WH2920 Series SMD Resettable Fuse

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WH2920 Series SMD Resettable Fuse
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WH2920 Series SMD Resettable Fuse

Introduction

SMD type, lead-free, roll-reel packaging for automated assembly, used in high-density circuit boards, working current: 0 3-3 0A Operating Voltage :6-60V, Working temperature: -40 ℃ -85 ℃

Product Number：	Category：SMD Fuses
Hits：	Order Hotline：400-0503-668

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SMD Resettable Fuse

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WH2920 Series SMD Resettable Fuse

Performance Specification （25℃）

Model 型号	Vmax	Imax	Ih	It	Pd	Time to trip		Resistance
Model 型号	V	A	A	A	W	Current(A)	Time(s)	Rmin(Ω)	R1max(Ω)
WH2920-030	60.0	10	0.30	0.60	1.5	1.5	3.0	1.000	5.000
WH2920-050	60.0	20	0.50	1.00	1.5	2.5	4.0	0.350	1.300
WH2920-075	30.0	40	0.75	1.50	1.5	8.0	0.3	0.300	1.000
WH2920-100	30.0	40	1.00	2.00	1.5	8.0	0.5	0.100	0.400
WH2920-125	15.0	40	1.25	2.50	1.5	8.0	2.0	0.080	0.300
WH2920-150	15.0	40	1.50	3.00	1.5	8.0	2.0	0.050	0.230
WH2920-185	15.0	40	1.85	3.70	1.5	8.0	2.5	0.040	0.130
WH2920-200	15.0	40	2.00	4.00	1.5	8.0	4.5	0.030	0.100
WH2920-250	8.0	40	2.50	5.00	1.5	8.0	16.0	0.025	0.085
WH2920-260	8.0	40	2.60	5.20	1.5	8.0	20.0	0.025	0.075
WH2920-300	6.0	40	3.00	6.00	1.5	8.0	20.0	0.020	0.060

Dimensions （mm）

Model 型号	A		B		C		D	E
Model 型号	Min	Max	Min	Max	Min	Max	Min	Min
WH2920-030	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-050	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-075	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-100	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-125	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-150	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-185	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-200	6.73	7.98	4.80	5.44	0.60	1.00	0.40	0.30
WH2920-250	6.73	7.98	4.80	5.44	0.60	1.20	0.40	0.30
WH2920-260	6.73	7.98	4.80	5.44	0.60	1.20	0.40	0.30
WH2920-300	6.73	7.98	4.80	5.44	0.60	1.20	0.40	0.30

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Definition

符号 Sign	说明	Definition
Vmax	WHSMD在阻断状态下所承受的最大电压	Maximum voltage device can withstand without damage at it rated current
Imax	WHSMD能承受的最大电流	Maximum fault current device can withstand without damage at rated voltage
Ih	WHSMD在25℃静止空气的的最大工作电流	Hold current-maximum current at which the device will not trip at 25℃ still air
It	WHSMD在25℃静止空气中启动保护的最小电流	Trip current-minimum current at which the device will always trip at still air
Pd	WHSMD在25℃静止空气中动作时消耗的功率	Power dissipation when device is in the tripped state at 25℃ still air environment at rated voltage
Rmin	WHSMD在工作前的初始最小阻值	Minimum device resistance at 25℃ prior to tripping
R1max	WHSMD回流焊后在25℃静止空气中冷却1小时后的最大电阻值	Maximum resistance of device at 25℃ measured one hour post reflow

Test

测试项目	测试方法条件	电阻变化
Test	Conditions	Resistance change
高温老化	85℃，1000小时	典型±10%
Passive aging	+85℃,1000hrs	±10% typical
湿热老化	85℃，相对湿度85%，168小时	典型±10%
Humidity aging	+85℃,85%R.H.,168hrs	±10% typical
热冲击	-40℃到85℃，20次	典型±33%
Thermal shock	+85℃ to -40℃,20 times	±33% typical
耐溶剂性能	MIL-STD-202，方法215	无变化
Resistance to solvent	MIL-STD-202,Method 215	No change
抗震性	MIL-STD-202，方法201	无变化
Vibration	MIL-STD-202,Method 201	No change
工作温度范围：-40℃~+85℃
Ambient operating conditions: -40℃ to ~+85℃
产品保护状态下表面最高温度为125℃
Maximum surface temperature of the device in the tripped state is 125℃

EIA标准载带尺寸图和标准载盆样图

Tape and Reel Specifications (mm)

WHSMD	2920Series	1812Series	1210Series	1206Series	0805Series
Sign	EIA 481-1
W	16.0±0.3	12.0±0.3	8.0±0.2	8.15±0.2	8.0±0.2
P0	4.0±0.10	4.0±0.10	4.0±0.10	4.0±0.10	4.0±0.10
P1	8.0±0.10	8.0±0.10	4.0±0.10	4.0±0.10	4.0±0.10
P2	2.0±0.05	2.0±0.05	2.0±0.05	2.0±0.05	2.0±0.05
A0	5.74±0.10	3.55±0.10	2.82±0.10	1.95±0.10	1.45±0.10
B0	8.02±0.10	5.10±0.15	3.46±0.10	3.45±0.10	2.30±0.10
D0	1.55±0.05	1.55±0.05	1.55±0.05	1.55±0.05	1.60±0.05
F	7.5±0.10	5.5±0.05	3.5±0.05	3.5±0.05	3.5±0.05
E1	1.75±0.10	1.75±0.10	1.75±0.10	1.75±0.10	1.75±0.10
T	0.22±0.05	0.22±0.05	0.22±0.05	0.22±0.05	0.22±0.05
K0	0.87±0.10	0.87±0.10	0.87±0.10	0.87±0.10	0.91±0.10
	1.02±0.10	1.04±0.10	1.02±0.10	1.02±0.10	1.30±0.10
	1.50±0.10	1.50±0.10	1.50±0.10	1.50±0.10
Amax	178	178	178	178	178
Nmin	50	50	50	50	50
W2	16.5±1.0	13.4±1.0	9.0±0.5	9.0±0.5	9.0±0.5
W1max	22.4	19.4	13.1	13.1	13.1

Packing

2920Series	Pcs/Reel	1812Series	Pcs/Reel	1210Series	Pcs/Reel	1206Series	Pcs/Reel	0805Series	Pcs/Reel
2920-030	2000	1812-010	2000	1210-005	4500	1206-005	5000	0805-005	5000
2920-050	2000	1812-014	2000	1210-010	4500	1206-010	5000	0805-010	5000
2920-075	2000	1812-020	2000	1210-020	4500	1206-020	5000	0805-020	5000
2920-100	2000	1812-030	2000	1210-035	4500	1206-025	5000	0805-025	5000
2920-125	2000	1812-050	2000	1210-050	4500	1206-035	5000	0805-035	5000
2920-150	2000	1812-075	2000	1210-075	4500	1206-050	5000	0805-050	5000
2920-185	2000	1812-110	2000	1210-110	4500	1206-075	5000	0805-075	3000
2920-200	2000	1812-125	2000	1210-150	3500	1206-100	3500	0805-100	3000
2920-250	2000	1812-150	2000	1210-200	3000	1206-110	3500	0805-110	3000
2920-260	2000	1812-160	2000	1210-260	3000	1206-150	3000	-	-
2920-300	2000	1812-200	2000	-	-	1206-200	3000	-	-
-	-	1812-260	2000	-	-	1206-260	3000	-	-
-	-	1812-300	1500	-	-	-	-	-	-

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Shenzhen Wondhope Electric Co.,Ltd.
Address:2/F, Bldg 3, Minxing Industrial Zone, Minkang Rd, Minzhi Office, Longhua New Area
Tel：+86.755-29503668 Fax：+86.755-29503998 粤ICP备05046856号-5
E-mail：inquiry@wondhope.com