BM28B0.6-40DP/2-0.35V(**)
BM28B0.6-44DP/2-0.35V(**)
BM28B0.6-50DP/2-0.35V(**)
BM28B0.6-58DP/2-0.35V(**)
BM28B0.6-60DP/2-0.35V(**)
No. of contacts
6
10
16
20
24
30
34
36
40
44
50
58
60
L
5.5
5.5
7.5
7.5
7.5
7.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
M
12
12
16
16
16
16
24
24
24
24
24
24
24
N
13.5
13.5
17.5
17.5
17.5
17.5
25.4
25.4
25.4
25.4
25.4
25.4
25.4
Q
17.5
17.5
21.5
21.5
21.5
21.5
29.4
29.4
29.4
29.4
29.4
29.4
29.4
Ø80±1
12
1
Ø2
±0
.8
Ø1.5 feed hole
diameter
0
12
°
5
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