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.)
Aug.1.2019 Copyright 2019 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.
2019.7④
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)
3. Withstanding voltage No flashover or dielectric breakdown
4. Durability
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.
Aug.1.2019 Copyright 2019 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
5. Vibration
6. Shock resistance
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, 18, 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
Recommended PCB layout
Aug.1.2019 Copyright 2019 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
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(**)
BM28B0.6-18DP/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 **
673-5093-0 **
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
18
20
24
30
34
36
40
44
50
58
60
A
2.97
3.67
4.72
5.07
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
2.80
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
3.66
4.01
4.71
5.76
6.46
6.81
7.51
8.21
9.26
D
1.36
2.06
3.11
3.46
3.81
4.51
5.56
6.26
6.61
7.31
8.01
9.06
E
3.85
4.55
5.60
5.95
6.30
7.00
8.05
8.75
9.10
9.80
10.50
F
3.17
3.87
4.92
5.27
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
Recommended PCB layout
Aug.1.2019 Copyright 2019 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
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(**)
BM28B0.6-18DS/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 **
673-5092-0 **
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
18
20
24
30
34
36
40
44
50
58
60
B
0.70
1.40
2.45
2.80
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
5.75
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
4.21
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
Aug.1.2019 Copyright 2019 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(**)
BM28B0.6-18DP/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
18
20
24
30
34
36
40
44
50
58
60
L
5.5
5.5
7.5
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
16
24
24
24
24
24
24
24
N
13.5
13.5
17.5
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
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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