Piezoelectric ceramic sheet
Patch
buzzer
Piezoelectric buzzer
Copper sheet
Iron sheet
12MM copper/20MM/27MM copper iron
Resonance frequency: 16.5 ± 0 7KHZ; 0 4 ± 0.5KHZ
Resonance impedance: ≤ 400 Ω; ≤ 300 Ω; ≤ 200 Ω
Capacitance: 5000 ± 30% PF; 15000 ± 30% PF; 28000 ± 30% PF
Golden roof board material: BRASS; Fe
Diameter of golden roof board (D): 12 ± 0.1; 20 ± 0.1; 27 ± 0.1
Ceramic chip direct acting (d): 10 ± 0.2; 15 ± 0.2; 20 ± 0.2
Thickness of golden roof slab (t): 0.13 ± 0.03; 0.22 ± 0.03; 0.13 ± 0.02;
Total thickness (H): 0.33 ± 0.05; 0.42 ± 0.05; 0.33 ± 0.02;
Maximum allowable voltage: Vp-p max 1.5-30v.
Working temperature range: -20 ℃~70 ℃
Appearance quality: flat and clean, without obvious mechanical damage.
Silver layer welding strength: Welding 0.15X7 multi-strand wires, bearing a vertical direction of 2 5N,
After a horizontal tensile force of 20N, there is no mechanical damage to the silver layer.
Bond strength: After bending the ceramic tile, there is no detachment of the tile, but cracking is allowed.
35MM/50MM COPPER
Resonance frequency: 2.6 ± 0.5KHZ; 3.2 ± 0.3KHZ
Resonance impedance: ≤ 250 Ω; ≤ 200 Ω
Capacitance: 35000 ± 30% PF; 42000 ± 30% PF
Golden roof board material: BRASS
Diameter of golden roof board (D): 35 ± 0.1; 50 ± 0.1
Ceramic plate direct acting (d): 25 ± 0.2
Thickness of gold roof board (t): 0.18 ± 0.02
Total thickness (H): 0.43 ± 0.03; 0.45 ± 0.03
Maximum allowable voltage: Vp-p max 1.5-30v.
Working temperature range: -20 ℃~70 ℃
Appearance quality: flat and clean, without obvious mechanical damage.
Silver layer welding strength: Welding 0.15X7 multi-strand wires, bearing a vertical direction of 2 5N,
After a horizontal tensile force of 20N, there is no mechanical damage to the silver layer.
Bond strength: After bending the ceramic tile, there is no detachment of the tile, but cracking is allowed.
Specifications:
Buzzer 12MM copper (20 pieces)
Buzzer 20MM iron (20 pieces)
Buzzer 20MM copper (20 pieces)
Buzzer 27MM iron (20 pieces)
Buzzer 27MM copper (10 pieces)
Buzzer 35MM copper (5 pieces)
Buzzer 50MM copper (2 pieces)
Piezoelectric buzzer x1pcs
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Payment must be completed within 7 dys.
PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.
Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment.
Shipping:
We Ship to Worldwide.
Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed.
We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address.
Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered)
Items are shipped via China Post Air Mail.
Guarantee:
Good Good quality. Buy with confidence!
If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.
Not accept returning of electronic components.
Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer.
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