Doorbell speaker:
Doorbell speaker is a kind of micro speaker unit which uses a diaphragm made of Mylar material. Doorbell speakers are of ultrathin design and lightweight and clear voice. It is widely used in building security industry (e.g. intercom, video door phone, intelligent door control..)
There are two types of Mylar speakers from the shapes:
1) Round shapes, we have products from 10mm to 57mm in diameter.
2) Oblong shape, we have products in sizes of 1510/1712/1813-..
FAQ
Q1. What is the MOQ? Doorbell Speaker,Doorphone Speaker,Video Doorphone Speaker,Doorbell Wireless Speakers Shenzhen Xuanda Electronics Co., Ltd. , https://www.xdecspeaker.com  Gongtao company specializes in supplying ceramic connecting terminal support, ceramic accessory, electrothermal ceramic accessory, ceramic connector, ceramic tie-in, ceramic terminal, ceramic connector platform, tie-in for electric cooker, tie-in for burner, porcelain tie-in. (glazing surface and no glazing surface). We can produce and assemble based on the customers'requirement. There are 3-pole, 4-pole, 5-pole or, more connections can be assembled and chose freely. There are 1 line/2 line/3 line and 20 lines can be assembled freely. Various types such as coated ferronickel part or brass and stainless steel ect can be chosen. It can endure 600 C high temperature.
Porcelain tie-in for burner: It is produced by steatite hot press pouring technique. The measurement is very precise. We can produce and assemble based on the customers'requirement. There are 1-pole, 2-pole, 3-pole. There are various types such as coated ferronickel part or brass and stainless steel ect can be choosen. It can endure 425 C high temperature.
It is produced by steatite hot press pouring technique. Glazing or no glazing dull polish finish for ceramic surface. The measurement is very precise. We can produce and assemble based on the customers'requirement. There are plating nickel silver, brass connector terminal, galvanized surface for screw or plating nickel finish can be choosen. It can endure 425 C high temperature. This item is widely used in this case of strict various connector terminal with high temperature around.
The items have high insulation, fireproof, high temperature resistance, high mechanical strength.
Property of item: Aging-resistance, high temperature resistance, good insulation, high strength, good stability. It can applied to different environment. It can satisfy connection of mechanical devise which require rigorous temperature and environment.
Ration of voltage and current: 110V-600V 3A-75A
High porcelain connector terminal tie-in for burner: It is produced by steatite hot press pouring technique. The measurement is very precise. We can produce and assemble based on the customers'requirement. There are 1-pole, 2-pole, 3-pole. There are various types such as coated ferronickel part or brass and stainless steel ect can be choosen. It can endure 425 C high temperature.
Property of item:
Insulation, high & low temperature resistance, good shock resistance; No-distortion when heated in use. And when the air temperature is changed greatly, the body will not shrink or break. Linked to circuitry closely, the effect of dust proof and water proof can be reached.
Ceramic connector terminal:
Material of body: Steatite or alumina, which can bear high temperature test.
Technical utilize: Hot press pouring technics, which can control the required tolerance to a range. The size is very precise.
The required connecting hardware fittings used in interior line of electric equipment is copper. It can be galvanized, all choose high quality environmental protection hardware fittings material, accord with ROHS standard.
There are 1-pole, 2-pole, 3-pole. There are various types such as coated ferronickel or brass and stainless steel terminal ect.
We can produce and assemble based on the customers'requirement. Speedy delivery, reasonable price.
Rated current: 5A, 10A, 15A, 30A 50-200A Rated voltage: 110V 600V
Strength of Electric breakdown strength
15-20KV/mm
Coefficient of linear expansion
(6.5_8)×
Tolerance of size
≤±0.1mm
Application domain
Widely used in power supply connecting,top grade sockets and sockets for special industry,power supply,transformer,instrument,TV set,autocar ect.It is ideal choice for customer in different industries.
Item
Specification
Material
Length
Width
Height/thickness
 Ampere A
Ceramic connector(plain)
 One wire,two holes(small two holes)
Plain ceramic
20
10
13
5 A
Big two holes
Plain ceramic
Â
Â
Â
10 A
Small four holes
Plain ceramic
21
21
15
5 A
Big four holes
Plain ceramic
32
28
22
10 A
Small five holes
Plain ceramic
28
21
14
5 A
Big five holes
Plain ceramic
36
29
21
10 A
Small six holes
Plain ceramic
28
21
16
5 A
Big six holes
Plain ceramic
37
29
21
10 A
Ceramic connector(high frequency)
 One wire,two holes(small two holes)
High frequency ceramic
18
9
13
5 A
Big two holes
High frequency ceramic
27
15
19
10 A
Small five holes
High frequency ceramic
20
18
15
5 A
Big five holes
High frequency ceramic
30
27
19
10 A
Medium five holes
High frequency ceramic
29
21
14
5 A
Small six holes
High frequency ceramic
Â
Â
Â
5 A
Small eight holes
High frequency ceramic
Â
Â
Â
5 A
Big six holes
High frequency ceramic
36
30
20
10 A
Big eight holes
High frequency ceramic
52
30
21
20A
Large-size big five holes
High frequency ceramic
42
31
26
30A
XL size big five holes
High frequency ceramic
45
34
30
50A
Two wires connecting row
High frequency ceramic
32
23
12
20-30A
Bridge connecting terminal
Bridge ceramic tie-inHigh frequency ceramic
80
24
18
30A
Hatch ceramic tie-in
High frequency ceramic
41
32
23
30A
Small ten holes
High frequency ceramic
48
16
14
5A-10A
Big ten holes
High frequency ceramic
55
30
20
20A
Connecting row five rows
High frequency ceramic
98
34
34
20A-30A
Biggest hatch tie-in
High frequency ceramic
115
66
40
100A-200A
XDEC: 2000pcs for one model.
Q2. What is the delivery lead time?
XDEC: 15 days for normal orders, 10 days for urgent orders.
Q3. What are the payment methods?
XDEC: T/T, PayPal, Western Union, Money Gram.
Q4. Can you offer samples for testing?
XDEC: Yes, we offer free samples.
Q5. How soon can you send samples?
XDEC: We can send samples in 3-5 days.
Steatite Ceramic Terminal Blocks
Model NO.: GT-297
Shape: Rectangular
Finish: Glazed or No Glazing
Way: 2,3,4,5 ,8,10
material: Alumina Ceramic,Steatite,Porcelain
Current: 5A,10A,15A,25A,45A
Purpose: for Wiring Connection
Trademark: shangtao
Transport Package: Plywood Case or Carton
Specification: Rohs
Origin: China
HS Code: 8547100000