常州压电式无源贴片蜂鸣器SMD-140040F顶发音 福鼎5V描 述
A. SCOPE
This specification appli piezo buzzer, SMD-140040F-05040TJ
B. SPECIFICATION
| . | Item | Unit | Specification | Condition |
1 | Oscillation Frequency | Hz | 4000 | Square Wave |
2 | Operating Voltage | Vp-p | 1~25 | |
3 | Rated Voltage | Vp-p | 5 | |
4 | Current Consumption | mA | MAX. 2 | at Rated Voltage |
5 | Sound Prsure Level | dB | MIN. 75 | at 10cm at Rated Voltage |
6 | Electrostatic Capacity | pF | 12000±30% | at 100Hz 1V |
7 | Operating Temperature | ℃ | -30~ +70 | |
8 | Storage Temperature | ℃ | -40 ~ +80 | |
9 | Dimension | mm | 14.1 x 14.1 x H4.3 | See appearance drawing |
10 | Weight (MAX) | gram | 1.2 | |
11 | Housing Material | LCP(Black ) | ||
12 | Leading Pin | Plated Br(Au) | See appearance drawing | |
13 | Environmental | RoHS |
C. APPEARANCE DRAWING 
Tol : ± 0.3 Unit: mm
D.TTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound prsure are measured by the measuring instruments shown below
In the measuring tt, buzzer is placed as follows:
E. Tical Frequency Rponse Curve
F. Soldering Condition
(1)Recommendable reflow soldering condition is as follows
(Reflow soldering is twice)
te:It is requted that reflow soldering should be executed after heat of product go down to rmal.
Heat ristant line
(Used when heat ristant reliability tt is performed)
(2)Manual soldering
Manual soldering temperature 350 ℃ within 5 sec.
G. RELIABILITY TT
. | ITEM | TT CONDITION AND REQUIREMENT |
1 | High Temperature | After being placed in a chamber with 80 |
2 | Low Temperature | After being Placed in a chamber with -40 |
3 | Humidity Tt | After being Placed in a chamber with 90-95% R.H. at 40 |
4 | Temperature Cycle | The part shall be subjected to 5 cycl. One cycle shall be consist of: |
5 | Drop Tt | Drop on a hard wood board of 4cm thick, any directions ,6 tim, at the height of 75cm . |
6 | Vibration Tt | After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . |
7 | Solderability | Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300 |
8 | Terminal Strength | The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. |
TT CONDITION.
Standard Tt Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Prsure : 860-1060mbar
Judgment Tt Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Prsure : 860-1060mbar
H. PACKING STANDARD 
江阴市福鼎通讯器材有限公司成立于1994年，生产各类蜂鸣器，喇叭，咪头产品。公司在蜂鸣器及讯响器件的领域已有20多年的经验，拥有完整、科学的质量管理体系，以及的自动化设备。
公司年产蜂鸣器过5000万个，其中贴片蜂鸣器销量过2000万片，过一半的贴片蜂鸣器被广泛应用于高端可穿戴设备及移动消费类电子中，在同行业。
为了产品的质量和性，我们拥有完善的管理和强大的研发团队。目前公司有将近20000平方米的现代化厂房，300多名员工，技术开发人员20多人。我们已经和来自香港、台湾、日本、韩国、加拿大，美国以及其他的客户建立长期的合作关系。
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