TROQ Electronic Co.,Ltd.
CRYSTAL UNIT SPECIFICATIONS
Customer
Production Name
Tuning Fork MD38
TROQ P/N
RN32768016
Revision
A
Print Date
2023/5/11
Drawn
Checked
Approved
No.777 Xianhua South Street Jinhua,Zhejiang,China TEL:86-579-83921892 FAX:86-579-83921880
http://www.troq.com
page 1
6
TROQ P/N:
●
RN32768016
REV:
A
ELECTRICAL PARAMETERS
谐振器产品技术指标
1.Holder Type(型号规格)
Min
Fundamental
32.768000
KHZ
12.5
pF
4.Load Capacitance (CL)(负载电容)
5.Shunt Capacitance (Co)(静态电容)
0
6.Equivalent Resistance(谐振电阻)
7.Frequency Tolerance at 25℃(调整频差)
-20
8.Stability over operation temperance(温度频差)
9.Insulation Resistance (at DC 100V)(绝缘电阻)
Units
Tuning Fork MD38
2.Mode of Oscillation(振动模式)
3.Frequency(标称频率)
Max
1
pF
70
kΩ
20
ppm
ppm
± 20
MΩ
500
10.Drive Level(激励功率)
uw
100
11.Operating Temperature Range(工作温度范围)
-40
85
℃
12.Storage Temperature Range(储存温度范围)
-55
125
℃
ppm/year
13.Aging(老化率)
±5
OUTLINE DIMENSIONS(UNIT:mm)外形尺寸(单位:mm)
Racsing Unit:3000pcs/reel
No.777 Xianhua South Street Jinhua,Zhejiang,China TEL:86-579-83921892 FAX:86-579-83921880
http://www.troq.com
page 2
TROQ P/N:
●
RN32768016
REV:
A
SUGGESTED REFLOW PROFILE (回流焊曲线图)
Total time:200sec.Max.
(总时间:200秒 最大)
Solder melting point:220℃(熔点220 ℃ )
Profiles Feature(特性)
Pb-Free Assembly
Average Ramp-up Rate(Ts max to Tp)
平均升温速度
3℃/second Max
Preheat
预热
■ Temperature Min (Ts min)
最低温度
125℃
■ Temperature Max (Ts max)
最高温度
200℃
■ Time (ts min to ts max )
从最低到最高时间
Time maintained above
维持上述时间
■ Temperature(T1)
温度
217℃
■ Time(tp)
时间
(60~150) seconds
Peak/Classification Temperature(Tp)
最高点温度
Time within 5℃ of actual Peak
Temperature(tp)
高温维持时间
(20~40) seconds
Ramp-down rate
降温速度
6℃/second max
Time 25℃ to Peak Temperature
从25℃到最高温度的时间
8 minutes max
Suggest reflow times
建议 reflow次数
(60~180) seconds
260 ℃
3 Times max
No.777 Xianhua South Street Jinhua,Zhejiang,China TEL:86-579-83921892 FAX:86-579-83921880
http://www.troq.com
page 4
TROQ P/N:
RN32768016
REV:
A
● PACKING(包装)
No.777 Xianhua South Street Jinhua,Zhejiang,China TEL:86-579-83921892 FAX:86-579-83921880
http://www.troq.com
page 4
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